#include <config.h>
#include <stdio.h>
#include <errno.h>
#include <bashtypes.h>
#include <posixstat.h>
#include <posixdir.h>
#include <bashansi.h>
#ifndef _MINIX
# include <sys/param.h>
#endif
#include <maxpath.h>
int
mailstat(path, st)
const char *path;
struct stat *st;
{
static struct stat st_new_last, st_ret_last;
struct stat st_ret, st_tmp;
DIR *dd;
struct dirent *fn;
char dir[PATH_MAX * 2], file[PATH_MAX * 2];
int i, l;
time_t atime, mtime;
atime = mtime = 0;
if ((i = stat(path, st)) != 0 || S_ISDIR(st->st_mode) == 0)
return i;
if (strlen(path) > sizeof(dir) - 5)
{
#ifdef ENAMETOOLONG
errno = ENAMETOOLONG;
#else
errno = EINVAL;
#endif
return -1;
}
st_ret = *st;
st_ret.st_nlink = 1;
st_ret.st_size = 0;
#ifdef HAVE_STRUCT_STAT_ST_BLOCKS
st_ret.st_blocks = 0;
#else
st_ret.st_nlink = 0;
#endif
st_ret.st_mode &= ~S_IFDIR;
st_ret.st_mode |= S_IFREG;
sprintf(dir, "%s/cur", path);
if (stat(dir, &st_tmp) || S_ISDIR(st_tmp.st_mode) == 0)
return 0;
st_ret.st_atime = st_tmp.st_atime;
sprintf(dir, "%s/tmp", path);
if (stat(dir, &st_tmp) || S_ISDIR(st_tmp.st_mode) == 0)
return 0;
st_ret.st_mtime = st_tmp.st_mtime;
sprintf(dir, "%s/new", path);
if (stat(dir, &st_tmp) || S_ISDIR(st_tmp.st_mode) == 0)
return 0;
st_ret.st_mtime = st_tmp.st_mtime;
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;
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;
#ifdef HAVE_STRUCT_STAT_ST_BLOCKS
st_ret.st_blocks++;
#else
st_ret.st_nlink++;
#endif
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);
}
st_ret.st_atime = atime;
if (mtime)
st_ret.st_mtime = mtime;
*st = st_ret_last = st_ret;
return 0;
}