From: Kay Sievers <kay.sievers@vrfy.org>
Date: Thu, 12 Apr 2007 16:55:59 +0000 (+0200)
Subject: create_path: don't fail if something else created the directory
X-Git-Tag: 174~1999
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=3a6704cba7f0e37bcb957f836fa1d5f873f20dae

create_path: don't fail if something else created the directory

Thanks to Jeremy for the patch.
---

diff --git a/udev_utils_file.c b/udev_utils_file.c
index e4d5802ff..ba70b6b39 100644
--- a/udev_utils_file.c
+++ b/udev_utils_file.c
@@ -36,14 +36,13 @@ int create_path(const char *path)
 	char *pos;
 	struct stat stats;
 
-	strcpy (p, path);
+	strlcpy(p, path, sizeof(p));
 	pos = strrchr(p, '/');
 	if (pos == p || pos == NULL)
 		return 0;
 
 	while (pos[-1] == '/')
 		pos--;
-
 	pos[0] = '\0';
 
 	dbg("stat '%s'\n", p);
@@ -54,7 +53,12 @@ int create_path(const char *path)
 		return -1;
 
 	dbg("mkdir '%s'\n", p);
-	return mkdir(p, 0755);
+	if (mkdir(p, 0755) == 0)
+		return 0;
+	if (errno == EEXIST)
+		if (stat(p, &stats) == 0 && (stats.st_mode & S_IFMT) == S_IFDIR)
+			return 0;
+	return -1;
 }
 
 int delete_path(const char *path)