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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-03-03 18:42:52 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-03-03 20:16:57 -0500
commit19fbec19192998fa7fc0c24a58038b98cf989802 (patch)
treed3be881f1d90c249a42a23d1d9d2a7e98a8620b9 /src/tmpfiles/tmpfiles.c
parenta6187d4ce884e3c9ccf18d46b2ee494af386cb42 (diff)
tmpfiles: use cleanup func. to save a few lines
Diffstat (limited to 'src/tmpfiles/tmpfiles.c')
-rw-r--r--src/tmpfiles/tmpfiles.c66
1 files changed, 17 insertions, 49 deletions
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index 7da94ed57b..b93d8988fc 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -134,7 +134,7 @@ static struct Item* find_glob(Hashmap *h, const char *match) {
}
static void load_unix_sockets(void) {
- FILE *f = NULL;
+ FILE _cleanup_fclose_ *f = NULL;
char line[LINE_MAX];
if (unix_sockets)
@@ -194,15 +194,11 @@ static void load_unix_sockets(void) {
}
}
- fclose(f);
return;
fail:
set_free_free(unix_sockets);
unix_sockets = NULL;
-
- if (f)
- fclose(f);
}
static bool unix_socket_alive(const char *fn) {
@@ -231,12 +227,12 @@ static int dir_cleanup(
struct dirent *dent;
struct timespec times[2];
bool deleted = false;
- char *sub_path = NULL;
int r = 0;
while ((dent = readdir(d))) {
struct stat s;
usec_t age;
+ char _cleanup_free_ *sub_path = NULL;
if (streq(dent->d_name, ".") ||
streq(dent->d_name, ".."))
@@ -260,9 +256,6 @@ static int dir_cleanup(
if (s.st_uid == 0 && !(s.st_mode & S_IWUSR))
continue;
- free(sub_path);
- sub_path = NULL;
-
if (asprintf(&sub_path, "%s/%s", p, dent->d_name) < 0) {
r = log_oom();
goto finish;
@@ -285,7 +278,7 @@ static int dir_cleanup(
if (maxdepth <= 0)
log_warning("Reached max depth on %s.", sub_path);
else {
- DIR *sub_dir;
+ DIR _cleanup_closedir_ *sub_dir;
int q;
sub_dir = xopendirat(dirfd(d), dent->d_name, O_NOFOLLOW|O_NOATIME);
@@ -299,7 +292,6 @@ static int dir_cleanup(
}
q = dir_cleanup(i, sub_path, sub_dir, &s, cutoff, rootdev, false, maxdepth-1, false);
- closedir(sub_dir);
if (q < 0)
r = q;
@@ -393,8 +385,6 @@ finish:
log_error("utimensat(%s): %m", p);
}
- free(sub_path);
-
return r;
}
@@ -483,7 +473,7 @@ static int write_one_file(Item *i, const char *path) {
}
static int recursive_relabel_children(Item *i, const char *path) {
- DIR *d;
+ DIR _cleanup_closedir_ *d;
int ret = 0;
/* This returns the first error we run into, but nevertheless
@@ -498,7 +488,7 @@ static int recursive_relabel_children(Item *i, const char *path) {
union dirent_storage buf;
bool is_dir;
int r;
- char *entry_path;
+ char _cleanup_free_ *entry_path = NULL;
r = readdir_r(d, &buf.de, &de);
if (r != 0) {
@@ -525,7 +515,6 @@ static int recursive_relabel_children(Item *i, const char *path) {
if (lstat(entry_path, &st) < 0) {
if (ret == 0 && errno != ENOENT)
ret = -errno;
- free(entry_path);
continue;
}
@@ -538,7 +527,6 @@ static int recursive_relabel_children(Item *i, const char *path) {
if (r < 0) {
if (ret == 0 && r != -ENOENT)
ret = r;
- free(entry_path);
continue;
}
@@ -547,12 +535,8 @@ static int recursive_relabel_children(Item *i, const char *path) {
if (r < 0 && ret == 0)
ret = r;
}
-
- free(entry_path);
}
- closedir(d);
-
return ret;
}
@@ -856,7 +840,7 @@ static int remove_item(Item *i) {
}
static int clean_item_instance(Item *i, const char* instance) {
- DIR *d;
+ DIR _cleanup_closedir_ *d = NULL;
struct stat s, ps;
bool mountpoint;
int r;
@@ -884,31 +868,24 @@ static int clean_item_instance(Item *i, const char* instance) {
if (fstat(dirfd(d), &s) < 0) {
log_error("stat(%s) failed: %m", i->path);
- r = -errno;
- goto finish;
+ return -errno;
}
if (!S_ISDIR(s.st_mode)) {
log_error("%s is not a directory.", i->path);
- r = -ENOTDIR;
- goto finish;
+ return -ENOTDIR;
}
if (fstatat(dirfd(d), "..", &ps, AT_SYMLINK_NOFOLLOW) != 0) {
log_error("stat(%s/..) failed: %m", i->path);
- r = -errno;
- goto finish;
+ return -errno;
}
mountpoint = s.st_dev != ps.st_dev ||
(s.st_dev == ps.st_dev && s.st_ino == ps.st_ino);
- r = dir_cleanup(i, instance, d, &s, cutoff, s.st_dev, mountpoint, MAX_DEPTH, i->keep_first_level);
-
-finish:
- if (d)
- closedir(d);
-
+ r = dir_cleanup(i, instance, d, &s, cutoff, s.st_dev, mountpoint,
+ MAX_DEPTH, i->keep_first_level);
return r;
}
@@ -1002,7 +979,8 @@ static bool item_equal(Item *a, Item *b) {
static int parse_line(const char *fname, unsigned line, const char *buffer) {
Item *i, *existing;
- char *mode = NULL, *user = NULL, *group = NULL, *age = NULL;
+ char _cleanup_free_
+ *mode = NULL, *user = NULL, *group = NULL, *age = NULL;
char type;
Hashmap *h;
int r, n = -1;
@@ -1015,21 +993,16 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
if (!i)
return log_oom();
- if (sscanf(buffer,
- "%c "
- "%ms "
- "%ms "
- "%ms "
- "%ms "
- "%ms "
- "%n",
+ r = sscanf(buffer,
+ "%c %ms %ms %ms %ms %ms %n",
&type,
&i->path,
&mode,
&user,
&group,
&age,
- &n) < 2) {
+ &n);
+ if (r < 2) {
log_error("[%s:%u] Syntax error.", fname, line);
r = -EIO;
goto finish;
@@ -1196,11 +1169,6 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
r = 0;
finish:
- free(user);
- free(group);
- free(mode);
- free(age);
-
if (i)
item_free(i);