mu/src/mu-util.c

130 lines
2.7 KiB
C

/*
** Copyright (C) 2010 Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
**
** 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 3 of the License, 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, write to the Free Software Foundation,
** Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**
*/
#define _XOPEN_SOURCE
#include <wordexp.h> /* for shell-style globbing */
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <glib/gstdio.h>
#include <errno.h>
#include "mu-util.h"
char*
mu_util_dir_expand (const char *path)
{
wordexp_t wexp;
char *dir;
g_return_val_if_fail (path, NULL);
dir = NULL;
wordexp (path, &wexp, 0);
if (wexp.we_wordc != 1)
g_warning ("error expanding dir '%s'", path);
else
dir = g_strdup (wexp.we_wordv[0]);
wordfree (&wexp);
return dir;
}
gboolean
mu_util_check_dir (const gchar* path, gboolean readable,
gboolean writeable)
{
mode_t mode;
struct stat statbuf;
if (!path)
return FALSE;
mode = F_OK | (readable ? R_OK : 0) | (writeable ? W_OK : 0);
if (access (path, mode) != 0) {
MU_WRITE_LOG ("Cannot access %s: %s", path,
strerror (errno));
return FALSE;
}
if (stat (path, &statbuf) != 0) {
MU_WRITE_LOG ("Cannot stat %s: %s", path,
strerror (errno));
return FALSE;
}
return S_ISDIR(statbuf.st_mode) ? TRUE: FALSE;
}
gchar*
mu_util_guess_maildir (void)
{
const gchar *mdir1;
gchar *mdir2;
/* first, try MAILDIR */
mdir1 = g_getenv ("MAILDIR");
if (mdir1 && mu_util_check_dir (mdir1, TRUE, FALSE))
return g_strdup (mdir1);
/* then, try ~/Maildir */
mdir2 = mu_util_dir_expand ("~/Maildir");
if (mu_util_check_dir (mdir2, TRUE, FALSE))
return mdir2;
/* nope; nothing found */
return NULL;
}
gboolean
mu_util_create_dir_maybe (const gchar *path)
{
struct stat statbuf;
g_return_val_if_fail (path, FALSE);
/* if it exists, it must be a readable dir */
if (stat (path, &statbuf) == 0) {
if ((!S_ISDIR(statbuf.st_mode)) ||
(access (path, W_OK|R_OK) != 0)) {
g_warning ("Not a rw-directory: %s", path);
return FALSE;
}
}
if (g_mkdir_with_parents (path, 0700) != 0) {
g_warning ("failed to create %s: %s",
path, strerror(errno));
return FALSE;
}
return TRUE;
}