Merge branch 'master' of github.com:dspiljar/mboxgrep

Sync the examples section, refer to RFC 4155 for the mbox mailbox
format, and add URLs to Gitea and Github.

.gitignore

@@ -1,5 +1,6 @@
 Makefile
 config.h
+config.h.in
 config.log
 config.status
 src/*.o
@@ -10,3 +11,13 @@ src/.deps/
 src/stamp-h1
 aclocal.m4
 autom4te.cache/
+Makefile.in
+configure
+compile
+depcomp
+install-sh
+missing
+src/mboxgrep.exe
+configure~
+.gitignore
+.vscode/*

AUTHORS

@@ -1,5 +0,0 @@
--*- text -*-
-
-mboxgrep is written and maintained by Daniel Spiljar.
-
-$Id: AUTHORS,v 1.3 2005-11-16 01:37:18 dspiljar Exp $

AUTHORS.md

@@ -0,0 +1 @@
+mboxgrep is written and maintained by Daniel Spiljar with contributors.

INSTALL.md

@@ -5,11 +5,15 @@
 Autoconf and Automake are used, and the most basic compilation procedure consists of:
 
 ```
+autoreconf --install
 ./configure
 make
 make install # root rights probably needed here, prefix with sudo in such case
 ```
 
+(Invocation of `autoreconf` is only required if the source tree has been cloned from the
+git repository.)
+
 To see the list of flags accepted by the configure script, run:
 
 ```
@@ -18,5 +22,5 @@ To see the list of flags accepted by the configure script, run:
 
 Optionally, `mboxgrep` can be linked with the following libraries:
 
-- PCRE, to enable support for regular expressions compatible with Perl 5;
+- PCRE2, to enable support for regular expressions compatible with Perl 5;
 - zlib and bzlib, to enable support for compressed mbox folders.

Makefile.am

@@ -1 +1,2 @@
 SUBDIRS = doc src
+EXTRA_DIST = contrib COPYING.md INSTALL.md NEWS.md README.md TODO.md AUTHORS.md

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NEWS.md

@@ -1,11 +1,21 @@
 # Changes of mboxgrep
 
-## Changes since 0.7.10
+## Changes in 0.7.12a
+
+- Fix Automake macros to include the license file and others.
+
+## Changes in 0.7.12
+
+- Port to the pcre2 library (pcre1 is no longer supported).
+- Check command-line options for conflicting matchers and actions.
+- Various minor code cleanups.
+
+## Changes in 0.7.11
 
 - GNU Automake is now utilized instead of manually written Makefile.in files.
 - Code indentation has been corrected and documented (GNU indent is used for this purpose).
 
-## Changes since 0.7.9
+## Changes in 0.7.10
 
 - development has been restarted after a longer hiatus
 - moved the source tree to git
@@ -14,7 +24,7 @@
 - fixed multiple compilation errors and warnings on Linux and FreeBSD
 - started implementing a debug mode
 
-## Changes since 0.7.8
+## Changes in 0.7.9
 
 - implemented support for mbox folders compressed with bzip2 algorithm
 - improved detection of PCRE library; this also fixes a compilation bug
@@ -23,7 +33,7 @@
   folder and temporary directory were on different filesystems;
   thanks to James P. Dugal <jpd AT louisiana.edu> for providing a patch
 
-## Changes since 0.7.7
+## Changes in 0.7.8
 
 - fixed crashes on MH folders, as well as a potential problem with mbox
   and maildir folders with the same cause
@@ -32,46 +42,46 @@
 - mboxgrep can now read gzip compressed mbox folders from standard input
   (which is a side effect of a code cleanup!)
 
-## Changes since 0.7.6a
+## Changes in 0.7.7
 
 - mboxgrep can now read mbox folders from standard input
 
-## Changes since 0.7.6
+## Changes in 0.7.6a
 
 - fixed a bug which prevented mboxgrep from being compiled
 
-## Changes since 0.7.5
+## Changes in 0.7.6
 
 - fixed a bug which caused mboxgrep to coredump on recursive search of 
   maildirs
 - code cleanups
 
-## Changes since 0.7.4
+## Changes in 0.7.5
 
 - recursive search through directories has been reimplemented
 
-## Changes since 0.7.3
+## Changes in 0.7.4
 
 - mboxgrep can now ignore messages with identical bodies
 
-## Changes since 0.7.2
+## Changes in 0.7.3
 
 - file locking method can be selected at runtime
 - mboxgrep used to coredump on messages with empty headers; the problem is 
   now hopefully fixed
 - mboxgrep now compiles on FreeBSD
 
-## Changes since 0.7.1
+## Changes in 0.7.2
 
 - file locking with `flock()` instead of `fcntl()` is now supported
 - mboxgrep should now compile on systems which don't have `getopt_long()`
 - other minor bugfixes
 
-## Changes since 0.7.0
+## Changes in 0.7.1
 
 - bugfixes
 
-## Changes since 0.5.3
+## Changes in 0.7.0
 
 - NOTE: there was no stable version between 0.5.x and 0.7.x
 - mboxgrep is almost completely rewritten
@@ -81,7 +91,7 @@
   command)
 - added support for compressed mbox folders
 
-## Changes since 0.5.2
+## Changes in 0.5.3
 
 - implemented ability to write found messages to another folder (instead
   of standard output)
@@ -89,7 +99,7 @@
   "NEWS")
 - wrote a manual in Texinfo format
 
-## Changes since 0.5.1
+## Changes in 0.5.2
 
 - implemented message counting (`-c, --count`)
 - fixed manual page installation target in src/Makefile.in -- manual page 
@@ -102,17 +112,17 @@
 - implemented recursive search through directories (`-r, --recursive`)
 - config.h[.in] is now wrapped (`#ifndef CONFIG_H` and stuff)
 
-## Changes since 0.5.0
+## Changes in 0.5.1
 
 - added support for qmail-style maildir folders
 
-## Changes since 0.4.0
+## Changes in 0.5.0
 
 - the source of `getopt_long()` is now included, so long options are also available
   on platforms that don't use GNU libc
 - file locking is now performed on mbox folders only
 
-## Changes since 0.2.0
+## Changes in 0.4.0
 
 - added support for MH mailboxes
 - added scope selection switches `-B` (or `--body`) and `-H` (or `--headers`)
@@ -123,12 +133,12 @@
 - the feature of reading from standard input is gone
 - added `-v` (or `--version`) switch
 
-## Changes since 0.1.1
+## Changes in 0.2.0
 
 - mboxgrep now puts a shared lock on a mailbox before reading it
 - various code cleanups
 
-## Changes since 0.1.0
+## Changes in 0.1.1
 
 - fixed install target in Makefile (`install` is now used instead of `cp`)
 - added support for mailboxes generated by Gnus

README.md

@@ -1,7 +1,7 @@
 # mboxgrep - selects e-mail messages matching a pattern
 
 `mboxgrep` is a `grep(1)`-like tool which scans mailboxes and selects
-e-mail messages matching pattern.
+e-mail messages matching a pattern.
 
 Full description of mboxgrep is contained in the documentation,
 which is provided both in manpage and texinfo format, to satisfy

TODO.md

@@ -3,7 +3,7 @@
 ## Behavior
 
 - [x] use cryptographic hashes for detecting duplicate messages
-- [ ] add checking for conflicting command-line options
+- [x] add checking for conflicting command-line options
 - [ ] support for deletion of messages after being matched and displayed
 - [x] ignore .overview when grepping Gnus folders
 - [x] inverted matching
@@ -15,18 +15,21 @@
 - [x] reading messages from standard input
 - [x] run-time selection of file locking method
 - [x] add a debug function
+- [ ] Remove the option to recursively traverse directories and instruct the users to run mboxgrep in conjuction with find(1) instead.
 
 ## File formats, encodings and standards
 
+- [x] migrate to pcre2, as pcre is obsolete
+- [ ] use a more modern hash function than MD5
 - [ ] MIME support
 - [ ] support for GnuPG
 - [x] support for compressed mbox folders
 - [x] support for bzip2 compression
 - [ ] support for XZ-format compression
 - [ ] support for mail folder conversion
-- [ ] use a more modern hash function than MD5
 - [ ] improve error detection when a directory is not a Maildir or MH folder
 - [ ] document criteria for folder format detection
+- [ ] Maildir: check if an atomic rename() fails. This could be caused if "new" and "cur" subdirectories are not on the same filesystem, for example.
 
 ## Miscellaneous
 

compile

@@ -1,348 +0,0 @@
-#! /bin/sh
-# Wrapper for compilers which do not understand '-c -o'.
-
-scriptversion=2018-03-07.03; # UTC
-
-# Copyright (C) 1999-2020 Free Software Foundation, Inc.
-# Written by Tom Tromey <tromey@cygnus.com>.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# This file is maintained in Automake, please report
-# bugs to <bug-automake@gnu.org> or send patches to
-# <automake-patches@gnu.org>.
-
-nl='
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-
-# We need space, tab and new line, in precisely that order.  Quoting is
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-IFS=" ""	$nl"
-
-file_conv=
-
-# func_file_conv build_file lazy
-# Convert a $build file to $host form and store it in $file
-# Currently only supports Windows hosts. If the determined conversion
-# type is listed in (the comma separated) LAZY, no conversion will
-# take place.
-func_file_conv ()
-{
-  file=$1
-  case $file in
-    / | /[!/]*) # absolute file, and not a UNC file
-      if test -z "$file_conv"; then
-	# lazily determine how to convert abs files
-	case `uname -s` in
-	  MINGW*)
-	    file_conv=mingw
-	    ;;
-	  CYGWIN* | MSYS*)
-	    file_conv=cygwin
-	    ;;
-	  *)
-	    file_conv=wine
-	    ;;
-	esac
-      fi
-      case $file_conv/,$2, in
-	*,$file_conv,*)
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-	mingw/*)
-	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
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-	cygwin/* | msys/*)
-	  file=`cygpath -m "$file" || echo "$file"`
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-	wine/*)
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-# Make cl look for libraries in LINKDIR
-func_cl_dashL ()
-{
-  func_file_conv "$1"
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-func_cl_dashl ()
-{
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-      break
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-  IFS=$save_IFS
-
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-    lib=$lib.lib
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-
-# func_cl_wrapper cl arg...
-# Adjust compile command to suit cl
-func_cl_wrapper ()
-{
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-	      func_file_conv "$2"
-	      set x "$@" -Fo"$file"
-	      shift
-	      ;;
-	    *)
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-	      set x "$@" -Fe"$file"
-	      shift
-	      ;;
-	  esac
-	  ;;
-	-I)
-	  eat=1
-	  func_file_conv "$2" mingw
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-	  shift
-	  ;;
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-	  shift
-	  ;;
-	-l)
-	  eat=1
-	  func_cl_dashl "$2"
-	  set x "$@" "$lib"
-	  shift
-	  ;;
-	-l*)
-	  func_cl_dashl "${1#-l}"
-	  set x "$@" "$lib"
-	  shift
-	  ;;
-	-L)
-	  eat=1
-	  func_cl_dashL "$2"
-	  ;;
-	-L*)
-	  func_cl_dashL "${1#-L}"
-	  ;;
-	-static)
-	  shared=false
-	  ;;
-	-Wl,*)
-	  arg=${1#-Wl,}
-	  save_ifs="$IFS"; IFS=','
-	  for flag in $arg; do
-	    IFS="$save_ifs"
-	    linker_opts="$linker_opts $flag"
-	  done
-	  IFS="$save_ifs"
-	  ;;
-	-Xlinker)
-	  eat=1
-	  linker_opts="$linker_opts $2"
-	  ;;
-	-*)
-	  set x "$@" "$1"
-	  shift
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-	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
-	  func_file_conv "$1"
-	  set x "$@" -Tp"$file"
-	  shift
-	  ;;
-	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
-	  func_file_conv "$1" mingw
-	  set x "$@" "$file"
-	  shift
-	  ;;
-	*)
-	  set x "$@" "$1"
-	  shift
-	  ;;
-      esac
-    fi
-    shift
-  done
-  if test -n "$linker_opts"; then
-    linker_opts="-link$linker_opts"
-  fi
-  exec "$@" $linker_opts
-  exit 1
-}
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-  '')
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-     exit 1;
-     ;;
-  -h | --h*)
-    cat <<\EOF
-Usage: compile [--help] [--version] PROGRAM [ARGS]
-
-Wrapper for compilers which do not understand '-c -o'.
-Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
-arguments, and rename the output as expected.
-
-If you are trying to build a whole package this is not the
-right script to run: please start by reading the file 'INSTALL'.
-
-Report bugs to <bug-automake@gnu.org>.
-EOF
-    exit $?
-    ;;
-  -v | --v*)
-    echo "compile $scriptversion"
-    exit $?
-    ;;
-  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe | \
-  icl | *[/\\]icl | icl.exe | *[/\\]icl.exe )
-    func_cl_wrapper "$@"      # Doesn't return...
-    ;;
-esac
-
-ofile=
-cfile=
-
-for arg
-do
-  if test -n "$eat"; then
-    eat=
-  else
-    case $1 in
-      -o)
-	# configure might choose to run compile as 'compile cc -o foo foo.c'.
-	# So we strip '-o arg' only if arg is an object.
-	eat=1
-	case $2 in
-	  *.o | *.obj)
-	    ofile=$2
-	    ;;
-	  *)
-	    set x "$@" -o "$2"
-	    shift
-	    ;;
-	esac
-	;;
-      *.c)
-	cfile=$1
-	set x "$@" "$1"
-	shift
-	;;
-      *)
-	set x "$@" "$1"
-	shift
-	;;
-    esac
-  fi
-  shift
-done
-
-if test -z "$ofile" || test -z "$cfile"; then
-  # If no '-o' option was seen then we might have been invoked from a
-  # pattern rule where we don't need one.  That is ok -- this is a
-  # normal compilation that the losing compiler can handle.  If no
-  # '.c' file was seen then we are probably linking.  That is also
-  # ok.
-  exec "$@"
-fi
-
-# Name of file we expect compiler to create.
-cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
-
-# Create the lock directory.
-# Note: use '[/\\:.-]' here to ensure that we don't use the same name
-# that we are using for the .o file.  Also, base the name on the expected
-# object file name, since that is what matters with a parallel build.
-lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
-while true; do
-  if mkdir "$lockdir" >/dev/null 2>&1; then
-    break
-  fi
-  sleep 1
-done
-# FIXME: race condition here if user kills between mkdir and trap.
-trap "rmdir '$lockdir'; exit 1" 1 2 15
-
-# Run the compile.
-"$@"
-ret=$?
-
-if test -f "$cofile"; then
-  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
-elif test -f "${cofile}bj"; then
-  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
-fi
-
-rmdir "$lockdir"
-exit $ret
-
-# Local Variables:
-# mode: shell-script
-# sh-indentation: 2
-# eval: (add-hook 'before-save-hook 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC0"
-# time-stamp-end: "; # UTC"
-# End:

configure.ac

@@ -18,7 +18,7 @@
 # Process this file with autoconf to produce a configure script.
 
 # Yawn.
-AC_INIT([mboxgrep], [0.7.11], [dspiljar@datatipp.se], [mboxgrep], [https://www.mboxgrep.org/])
+AC_INIT([mboxgrep], [0.7.12a], [dspiljar@datatipp.se], [mboxgrep], [https://www.mboxgrep.org/])
 #AM_INIT_AUTOMAKE
 AM_INIT_AUTOMAKE([foreign])
 AC_LANG([C])
@@ -34,34 +34,35 @@ AC_HEADER_DIRENT
 
 # Checks for libraries.
 
-# Check for PCRE library
+# Check for PCRE2 library
-AC_ARG_WITH(pcre, [  --without-pcre          Compile without Perl regexp support],,
+AC_ARG_WITH(pcre2, [  --without-pcre2          Compile without Perl regexp support],,
 [
-	AC_PATH_PROG(PCRE_CONFIG, pcre-config)
+	AC_PATH_PROG(PCRE2_CONFIG, pcre2-config)
 
-	if test "$PCRE_CONFIG"; then
+	if test "$PCRE2_CONFIG"; then
-	   CFLAGS="$CFLAGS `$PCRE_CONFIG --cflags`"
+	   CFLAGS="$CFLAGS `$PCRE2_CONFIG --cflags`"
-	   LIBS="$LIBS `$PCRE_CONFIG --libs`"
+	   LIBS="$LIBS `$PCRE2_CONFIG --libs32`"
 
 	   AC_LINK_IFELSE(
 	   [
-#include <pcre.h>
+#define PCRE2_CODE_UNIT_WIDTH 32
+#include <pcre2.h>
 
 int main ()
 {
   return 0;
 }
 	   ],
-	   AC_DEFINE(HAVE_LIBPCRE),
+	   AC_DEFINE(HAVE_LIBPCRE2),
 	   [
-		AC_MSG_NOTICE(found pcre-config but could not compile test program.)
+		AC_MSG_NOTICE(found pcre2-config but could not compile test program.)
-		AC_MSG_FAILURE(is PCRE properly installed?)
+		AC_MSG_FAILURE(is PCRE2 properly installed?)
 	   ]
 )
 	else
-	   AC_MSG_NOTICE(pcre-config not found)
+	   AC_MSG_NOTICE(pcre2-config not found)
-	   AC_MSG_NOTICE(trying to find PCRE anyway)
+	   AC_MSG_NOTICE(trying to find PCRE2 anyway)
-	   AC_CHECK_LIB(pcre, main)
+	   AC_CHECK_LIB(pcre2, main)
 	fi
 ]
 )
@@ -92,7 +93,5 @@ AC_CHECK_FUNCS([strptime])
 AC_CHECK_FUNCS(ftw)
 AC_CHECK_FUNCS(fts_open)
 
-AC_CONFIG_FILES([Makefile
+AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile])
-                 doc/Makefile
-                 src/Makefile])
 AC_OUTPUT

depcomp

@@ -1,791 +0,0 @@
-#! /bin/sh
-# depcomp - compile a program generating dependencies as side-effects
-
-scriptversion=2018-03-07.03; # UTC
-
-# Copyright (C) 1999-2020 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>.
-
-case $1 in
-  '')
-    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
-    exit 1;
-    ;;
-  -h | --h*)
-    cat <<\EOF
-Usage: depcomp [--help] [--version] PROGRAM [ARGS]
-
-Run PROGRAMS ARGS to compile a file, generating dependencies
-as side-effects.
-
-Environment variables:
-  depmode     Dependency tracking mode.
-  source      Source file read by 'PROGRAMS ARGS'.
-  object      Object file output by 'PROGRAMS ARGS'.
-  DEPDIR      directory where to store dependencies.
-  depfile     Dependency file to output.
-  tmpdepfile  Temporary file to use when outputting dependencies.
-  libtool     Whether libtool is used (yes/no).
-
-Report bugs to <bug-automake@gnu.org>.
-EOF
-    exit $?
-    ;;
-  -v | --v*)
-    echo "depcomp $scriptversion"
-    exit $?
-    ;;
-esac
-
-# Get the directory component of the given path, and save it in the
-# global variables '$dir'.  Note that this directory component will
-# be either empty or ending with a '/' character.  This is deliberate.
-set_dir_from ()
-{
-  case $1 in
-    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
-      *) dir=;;
-  esac
-}
-
-# Get the suffix-stripped basename of the given path, and save it the
-# global variable '$base'.
-set_base_from ()
-{
-  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
-}
-
-# If no dependency file was actually created by the compiler invocation,
-# we still have to create a dummy depfile, to avoid errors with the
-# Makefile "include basename.Plo" scheme.
-make_dummy_depfile ()
-{
-  echo "#dummy" > "$depfile"
-}
-
-# Factor out some common post-processing of the generated depfile.
-# Requires the auxiliary global variable '$tmpdepfile' to be set.
-aix_post_process_depfile ()
-{
-  # If the compiler actually managed to produce a dependency file,
-  # post-process it.
-  if test -f "$tmpdepfile"; then
-    # Each line is of the form 'foo.o: dependency.h'.
-    # Do two passes, one to just change these to
-    #   $object: dependency.h
-    # and one to simply output
-    #   dependency.h:
-    # which is needed to avoid the deleted-header problem.
-    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
-      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
-    } > "$depfile"
-    rm -f "$tmpdepfile"
-  else
-    make_dummy_depfile
-  fi
-}
-
-# A tabulation character.
-tab='	'
-# A newline character.
-nl='
-'
-# Character ranges might be problematic outside the C locale.
-# These definitions help.
-upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
-lower=abcdefghijklmnopqrstuvwxyz
-digits=0123456789
-alpha=${upper}${lower}
-
-if test -z "$depmode" || test -z "$source" || test -z "$object"; then
-  echo "depcomp: Variables source, object and depmode must be set" 1>&2
-  exit 1
-fi
-
-# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po.
-depfile=${depfile-`echo "$object" |
-  sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`}
-tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
-
-rm -f "$tmpdepfile"
-
-# Avoid interferences from the environment.
-gccflag= dashmflag=
-
-# Some modes work just like other modes, but use different flags.  We
-# parameterize here, but still list the modes in the big case below,
-# to make depend.m4 easier to write.  Note that we *cannot* use a case
-# here, because this file can only contain one case statement.
-if test "$depmode" = hp; then
-  # HP compiler uses -M and no extra arg.
-  gccflag=-M
-  depmode=gcc
-fi
-
-if test "$depmode" = dashXmstdout; then
-  # This is just like dashmstdout with a different argument.
-  dashmflag=-xM
-  depmode=dashmstdout
-fi
-
-cygpath_u="cygpath -u -f -"
-if test "$depmode" = msvcmsys; then
-  # This is just like msvisualcpp but w/o cygpath translation.
-  # Just convert the backslash-escaped backslashes to single forward
-  # slashes to satisfy depend.m4
-  cygpath_u='sed s,\\\\,/,g'
-  depmode=msvisualcpp
-fi
-
-if test "$depmode" = msvc7msys; then
-  # This is just like msvc7 but w/o cygpath translation.
-  # Just convert the backslash-escaped backslashes to single forward
-  # slashes to satisfy depend.m4
-  cygpath_u='sed s,\\\\,/,g'
-  depmode=msvc7
-fi
-
-if test "$depmode" = xlc; then
-  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
-  gccflag=-qmakedep=gcc,-MF
-  depmode=gcc
-fi
-
-case "$depmode" in
-gcc3)
-## gcc 3 implements dependency tracking that does exactly what
-## we want.  Yay!  Note: for some reason libtool 1.4 doesn't like
-## it if -MD -MP comes after the -MF stuff.  Hmm.
-## Unfortunately, FreeBSD c89 acceptance of flags depends upon
-## the command line argument order; so add the flags where they
-## appear in depend2.am.  Note that the slowdown incurred here
-## affects only configure: in makefiles, %FASTDEP% shortcuts this.
-  for arg
-  do
-    case $arg in
-    -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;;
-    *)  set fnord "$@" "$arg" ;;
-    esac
-    shift # fnord
-    shift # $arg
-  done
-  "$@"
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  mv "$tmpdepfile" "$depfile"
-  ;;
-
-gcc)
-## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
-## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
-## (see the conditional assignment to $gccflag above).
-## There are various ways to get dependency output from gcc.  Here's
-## why we pick this rather obscure method:
-## - Don't want to use -MD because we'd like the dependencies to end
-##   up in a subdir.  Having to rename by hand is ugly.
-##   (We might end up doing this anyway to support other compilers.)
-## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-##   -MM, not -M (despite what the docs say).  Also, it might not be
-##   supported by the other compilers which use the 'gcc' depmode.
-## - Using -M directly means running the compiler twice (even worse
-##   than renaming).
-  if test -z "$gccflag"; then
-    gccflag=-MD,
-  fi
-  "$@" -Wp,"$gccflag$tmpdepfile"
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-  echo "$object : \\" > "$depfile"
-  # The second -e expression handles DOS-style file names with drive
-  # letters.
-  sed -e 's/^[^:]*: / /' \
-      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
-## This next piece of magic avoids the "deleted header file" problem.
-## The problem is that when a header file which appears in a .P file
-## is deleted, the dependency causes make to die (because there is
-## typically no way to rebuild the header).  We avoid this by adding
-## dummy dependencies for each header file.  Too bad gcc doesn't do
-## this for us directly.
-## Some versions of gcc put a space before the ':'.  On the theory
-## that the space means something, we add a space to the output as
-## well.  hp depmode also adds that space, but also prefixes the VPATH
-## to the object.  Take care to not repeat it in the output.
-## Some versions of the HPUX 10.20 sed can't process this invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
-  tr ' ' "$nl" < "$tmpdepfile" \
-    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
-    | sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-hp)
-  # This case exists only to let depend.m4 do its work.  It works by
-  # looking at the text of this script.  This case will never be run,
-  # since it is checked for above.
-  exit 1
-  ;;
-
-sgi)
-  if test "$libtool" = yes; then
-    "$@" "-Wp,-MDupdate,$tmpdepfile"
-  else
-    "$@" -MDupdate "$tmpdepfile"
-  fi
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-
-  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
-    echo "$object : \\" > "$depfile"
-    # Clip off the initial element (the dependent).  Don't try to be
-    # clever and replace this with sed code, as IRIX sed won't handle
-    # lines with more than a fixed number of characters (4096 in
-    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
-    # the IRIX cc adds comments like '#:fec' to the end of the
-    # dependency line.
-    tr ' ' "$nl" < "$tmpdepfile" \
-      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \
-      | tr "$nl" ' ' >> "$depfile"
-    echo >> "$depfile"
-    # The second pass generates a dummy entry for each header file.
-    tr ' ' "$nl" < "$tmpdepfile" \
-      | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
-      >> "$depfile"
-  else
-    make_dummy_depfile
-  fi
-  rm -f "$tmpdepfile"
-  ;;
-
-xlc)
-  # This case exists only to let depend.m4 do its work.  It works by
-  # looking at the text of this script.  This case will never be run,
-  # since it is checked for above.
-  exit 1
-  ;;
-
-aix)
-  # The C for AIX Compiler uses -M and outputs the dependencies
-  # in a .u file.  In older versions, this file always lives in the
-  # current directory.  Also, the AIX compiler puts '$object:' at the
-  # start of each line; $object doesn't have directory information.
-  # Version 6 uses the directory in both cases.
-  set_dir_from "$object"
-  set_base_from "$object"
-  if test "$libtool" = yes; then
-    tmpdepfile1=$dir$base.u
-    tmpdepfile2=$base.u
-    tmpdepfile3=$dir.libs/$base.u
-    "$@" -Wc,-M
-  else
-    tmpdepfile1=$dir$base.u
-    tmpdepfile2=$dir$base.u
-    tmpdepfile3=$dir$base.u
-    "$@" -M
-  fi
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-    exit $stat
-  fi
-
-  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-  do
-    test -f "$tmpdepfile" && break
-  done
-  aix_post_process_depfile
-  ;;
-
-tcc)
-  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
-  # FIXME: That version still under development at the moment of writing.
-  #        Make that this statement remains true also for stable, released
-  #        versions.
-  # It will wrap lines (doesn't matter whether long or short) with a
-  # trailing '\', as in:
-  #
-  #   foo.o : \
-  #    foo.c \
-  #    foo.h \
-  #
-  # It will put a trailing '\' even on the last line, and will use leading
-  # spaces rather than leading tabs (at least since its commit 0394caf7
-  # "Emit spaces for -MD").
-  "$@" -MD -MF "$tmpdepfile"
-  stat=$?
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
-  # We have to change lines of the first kind to '$object: \'.
-  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
-  # And for each line of the second kind, we have to emit a 'dep.h:'
-  # dummy dependency, to avoid the deleted-header problem.
-  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-## The order of this option in the case statement is important, since the
-## shell code in configure will try each of these formats in the order
-## listed in this file.  A plain '-MD' option would be understood by many
-## compilers, so we must ensure this comes after the gcc and icc options.
-pgcc)
-  # Portland's C compiler understands '-MD'.
-  # Will always output deps to 'file.d' where file is the root name of the
-  # source file under compilation, even if file resides in a subdirectory.
-  # The object file name does not affect the name of the '.d' file.
-  # pgcc 10.2 will output
-  #    foo.o: sub/foo.c sub/foo.h
-  # and will wrap long lines using '\' :
-  #    foo.o: sub/foo.c ... \
-  #     sub/foo.h ... \
-  #     ...
-  set_dir_from "$object"
-  # Use the source, not the object, to determine the base name, since
-  # that's sadly what pgcc will do too.
-  set_base_from "$source"
-  tmpdepfile=$base.d
-
-  # For projects that build the same source file twice into different object
-  # files, the pgcc approach of using the *source* file root name can cause
-  # problems in parallel builds.  Use a locking strategy to avoid stomping on
-  # the same $tmpdepfile.
-  lockdir=$base.d-lock
-  trap "
-    echo '$0: caught signal, cleaning up...' >&2
-    rmdir '$lockdir'
-    exit 1
-  " 1 2 13 15
-  numtries=100
-  i=$numtries
-  while test $i -gt 0; do
-    # mkdir is a portable test-and-set.
-    if mkdir "$lockdir" 2>/dev/null; then
-      # This process acquired the lock.
-      "$@" -MD
-      stat=$?
-      # Release the lock.
-      rmdir "$lockdir"
-      break
-    else
-      # If the lock is being held by a different process, wait
-      # until the winning process is done or we timeout.
-      while test -d "$lockdir" && test $i -gt 0; do
-        sleep 1
-        i=`expr $i - 1`
-      done
-    fi
-    i=`expr $i - 1`
-  done
-  trap - 1 2 13 15
-  if test $i -le 0; then
-    echo "$0: failed to acquire lock after $numtries attempts" >&2
-    echo "$0: check lockdir '$lockdir'" >&2
-    exit 1
-  fi
-
-  if test $stat -ne 0; then
-    rm -f "$tmpdepfile"
-    exit $stat
-  fi
-  rm -f "$depfile"
-  # Each line is of the form `foo.o: dependent.h',
-  # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
-  # Do two passes, one to just change these to
-  # `$object: dependent.h' and one to simply `dependent.h:'.
-  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
-  # Some versions of the HPUX 10.20 sed can't process this invocation
-  # correctly.  Breaking it into two sed invocations is a workaround.
-  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
-    | sed -e 's/$/ :/' >> "$depfile"
-  rm -f "$tmpdepfile"
-  ;;
-
-hp2)
-  # The "hp" stanza above does not work with aCC (C++) and HP's ia64
-  # compilers, which have integrated preprocessors.  The correct option
-  # to use with these is +Maked; it writes dependencies to a file named
-  # 'foo.d', which lands next to the object file, wherever that
-  # happens to be.
-  # Much of this is similar to the tru64 case; see comments there.
-  set_dir_from  "$object"
-  set_base_from "$object"
-  if test "$libtool" = yes; then
-    tmpdepfile1=$dir$base.d
-    tmpdepfile2=$dir.libs/$base.d
-    "$@" -Wc,+Maked
-  else
-    tmpdepfile1=$dir$base.d
-    tmpdepfile2=$dir$base.d
-    "$@" +Maked
-  fi
-  stat=$?
-  if test $stat -ne 0; then
-     rm -f "$tmpdepfile1" "$tmpdepfile2"
-     exit $stat
-  fi
-
-  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2"
-  do
-    test -f "$tmpdepfile" && break
-  done
-  if test -f "$tmpdepfile"; then
-    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
-    # Add 'dependent.h:' lines.
-    sed -ne '2,${
-               s/^ *//
-               s/ \\*$//
-               s/$/:/
-               p
-             }' "$tmpdepfile" >> "$depfile"
-  else
-    make_dummy_depfile
-  fi
-  rm -f "$tmpdepfile" "$tmpdepfile2"
-  ;;
-
-tru64)
-  # The Tru64 compiler uses -MD to generate dependencies as a side
-  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
-  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
-  # dependencies in 'foo.d' instead, so we check for that too.
-  # Subdirectories are respected.
-  set_dir_from  "$object"
-  set_base_from "$object"
-
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doc/mboxgrep.1

@@ -1,4 +1,4 @@
-.TH MBOXGREP 1 "24 Mar 2023"
+.TH MBOXGREP 1 "23 September 2024"
 .SH NAME
 mboxgrep \- displays email messages matching a pattern
 .SH SYNOPSIS
@@ -10,7 +10,7 @@ mboxgrep \- displays email messages matching a pattern
 This manual page refers to
 .B mboxgrep
 version
-.BR 0.7.11 .
+.BR 0.7.12a .
 .PP
 .B mboxgrep
 scans a
@@ -72,8 +72,8 @@ Do not lock files.  This option is meaningful only if a mbox folder (see below)
 is scanned.
 .IP "-c, --count"
 Suppress normal output and print a count of matching messages.
-.IP "-o, --output=FOLDER"
+.IP "-o, --output=MAILBOX"
-Suppress normal output and write messages to destination folder FOLDER instead.
+Suppress normal output and write messages to destination MAILBOX instead.
 .IP "-p, --pipe=COMMAND"
 Pipe each found message to COMMAND
 .IP "-d, --delete"
@@ -97,10 +97,26 @@ Search $MAIL for messages from Dirty Harry:
 mboxgrep '^From:.*callahan@sanfranciscopolice\\.org' $MAIL
 .TP
 \(bu
+Re-mail to George messages that mention his name:
+.PP
+mboxgrep --pipe="/usr/lib/sendmail george" --ignore-case george ~/Mail/*
+.TP
+\(bu
 Display all messages contained in folder ~/Mail/incoming, except those
 that appear to originate from AOL:
 .PP
 mboxgrep -v 'Received:.*aol\\.com' ~/Mail/incoming
+.TP
+\(bu
+Do a case-insensitive scan of ~/Mail/incoming for messages with subject
+``Weekly News'' and write them to folder ~/Mail/archive:
+.PP
+mboxgrep -o ~/Mail/archive -H -i '^Subject: Weekly News' ~/Mail/incoming
+.TP
+\(bu
+Count all messages stored in folder spam, ignoring duplicates:
+.PP
+mboxgrep -nd -c . spam
 .SH BUGS
 Report them to address below.
 .SH SEE ALSO
@@ -108,7 +124,8 @@ grep(1),
 regex(7),
 perlre(1),
 mbox(5),
-RFC 2822
+RFC 2822,
+RFC 4155
 .SH DEDICATION
 Mboxgrep is dedicated in loving memory of Vicky, my cat who died of
 tumor on Sep 12, 2002.  
@@ -116,7 +133,11 @@ tumor on Sep 12, 2002.
 You haven't been long with us, but you gave us a lot of joy and all your
 big heart that stopped ticking too early.  I will never forget you.  Sleep
 well, little friend.
-.SH URL
+.SH HOMEPAGE
-http://www.mboxgrep.org/
+https://www.mboxgrep.org/
+.SH GIT
+https://git.datatipp.se/dspiljar/mboxgrep
+.PP
+https://github.com/dspiljar/mboxgrep
 .SH AUTHOR
-Daniel Spiljar <dspiljar AT datatipp.se>
+Daniel Spiljar <dspiljar@datatipp.se>

doc/mboxgrep.info

@@ -1,4 +1,4 @@
-This is mboxgrep.info, produced by makeinfo version 6.7 from
+This is mboxgrep.info, produced by makeinfo version 6.8 from
 mboxgrep.texi.
 
 INFO-DIR-SECTION Mail
@@ -9,10 +9,10 @@ END-INFO-DIR-ENTRY
 
 File: mboxgrep.info,  Node: Top,  Up: (dir)
 
-This file documents 'mboxgrep' (version 0.7.11), a mailbox scanning
+This file documents 'mboxgrep' (version 0.7.12a), a mailbox scanning
 utility.
 
-   Copyright (C) 2000, 2001, 2002, 2003 Daniel Spiljar
+   Copyright (C) 2000 - 2003, 2024 Daniel Spiljar
 
 * Menu:
 
@@ -151,10 +151,10 @@ options below change such behavior.
 '-nd'
      Ignore duplicate messages.
 
-'--output=FOLDER'
+'--output=MAILBOX'
-'-o FOLDER'
+'-o MAILBOX'
-     Suppress normal output and write messages to destination folder
+     Suppress normal output and write messages to destination MAILBOX
-     FOLDER instead.
+     instead.
 
      Note that 'mboxgrep' assumes the output folder is of the same
      format as the input folder.  Currently there is no possibility to
@@ -250,17 +250,17 @@ Sleep well, little friend.
 
 Tag Table:
 Node: Top197
-Node: Introduction596
+Node: Introduction592
-Node: Invoking1465
+Node: Invoking1461
-Node: Miscellaneous1827
+Node: Miscellaneous1823
-Node: File locking2112
+Node: File locking2108
-Node: Regexp selection2749
+Node: Regexp selection2745
-Node: Output control3301
+Node: Output control3297
-Node: Search scope selection4345
+Node: Search scope selection4337
-Node: Mailbox type selection4586
+Node: Mailbox type selection4578
-Node: Examples4907
+Node: Examples4899
-Node: Bugs5731
+Node: Bugs5723
-Node: To Vicky6149
+Node: To Vicky6141
 
 End Tag Table
 

doc/mboxgrep.texi

@@ -5,8 +5,8 @@
 @setchapternewpage odd
 
 @set EDITION 0.7
-@set VERSION 0.7.11
+@set VERSION 0.7.12a
-@set UPDATED 24 Mar 2023
+@set UPDATED 23 September 2024
 
 @dircategory Mail
 @direntry
@@ -19,7 +19,7 @@
 This file documents @code{mboxgrep} (version @value{VERSION}), a
 mailbox scanning utility.
 
-Copyright (C) 2000, 2001, 2002, 2003 Daniel Spiljar
+Copyright (C) 2000 - 2003, 2024 Daniel Spiljar
 @end ifinfo
 
 @menu
@@ -171,10 +171,9 @@ Use with extreme caution.
 @itemx -nd
 Ignore duplicate messages.
 
-@item --output=FOLDER
+@item --output=MAILBOX
-@itemx -o FOLDER
+@itemx -o MAILBOX
-Suppress normal output and write messages to destination folder FOLDER
+Suppress normal output and write messages to destination MAILBOX instead.
-instead. 
 
 Note that @code{mboxgrep} assumes the output folder is of the same format 
 as the input folder.  Currently there is no possibility to convert folders.

install-sh

@@ -1,251 +0,0 @@
-#!/bin/sh
-#
-# install - install a program, script, or datafile
-# This comes from X11R5 (mit/util/scripts/install.sh).
-#
-# Copyright 1991 by the Massachusetts Institute of Technology
-#
-# Permission to use, copy, modify, distribute, and sell this software and its
-# documentation for any purpose is hereby granted without fee, provided that
-# the above copyright notice appear in all copies and that both that
-# copyright notice and this permission notice appear in supporting
-# documentation, and that the name of M.I.T. not be used in advertising or
-# publicity pertaining to distribution of the software without specific,
-# written prior permission.  M.I.T. makes no representations about the
-# suitability of this software for any purpose.  It is provided "as is"
-# without express or implied warranty.
-#
-# Calling this script install-sh is preferred over install.sh, to prevent
-# `make' implicit rules from creating a file called install from it
-# when there is no Makefile.
-#
-# This script is compatible with the BSD install script, but was written
-# from scratch.  It can only install one file at a time, a restriction
-# shared with many OS's install programs.
-
-
-# set DOITPROG to echo to test this script
-
-# Don't use :- since 4.3BSD and earlier shells don't like it.
-doit="${DOITPROG-}"
-
-
-# put in absolute paths if you don't have them in your path; or use env. vars.
-
-mvprog="${MVPROG-mv}"
-cpprog="${CPPROG-cp}"
-chmodprog="${CHMODPROG-chmod}"
-chownprog="${CHOWNPROG-chown}"
-chgrpprog="${CHGRPPROG-chgrp}"
-stripprog="${STRIPPROG-strip}"
-rmprog="${RMPROG-rm}"
-mkdirprog="${MKDIRPROG-mkdir}"
-
-transformbasename=""
-transform_arg=""
-instcmd="$mvprog"
-chmodcmd="$chmodprog 0755"
-chowncmd=""
-chgrpcmd=""
-stripcmd=""
-rmcmd="$rmprog -f"
-mvcmd="$mvprog"
-src=""
-dst=""
-dir_arg=""
-
-while [ x"$1" != x ]; do
-    case $1 in
-	-c) instcmd="$cpprog"
-	    shift
-	    continue;;
-
-	-d) dir_arg=true
-	    shift
-	    continue;;
-
-	-m) chmodcmd="$chmodprog $2"
-	    shift
-	    shift
-	    continue;;
-
-	-o) chowncmd="$chownprog $2"
-	    shift
-	    shift
-	    continue;;
-
-	-g) chgrpcmd="$chgrpprog $2"
-	    shift
-	    shift
-	    continue;;
-
-	-s) stripcmd="$stripprog"
-	    shift
-	    continue;;
-
-	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
-	    shift
-	    continue;;
-
-	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
-	    shift
-	    continue;;
-
-	*)  if [ x"$src" = x ]
-	    then
-		src=$1
-	    else
-		# this colon is to work around a 386BSD /bin/sh bug
-		:
-		dst=$1
-	    fi
-	    shift
-	    continue;;
-    esac
-done
-
-if [ x"$src" = x ]
-then
-	echo "install:	no input file specified"
-	exit 1
-else
-	true
-fi
-
-if [ x"$dir_arg" != x ]; then
-	dst=$src
-	src=""
-	
-	if [ -d $dst ]; then
-		instcmd=:
-		chmodcmd=""
-	else
-		instcmd=mkdir
-	fi
-else
-
-# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
-# might cause directories to be created, which would be especially bad 
-# if $src (and thus $dsttmp) contains '*'.
-
-	if [ -f $src -o -d $src ]
-	then
-		true
-	else
-		echo "install:  $src does not exist"
-		exit 1
-	fi
-	
-	if [ x"$dst" = x ]
-	then
-		echo "install:	no destination specified"
-		exit 1
-	else
-		true
-	fi
-
-# If destination is a directory, append the input filename; if your system
-# does not like double slashes in filenames, you may need to add some logic
-
-	if [ -d $dst ]
-	then
-		dst="$dst"/`basename $src`
-	else
-		true
-	fi
-fi
-
-## this sed command emulates the dirname command
-dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
-
-# Make sure that the destination directory exists.
-#  this part is taken from Noah Friedman's mkinstalldirs script
-
-# Skip lots of stat calls in the usual case.
-if [ ! -d "$dstdir" ]; then
-defaultIFS='	
-'
-IFS="${IFS-${defaultIFS}}"
-
-oIFS="${IFS}"
-# Some sh's can't handle IFS=/ for some reason.
-IFS='%'
-set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
-IFS="${oIFS}"
-
-pathcomp=''
-
-while [ $# -ne 0 ] ; do
-	pathcomp="${pathcomp}${1}"
-	shift
-
-	if [ ! -d "${pathcomp}" ] ;
-        then
-		$mkdirprog "${pathcomp}"
-	else
-		true
-	fi
-
-	pathcomp="${pathcomp}/"
-done
-fi
-
-if [ x"$dir_arg" != x ]
-then
-	$doit $instcmd $dst &&
-
-	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
-	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
-	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
-	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
-else
-
-# If we're going to rename the final executable, determine the name now.
-
-	if [ x"$transformarg" = x ] 
-	then
-		dstfile=`basename $dst`
-	else
-		dstfile=`basename $dst $transformbasename | 
-			sed $transformarg`$transformbasename
-	fi
-
-# don't allow the sed command to completely eliminate the filename
-
-	if [ x"$dstfile" = x ] 
-	then
-		dstfile=`basename $dst`
-	else
-		true
-	fi
-
-# Make a temp file name in the proper directory.
-
-	dsttmp=$dstdir/#inst.$$#
-
-# Move or copy the file name to the temp name
-
-	$doit $instcmd $src $dsttmp &&
-
-	trap "rm -f ${dsttmp}" 0 &&
-
-# and set any options; do chmod last to preserve setuid bits
-
-# If any of these fail, we abort the whole thing.  If we want to
-# ignore errors from any of these, just make sure not to ignore
-# errors from the above "$doit $instcmd $src $dsttmp" command.
-
-	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
-	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
-	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
-	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
-
-# Now rename the file to the real destination.
-
-	$doit $rmcmd -f $dstdir/$dstfile &&
-	$doit $mvcmd $dsttmp $dstdir/$dstfile 
-
-fi &&
-
-
-exit 0

missing

@@ -1,215 +0,0 @@
-#! /bin/sh
-# Common wrapper for a few potentially missing GNU programs.
-
-scriptversion=2018-03-07.03; # UTC
-
-# Copyright (C) 1996-2020 Free Software Foundation, Inc.
-# Originally written by Fran,cois Pinard <pinard@iro.umontreal.ca>, 1996.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-if test $# -eq 0; then
-  echo 1>&2 "Try '$0 --help' for more information"
-  exit 1
-fi
-
-case $1 in
-
-  --is-lightweight)
-    # Used by our autoconf macros to check whether the available missing
-    # script is modern enough.
-    exit 0
-    ;;
-
-  --run)
-    # Back-compat with the calling convention used by older automake.
-    shift
-    ;;
-
-  -h|--h|--he|--hel|--help)
-    echo "\
-$0 [OPTION]... PROGRAM [ARGUMENT]...
-
-Run 'PROGRAM [ARGUMENT]...', returning a proper advice when this fails due
-to PROGRAM being missing or too old.
-
-Options:
-  -h, --help      display this help and exit
-  -v, --version   output version information and exit
-
-Supported PROGRAM values:
-  aclocal   autoconf  autoheader   autom4te  automake  makeinfo
-  bison     yacc      flex         lex       help2man
-
-Version suffixes to PROGRAM as well as the prefixes 'gnu-', 'gnu', and
-'g' are ignored when checking the name.
-
-Send bug reports to <bug-automake@gnu.org>."
-    exit $?
-    ;;
-
-  -v|--v|--ve|--ver|--vers|--versi|--versio|--version)
-    echo "missing $scriptversion (GNU Automake)"
-    exit $?
-    ;;
-
-  -*)
-    echo 1>&2 "$0: unknown '$1' option"
-    echo 1>&2 "Try '$0 --help' for more information"
-    exit 1
-    ;;
-
-esac
-
-# Run the given program, remember its exit status.
-"$@"; st=$?
-
-# If it succeeded, we are done.
-test $st -eq 0 && exit 0
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-# Also exit now if we it failed (or wasn't found), and '--version' was
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-# program is present and works.
-case $2 in --version|--help) exit $st;; esac
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-# Exit code 63 means version mismatch.  This often happens when the user
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-# minimum version.
-if test $st -eq 63; then
-  msg="probably too old"
-elif test $st -eq 127; then
-  # Program was missing.
-  msg="missing on your system"
-else
-  # Program was found and executed, but failed.  Give up.
-  exit $st
-fi
-
-perl_URL=https://www.perl.org/
-flex_URL=https://github.com/westes/flex
-gnu_software_URL=https://www.gnu.org/software
-
-program_details ()
-{
-  case $1 in
-    aclocal|automake)
-      echo "The '$1' program is part of the GNU Automake package:"
-      echo "<$gnu_software_URL/automake>"
-      echo "It also requires GNU Autoconf, GNU m4 and Perl in order to run:"
-      echo "<$gnu_software_URL/autoconf>"
-      echo "<$gnu_software_URL/m4/>"
-      echo "<$perl_URL>"
-      ;;
-    autoconf|autom4te|autoheader)
-      echo "The '$1' program is part of the GNU Autoconf package:"
-      echo "<$gnu_software_URL/autoconf/>"
-      echo "It also requires GNU m4 and Perl in order to run:"
-      echo "<$gnu_software_URL/m4/>"
-      echo "<$perl_URL>"
-      ;;
-  esac
-}
-
-give_advice ()
-{
-  # Normalize program name to check for.
-  normalized_program=`echo "$1" | sed '
-    s/^gnu-//; t
-    s/^gnu//; t
-    s/^g//; t'`
-
-  printf '%s\n' "'$1' is $msg."
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-  configure_deps="'configure.ac' or m4 files included by 'configure.ac'"
-  case $normalized_program in
-    autoconf*)
-      echo "You should only need it if you modified 'configure.ac',"
-      echo "or m4 files included by it."
-      program_details 'autoconf'
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-      echo "You should only need it if you modified 'acconfig.h' or"
-      echo "$configure_deps."
-      program_details 'autoheader'
-      ;;
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-      echo "You should only need it if you modified 'Makefile.am' or"
-      echo "$configure_deps."
-      program_details 'automake'
-      ;;
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-      echo "You should only need it if you modified 'acinclude.m4' or"
-      echo "$configure_deps."
-      program_details 'aclocal'
-      ;;
-   autom4te*)
-      echo "You might have modified some maintainer files that require"
-      echo "the 'autom4te' program to be rebuilt."
-      program_details 'autom4te'
-      ;;
-    bison*|yacc*)
-      echo "You should only need it if you modified a '.y' file."
-      echo "You may want to install the GNU Bison package:"
-      echo "<$gnu_software_URL/bison/>"
-      ;;
-    lex*|flex*)
-      echo "You should only need it if you modified a '.l' file."
-      echo "You may want to install the Fast Lexical Analyzer package:"
-      echo "<$flex_URL>"
-      ;;
-    help2man*)
-      echo "You should only need it if you modified a dependency" \
-           "of a man page."
-      echo "You may want to install the GNU Help2man package:"
-      echo "<$gnu_software_URL/help2man/>"
-    ;;
-    makeinfo*)
-      echo "You should only need it if you modified a '.texi' file, or"
-      echo "any other file indirectly affecting the aspect of the manual."
-      echo "You might want to install the Texinfo package:"
-      echo "<$gnu_software_URL/texinfo/>"
-      echo "The spurious makeinfo call might also be the consequence of"
-      echo "using a buggy 'make' (AIX, DU, IRIX), in which case you might"
-      echo "want to install GNU make:"
-      echo "<$gnu_software_URL/make/>"
-      ;;
-    *)
-      echo "You might have modified some files without having the proper"
-      echo "tools for further handling them.  Check the 'README' file, it"
-      echo "often tells you about the needed prerequisites for installing"
-      echo "this package.  You may also peek at any GNU archive site, in"
-      echo "case some other package contains this missing '$1' program."
-      ;;
-  esac
-}
-
-give_advice "$1" | sed -e '1s/^/WARNING: /' \
-                       -e '2,$s/^/         /' >&2
-
-# Propagate the correct exit status (expected to be 127 for a program
-# not found, 63 for a program that failed due to version mismatch).
-exit $st
-
-# Local variables:
-# eval: (add-hook 'before-save-hook 'time-stamp)
-# time-stamp-start: "scriptversion="
-# time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC0"
-# time-stamp-end: "; # UTC"
-# End:

src/Makefile.am

@@ -1,4 +1,6 @@
 bin_PROGRAMS = mboxgrep
-mboxgrep_SOURCES = getopt1.c getopt.c info.c maildir.c main.c mbox.c md5.c mh.c misc.c re.c scan.c wrap.c
+mboxgrep_SOURCES = info.c info.h maildir.c maildir.h main.c mbox.c mbox.h \
-mboxgrep_LDADD = $(LIBOBJS)
+									 mboxgrep.h md5.c md5.h message.h misc.c misc.h mh.c mh.h \
+									 getopt.c getopt1.c getopt.h re.c re.h scan.c scan.h wrap.c wrap.h
 
+mboxgrep_LDADD = $(LIBOBJS)

src/Makefile.in

@@ -1,631 +0,0 @@
-# Makefile.in generated by automake 1.16.3 from Makefile.am.
-# @configure_input@
-
-# Copyright (C) 1994-2020 Free Software Foundation, Inc.
-
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-VPATH = @srcdir@
-am__is_gnu_make = { \
-  if test -z '$(MAKELEVEL)'; then \
-    false; \
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-    true; \
-  else \
-    false; \
-  fi; \
-}
-am__make_running_with_option = \
-  case $${target_option-} in \
-      ?) ;; \
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-pkgdatadir = $(datadir)/@PACKAGE@
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-NORMAL_UNINSTALL = :
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-am__aclocal_m4_deps = $(top_srcdir)/configure.ac
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-ps: ps-am
-
-ps-am:
-
-uninstall-am: uninstall-binPROGRAMS
-
-.MAKE: all install-am install-strip
-
-.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
-	clean-binPROGRAMS clean-generic cscopelist-am ctags ctags-am \
-	distclean distclean-compile distclean-generic distclean-hdr \
-	distclean-tags distdir dvi dvi-am html html-am info info-am \
-	install install-am install-binPROGRAMS install-data \
-	install-data-am install-dvi install-dvi-am install-exec \
-	install-exec-am install-html install-html-am install-info \
-	install-info-am install-man install-pdf install-pdf-am \
-	install-ps install-ps-am install-strip installcheck \
-	installcheck-am installdirs maintainer-clean \
-	maintainer-clean-generic mostlyclean mostlyclean-compile \
-	mostlyclean-generic pdf pdf-am ps ps-am tags tags-am uninstall \
-	uninstall-am uninstall-binPROGRAMS
-
-.PRECIOUS: Makefile
-
-
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:

src/config.h.in

@@ -1,76 +0,0 @@
-/* src/config.h.in.  Generated from configure.ac by autoheader.  */
-
-/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
-   */
-#undef HAVE_DIRENT_H
-
-/* Define to 1 if you have the `fcntl' function. */
-#undef HAVE_FCNTL
-
-/* Define to 1 if you have the `flock' function. */
-#undef HAVE_FLOCK
-
-/* Define to 1 if you have the `fts_open' function. */
-#undef HAVE_FTS_OPEN
-
-/* Define to 1 if you have the `ftw' function. */
-#undef HAVE_FTW
-
-/* Define to 1 if you have the `bz2' library (-lbz2). */
-#undef HAVE_LIBBZ2
-
-/* Define to 1 if you have the `dmalloc' library (-ldmalloc). */
-#undef HAVE_LIBDMALLOC
-
-/* Define to 1 if you have the `garfield' library (-lgarfield). */
-#undef HAVE_LIBGARFIELD
-
-/* Define to 1 if you have the `pcre' library (-lpcre). */
-#undef HAVE_LIBPCRE
-
-/* Define to 1 if you have the `z' library (-lz). */
-#undef HAVE_LIBZ
-
-/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
-#undef HAVE_NDIR_H
-
-/* Define to 1 if you have the `regcomp' function. */
-#undef HAVE_REGCOMP
-
-/* Define to 1 if you have the `strptime' function. */
-#undef HAVE_STRPTIME
-
-/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
-   */
-#undef HAVE_SYS_DIR_H
-
-/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
-   */
-#undef HAVE_SYS_NDIR_H
-
-/* Name of package */
-#undef PACKAGE
-
-/* Define to the address where bug reports for this package should be sent. */
-#undef PACKAGE_BUGREPORT
-
-/* Define to the full name of this package. */
-#undef PACKAGE_NAME
-
-/* Define to the full name and version of this package. */
-#undef PACKAGE_STRING
-
-/* Define to the one symbol short name of this package. */
-#undef PACKAGE_TARNAME
-
-/* Define to the home page for this package. */
-#undef PACKAGE_URL
-
-/* Define to the version of this package. */
-#undef PACKAGE_VERSION
-
-/* Define to 1 if you have the ANSI C header files. */
-#undef STDC_HEADERS
-
-/* Version number of package */
-#undef VERSION

src/info.c

@@ -22,19 +22,22 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "mboxgrep.h"
 
 
 void
-print_wrap (char *str, int len, int *n)
+print_wrap (char *str)
 {
-  *n += len;
+  static int n = 0;
+
+  n += strlen (str);
   fprintf (stdout, "%s", str);
-  if (*n >= 50)
+  if (n >= 50)
     {
       fprintf (stdout, "\n");
-      *n = 0;
+      n = 0;
     }
   else
     fprintf (stdout, " ");
@@ -43,8 +46,6 @@ print_wrap (char *str, int len, int *n)
 void
 version (void)
 {
-  int n = 0;
-
   fprintf (stdout, "%s %s\n\n"
            "Copyright (C) 2000 - 2004, 2006, 2010, 2023  Daniel Spiljar\n"
            "This program is free software; you can redistribute it and/or "
@@ -54,51 +55,51 @@ version (void)
            APPNAME, VERSION);
   fprintf (stdout, "Compilation options:\n");
 #ifdef HAVE_DIRENT_H
-  print_wrap ("HAVE_DIRENT_H", 13, &n);
+  print_wrap ("HAVE_DIRENT_H");
 #endif /* HAVE_DIRENT_H */
 #ifdef HAVE_FCNTL
-  print_wrap ("HAVE_FCNTL", 10, &n);
+  print_wrap ("HAVE_FCNTL");
 #endif /* HAVE_FCNTL */
 #ifdef HAVE_FLOCK
-  print_wrap ("HAVE_FLOCK", 10, &n);
+  print_wrap ("HAVE_FLOCK");
 #endif /* HAVE_FLOCK */
 #ifdef HAVE_FTS_OPEN
-  print_wrap ("HAVE_FTS_OPEN", 13, &n);
+  print_wrap ("HAVE_FTS_OPEN");
 #else
 #  ifdef HAVE_FTW
-  print_wrap ("HAVE_FTW", 8, &n);
+  print_wrap ("HAVE_FTW");
 #  endif
        /* HAVE_FTW */
 #endif /* HAVE_FTS_OPEN */
 /*
   fprintf (stdout, "HAVE_LIBLOCKFILE ");
 */
-#ifdef HAVE_LIBPCRE
+#ifdef HAVE_LIBPCRE2
-  print_wrap ("HAVE_LIBPCRE", 12, &n);
+  print_wrap ("HAVE_LIBPCRE2");
-#endif /* HAVE_LIBPCRE */
+#endif /* HAVE_LIBPCRE2 */
 #ifdef HAVE_LIBZ
-  print_wrap ("HAVE_LIBZ", 9, &n);
+  print_wrap ("HAVE_LIBZ");
 #endif /* HAVE_LIBZ */
 #ifdef HAVE_LIBBZ2
-  print_wrap ("HAVE_LIBBZ2", 11, &n);
+  print_wrap ("HAVE_LIBBZ2");
 #endif /* HAVE_LIBBZ2 */
 #ifdef HAVE_NDIR_H
-  print_wrap ("HAVE_NDIR_H", 11, &n);
+  print_wrap ("HAVE_NDIR_H");
 #endif /* HAVE_NDIR_H */
 #ifdef HAVE_SYS_DIR_H
-  print_wrap ("HAVE_SYS_DIR_H", 14, &n);
+  print_wrap ("HAVE_SYS_DIR_H");
 #endif /* HAVE_SYS_DIR_H */
 #ifdef HAVE_SYS_NDIR_H
-  print_wrap ("HAVE_SYS_NDIR_H", 15, &n);
+  print_wrap ("HAVE_SYS_NDIR_H");
 #endif /* HAVE_SYS_NDIR_H */
 #ifdef HAVE_STRPTIME
-  print_wrap ("HAVE_STRPTIME", 15, &n);
+  print_wrap ("HAVE_STRPTIME");
 #endif /* HAVE_STRPTIME */
 #ifdef HAVE_REGCOMP
-  print_wrap ("HAVE_REGCOMP", 15, &n);
+  print_wrap ("HAVE_REGCOMP");
 #endif /* HAVE_REGCOMP */
 #ifdef HAVE_LIBDMALLOC
-  print_wrap ("HAVE_LIBDMALLOC", 15, &n);
+  print_wrap ("HAVE_LIBDMALLOC");
 #endif /* HAVE_LIBDMALLOC */
   fprintf (stdout, "\n");
 
@@ -127,10 +128,10 @@ help (void)
            "Matching criteria:\n\n"
            "  -E,  --extended-regexp\tPATTERN is an extended regular expression\n"
            "  -G,  --basic-regexp\t\tPATTERN is a basic regular expression\n");
-#ifdef HAVE_LIBPCRE
+#ifdef HAVE_LIBPCRE2
   fprintf (stdout,
            "  -P,  --perl-regexp\t\tPATTERN is a Perl regular expression\n");
-#endif /* HAVE_LIBPCRE */
+#endif /* HAVE_LIBPCRE2 */
   fprintf (stdout,
            "  -e,  --regexp=PATTERN\t\tUse PATTERN as a regular expression\n"
            "  -i,  --ignore-case\t\tIgnore case distinctions\n"

src/info.h

@@ -20,7 +20,7 @@
 #ifndef INFO_H
 #  define INFO_H
 
-void print_wrap (char *str, int len, int *n);
+void print_wrap (char *str);
 void version (void);
 void help (void);
 void usage (void);

src/main.c

@@ -1,6 +1,6 @@
 /*
   mboxgrep - scan mailbox for messages matching a regular expression
-  Copyright (C) 2000 - 2004, 2006, 2023  Daniel Spiljar
+  Copyright (C) 2000 - 2004, 2006, 2023 - 2024  Daniel Spiljar
 
   Mboxgrep is free software; you can redistribute it and/or modify it 
   under the terms of the GNU General Public License as published by
@@ -24,7 +24,6 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <stdlib.h>
-#include <unistd.h>
 #ifdef HAVE_LIBZ
 #  include <zlib.h>
 #endif /* HAVE_LIBZ */
@@ -81,21 +80,11 @@ main (int argc, char **argv)
     {0, 0, 0, 0}
   };
 
-  set_default_options ();
+  init_options ();
 
-  get_runtime_options (&argc, argv, long_options);
+  get_options (&argc, argv, long_options);
 
-  if ((config.body == 0) && (config.headers == 0))
+  check_options ();
-    {
-      config.body = 1;
-      config.headers = 1;
-    }
-
-  if (config.format == MAILDIR && config.action == WRITE)
-    {
-      gethostname (config.hostname, HOST_NAME_SIZE);
-      config.pid = (int) getpid ();
-    }
 
   runtime.cs = (checksum_t *) xmalloc (sizeof (checksum_t));
   runtime.cs->md5 = (char **) xcalloc (1, sizeof (char **));
@@ -110,11 +99,11 @@ main (int argc, char **argv)
 
   if (config.haveregex)
     {
-#ifdef HAVE_LIBPCRE
+#ifdef HAVE_LIBPCRE2
-      if (config.perl)
+      if (config.regextype == REGEX_PERL)
         pcre_init ();
       else
-#endif /* HAVE_LIBPCRE */
+#endif /* HAVE_LIBPCRE2 */
         regex_init ();
     }
   else
@@ -125,10 +114,10 @@ main (int argc, char **argv)
 
   while (optind < argc)
     {
-      if (config.action == DELETE)
+      if (config.action == ACTION_DELETE)
         {
           tmpmbox_create (argv[optind]);
-          runtime.tmp_mbox = (mbox_t *) mbox_open (config.tmpfilename, "w");
+          runtime.tmp_mbox = (mbox_t *) mbox_open (config.tmpfilename, w);
         }
 
       config.boxname = xstrdup (argv[optind]);
@@ -140,7 +129,7 @@ main (int argc, char **argv)
 
       havemailbox = 1;
 
-      if (config.action == COUNT)
+      if (config.action == ACTION_COUNT)
         {
           if (singlefile)
             fprintf (stdout, "%i\n", runtime.count);
@@ -152,19 +141,20 @@ main (int argc, char **argv)
                 fprintf (stdout, "%s:%i\n", argv[optind], runtime.count);
             }
         }
-      if (config.action == DELETE)
+      if (config.action == ACTION_DELETE)
         {
           mbox_close (runtime.tmp_mbox);
           rename (config.tmpfilename, argv[optind]);
         }
+
       ++optind;
     }
 
   if (!havemailbox)
     {
-      config.format = MBOX;
+      config.format = FORMAT_MBOX;
       scan_mailbox ("-");
-      if (config.action == COUNT)
+      if (config.action == ACTION_COUNT)
         fprintf (stdout, "%i\n", runtime.count);
     }
 

src/mbox.c

@@ -1,6 +1,6 @@
 /*
    mboxgrep - scan mailbox for messages matching a regular expression
-   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2006  Daniel Spiljar
+   Copyright (C) 2000 - 2004, 2006, 2023 - 2024  Daniel Spiljar
 
    Mboxgrep is free software; you can redistribute it and/or modify it 
    under the terms of the GNU General Public License as published by
@@ -50,180 +50,61 @@
 #endif /* HAVE_LIBDMALLOC */
 
 mbox_t *
-mbox_open (const char *path, const char *mode)
+mbox_open (const char *path, const mbox_mode_t mbox_mode)
 {
   mbox_t *mp;
   static int fd;
 #ifndef HAVE_FLOCK
   struct flock lck;
 #endif /* HAVE_FLOCK */
-  char buffer[BUFSIZ];
 
   mp = (mbox_t *) xmalloc (sizeof (mbox_t));
-  mp->postmark_cache = (char *) xmalloc (BUFSIZ * sizeof (char));
+  mp->postmark_cache = NULL;
 
   if (0 == strcmp ("-", path))
     mp->fp = stdin;
   else
     {
-      if (mode[0] == 'r')
+      if (mbox_mode == w)
-        fd = m_open (path, O_RDONLY, 0);
-      else if (mode[0] == 'w')
         fd = m_open (path, (O_WRONLY | O_CREAT | O_APPEND),
                      (S_IWUSR | S_IRUSR));
       else
-        {
+        fd = m_open (path, O_RDONLY, 0);
-          fprintf (stderr, "%s: mbox.c: Unknown mode %c.  You shouldn't "
-                   "get this error...", APPNAME, mode[0]);
-          exit (2);
-        }
 
       if (fd == -1)
         {
-          if (config.merr)
-            {
-              fprintf (stderr, "%s: %s: ", APPNAME, path);
-              perror (NULL);
-            }
           errno = 0;
           return NULL;
         }
 
-      if (config.lock)
+      if (config.lock > LOCK_NONE)
-        {
+        mbox_lock (fd, path, mbox_mode);
-#ifdef HAVE_FLOCK
-          int op;
 
-          if (mode[0] == 'r')
+      mp->fp = mbox_fdopen (fd, path, mbox_mode);
-            op = LOCK_SH;
-          else
-            op = LOCK_EX;
-          if (-1 == flock (fd, op))
-#else
-          memset (&lck, 0, sizeof (struct flock));
-          lck.l_whence = SEEK_SET;
-          if (mode[0] == 'r')
-            lck.l_type = F_RDLCK;
-          else
-            lck.l_type = F_WRLCK;
-
-          if (-1 == fcntl (fd, F_SETLK, &lck))
-#endif /* HAVE_FLOCK */
-            {
-              if (config.merr)
-                {
-                  fprintf (stderr, "%s: %s: ", APPNAME, path);
-                  perror (NULL);
     }
-              errno = 0;
+
-              close (fd);
+  if (mbox_mode == r)
+    {
+      mp->postmark_cache = mbox_check_postmark (mp, path);
+
+      if (! mp->postmark_cache)
         return NULL;
     }
-        }
 
-      if (mode[0] == 'r')
-        {
-          if (config.format == MBOX)
-            mp->fp = (FILE *) m_fdopen (fd, "r");
-#ifdef HAVE_LIBZ
-          else if (config.format == ZMBOX)
-            mp->fp = (gzFile *) m_gzdopen (fd, "rb");
-#endif /* HAVE_LIBZ */
-#ifdef HAVE_LIBBZ2
-          else if (config.format == BZ2MBOX)
-            mp->fp = (BZFILE *) BZ2_bzdopen (fd, "rb");
-#endif /* HAVE_LIBBZ2 */
-        }
-      else if (mode[0] == 'w')
-        {
-          if (config.format == MBOX)
-            mp->fp = (FILE *) m_fdopen (fd, "w");
-#ifdef HAVE_LIBZ
-          else if (config.format == ZMBOX)
-            mp->fp = (gzFile *) m_gzdopen (fd, "wb");
-#endif /* HAVE_LIBZ */
-#ifdef HAVE_LIBBZ2
-          else if (config.format == BZ2MBOX)
-            mp->fp = (BZFILE *) BZ2_bzdopen (fd, "wb");
-#endif /* HAVE_LIBBZ2 */
-        }
-
-      if (mp->fp == NULL)
-        {
-          if (config.merr)
-            {
-              fprintf (stderr, "%s: %s: ", APPNAME, path);
-              perror (NULL);
-            }
-          errno = 0;
-          close (fd);
-          return NULL;
-        }
-    }
-
-  if (mode[0] == 'r')
-    {
-      if (config.format == MBOX)
-        fgets (buffer, BUFSIZ, mp->fp);
-#ifdef HAVE_LIBZ
-      else if (config.format == ZMBOX)
-        gzgets (mp->fp, buffer, BUFSIZ);
-#endif /* HAVE_LIBZ */
-#ifdef HAVE_LIBBZ2
-      else if (config.format == BZ2MBOX)
-        {
-          char c[1] = "\0";
-          int n = 0;
-
-          while (c[0] != '\n' && n < BUFSIZ)
-            {
-              BZ2_bzread (mp->fp, c, 1);
-              buffer[n] = c[0];
-              n++;
-            }
-          buffer[n] = '\0';
-        }
-#endif /* HAVE_LIBBZ2 */
-
-      if (0 != strncmp ("From ", buffer, 5))
-        {
-          if (config.merr)
-            {
-              if (0 == strcmp ("-", path))
-                fprintf (stderr, "%s: (standard input): Not a mbox folder\n",
-                         APPNAME);
-              else
-                fprintf (stderr, "%s: %s: Not a mbox folder\n", APPNAME,
-                         path);
-            }
-          if (config.format == MBOX)
-            fclose (mp->fp);
-#ifdef HAVE_LIBZ
-          else if (config.format == ZMBOX)
-            gzclose (mp->fp);
-#endif /* HAVE_LIBZ */
-#ifdef HAVE_LIBBZ2
-          else if (config.format == BZ2MBOX)
-            BZ2_bzclose (mp->fp);
-#endif /* HAVE_LIBBZ2 */
-          return NULL;
-        }
-      strcpy (mp->postmark_cache, buffer);
-    }
   return mp;
 }
 
 void
 mbox_close (mbox_t * mp)
 {
-  if (config.format == MBOX)
+  if (config.format == FORMAT_MBOX)
     fclose (mp->fp);
 #ifdef HAVE_LIBZ
-  else if (config.format == ZMBOX)
+  else if (config.format == FORMAT_ZMBOX)
     gzclose (mp->fp);
 #endif /* HAVE_LIBZ */
 #ifdef HAVE_LIBBZ2
-  else if (config.format == BZ2MBOX)
+  else if (config.format == FORMAT_BZ2MBOX)
     BZ2_bzclose (mp->fp);
 #endif /* HAVE_LIBBZ2 */
 
@@ -249,7 +130,7 @@ mbox_read_message (mbox_t * mp)
 
   for (;;)
     {
-      if (config.format == MBOX)
+      if (config.format == FORMAT_MBOX)
         {
           if (fgets (buffer, BUFSIZ, mp->fp) == NULL)
             {
@@ -261,7 +142,7 @@ mbox_read_message (mbox_t * mp)
         }
 
 #ifdef HAVE_LIBZ
-      else if (config.format == ZMBOX)
+      else if (config.format == FORMAT_ZMBOX)
         {
           if (gzgets (mp->fp, buffer, BUFSIZ) == NULL)
             {
@@ -274,7 +155,7 @@ mbox_read_message (mbox_t * mp)
 #endif /* HAVE_LIBZ */
 
 #ifdef HAVE_LIBBZ2
-      else if (config.format == BZ2MBOX)
+      else if (config.format == FORMAT_BZ2MBOX)
         {
           char c[1] = "\0";
           int n = 0;
@@ -370,10 +251,10 @@ tmpfile_name (const char *path)
 void
 mbox_write_message (message_t * msg, mbox_t * mbox)
 {
-  if (config.format == MBOX)
+  if (config.format == FORMAT_MBOX)
     fprintf (mbox->fp, "%s\n%s", msg->headers, msg->body);
 #ifdef HAVE_LIBZ
-  else if (config.format == ZMBOX)
+  else if (config.format == FORMAT_ZMBOX)
     {
       gzwrite_loop (mbox->fp, msg->headers);
       gzwrite (mbox->fp, "\n", 1);
@@ -381,7 +262,7 @@ mbox_write_message (message_t * msg, mbox_t * mbox)
     }
 #endif /* HAVE_LIBZ */
 #ifdef HAVE_LIBBZ2
-  else if (config.format == BZ2MBOX)
+  else if (config.format == FORMAT_BZ2MBOX)
     {
       bzwrite_loop (mbox->fp, msg->headers);
       BZ2_bzwrite (mbox->fp, "\n", 1);
@@ -431,3 +312,127 @@ tmpfile_create (void)
     }
   return fd;
 }
+
+void
+mbox_lock (int fd, const char *path, const mbox_mode_t mbox_mode)
+{
+#ifdef HAVE_FLOCK
+  int op;
+
+  if (mbox_mode == r)
+    op = LOCK_SH;
+  else
+    op = LOCK_EX;
+  if (-1 == flock (fd, op))
+#else
+  memset (&lck, 0, sizeof (struct flock));
+  lck.l_whence = SEEK_SET;
+  if (mode[0] == 'r')
+    lck.l_type = F_RDLCK;
+  else
+    lck.l_type = F_WRLCK;
+
+  if (-1 == fcntl (fd, F_SETLK, &lck))
+#endif /* HAVE_FLOCK */
+    {
+      if (config.merr)
+        {
+          fprintf (stderr, "%s: %s: ", APPNAME, path);
+          perror (NULL);
+          exit (2);
+        }
+    }
+}
+
+void *
+mbox_fdopen (int fd, const char *path, const mbox_mode_t mbox_mode)
+{
+  void *f;
+  char *file_mode;
+
+  if (mbox_mode == w)
+    file_mode = xstrdup("wb");
+  else
+    file_mode = xstrdup("rb");
+
+  if (config.format == FORMAT_MBOX)
+    f = (FILE *) m_fdopen (fd, file_mode);
+#ifdef HAVE_LIBZ
+  else if (config.format == FORMAT_ZMBOX)
+    f = (gzFile *) m_gzdopen (fd, file_mode);
+#endif /* HAVE_LIBZ */
+#ifdef HAVE_LIBBZ2
+  else if (config.format == FORMAT_BZ2MBOX)
+    f = (BZFILE *) BZ2_bzdopen (fd, file_mode);
+#endif /* HAVE_LIBBZ2 */
+
+  if (f == NULL)
+    {
+      if (config.merr)
+        {
+          fprintf (stderr, "%s: %s: ", APPNAME, path);
+          perror (NULL);
+        }
+      errno = 0;
+      close (fd);
+      return NULL;
+    }
+
+  return f;
+}
+
+char *
+mbox_check_postmark(mbox_t *mp, const char *path)
+{
+  char *buffer;
+
+  buffer = (char *) xmalloc (BUFSIZ * sizeof (char));
+  memset (buffer, 0, BUFSIZ);
+
+  if (config.format == FORMAT_MBOX)
+    fgets (buffer, BUFSIZ, mp->fp);
+#ifdef HAVE_LIBZ
+  else if (config.format == FORMAT_ZMBOX)
+    gzgets (mp->fp, buffer, BUFSIZ);
+#endif /* HAVE_LIBZ */
+#ifdef HAVE_LIBBZ2
+  else if (config.format == FORMAT_BZ2MBOX)
+    {
+      char c[1] = "\0";
+      int n = 0;
+
+      while (c[0] != '\n' && n < BUFSIZ)
+        {
+          BZ2_bzread (mp->fp, c, 1);
+          buffer[n] = c[0];
+          n++;
+        }
+      buffer[n] = '\0';
+    }
+#endif /* HAVE_LIBBZ2 */
+
+  if (0 != strncmp ("From ", buffer, 5))
+    {
+      if ((config.merr) && (buffer[0] != '\0'))
+        {
+          if (0 == strcmp ("-", path))
+            fprintf (stderr, "%s: (standard input): Not an mbox folder\n",
+                     APPNAME);
+          else
+            fprintf (stderr, "%s: %s: Not an mbox folder\n", APPNAME,
+                     path);
+        }
+      if (config.format == FORMAT_MBOX)
+        fclose (mp->fp);
+#ifdef HAVE_LIBZ
+      else if (config.format == FORMAT_ZMBOX)
+        gzclose (mp->fp);
+#endif /* HAVE_LIBZ */
+#ifdef HAVE_LIBBZ2
+      else if (config.format == FORMAT_BZ2MBOX)
+        BZ2_bzclose (mp->fp);
+#endif /* HAVE_LIBBZ2 */
+      return NULL;
+    }
+  return buffer;
+}

src/mbox.h

@@ -1,6 +1,6 @@
 /*
    mboxgrep - scan mailbox for messages matching a regular expression
-   Copyright (C) 2000 - 2004, 2023  Daniel Spiljar
+   Copyright (C) 2000 - 2004, 2023 - 2024 Daniel Spiljar
    
    Mboxgrep is free software; you can redistribute it and/or modify it 
    under the terms of the GNU General Public License as published by
@@ -19,9 +19,7 @@
 
 #ifndef MBOX_H
 #  define MBOX_H 1
-
 #  include <config.h>
-
 #  include "message.h"
 
 typedef struct
@@ -31,8 +29,14 @@ typedef struct
   char *postmark_cache;
 } mbox_t;
 
+typedef enum
+{
+  r,
+  w,
+} mbox_mode_t;
 
-mbox_t *mbox_open (const char *path, const char *mode);
+
+mbox_t *mbox_open (const char *path, const mbox_mode_t mbox_mode);
 void tmpmbox_create (const char *path);
 void tmpfile_name (const char *path);
 void tmpfile_mod_own (const int fd, const char *path);
@@ -40,5 +44,8 @@ int tmpfile_create (void);
 void mbox_close (mbox_t * mbp);
 message_t *mbox_read_message (mbox_t * mp);
 void mbox_write_message (message_t * m, mbox_t * mbox);
+void mbox_lock (int fd, const char *path, const mbox_mode_t mbox_mode);
+void *mbox_fdopen (int fd, const char *path, const mbox_mode_t mbox_mode);
+char *mbox_check_postmark(mbox_t *mp, const char *path);
 
 #endif /* MBOX_H */

src/mboxgrep.h

@@ -21,7 +21,7 @@
 #define MBOXGREP_H
 
 #define APPNAME "mboxgrep"
-#define VERSION "0.7.11"
+#define VERSION "0.7.12a"
 #define BUGREPORT_ADDR "dspiljar AT datatipp.se"
 
 #define HOST_NAME_SIZE 256
@@ -46,34 +46,46 @@
 
 typedef enum
   {
-    MBOX,
+    FORMAT_UNDEF,
-    ZMBOX,
+    FORMAT_MBOX,
-    MH,
+    FORMAT_ZMBOX,
-    NNML,
+    FORMAT_MH,
-    NNMH,
+    FORMAT_NNML,
-    MAILDIR,
+    FORMAT_NNMH,
-    BZ2MBOX
+    FORMAT_MAILDIR,
+    FORMAT_BZ2MBOX
   }
 format_t;
 
 typedef enum
   {
-    NONE,
+    LOCK_UNDEF,
-    FCNTL,
+    LOCK_NONE,
-    FLOCK
+    LOCK_FCNTL,
+    LOCK_FLOCK
   }
 lockmethod_t;
 
 typedef enum
   {
-    DISPLAY,
+    ACTION_UNDEF,
-    WRITE,
+    ACTION_DISPLAY,
-    COUNT,
+    ACTION_WRITE,
-    DELETE,
+    ACTION_COUNT,
-    PIPE
+    ACTION_DELETE,
+    ACTION_PIPE
   }
 action_t;
 
+typedef enum
+  {
+    REGEX_UNDEF,
+    REGEX_BASIC,
+    REGEX_EXTENDED,
+    REGEX_PERL
+  }
+regextype_t;
+
 typedef struct
 {
   FILE *fp;
@@ -93,9 +105,6 @@ checksum_t;
 
 typedef struct
 {
-  int extended;
-  int perl;
-  
   int body;
   int headers;
   int dedup;
@@ -111,12 +120,13 @@ typedef struct
   char hostname[HOST_NAME_SIZE];
   char *boxname, *outboxname, *pipecmd, *tmpfilename, *regex_s;
 
-  void *pcre_pattern, *pcre_hints, *posix_pattern;
+  void *pcre_pattern, *posix_pattern, *match_data;
   int res1, res2;
 
   action_t action;
   format_t format;
   lockmethod_t lock;
+  regextype_t regextype;
 }
 option_t;
 

src/mh.c

@@ -1,6 +1,6 @@
 /* -*- C -*- 
   mboxgrep - scan mailbox for messages matching a regular expression
-  Copyright (C) 2000, 2001, 2002, 2003, 2006  Daniel Spiljar
+  Copyright (C) 2000, 2001, 2002, 2003, 2006, 2023  Daniel Spiljar
 
   Mboxgrep is free software; you can redistribute it and/or modify it 
   under the terms of the GNU General Public License as published by
@@ -129,7 +129,7 @@ mh_read_message (DIR * dp)
 
       fgets (buffer, BUFSIZ, fp);
 
-/*       if (config.format == NNML || config.format == NNMH) */
+/*       if (config.format == FORMAT_NNML || config.format == FORMAT_NNMH) */
 /* 	{ */
 /* 	  if (0 != strncmp ("X-From-Line: ", buffer, 13)) */
 /* 	    { */

src/misc.c

@@ -18,7 +18,7 @@
 */
 
 #define _XOPEN_SOURCE           /* Pull in strptime(3) from time.h */
-#define _BSD_SOURCE             /* Compensate for _XOPEN_SOURCE to pull in strdup(3)
+#define _DEFAULT_SOURCE         /* Compensate for _XOPEN_SOURCE to pull in strdup(3)
                                  * from string.h. */
 
 #include <config.h>
@@ -28,62 +28,76 @@
 #include <errno.h>
 #include <stdlib.h>
 #include <time.h>
+#include <unistd.h>
 
 #include "mboxgrep.h"
+#include "misc.h"
 #include "wrap.h"
 #include "getopt.h"
 #include "info.h"
 #include "message.h"
 
-format_t
+/* Determine the folder format passed to -m. */
-folder_format (const char *name)
+
+void
+set_folder_format (const char *name)
 {
-  format_t f;
+  if (config.format > 0)
+    {
+      if (config.merr)
+        fprintf (stderr, "%s: multiple mailbox types specified\n", APPNAME);
+      exit (2);
+    }
 
   if (0 == strncasecmp (name, "mbox", 4))
-    f = MBOX;
+    config.format = FORMAT_MBOX;
   else if (0 == strncasecmp (name, "zmbox", 5))
-    f = ZMBOX;
+    config.format = FORMAT_ZMBOX;
   else if (0 == strncasecmp (name, "gzmbox", 6))
-    f = ZMBOX;
+    config.format = FORMAT_ZMBOX;
   else if (0 == strncasecmp (name, "bzmbox", 5))
-    f = BZ2MBOX;
+    config.format = FORMAT_BZ2MBOX;
   else if (0 == strncasecmp (name, "bz2mbox", 5))
-    f = BZ2MBOX;
+    config.format = FORMAT_BZ2MBOX;
   else if (0 == strncasecmp (name, "mh", 2))
-    f = MH;
+    config.format = FORMAT_MH;
   else if (0 == strncasecmp (name, "nnml", 4))
-    f = NNML;
+    config.format = FORMAT_NNML;
   else if (0 == strncasecmp (name, "nnmh", 4))
-    f = NNMH;
+    config.format = FORMAT_NNMH;
   else if (0 == strncasecmp (name, "maildir", 7))
-    f = MAILDIR;
+    config.format = FORMAT_MAILDIR;
   else
     {
       if (config.merr)
         fprintf (stderr, "%s: %s: unknown folder type\n", APPNAME, name);
       exit (2);
     }
-
-  return f;
 }
 
-lockmethod_t
+/* Determine the file locking method passed to -l. */
-lock_method (const char *name)
+
+void
+set_lock_method (const char *name)
 {
-  lockmethod_t l;
+  if (config.lock > 0)
+    {
+      if (config.merr)
+        fprintf (stderr, "%s: conflicting file locking options specified\n", APPNAME);
+      exit (2);
+    }
 
   if (0 == strncasecmp (name, "none", 4))
-    l = NONE;
+    config.lock = LOCK_NONE;
   else if (0 == strncasecmp (name, "off", 3))
-    l = NONE;
+    config.lock = LOCK_NONE;
 #ifdef HAVE_FCNTL
   else if (0 == strncasecmp (name, "fcntl", 5))
-    l = FCNTL;
+    config.lock = LOCK_FCNTL;
 #endif /* HAVE_FCNTL */
 #ifdef HAVE_FLOCK
   else if (0 == strncasecmp (name, "flock", 5))
-    l = FLOCK;
+    config.lock = LOCK_FLOCK;
 #endif /* HAVE_FLOCK */
   else
     {
@@ -91,10 +105,10 @@ lock_method (const char *name)
         fprintf (stderr, "mboxgrep: %s: unknown file locking method\n", name);
       exit (2);
     }
-
-  return l;
 }
 
+/* Dead code */
+
 /*
 time_t parse_date(char *datestr)
 {
@@ -170,26 +184,29 @@ postmark_print (message_t * msg)
     fprintf (stdout, "From nobody  %s\n", date_str);
 }
 
+/* Initialize the option_t struct. */
+
 void
-set_default_options (void)
+init_options (void)
 {
-  config.perl = 0;
+  config.regextype = REGEX_UNDEF;
-  config.extended = 1;
   config.invert = 0;
   config.headers = 0;
   config.body = 0;
-  config.action = DISPLAY;
+  config.action = ACTION_UNDEF;
   config.dedup = 0;
   config.recursive = 0;
   config.ignorecase = 0;
-  config.format = MBOX;         /* default mailbox format */
+  config.format = FORMAT_UNDEF;
-  config.lock = FCNTL;          /* default file locking method */
+  config.lock = LOCK_UNDEF;     /* default file locking method */
   config.merr = 1;              /* report errors by default */
   config.debug = 0;
 }
 
+/* Parse command-line arguments and assign values to option_t. */
+
 void
-get_runtime_options (int *argc, char **argv, struct option *long_options)
+get_options (int *argc, char **argv, struct option *long_options)
 {
   int option_index = 0, c;
 
@@ -206,35 +223,26 @@ get_runtime_options (int *argc, char **argv, struct option *long_options)
         case '?':
           usage ();
         case 'c':
-          config.action = COUNT;
+          set_option_action (ACTION_COUNT, NULL);
           break;
         case 'd':
-          config.action = DELETE;
+          set_option_action (ACTION_DELETE, NULL);
           break;
         case 'e':
           config.regex_s = xstrdup (optarg);
           config.haveregex = 1;
           break;
         case 'o':
-          config.outboxname = xstrdup (optarg);
+          set_option_action (ACTION_WRITE, optarg);
-          config.action = WRITE;
           break;
         case 'E':
-          config.extended = 1;
+          set_option_regextype (REGEX_EXTENDED);
           break;
         case 'G':
-          config.extended = 0;
+          set_option_regextype (REGEX_BASIC);
           break;
         case 'P':
-#ifdef HAVE_LIBPCRE
+          set_option_regextype (REGEX_PERL);
-          config.extended = 0;
-          config.perl = 1;
-#else
-          fprintf (stderr,
-                   "%s: Support for Perl regular expressions not "
-                   "compiled in\n", APPNAME);
-          exit (2);
-#endif /* HAVE_LIBPCRE */
           break;
         case 'h':
           help ();
@@ -243,14 +251,13 @@ get_runtime_options (int *argc, char **argv, struct option *long_options)
           config.ignorecase = 1;
           break;
         case 'm':
-          config.format = folder_format (optarg);
+          set_folder_format (optarg);
           break;
         case 'l':
-          config.lock = lock_method (optarg);
+          set_lock_method (optarg);
           break;
         case 'p':
-          config.action = PIPE;
+          set_option_action (ACTION_PIPE, optarg);
-          config.pipecmd = xstrdup (optarg);
           break;
         case 'V':
           version ();
@@ -289,7 +296,7 @@ get_runtime_options (int *argc, char **argv, struct option *long_options)
                 config.dedup = 1;
                 break;
               case 'l':
-                config.lock = 0;
+                set_lock_method ("none");
                 break;
               default:
                 fprintf (stderr, "%s: invalid option -- n%c\n",
@@ -300,3 +307,80 @@ get_runtime_options (int *argc, char **argv, struct option *long_options)
         }                       /* switch */
     }                           /* while */
 }
+
+/* Check the state of command-line options after parsing them.
+ * Raise error on conflicting options and set uninitialized ones to default values.
+ */
+
+void
+check_options (void)
+{
+  gethostname (config.hostname, HOST_NAME_SIZE);
+  config.pid = (int) getpid ();
+
+  if (config.action == ACTION_UNDEF)
+    {
+      config.action = ACTION_DISPLAY;
+    }
+
+  if (config.format == FORMAT_UNDEF)
+    {
+      config.format = FORMAT_MBOX;  /* default mailbox format */
+    }
+
+  if (config.regextype == REGEX_UNDEF)
+    {
+      config.regextype = REGEX_EXTENDED;  /* default regex type */
+    }
+
+  if ((config.body == 0) && (config.headers == 0))
+    {
+      config.body = 1;
+      config.headers = 1;
+    }
+}
+
+void
+set_option_action (action_t action, char *path)
+{
+  if (config.action > 0)
+    {
+      if (config.merr)
+        fprintf (stderr, "%s: conflicting actions specified\n", APPNAME);
+      exit (2);
+    }
+
+  config.action = action;
+
+  if (action == ACTION_WRITE)
+    {
+      config.outboxname = xstrdup (path);
+    }
+
+  if (action == ACTION_PIPE)
+    {
+      config.pipecmd = xstrdup (optarg);
+    }
+}
+
+void
+set_option_regextype (regextype_t regextype)
+{
+  if (config.regextype > 0)
+    {
+      if (config.merr)
+        fprintf (stderr, "%s: conflicting matchers specified\n", APPNAME);
+      exit (2);
+    }
+
+#ifndef HAVE_LIBPCRE2
+  if (regextype == REGEX_PERL);
+    {
+      fprintf (stderr,
+              "%s: Support for Perl regular expressions not compiled in\n",
+              APPNAME);
+      exit (2);
+    }
+#endif /* HAVE_LIBPCRE2 */
+  config.regextype = regextype;
+}

src/misc.h

@@ -25,14 +25,17 @@
 #  include "message.h"
 /* #include <time.h> */
 
-format_t folder_format (const char *name);
+void set_folder_format (const char *name);
-lockmethod_t lock_method (const char *name);
+void set_lock_method (const char *name);
 /* time_t parse_date(char *datestr); */
 char *parse_return_path (char *rpath);
 void *allocate_message (void);
 void postmark_print (message_t * msg);
-void set_default_options (void);
+void init_options (void);
-void get_runtime_options (int *argc, char **argv,
+void get_options (int *argc, char **argv,
                           struct option *long_options);
+void check_options (void);
+void set_option_action (action_t action, char *path);
+void set_option_regextype (regextype_t regextype);
 
 #endif /* MISC_H */

src/re.c

@@ -21,52 +21,58 @@
 #include <stdio.h>
 #include <string.h>
 #include <regex.h>
-#ifdef HAVE_LIBPCRE
+#ifdef HAVE_LIBPCRE2
-#  include <pcre.h>
+#  define PCRE2_CODE_UNIT_WIDTH 32
-#endif /* HAVE_LIBPCRE */
+#  include <pcre2.h>
+#endif /* HAVE_LIBPCRE2 */
 #include "mboxgrep.h"
 #include "message.h"
 #include "wrap.h"               /* xcalloc() et cetera */
 
-#ifdef HAVE_LIBPCRE
+#ifdef HAVE_LIBPCRE2
 void
 pcre_init (void)
 {
-  int errptr;
+  int errornumber;
-  const char *error;
+  PCRE2_SIZE erroroffset;
 
   config.pcre_pattern =
-    (pcre *) pcre_compile (config.regex_s,
+    (pcre2_code *) pcre2_compile ((PCRE2_SPTR) config.regex_s, (PCRE2_SIZE) strlen (config.regex_s),
-                           (config.ignorecase ? PCRE_CASELESS : 0),
+                                  (config.ignorecase ? PCRE2_CASELESS : 0),
-                           &error, &errptr, NULL);
+                                  &errornumber, &erroroffset, NULL);
   if (config.pcre_pattern == NULL)
     {
       if (config.merr)
-        fprintf (stderr, "%s: %s: %s\n", APPNAME, config.regex_s, error);
+        {
+          PCRE2_UCHAR buffer[256];
+
+          pcre2_get_error_message (errornumber, buffer, sizeof(buffer));
+          fprintf (stderr, "%s: PCRE2 compilation failed at offset %d: %s\n",
+              APPNAME, (int) erroroffset, (char *) buffer);
+        }
       exit (2);
     }
+
+  config.match_data =
+    (pcre2_match_data* ) pcre2_match_data_create_from_pattern (config.pcre_pattern, NULL);
 }
 
 void
 pcre_match (message_t * msg)
 {
-  int of[BUFSIZ];
-
   if (config.headers)
     config.res1 =
-      pcre_exec ((pcre *) config.pcre_pattern,
+      pcre2_match ((pcre2_code *) config.pcre_pattern,
-                 (pcre_extra *) config.pcre_hints,
+                   (PCRE2_SPTR) msg->headers, (int) strlen (msg->headers), 0, 0, config.match_data, NULL);
-                 msg->headers, (int) strlen (msg->headers), 0, 0, of, BUFSIZ);
   if (config.body)
     config.res2 =
-      pcre_exec ((pcre *) config.pcre_pattern,
+      pcre2_match ((pcre2_code *) config.pcre_pattern,
-                 (pcre_extra *) config.pcre_hints,
+                   (PCRE2_SPTR) msg->body, (int) strlen (msg->body), 0, 0, config.match_data, NULL);
-                 msg->body, (int) strlen (msg->body), 0, 0, of, BUFSIZ);
 
   config.res1 = config.res1 ^ 1;
   config.res2 = config.res2 ^ 1;
 }
-#endif /* HAVE_LIBPCRE */
+#endif /* HAVE_LIBPCRE2 */
 
 void
 regex_init (void)
@@ -77,7 +83,7 @@ regex_init (void)
 
   if (config.ignorecase)
     flag1 = REG_ICASE;
-  if (config.extended)
+  if (config.regextype == REGEX_EXTENDED)
     flag2 = REG_EXTENDED;
 
   config.posix_pattern = (regex_t *) xmalloc (sizeof (regex_t));

src/re.h

@@ -19,9 +19,9 @@
 
 #include "mboxgrep.h"
 
-#ifdef HAVE_LIBPCRE
+#ifdef HAVE_LIBPCRE2
 void pcre_init (void);
 void pcre_match (message_t * msg);
-#endif /* HAVE_LIBPCRE */
+#endif /* HAVE_LIBPCRE2 */
 void regex_init (void);
 void regex_match (message_t * msg);

src/scan.c

@@ -1,6 +1,6 @@
 /*
    mboxgrep - scan mailbox for messages matching a regular expression
-   Copyright (C) 2000 - 2004, 2006, 2023  Daniel Spiljar
+   Copyright (C) 2000 - 2004, 2006, 2023 - 2024  Daniel Spiljar
    
    Mboxgrep is free software; you can redistribute it and/or modify it 
    under the terms of the GNU General Public License as published by
@@ -83,7 +83,7 @@ scan_mailbox (char path[])
   int delete = 0;
   int isdup = 0;
 
-  if (config.format == MAILDIR && config.action == WRITE)
+  if (config.format == FORMAT_MAILDIR && config.action == ACTION_WRITE)
     {
       foo = opendir (config.outboxname);        /* do NOT change this to m_opendir! */
       if (foo == NULL && errno == ENOENT)
@@ -101,24 +101,24 @@ scan_mailbox (char path[])
     }
 
   runtime.count = 0;
-  if (config.action == DELETE)
+  if (config.action == ACTION_DELETE)
     delete = 1;
 
-  if ((config.format == MBOX) || (config.format == ZMBOX)
+  if ((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
-      || (config.format == BZ2MBOX))
+      || (config.format == FORMAT_BZ2MBOX))
     {
-      mbox = (mbox_t *) mbox_open (path, "r");
+      mbox = (mbox_t *) mbox_open (path, r);
       if (mbox == NULL)
         return;
     }
-  else if ((config.format == MH) || (config.format == NNMH)
+  else if ((config.format == FORMAT_MH) || (config.format == FORMAT_NNMH)
-           || (config.format == NNML))
+           || (config.format == FORMAT_NNML))
     {
       boxd = mh_open (path);
       if (boxd == NULL)
         return;
     }
-  else if (config.format == MAILDIR)
+  else if (config.format == FORMAT_MAILDIR)
     {
       maildird = maildir_open (path);
 
@@ -131,13 +131,13 @@ scan_mailbox (char path[])
       config.res1 = 1;
       config.res2 = 1;
 
-      if ((config.format == MBOX) || (config.format == ZMBOX)
+      if ((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
-          || (config.format == BZ2MBOX))
+          || (config.format == FORMAT_BZ2MBOX))
         msg = (message_t *) mbox_read_message (mbox);
-      else if ((config.format == MH) || (config.format == NNMH)
+      else if ((config.format == FORMAT_MH) || (config.format == FORMAT_NNMH)
-               || (config.format == NNML))
+               || (config.format == FORMAT_NNML))
         msg = (message_t *) mh_read_message (boxd);
-      else if (config.format == MAILDIR)
+      else if (config.format == FORMAT_MAILDIR)
         msg = (message_t *) maildir_read_message (maildird);
 
       if (msg == NULL)
@@ -146,11 +146,11 @@ scan_mailbox (char path[])
       if (msg->from == NULL)
         msg->from = (char *) xstrdup ("nobody");
 
-#ifdef HAVE_LIBPCRE
+#ifdef HAVE_LIBPCRE2
-      if (config.perl)
+      if (config.regextype == REGEX_PERL)
         pcre_match (msg);
       else
-#endif /* HAVE_LIBPCRE */
+#endif /* HAVE_LIBPCRE2 */
         regex_match (msg);
 
       if (config.dedup)
@@ -160,32 +160,32 @@ scan_mailbox (char path[])
           ((config.invert ^ delete)) &&
           ((config.dedup && !isdup) || !config.dedup))
         {
-          if (config.action == DISPLAY)
+          if (config.action == ACTION_DISPLAY)
             {
-              if (config.format != MBOX && config.format != ZMBOX
+              if (config.format != FORMAT_MBOX && config.format != FORMAT_ZMBOX
-                  && config.format != BZ2MBOX
+                  && config.format != FORMAT_BZ2MBOX
                   && 0 != strncmp ("From ", msg->headers, 5))
                 postmark_print (msg);
 
               fprintf (stdout, "%s\n%s", msg->headers, msg->body);
             }
-          else if (config.action == WRITE)
+          else if (config.action == ACTION_WRITE)
             {
-              if (config.format == MAILDIR)
+              if (config.format == FORMAT_MAILDIR)
                 maildir_write_message (msg, config.outboxname);
-              else if (config.format == MH || config.format == NNMH
+              else if (config.format == FORMAT_MH || config.format == FORMAT_NNMH
-                       || config.format == NNML)
+                       || config.format == FORMAT_NNML)
                 mh_write_message (msg, config.outboxname);
-              else if ((config.format == MBOX) || (config.format == ZMBOX)
+              else if ((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
-                       || (config.format == BZ2MBOX))
+                       || (config.format == FORMAT_BZ2MBOX))
                 {
-                  out = mbox_open (config.outboxname, "w");
+                  out = mbox_open (config.outboxname, w);
                   /* fprintf (out->fp, "%s\n%s", msg->headers, msg->body); */
                   mbox_write_message (msg, out);
                   mbox_close (out);
                 }
             }
-          else if (config.action == PIPE)
+          else if (config.action == ACTION_PIPE)
             {
               outf = popen (config.pipecmd, "w");
               if (outf == NULL)
@@ -200,19 +200,19 @@ scan_mailbox (char path[])
               fprintf (outf, "%s\n%s", msg->headers, msg->body);
               pclose (outf);
             }
-          else if (config.action == COUNT)
+          else if (config.action == ACTION_COUNT)
             runtime.count++;
-          else if (config.action == DELETE &&
+          else if (config.action == ACTION_DELETE &&
-                   ((config.format == MBOX) || (config.format == ZMBOX)
+                   ((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
-                    || (config.format == BZ2MBOX)))
+                    || (config.format == FORMAT_BZ2MBOX)))
             mbox_write_message (msg, runtime.tmp_mbox);
         }
 
       else
         if (((((config.res1 == 0) | (config.res2 == 0)) ^ config.invert)
-             && delete) && ((config.format == MH) || (config.format == NNMH)
+             && delete) && ((config.format == FORMAT_MH) || (config.format == FORMAT_NNMH)
-                            || (config.format == NNML)
+                            || (config.format == FORMAT_NNML)
-                            || (config.format == MAILDIR)))
+                            || (config.format == FORMAT_MAILDIR)))
         m_unlink (msg->filename);
 
       free (msg->body);
@@ -220,11 +220,11 @@ scan_mailbox (char path[])
       free (msg);
     }                           /* for */
 
-  if ((config.format == MBOX) || (config.format == ZMBOX)
+  if ((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
-      || (config.format == BZ2MBOX))
+      || (config.format == FORMAT_BZ2MBOX))
     mbox_close (mbox);
-  else if ((config.format == MH) || (config.format == NNMH)
+  else if ((config.format == FORMAT_MH) || (config.format == FORMAT_NNMH)
-           || (config.format == NNML))
+           || (config.format == FORMAT_NNML))
     mh_close (boxd);
 }