util: Add mkdir_parents()
Like mkdir_p, but discards the leaf, creating the parent directories.
diff --git a/libkmod/libkmod-util.c b/libkmod/libkmod-util.c
index 1cbc849..d686250 100644
--- a/libkmod/libkmod-util.c
+++ b/libkmod/libkmod-util.c
@@ -370,6 +370,17 @@
return 0;
}
+int mkdir_parents(const char *path, mode_t mode)
+{
+ char *end = strrchr(path, '/');
+
+ /* no parent directories */
+ if (end == NULL)
+ return 0;
+
+ return mkdir_p(path, end - path, mode);
+}
+
const struct kmod_ext kmod_exts[] = {
{".ko", sizeof(".ko") - 1},
#ifdef ENABLE_ZLIB
diff --git a/libkmod/libkmod-util.h b/libkmod/libkmod-util.h
index 4c45416..f7f3e90 100644
--- a/libkmod/libkmod-util.h
+++ b/libkmod/libkmod-util.h
@@ -21,6 +21,7 @@
bool path_is_absolute(const char *p) _must_check_ __attribute__((nonnull(1)));
char *path_make_absolute_cwd(const char *p) _must_check_ __attribute__((nonnull(1)));
int mkdir_p(const char *path, int len, mode_t mode);
+int mkdir_parents(const char *path, mode_t mode);
int alias_normalize(const char *alias, char buf[PATH_MAX], size_t *len) _must_check_ __attribute__((nonnull(1,2)));
char *modname_normalize(const char *modname, char buf[PATH_MAX], size_t *len) __attribute__((nonnull(1, 2)));
char *path_to_modname(const char *path, char buf[PATH_MAX], size_t *len) __attribute__((nonnull(2)));
