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authorLennart Poettering <lennart@poettering.net>2015-10-26 20:07:55 +0100
committerLennart Poettering <lennart@poettering.net>2015-10-27 13:25:56 +0100
commita09561746f15b84da9471b5c4be74e53d19e4f3f (patch)
treee99301f014ab8d150891d936ca061e369f7bae33 /src/basic/dirent-util.c
parent78f22b973fa2c9b09bd974680836df17163d9ee0 (diff)
util-lib: introduce dirent-util.[ch] for directory entry calls
Also, move a couple of more path-related functions to path-util.c.
Diffstat (limited to 'src/basic/dirent-util.c')
-rw-r--r--src/basic/dirent-util.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/src/basic/dirent-util.c b/src/basic/dirent-util.c
new file mode 100644
index 0000000000..c433d5844a
--- /dev/null
+++ b/src/basic/dirent-util.c
@@ -0,0 +1,81 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2010-2012 Lennart Poettering
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "dirent-util.h"
+#include "string-util.h"
+
+int dirent_ensure_type(DIR *d, struct dirent *de) {
+ struct stat st;
+
+ assert(d);
+ assert(de);
+
+ if (de->d_type != DT_UNKNOWN)
+ return 0;
+
+ if (fstatat(dirfd(d), de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0)
+ return -errno;
+
+ de->d_type =
+ S_ISREG(st.st_mode) ? DT_REG :
+ S_ISDIR(st.st_mode) ? DT_DIR :
+ S_ISLNK(st.st_mode) ? DT_LNK :
+ S_ISFIFO(st.st_mode) ? DT_FIFO :
+ S_ISSOCK(st.st_mode) ? DT_SOCK :
+ S_ISCHR(st.st_mode) ? DT_CHR :
+ S_ISBLK(st.st_mode) ? DT_BLK :
+ DT_UNKNOWN;
+
+ return 0;
+}
+
+bool dirent_is_file(const struct dirent *de) {
+ assert(de);
+
+ if (hidden_file(de->d_name))
+ return false;
+
+ if (de->d_type != DT_REG &&
+ de->d_type != DT_LNK &&
+ de->d_type != DT_UNKNOWN)
+ return false;
+
+ return true;
+}
+
+bool dirent_is_file_with_suffix(const struct dirent *de, const char *suffix) {
+ assert(de);
+
+ if (de->d_type != DT_REG &&
+ de->d_type != DT_LNK &&
+ de->d_type != DT_UNKNOWN)
+ return false;
+
+ if (hidden_file_allow_backup(de->d_name))
+ return false;
+
+ return endswith(de->d_name, suffix);
+}