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authorMax Kellermann <max@duempel.org>2009-01-08 21:20:46 +0100
committerMax Kellermann <max@duempel.org>2009-01-08 21:20:46 +0100
commit5ed5aa99acb6b8360df75bb1ce13d4b97ea50538 (patch)
tree518a01dabc3c9652fdbb090eb4e8fd97ed725729 /src
parentf0980283bcce8ad7819f71bc49b973e28e54b22d (diff)
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path: allocate buffer in fs_charset conversion functions
Don't use fixed static buffers. GLib allocates a new string for us anyway, let's just return this one instead of copying it.
Diffstat (limited to '')
-rw-r--r--src/mapper.c33
-rw-r--r--src/path.c29
-rw-r--r--src/path.h14
-rw-r--r--src/playlist_save.c11
-rw-r--r--src/stored_playlist.c6
-rw-r--r--src/update.c8
6 files changed, 55 insertions, 46 deletions
diff --git a/src/mapper.c b/src/mapper.c
index bbcc220e3..6583e1c54 100644
--- a/src/mapper.c
+++ b/src/mapper.c
@@ -91,16 +91,19 @@ void mapper_finish(void)
char *
map_uri_fs(const char *uri)
{
- char buffer[MPD_PATH_MAX];
+ char *uri_fs, *path_fs;
assert(uri != NULL);
assert(*uri != '/');
- uri = utf8_to_fs_charset(buffer, uri);
- if (uri == NULL)
+ uri_fs = utf8_to_fs_charset(uri);
+ if (uri_fs == NULL)
return NULL;
- return g_build_filename(music_dir, uri, NULL);
+ path_fs = g_build_filename(music_dir, uri_fs, NULL);
+ g_free(uri_fs);
+
+ return path_fs;
}
char *
@@ -116,8 +119,7 @@ map_directory_fs(const struct directory *directory)
char *
map_directory_child_fs(const struct directory *directory, const char *name)
{
- char buffer[MPD_PATH_MAX];
- char *parent_fs, *path;
+ char *name_fs, *parent_fs, *path;
/* check for invalid or unauthorized base names */
if (*name == 0 || strchr(name, '/') != NULL ||
@@ -128,30 +130,33 @@ map_directory_child_fs(const struct directory *directory, const char *name)
if (parent_fs == NULL)
return NULL;
- name = utf8_to_fs_charset(buffer, name);
- path = g_build_filename(parent_fs, name, NULL);
+ name_fs = utf8_to_fs_charset(name);
+ if (name_fs == NULL) {
+ g_free(parent_fs);
+ return NULL;
+ }
+
+ path = g_build_filename(parent_fs, name_fs, NULL);
g_free(parent_fs);
+ g_free(name_fs);
+
return path;
}
char *
map_song_fs(const struct song *song)
{
- char buffer[MPD_PATH_MAX];
-
assert(song_is_file(song));
if (song_in_database(song))
return map_directory_child_fs(song->parent, song->url);
else
- return g_strdup(utf8_to_fs_charset(buffer, song->url));
+ return utf8_to_fs_charset(song->url);
}
char *
map_fs_to_utf8(const char *path_fs)
{
- char buffer[MPD_PATH_MAX];
-
if (strncmp(path_fs, music_dir, music_dir_length) == 0 &&
path_fs[music_dir_length] == '/')
/* remove musicDir prefix */
@@ -160,7 +165,7 @@ map_fs_to_utf8(const char *path_fs)
/* not within musicDir */
return NULL;
- return g_strdup(fs_charset_to_utf8(buffer, path_fs));
+ return fs_charset_to_utf8(path_fs);
}
const char *
diff --git a/src/path.c b/src/path.c
index 88ac9382e..fe602a15f 100644
--- a/src/path.c
+++ b/src/path.c
@@ -29,36 +29,27 @@
static char *fs_charset;
-char *fs_charset_to_utf8(char *dst, const char *str)
+char *
+fs_charset_to_utf8(const char *path_fs)
{
- gchar *p;
-
- p = g_convert(str, -1,
- "utf-8", fs_charset,
- NULL, NULL, NULL);
- if (p == NULL)
- /* no fallback */
- return NULL;
-
- g_strlcpy(dst, p, MPD_PATH_MAX);
- g_free(p);
- return dst;
+ return g_convert(path_fs, -1,
+ "utf-8", fs_charset,
+ NULL, NULL, NULL);
}
-char *utf8_to_fs_charset(char *dst, const char *str)
+char *
+utf8_to_fs_charset(const char *path_utf8)
{
gchar *p;
- p = g_convert(str, -1,
+ p = g_convert(path_utf8, -1,
fs_charset, "utf-8",
NULL, NULL, NULL);
if (p == NULL)
/* fall back to UTF-8 */
- return strcpy(dst, str);
+ p = g_strdup(path_utf8);
- g_strlcpy(dst, p, MPD_PATH_MAX);
- g_free(p);
- return dst;
+ return p;
}
void path_set_fs_charset(const char *charset)
diff --git a/src/path.h b/src/path.h
index 3bb088b5f..1dbdd7820 100644
--- a/src/path.h
+++ b/src/path.h
@@ -36,9 +36,19 @@ void path_global_init(void);
void path_global_finish(void);
-char *fs_charset_to_utf8(char *dst, const char *str);
+/**
+ * Converts a file name in the filesystem charset to UTF-8. Returns
+ * NULL on failure.
+ */
+char *
+fs_charset_to_utf8(const char *path_fs);
-char *utf8_to_fs_charset(char *dst, const char *str);
+/**
+ * Converts a file name in UTF-8 to the filesystem charset. Returns a
+ * duplicate of the UTF-8 string on failure.
+ */
+char *
+utf8_to_fs_charset(const char *path_utf8);
void path_set_fs_charset(const char *charset);
diff --git a/src/playlist_save.c b/src/playlist_save.c
index 054ba73f4..0913fcd09 100644
--- a/src/playlist_save.c
+++ b/src/playlist_save.c
@@ -36,27 +36,26 @@ playlist_print_song(FILE *file, const struct song *song)
g_free(path);
}
} else {
- char *uri = song_get_uri(song);
- char tmp2[MPD_PATH_MAX];
+ char *uri = song_get_uri(song), *uri_fs;
- utf8_to_fs_charset(tmp2, uri);
+ uri_fs = utf8_to_fs_charset(uri);
g_free(uri);
- fprintf(file, "%s\n", uri);
+ fprintf(file, "%s\n", uri_fs);
+ g_free(uri_fs);
}
}
void
playlist_print_uri(FILE *file, const char *uri)
{
- char tmp[MPD_PATH_MAX];
char *s;
if (playlist_saveAbsolutePaths && !uri_has_scheme(uri) &&
uri[0] != '/')
s = map_uri_fs(uri);
else
- s = g_strdup(utf8_to_fs_charset(tmp, uri));
+ s = utf8_to_fs_charset(uri);
if (s != NULL) {
fprintf(file, "%s\n", s);
diff --git a/src/stored_playlist.c b/src/stored_playlist.c
index a503c2841..e6fdf944a 100644
--- a/src/stored_playlist.c
+++ b/src/stored_playlist.c
@@ -37,7 +37,7 @@ 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], *path_fs, *name, *name_utf8;
+ char *path_fs, *name, *name_utf8;
int ret;
struct stat st;
struct stored_playlist_info *playlist;
@@ -60,13 +60,13 @@ load_playlist_info(const char *parent_path_fs, const char *name_fs)
name = g_strdup(name_fs);
name[name_length - sizeof(PLAYLIST_FILE_SUFFIX)] = 0;
- name_utf8 = fs_charset_to_utf8(buffer, name);
+ name_utf8 = fs_charset_to_utf8(name);
g_free(name);
if (name_utf8 == NULL)
return NULL;
playlist = g_new(struct stored_playlist_info, 1);
- playlist->name = g_strdup(name_utf8);
+ playlist->name = name_utf8;
playlist->mtime = st.st_mtime;
return playlist;
}
diff --git a/src/update.c b/src/update.c
index 691f533b5..c2a6296cd 100644
--- a/src/update.c
+++ b/src/update.c
@@ -545,15 +545,19 @@ updateDirectory(struct directory *directory, const struct stat *st)
if (skip_path(ent->d_name))
continue;
- utf8 = fs_charset_to_utf8(path_max_tmp, ent->d_name);
- if (utf8 == NULL || skip_symlink(directory, utf8))
+ utf8 = fs_charset_to_utf8(ent->d_name);
+ if (utf8 == NULL || skip_symlink(directory, utf8)) {
+ g_free(utf8);
continue;
+ }
if (stat_directory_child(directory, utf8, &st2) == 0)
updateInDirectory(directory,
path_max_tmp, &st2);
else
delete_name_in(directory, path_max_tmp);
+
+ g_free(utf8);
}
closedir(dir);