dspiljar/mboxgrep
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Code indentation and other minor cleanups.

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This commit is contained in:
Daniel Spiljar
2023-01-30 21:51:37 +01:00
parent 1d75932569
commit 7c94d17bec
15 changed files with 342 additions and 380 deletions
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357
src/mbox.c
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@@ -1,4 +1,4 @@
/* -*- C -*-
/*
mboxgrep - scan mailbox for messages matching a regular expression
Copyright (C) 2000, 2001, 2002, 2003, 2004, 2006 Daniel Spiljar
@@ -15,8 +15,7 @@
You should have received a copy of the GNU General Public License
along with mboxgrep; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
$Id: mbox.c,v 1.34 2006-10-22 23:34:49 dspiljar Exp $ */
*/
#include <config.h>
@@ -52,7 +51,6 @@
mbox_t *
mbox_open (const char *path, const char *mode)
/* {{{ */
{
mbox_t *mp;
static int fd;
@@ -69,155 +67,153 @@ mbox_open (const char *path, const char *mode)
else
{
if (mode[0] == 'r')
fd = m_open (path, O_RDONLY, 0);
fd = m_open (path, O_RDONLY, 0);
else if (mode[0] == 'w')
fd = m_open (path, (O_WRONLY | O_CREAT | O_APPEND),
fd = m_open (path, (O_WRONLY | O_CREAT | O_APPEND),
(S_IWUSR | S_IRUSR));
else
{
fprintf (stderr, "%s: mbox.c: Unknown mode %c. You shouldn't "
"get this error...", APPNAME, mode[0]);
exit (2);
}
{
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.merr)
{
fprintf (stderr, "%s: %s: ", APPNAME, path);
perror (NULL);
}
errno = 0;
return NULL;
}
if (config.lock)
{
{
#ifdef HAVE_FLOCK
int op;
int op;
if (mode[0] == 'r')
op = LOCK_SH;
else
op = LOCK_EX;
if (-1 == flock (fd, op))
if (mode[0] == '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;
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))
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);
return 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)
mp->fp = (FILE *) m_fdopen (fd, "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");
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");
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");
{
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");
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");
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 (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);
fgets (buffer, BUFSIZ, mp->fp);
#ifdef HAVE_LIBZ
else if (config.format == ZMBOX)
gzgets (mp->fp, buffer, BUFSIZ);
gzgets (mp->fp, buffer, BUFSIZ);
#endif /* HAVE_LIBZ */
#ifdef HAVE_LIBBZ2
else if (config.format == BZ2MBOX)
{
char c[1] = "\0";
int n = 0;
{
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';
}
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);
{
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);
else if (config.format == ZMBOX)
gzclose (mp->fp);
#endif /* HAVE_LIBZ */
#ifdef HAVE_LIBBZ2
else if (config.format == BZ2MBOX)
BZ2_bzclose (mp->fp);
else if (config.format == BZ2MBOX)
BZ2_bzclose (mp->fp);
#endif /* HAVE_LIBBZ2 */
return NULL;
}
return NULL;
}
strcpy (mp->postmark_cache, buffer);
}
return mp;
}
/* }}} */
void
mbox_close (mbox_t * mp)
/* {{{ */
{
if (config.format == MBOX)
fclose (mp->fp);
@@ -233,12 +229,9 @@ mbox_close (mbox_t * mp)
free (mp->postmark_cache);
free (mp);
}
/* }}} */
message_t *
mbox_read_message (mbox_t * mp)
/* {{{ */
{
int isheaders = 1, s;
char buffer[BUFSIZ];
@@ -256,93 +249,89 @@ mbox_read_message (mbox_t * mp)
for (;;)
{
if (config.format == MBOX)
{
if (fgets (buffer, BUFSIZ, mp->fp) == NULL)
{
if (isheaders)
return NULL;
else
return message;
}
}
{
if (fgets (buffer, BUFSIZ, mp->fp) == NULL)
{
if (isheaders)
return NULL;
else
return message;
}
}
#ifdef HAVE_LIBZ
else if (config.format == ZMBOX)
{
if (gzgets (mp->fp, buffer, BUFSIZ) == NULL)
{
if (isheaders)
return NULL;
else
return message;
}
}
{
if (gzgets (mp->fp, buffer, BUFSIZ) == NULL)
{
if (isheaders)
return NULL;
else
return message;
}
}
#endif /* HAVE_LIBZ */
#ifdef HAVE_LIBBZ2
else if (config.format == BZ2MBOX)
{
char c[1] = "\0";
int n = 0;
{
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';
while (c[0] != '\n' && n < BUFSIZ)
{
BZ2_bzread (mp->fp, c, 1);
buffer[n] = c[0];
n++;
}
buffer[n] = '\0';
if (buffer[0] == '\0')
{
if (isheaders)
return NULL;
else
return message;
}
}
if (buffer[0] == '\0')
{
if (isheaders)
return NULL;
else
return message;
}
}
#endif /* HAVE_LIBBZ2 */
s = strlen (buffer);
if (buffer[0] == '\n' && isheaders == 1)
{
isheaders = 0;
continue;
}
{
isheaders = 0;
continue;
}
if (isheaders)
{
message->headers =
(char *) realloc (message->headers,
{
message->headers =
(char *) realloc (message->headers,
((1 + s + message->hbytes) * sizeof (char)));
strcpy (message->headers + message->hbytes, buffer);
message->hbytes += s;
} /* if */
strcpy (message->headers + message->hbytes, buffer);
message->hbytes += s;
}
else
{
if (0 == strncmp (buffer, "From ", 5))
{
strcpy (mp->postmark_cache, buffer);
return message;
}
message->body =
(char *) realloc (message->body,
{
if (0 == strncmp (buffer, "From ", 5))
{
strcpy (mp->postmark_cache, buffer);
return message;
}
message->body =
(char *) realloc (message->body,
((1 + s + message->bbytes) * sizeof (char)));
strcpy (message->body + message->bbytes, buffer);
message->bbytes += s;
}
} /* for */
strcpy (message->body + message->bbytes, buffer);
message->bbytes += s;
}
}
return NULL;
}
/* }}} */
void
tmpmbox_create (const char *path)
/* {{{ */
{
int foo;
@@ -351,11 +340,9 @@ tmpmbox_create (const char *path)
tmpfile_mod_own (foo, path);
}
/* }}} */
void
tmpfile_name (const char *path)
/* {{{ */
{
char *fname, *tmpdir;
@@ -363,7 +350,7 @@ tmpfile_name (const char *path)
{
tmpdir = getenv ("TMPDIR");
if (tmpdir == NULL)
tmpdir = xstrdup ("/tmp");
tmpdir = xstrdup ("/tmp");
fname = xstrdup ("/mboxgrepXXXXXX");
}
else
@@ -377,13 +364,10 @@ tmpfile_name (const char *path)
* sizeof (char));
sprintf (config.tmpfilename, "%s%s", tmpdir, fname);
}
/* }}} */
void
mbox_write_message (message_t *msg, mbox_t *mbox)
/* {{{ */
{
if (config.format == MBOX)
fprintf (mbox->fp, "%s\n%s", msg->headers, msg->body);
@@ -404,11 +388,9 @@ mbox_write_message (message_t *msg, mbox_t *mbox)
}
#endif /* HAVE_LIBBZ2 */
}
/* }}} */
void
tmpfile_mod_own (const int fd, const char *path)
/* {{{ */
{
/* If we're root, copy {owner, group, perms} of mailbox to the tmpfile
* so rename() will thus retain the original's ownership & permissions.
@@ -418,20 +400,18 @@ tmpfile_mod_own (const int fd, const char *path)
struct stat s;
if (stat (path, &s) != -1)
{
if (fchown (fd, s.st_uid, s.st_gid) == -1)
if (config.merr) perror (config.tmpfilename);
if (fchmod (fd, s.st_mode) == -1)
if (config.merr) perror (config.tmpfilename);
}
{
if (fchown (fd, s.st_uid, s.st_gid) == -1)
if (config.merr) perror (config.tmpfilename);
if (fchmod (fd, s.st_mode) == -1)
if (config.merr) perror (config.tmpfilename);
}
else if (config.merr) perror (path);
}
}
/* }}} */
int
tmpfile_create (void)
/* {{{ */
{
int fd;
@@ -439,12 +419,11 @@ tmpfile_create (void)
if (-1 == fd)
{
if (config.merr)
{
fprintf (stderr, "%s: %s: ", APPNAME, config.tmpfilename);
perror (NULL);
}
{
fprintf (stderr, "%s: %s: ", APPNAME, config.tmpfilename);
perror (NULL);
}
exit (2);
}
return fd;
}
/* }}} */