From: Joel Rosdahl <joel@rosdahl.net>
Date: Thu, 7 Oct 2010 19:49:07 +0000 (+0200)
Subject: Add create_parent_dirs()
X-Git-Tag: v3.2~304
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f375665ef8786071411bdc326af83b01291b2036;p=thirdparty%2Fccache.git

Add create_parent_dirs()
---

diff --git a/ccache.h b/ccache.h
index 03f63763e..8611429e5 100644
--- a/ccache.h
+++ b/ccache.h
@@ -109,6 +109,7 @@ int move_uncompressed_file(const char *src, const char *dest,
 bool file_is_compressed(const char *filename);
 
 int create_dir(const char *dir);
+int create_parent_dirs(const char *path);
 const char *get_hostname(void);
 const char *tmp_string(void);
 char *format_hash_as_string(const unsigned char *hash, unsigned size);
diff --git a/util.c b/util.c
index e09b2cf06..5a5b7dc86 100644
--- a/util.c
+++ b/util.c
@@ -406,6 +406,33 @@ create_dir(const char *dir)
 	return 0;
 }
 
+/* Create directories leading to path. Returns 0 on success, otherwise -1. */
+int
+create_parent_dirs(const char *path)
+{
+	struct stat st;
+	int res;
+	char *parent = dirname(path);
+
+	if (stat(parent, &st) == 0) {
+		if (S_ISDIR(st.st_mode)) {
+			res = 0;
+		} else {
+			res = -1;
+			errno = ENOTDIR;
+		}
+	} else {
+		res = create_parent_dirs(parent);
+		if (res == 0) {
+			res = mkdir(parent, 0777);
+		} else {
+			res = -1;
+		}
+	}
+	free(parent);
+	return res;
+}
+
 /*
  * Return a static string with the current hostname.
  */