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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:33:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 19:33:32 +0000
commit8bb05ac73a5b448b339ce0bc8d396c82c459b47f (patch)
tree1fdda006866bca20d41cb206767ea5241e36852f /lib/path.c
parentAdding debian version 2.39.3-11. (diff)
downloadutil-linux-8bb05ac73a5b448b339ce0bc8d396c82c459b47f.tar.xz
util-linux-8bb05ac73a5b448b339ce0bc8d396c82c459b47f.zip
Merging upstream version 2.40.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--lib/path.c53
1 files changed, 23 insertions, 30 deletions
diff --git a/lib/path.c b/lib/path.c
index 4aceda1..202f19a 100644
--- a/lib/path.c
+++ b/lib/path.c
@@ -996,38 +996,25 @@ int ul_path_next_dirent(struct path_cxt *pc, DIR **sub, const char *dirname, str
return 1;
}
-/*
- * Like fopen() but, @path is always prefixed by @prefix. This function is
- * useful in case when ul_path_* API is overkill.
- */
-FILE *ul_prefix_fopen(const char *prefix, const char *path, const char *mode)
-{
- char buf[PATH_MAX];
-
- if (!path)
- return NULL;
- if (!prefix)
- return fopen(path, mode);
- if (*path == '/')
- path++;
-
- snprintf(buf, sizeof(buf), "%s/%s", prefix, path);
- return fopen(buf, mode);
-}
-
#ifdef HAVE_CPU_SET_T
static int ul_path_cpuparse(struct path_cxt *pc, cpu_set_t **set, int maxcpus, int islist, const char *path, va_list ap)
{
FILE *f;
size_t setsize, len = maxcpus * 7;
- char buf[len];
+ char *buf;
int rc;
*set = NULL;
+ buf = malloc(len);
+ if (!buf)
+ return -ENOMEM;
+
f = ul_path_vfopenf(pc, "r" UL_CLOEXECSTR, path, ap);
- if (!f)
- return -errno;
+ if (!f) {
+ rc = -errno;
+ goto out;
+ }
if (fgets(buf, len, f) == NULL) {
errno = EIO;
@@ -1038,32 +1025,38 @@ static int ul_path_cpuparse(struct path_cxt *pc, cpu_set_t **set, int maxcpus, i
fclose(f);
if (rc)
- return rc;
+ goto out;
len = strlen(buf);
if (len > 0 && buf[len - 1] == '\n')
buf[len - 1] = '\0';
*set = cpuset_alloc(maxcpus, &setsize, NULL);
- if (!*set)
- return -ENOMEM;
+ if (!*set) {
+ rc = -EINVAL;
+ goto out;
+ }
if (islist) {
if (cpulist_parse(buf, *set, setsize, 0)) {
- cpuset_free(*set);
errno = EINVAL;
rc = -errno;
- return rc;
+ goto out;
}
} else {
if (cpumask_parse(buf, *set, setsize)) {
- cpuset_free(*set);
errno = EINVAL;
rc = -errno;
- return rc;
+ goto out;
}
}
- return 0;
+ rc = 0;
+
+out:
+ if (rc)
+ cpuset_free(*set);
+ free(buf);
+ return rc;
}
int ul_path_readf_cpuset(struct path_cxt *pc, cpu_set_t **set, int maxcpus, const char *path, ...)