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# DP: From: Miquel van Smoorenburg <miquels@cistron.nl>
# DP: A patch that adds support for Maildir type mailboxes.
--- ./mailcheck.c.orig Wed Feb 4 21:30:33 1998
+++ ./mailcheck.c Sun Nov 14 15:35:07 1999
@@ -21,8 +21,10 @@
#include "config.h"
#include <stdio.h>
+#include <errno.h>
#include "bashtypes.h"
#include "posixstat.h"
+#include "posixdir.h"
#ifndef _MINIX
# include <sys/param.h>
#endif
@@ -37,6 +39,8 @@
#include "mailcheck.h"
#include <tilde/tilde.h>
+#include "mailstat.c"
+
#ifndef NOW
#define NOW ((time_t)time ((time_t *)0))
#endif
@@ -131,7 +135,7 @@
struct stat finfo;
file = mailfiles[i]->name;
- if (stat (file, &finfo) == 0)
+ if (mailstat (file, &finfo) == 0)
{
mailfiles[i]->access_time = finfo.st_atime;
mailfiles[i]->mod_time = finfo.st_mtime;
@@ -155,7 +159,7 @@
i = find_mail_file (filename);
if (i >= 0)
{
- if (stat (filename, &finfo) == 0)
+ if (mailstat (filename, &finfo) == 0)
{
mailfiles[i]->mod_time = finfo.st_mtime;
mailfiles[i]->access_time = finfo.st_atime;
@@ -221,7 +225,7 @@
file = mailfiles[i]->name;
mtime = mailfiles[i]->mod_time;
- if ((stat (file, &finfo) == 0) && (finfo.st_size > 0))
+ if ((mailstat (file, &finfo) == 0) && (finfo.st_size > 0))
return (mtime != finfo.st_mtime);
return (0);
@@ -239,7 +243,7 @@
file = mailfiles[i]->name;
atime = mailfiles[i]->access_time;
- if ((stat (file, &finfo) == 0) && (finfo.st_size > 0))
+ if ((mailstat (file, &finfo) == 0) && (finfo.st_size > 0))
return (atime != finfo.st_atime);
return (0);
@@ -257,7 +261,7 @@
file = mailfiles[i]->name;
size = mailfiles[i]->file_size;
- return ((stat (file, &finfo) == 0) && (finfo.st_size > size));
+ return ((mailstat (file, &finfo) == 0) && (finfo.st_size > size));
}
/* Take an element from $MAILPATH and return the portion from
diff -ruN bash-2.01.1.b4/mailstat.c bash-2.01.1/mailstat.c
--- bash-2.01.1.b4/mailstat.c Thu Jan 1 01:00:00 1970
+++ bash-2.01.1/mailstat.c Wed Jun 2 12:05:04 1999
@@ -0,0 +1,98 @@
+/*
+ * Stat a file. If it's a maildir, check all messages
+ * in the maildir and present the grand total as a file.
+ * The fields in the 'struct stat' are from the mail directory.
+ * The following fields are emulated:
+ *
+ * st_nlink always 1
+ * st_size total number of bytes in all files
+ * st_blocks total number of messages
+ * st_atime access time of newest file in maildir
+ * st_mtime modify time of newest file in maildir
+ * st_mode S_IFDIR changed to S_IFREG
+ *
+ * This is good enough for most mail-checking applications.
+ */
+int
+mailstat(char *path, struct stat *st)
+{
+ DIR *dd;
+ struct dirent *fn;
+ struct stat st_ret, st_tmp;
+ static struct stat st_new_last, st_ret_last;
+ char dir[PATH_MAX * 2];
+ char file[PATH_MAX * 2];
+ int i, l;
+ time_t atime = 0, mtime = 0;
+
+ /* First see if it's a directory. */
+ if ((i = stat(path, st)) != 0 || !S_ISDIR(st->st_mode))
+ return i;
+ if (strlen(path) > sizeof(dir) - 5) {
+ errno = ENAMETOOLONG;
+ return -1;
+ }
+
+ st_ret = *st;
+ st_ret.st_nlink = 1;
+ st_ret.st_size = 0;
+ st_ret.st_blocks = 0;
+ st_ret.st_mode &= ~S_IFDIR;
+ st_ret.st_mode |= S_IFREG;
+
+ /* See if cur/ is present */
+ sprintf(dir, "%s/cur", path);
+ if (stat(dir, &st_tmp) || !S_ISDIR(st_tmp.st_mode)) return 0;
+ st_ret.st_atime = st_tmp.st_atime;
+
+ /* See if tmp/ is present */
+ sprintf(dir, "%s/tmp", path);
+ if (stat(dir, &st_tmp) || !S_ISDIR(st_tmp.st_mode)) return 0;
+ st_ret.st_mtime = st_tmp.st_mtime;
+
+ /* And new/ */
+ sprintf(dir, "%s/new", path);
+ if (stat(dir, &st_tmp) || !S_ISDIR(st_tmp.st_mode)) return 0;
+ st_ret.st_mtime = st_tmp.st_mtime;
+
+ /* Optimization - if new/ didn't change, nothing else did. */
+ if (st_tmp.st_dev == st_new_last.st_dev &&
+ st_tmp.st_ino == st_new_last.st_ino &&
+ st_tmp.st_atime == st_new_last.st_atime &&
+ st_tmp.st_mtime == st_new_last.st_mtime) {
+ *st = st_ret_last;
+ return 0;
+ }
+ st_new_last = st_tmp;
+
+ /* Loop over new/ and cur/ */
+ for (i = 0; i < 2; i++) {
+ sprintf(dir, "%s/%s", path, i ? "cur" : "new");
+ sprintf(file, "%s/", dir);
+ l = strlen(file);
+ if ((dd = opendir(dir)) == NULL)
+ return 0;
+ while ((fn = readdir(dd)) != NULL) {
+ if (fn->d_name[0] == '.' ||
+ strlen(fn->d_name) + l >= sizeof(file))
+ continue;
+ strcpy(file + l, fn->d_name);
+ if (stat(file, &st_tmp) != 0)
+ continue;
+ st_ret.st_size += st_tmp.st_size;
+ st_ret.st_blocks++;
+ if (st_tmp.st_atime != st_tmp.st_mtime &&
+ st_tmp.st_atime > atime)
+ atime = st_tmp.st_atime;
+ if (st_tmp.st_mtime > mtime)
+ mtime = st_tmp.st_mtime;
+ }
+ closedir(dd);
+ }
+
+ if (atime) st_ret.st_atime = atime;
+ if (mtime) st_ret.st_mtime = mtime;
+
+ *st = st_ret_last = st_ret;
+ return 0;
+}
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