From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Mon, 15 Jul 2013 05:05:52 +0000 (-0300)
Subject: util: Add mkdir_parents()
X-Git-Tag: v15~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa6fc9f0b8a749281b14252155a326a5cb1bc41d;p=thirdparty%2Fkmod.git

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 1cbc8496..d6862506 100644
--- a/libkmod/libkmod-util.c
+++ b/libkmod/libkmod-util.c
@@ -370,6 +370,17 @@ int mkdir_p(const char *path, int len, mode_t mode)
 	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 4c45416f..f7f3e90d 100644
--- a/libkmod/libkmod-util.h
+++ b/libkmod/libkmod-util.h
@@ -21,6 +21,7 @@ char *strchr_replace(char *s, int c, char r);
 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)));