path: removed pfx_dir()

Use GLib's g_build_filename() instead of pfx_dir().

src/path.c

@@ -107,20 +107,3 @@ void path_global_finish(void)
 {
 	g_free(fs_charset);
 }
-
-char *pfx_dir(char *dst,
-              const char *path, const size_t path_len,
-              const char *pfx, const size_t pfx_len)
-{
-	if (G_UNLIKELY((pfx_len + path_len + 1) >= MPD_PATH_MAX))
-		g_error("Cannot prefix '%s' to '%s', PATH_MAX: %d",
-			pfx, path, MPD_PATH_MAX);
-
-	/* memmove allows dst == path */
-	memmove(dst + pfx_len + 1, path, path_len + 1);
-	memcpy(dst, pfx, pfx_len);
-	dst[pfx_len] = '/';
-
-	/* this is weird, but directory.c can use it more safely/efficiently */
-	return (dst + pfx_len + 1);
-}

src/path.h

@@ -44,16 +44,4 @@ void path_set_fs_charset(const char *charset);
 
 const char *path_get_fs_charset(void);
 
-/*
- * pfx_dir - sets dst="$pfx/$path" and returns a pointer to path inside * dst
- * this will unconditionally put a '/' between pfx and path unlike
- * the static pfx_path() function in path.c
- * dst is assumed to be MAXPATHLEN in size
- * dst can point to the same location as path, but not pfx, which makes
- * this better than sprintf(3) in some cases
- */
-char *pfx_dir(char *dst,
-              const char *path, const size_t path_len,
-              const char *pfx, const size_t pfx_len);
-
 #endif

src/stored_playlist.c

@@ -37,13 +37,12 @@ static struct stored_playlist_info *
 load_playlist_info(const char *parent_path_fs, const char *name_fs)
 {
 	size_t name_length = strlen(name_fs);
-	char buffer[MPD_PATH_MAX], *name, *name_utf8;
+	char buffer[MPD_PATH_MAX], *path_fs, *name, *name_utf8;
 	int ret;
 	struct stat st;
 	struct stored_playlist_info *playlist;
 
 	if (name_length < 1 + sizeof(PLAYLIST_FILE_SUFFIX) ||
-	    strlen(parent_path_fs) + name_length >= sizeof(buffer) ||
 	    memchr(name_fs, '\n', name_length) != NULL)
 		return NULL;
 
@@ -53,10 +52,9 @@ load_playlist_info(const char *parent_path_fs, const char *name_fs)
 		   sizeof(PLAYLIST_FILE_SUFFIX) - 1) != 0)
 		return NULL;
 
-	pfx_dir(buffer, name_fs, name_length,
-		parent_path_fs, strlen(parent_path_fs));
-
-	ret = stat(buffer, &st);
+	path_fs = g_build_filename(parent_path_fs, name_fs, NULL);
+	ret = stat(path_fs, &st);
+	g_free(path_fs);
 	if (ret < 0 || !S_ISREG(st.st_mode))
 		return NULL;
 

src/update.c

@@ -288,16 +288,16 @@ make_subdir(struct directory *parent, const char *name)
 
 	directory = directory_get_child(parent, name);
 	if (directory == NULL) {
-		char path[MPD_PATH_MAX];
+		char *path;
 
 		if (directory_is_root(parent))
-			strcpy(path, name);
+			path = NULL;
 		else
-			pfx_dir(path, name, strlen(name),
-				directory_get_path(parent),
-				strlen(directory_get_path(parent)));
+			name = path = g_strconcat(directory_get_path(parent),
+						  "/", name, NULL);
 
-		directory = directory_new_child(parent, path);
+		directory = directory_new_child(parent, name);
+		g_free(path);
 	}
 
 	return directory;