diff options
Diffstat (limited to 'e-util/e-mktemp.c')
| -rw-r--r-- | e-util/e-mktemp.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/e-util/e-mktemp.c b/e-util/e-mktemp.c deleted file mode 100644 index 1d878b1ba0..0000000000 --- a/e-util/e-mktemp.c +++ /dev/null @@ -1,267 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * Authors: Jeffrey Stedfast <fejj@ximian.com> - * - * Copyright 2001 Ximian, Inc. (www.ximian.com) - * - * 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 2 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., 59 Temple Street #330, Boston, MA 02111-1307, USA. - * - */ - - -#include "e-mktemp.h" - -#include <config.h> - -#include <glib.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <stdlib.h> -#include <fcntl.h> -#include <unistd.h> -#include <dirent.h> -#include <errno.h> - -#ifdef ENABLE_THREADS -#include <pthread.h> -#endif - - -static gboolean initialized = FALSE; -static GSList *temp_files = NULL; -static GSList *temp_dirs = NULL; -#ifdef ENABLE_THREADS -static pthread_mutex_t temp_files_lock = PTHREAD_MUTEX_INITIALIZER; -static pthread_mutex_t temp_dirs_lock = PTHREAD_MUTEX_INITIALIZER; -#define TEMP_FILES_LOCK() pthread_mutex_lock (&temp_files_lock) -#define TEMP_FILES_UNLOCK() pthread_mutex_unlock (&temp_files_lock) -#define TEMP_DIRS_LOCK() pthread_mutex_lock (&temp_dirs_lock) -#define TEMP_DIRS_UNLOCK() pthread_mutex_unlock (&temp_dirs_lock) -#else -#define TEMP_FILES_LOCK() -#define TEMP_FILES_UNLOCK() -#define TEMP_DIRS_LOCK() -#define TEMP_DIRS_UNLOCK() -#endif /* ENABLE_THREADS */ - - -static GString * -get_path (gboolean make) -{ - GString *path; - - path = g_string_new ("/tmp/evolution-"); - g_string_sprintfa (path, "%d-%d", (int) getuid (), (int) getpid ()); - - if (make) { - int ret; - - /* shoot now, ask questions later */ - ret = mkdir (path->str, S_IRWXU); - if (ret == -1) { - if (errno == EEXIST) { - struct stat st; - - if (stat (path->str, &st) == -1) { - /* reset errno */ - errno = EEXIST; - g_string_free (path, TRUE); - return NULL; - } - - /* make sure this is a directory and belongs to us... */ - if (!S_ISDIR (st.st_mode) || st.st_uid != getuid ()) { - /* eek! this is bad... */ - g_string_free (path, TRUE); - return NULL; - } - } else { - /* some other error...do not pass go, do not collect $200 */ - g_string_free (path, TRUE); - return NULL; - } - } - } - - return path; -} - -static void -e_mktemp_cleanup (void) -{ - GString *path; - GSList *node; - - TEMP_FILES_LOCK (); - if (temp_files) { - node = temp_files; - while (node) { - unlink (node->data); - g_free (node->data); - node = node->next; - } - g_slist_free (temp_files); - temp_files = NULL; - } - TEMP_FILES_UNLOCK (); - - TEMP_DIRS_LOCK (); - if (temp_dirs) { - node = temp_dirs; - while (node) { - /* perform the equivalent of a rm -rf */ - struct dirent *dent; - DIR *dir; - - /* first empty out this directory of it's files... */ - dir = opendir (node->data); - if (dir) { - while ((dent = readdir (dir)) != NULL) { - /* yea...so if we contain - subdirectories this won't work, but - it shouldn't so we won't - bother caring... */ - if (strcmp (dent->d_name, ".") && strcmp (dent->d_name, "..")) - unlink (dent->d_name); - } - closedir (dir); - } - - /* ...then rmdir the directory */ - rmdir (node->data); - g_free (node->data); - node = node->next; - } - g_slist_free (temp_dirs); - temp_dirs = NULL; - } - TEMP_DIRS_UNLOCK (); - - path = get_path (FALSE); - rmdir (path->str); - - g_string_free (path, TRUE); -} - - -const char * -e_mktemp (const char *template) -{ - GString *path; - char *ret; - - path = get_path (TRUE); - if (!path) - return NULL; - - g_string_append_c (path, '/'); - if (template) - g_string_append (path, template); - else - g_string_append (path, "unknown-XXXXXX"); - - ret = mktemp (path->str); - if (ret) { - TEMP_FILES_LOCK (); - if (!initialized) { - g_atexit (e_mktemp_cleanup); - initialized = TRUE; - } - temp_files = g_slist_prepend (temp_files, ret); - g_string_free (path, FALSE); - TEMP_FILES_UNLOCK (); - } else { - g_string_free (path, TRUE); - } - - return ret; -} - - -int -e_mkstemp (const char *template) -{ - GString *path; - int fd; - - path = get_path (TRUE); - if (!path) - return -1; - - g_string_append_c (path, '/'); - if (template) - g_string_append (path, template); - else - g_string_append (path, "unknown-XXXXXX"); - - fd = mkstemp (path->str); - if (fd != -1) { - TEMP_FILES_LOCK (); - if (!initialized) { - g_atexit (e_mktemp_cleanup); - initialized = TRUE; - } - temp_files = g_slist_prepend (temp_files, path->str); - g_string_free (path, FALSE); - TEMP_FILES_UNLOCK (); - } else { - g_string_free (path, TRUE); - } - - return fd; -} - - -const char * -e_mkdtemp (const char *template) -{ - GString *path; - char *tmpdir; - - path = get_path (TRUE); - if (!path) - return NULL; - - g_string_append_c (path, '/'); - if (template) - g_string_append (path, template); - else - g_string_append (path, "unknown-XXXXXX"); - -#ifdef HAVE_MKDTEMP - tmpdir = mkdtemp (path->str); -#else - tmpdir = mktemp (path->str); - if (tmpdir) { - if (mkdir (tmpdir, S_IRWXU) == -1) - tmpdir = NULL; - } -#endif - - if (tmpdir) { - TEMP_DIRS_LOCK (); - if (!initialized) { - g_atexit (e_mktemp_cleanup); - initialized = TRUE; - } - temp_dirs = g_slist_prepend (temp_dirs, tmpdir); - g_string_free (path, FALSE); - TEMP_DIRS_UNLOCK (); - } else { - g_string_free (path, TRUE); - } - - return tmpdir; -} |