path: replaced parent_path() with g_path_get_dirname()

Again, GLib's version is more robust than ours.

src/database.c

@@ -33,6 +33,7 @@
 
 #include <assert.h>
 #include <string.h>
+#include <glib.h>
 
 static struct directory *music_root;
 
@@ -151,19 +152,18 @@ db_check(void)
 		/* If the file doesn't exist, we can't check if we can write
 		 * it, so we are going to try to get the directory path, and
 		 * see if we can write a file in that */
-		char dirPath[MPD_PATH_MAX];
-		parent_path(dirPath, dbFile);
-		if (*dirPath == '\0')
-			strcpy(dirPath, "/");
+		char *dirPath = g_path_get_dirname(dbFile);
 
 		/* Check that the parent part of the path is a directory */
 		if (stat(dirPath, &st) < 0) {
+			g_free(dirPath);
 			ERROR("Couldn't stat parent directory of db file "
 			      "\"%s\": %s\n", dbFile, strerror(errno));
 			return -1;
 		}
 
 		if (!S_ISDIR(st.st_mode)) {
+			g_free(dirPath);
 			ERROR("Couldn't create db file \"%s\" because the "
 			      "parent path is not a directory\n", dbFile);
 			return -1;
@@ -173,9 +173,12 @@ db_check(void)
 		if (access(dirPath, R_OK | W_OK)) {
 			ERROR("Can't create db file in \"%s\": %s\n", dirPath,
 			      strerror(errno));
+			g_free(dirPath);
 			return -1;
 		}
 
+		g_free(dirPath);
+
 		return 0;
 	}
 

src/path.c

@@ -202,34 +202,6 @@ void pathcpy_trunc(char *dest, const char *src)
 	dest[len] = '\0';
 }
 
-char *parent_path(char *path_max_tmp, const char *path)
-{
-	char *c;
-	static const int handle_trailing_slashes = 0;
-
-	pathcpy_trunc(path_max_tmp, path);
-
-	if (handle_trailing_slashes) {
-		size_t last_char = strlen(path_max_tmp) - 1;
-
-		while (last_char > 0 && path_max_tmp[last_char] == '/')
-			path_max_tmp[last_char--] = '\0';
-	}
-
-	c = strrchr(path_max_tmp,'/');
-
-	if (c == NULL)
-		path_max_tmp[0] = '\0';
-	else {
-		/* strip redundant slashes: */
-		while ((path_max_tmp <= c) && *(--c) == '/')	/* nothing */
-			;
-		c[1] = '\0';
-	}
-
-	return path_max_tmp;
-}
-
 char *sanitizePathDup(const char *path)
 {
 	int len = strlen(path) + 1;

src/path.h

@@ -58,16 +58,6 @@ char *pfx_dir(char *dst,
 /* relative playlist path to absolute playlist path */
 char *rpp2app_r(char *dst, const char *rel_path);
 
-/*
- * parent_path - saner version of dirname(3) with slightly different semantics
- *  - we will return "" instead of "." or "/" if we have no parent
- *    this is because we only deal with internal paths
- *  - we always skip over redundant slashes in the middle, if there are any
- *  - we will never get meaningful paths with trailing slashes in our callers
- *    (set handle_trailing_slashes to true if we do)
- */
-char *parent_path(char *path_max_tmp, const char *path);
-
 /* strips extra "///" and leading "/" and trailing "/" */
 char *sanitizePathDup(const char *path);