summaryrefslogtreecommitdiff
path: root/src/util.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/util.c')
-rw-r--r--src/util.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/src/util.c b/src/util.c
index 2363ea27b2..78d8d5d9c5 100644
--- a/src/util.c
+++ b/src/util.c
@@ -893,6 +893,53 @@ int mkdir_p(const char *path, mode_t mode) {
return 0;
}
+int rmdir_parents(const char *path, const char *stop) {
+ size_t l;
+ int r = 0;
+
+ assert(path);
+ assert(stop);
+
+ l = strlen(path);
+
+ /* Skip trailing slashes */
+ while (l > 0 && path[l-1] == '/')
+ l--;
+
+ while (l > 0) {
+ char *t;
+
+ /* Skip last component */
+ while (l > 0 && path[l-1] != '/')
+ l--;
+
+ /* Skip trailing slashes */
+ while (l > 0 && path[l-1] == '/')
+ l--;
+
+ if (l <= 0)
+ break;
+
+ if (!(t = strndup(path, l)))
+ return -ENOMEM;
+
+ if (path_startswith(stop, t)) {
+ free(t);
+ return 0;
+ }
+
+ r = rmdir(t);
+ free(t);
+
+ if (r < 0)
+ if (errno != ENOENT)
+ return -errno;
+ }
+
+ return 0;
+}
+
+
char hexchar(int x) {
static const char table[16] = "0123456789abcdef";