Check command-line options for conflicting matchers and actions.
This commit is contained in:
186
src/misc.c
186
src/misc.c
@@ -28,62 +28,76 @@
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#include <errno.h>
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#include <stdlib.h>
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#include <time.h>
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#include <unistd.h>
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#include "mboxgrep.h"
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#include "misc.h"
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#include "wrap.h"
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#include "getopt.h"
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#include "info.h"
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#include "message.h"
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format_t
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folder_format (const char *name)
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/* Determine the folder format passed to -m. */
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void
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set_folder_format (const char *name)
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{
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format_t f;
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if (config.format > 0)
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{
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if (config.merr)
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fprintf (stderr, "%s: multiple mailbox types specified\n", APPNAME);
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exit (2);
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}
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if (0 == strncasecmp (name, "mbox", 4))
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f = MBOX;
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config.format = FORMAT_MBOX;
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else if (0 == strncasecmp (name, "zmbox", 5))
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f = ZMBOX;
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config.format = FORMAT_ZMBOX;
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else if (0 == strncasecmp (name, "gzmbox", 6))
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f = ZMBOX;
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config.format = FORMAT_ZMBOX;
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else if (0 == strncasecmp (name, "bzmbox", 5))
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f = BZ2MBOX;
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config.format = FORMAT_BZ2MBOX;
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else if (0 == strncasecmp (name, "bz2mbox", 5))
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f = BZ2MBOX;
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config.format = FORMAT_BZ2MBOX;
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else if (0 == strncasecmp (name, "mh", 2))
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f = MH;
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config.format = FORMAT_MH;
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else if (0 == strncasecmp (name, "nnml", 4))
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f = NNML;
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config.format = FORMAT_NNML;
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else if (0 == strncasecmp (name, "nnmh", 4))
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f = NNMH;
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config.format = FORMAT_NNMH;
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else if (0 == strncasecmp (name, "maildir", 7))
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f = MAILDIR;
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config.format = FORMAT_MAILDIR;
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else
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{
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if (config.merr)
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fprintf (stderr, "%s: %s: unknown folder type\n", APPNAME, name);
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exit (2);
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}
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return f;
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}
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lockmethod_t
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lock_method (const char *name)
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/* Determine the file locking method passed to -l. */
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void
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set_lock_method (const char *name)
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{
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lockmethod_t l;
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if (config.lock > 0)
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{
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if (config.merr)
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fprintf (stderr, "%s: conflicting file locking options specified\n", APPNAME);
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exit (2);
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}
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if (0 == strncasecmp (name, "none", 4))
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l = NONE;
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config.lock = LOCK_NONE;
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else if (0 == strncasecmp (name, "off", 3))
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l = NONE;
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config.lock = LOCK_NONE;
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#ifdef HAVE_FCNTL
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else if (0 == strncasecmp (name, "fcntl", 5))
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l = FCNTL;
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config.lock = LOCK_FCNTL;
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#endif /* HAVE_FCNTL */
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#ifdef HAVE_FLOCK
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else if (0 == strncasecmp (name, "flock", 5))
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l = FLOCK;
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config.lock = LOCK_FLOCK;
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#endif /* HAVE_FLOCK */
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else
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{
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@@ -91,10 +105,10 @@ lock_method (const char *name)
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fprintf (stderr, "mboxgrep: %s: unknown file locking method\n", name);
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exit (2);
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}
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return l;
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}
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/* Dead code */
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/*
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time_t parse_date(char *datestr)
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{
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@@ -170,26 +184,29 @@ postmark_print (message_t * msg)
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fprintf (stdout, "From nobody %s\n", date_str);
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}
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/* Initialize the option_t struct. */
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void
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set_default_options (void)
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init_options (void)
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{
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config.perl = 0;
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config.extended = 1;
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config.regextype = REGEX_UNDEF;
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config.invert = 0;
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config.headers = 0;
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config.body = 0;
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config.action = DISPLAY;
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config.action = ACTION_UNDEF;
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config.dedup = 0;
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config.recursive = 0;
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config.ignorecase = 0;
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config.format = MBOX; /* default mailbox format */
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config.lock = FCNTL; /* default file locking method */
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config.format = FORMAT_UNDEF;
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config.lock = LOCK_UNDEF; /* default file locking method */
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config.merr = 1; /* report errors by default */
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config.debug = 0;
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}
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/* Parse command-line arguments and assign values to option_t. */
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void
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get_runtime_options (int *argc, char **argv, struct option *long_options)
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get_options (int *argc, char **argv, struct option *long_options)
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{
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int option_index = 0, c;
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@@ -206,35 +223,26 @@ get_runtime_options (int *argc, char **argv, struct option *long_options)
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case '?':
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usage ();
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case 'c':
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config.action = COUNT;
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set_option_action (ACTION_COUNT, NULL);
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break;
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case 'd':
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config.action = DELETE;
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set_option_action (ACTION_DELETE, NULL);
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break;
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case 'e':
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config.regex_s = xstrdup (optarg);
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config.haveregex = 1;
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break;
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case 'o':
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config.outboxname = xstrdup (optarg);
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config.action = WRITE;
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set_option_action (ACTION_WRITE, optarg);
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break;
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case 'E':
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config.extended = 1;
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set_option_regextype (REGEX_EXTENDED);
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break;
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case 'G':
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config.extended = 0;
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set_option_regextype (REGEX_BASIC);
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break;
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case 'P':
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#ifdef HAVE_LIBPCRE
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config.extended = 0;
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config.perl = 1;
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#else
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fprintf (stderr,
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"%s: Support for Perl regular expressions not "
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"compiled in\n", APPNAME);
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exit (2);
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#endif /* HAVE_LIBPCRE */
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set_option_regextype (REGEX_PERL);
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break;
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case 'h':
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help ();
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@@ -243,14 +251,13 @@ get_runtime_options (int *argc, char **argv, struct option *long_options)
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config.ignorecase = 1;
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break;
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case 'm':
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config.format = folder_format (optarg);
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set_folder_format (optarg);
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break;
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case 'l':
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config.lock = lock_method (optarg);
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set_lock_method (optarg);
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break;
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case 'p':
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config.action = PIPE;
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config.pipecmd = xstrdup (optarg);
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set_option_action (ACTION_PIPE, optarg);
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break;
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case 'V':
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version ();
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@@ -289,7 +296,7 @@ get_runtime_options (int *argc, char **argv, struct option *long_options)
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config.dedup = 1;
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break;
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case 'l':
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config.lock = 0;
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set_lock_method ("none");
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break;
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default:
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fprintf (stderr, "%s: invalid option -- n%c\n",
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@@ -300,3 +307,82 @@ get_runtime_options (int *argc, char **argv, struct option *long_options)
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} /* switch */
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} /* while */
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}
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/* Check the state of command-line options after parsing them.
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* Raise error on conflicting options and set uninitialized ones to default values.
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*/
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void
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check_options (void)
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{
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gethostname (config.hostname, HOST_NAME_SIZE);
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config.pid = (int) getpid ();
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if (config.action == ACTION_UNDEF)
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{
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config.action = ACTION_DISPLAY;
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}
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if (config.format == FORMAT_UNDEF)
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{
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config.format = FORMAT_MBOX; /* default mailbox format */
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}
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if (config.regextype == REGEX_UNDEF)
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{
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config.regextype = REGEX_EXTENDED; /* default regex type */
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}
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if ((config.body == 0) && (config.headers == 0))
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{
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config.body = 1;
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config.headers = 1;
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}
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}
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void
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set_option_action (action_t action, char *path)
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{
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if (config.action > 0)
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{
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if (config.merr)
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fprintf (stderr, "%s: conflicting actions specified\n", APPNAME);
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exit (2);
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}
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config.action = action;
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if (action == ACTION_WRITE)
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{
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config.outboxname = xstrdup (path);
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}
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if (action == ACTION_PIPE)
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{
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config.pipecmd = xstrdup (optarg);
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}
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}
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void
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set_option_regextype (regextype_t regextype)
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{
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if (config.regextype > 0)
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{
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if (config.merr)
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fprintf (stderr, "%s: conflicting matchers specified\n", APPNAME);
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exit (2);
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}
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#ifndef HAVE_LIBPCRE
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if (regextype == REGEX_PERL);
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{
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fprintf (stderr,
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"%s: Support for Perl regular expressions not compiled in\n",
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APPNAME);
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exit (2);
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}
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}
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#endif /* HAVE_LIBPCRE */
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config.regextype = regextype;
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}
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