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authorMax Kellermann <max@duempel.org>2009-03-02 15:42:42 +0100
committerMax Kellermann <max@duempel.org>2009-03-02 15:42:42 +0100
commita1561252d0621fbd74dd6eb9be0de28a5b512c1f (patch)
tree809fd78999e0721a1dbcef1cb7a890a71da0f0e5
parentc0ffec2fd1add50dae44c9e73a3c47d7d3998d15 (diff)
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directory: directory_load() returns GError
Do error reporting with GLib's GError library in this library, too.
Diffstat (limited to '')
-rw-r--r--src/database.c6
-rw-r--r--src/directory_save.c59
-rw-r--r--src/directory_save.h7
3 files changed, 53 insertions, 19 deletions
diff --git a/src/database.c b/src/database.c
index 814811454..e25461c33 100644
--- a/src/database.c
+++ b/src/database.c
@@ -282,6 +282,7 @@ db_load(GError **error)
struct stat st;
char buffer[100];
bool found_charset = false, found_version = false;
+ bool success;
assert(database_path != NULL);
assert(music_root != NULL);
@@ -357,9 +358,12 @@ db_load(GError **error)
g_debug("reading DB");
- directory_load(fp, music_root);
+ success = directory_load(fp, music_root, error);
while (fclose(fp) && errno == EINTR) ;
+ if (!success)
+ return false;
+
stats_update();
if (stat(database_path, &st) == 0)
diff --git a/src/directory_save.c b/src/directory_save.c
index b009b1ef5..99ec6216c 100644
--- a/src/directory_save.c
+++ b/src/directory_save.c
@@ -19,12 +19,9 @@
#include "directory_save.h"
#include "directory.h"
#include "song.h"
-#include "log.h"
#include "path.h"
#include "song_save.h"
-#include <glib.h>
-
#include <assert.h>
#include <string.h>
@@ -32,6 +29,15 @@
#define DIRECTORY_BEGIN "begin: "
#define DIRECTORY_END "end: "
+/**
+ * The quark used for GError.domain.
+ */
+static inline GQuark
+directory_quark(void)
+{
+ return g_quark_from_static_string("directory");
+}
+
/* TODO error checking */
int
directory_save(FILE *fp, struct directory *directory)
@@ -71,12 +77,13 @@ directory_save(FILE *fp, struct directory *directory)
return 0;
}
-void
-directory_load(FILE *fp, struct directory *directory)
+bool
+directory_load(FILE *fp, struct directory *directory, GError **error)
{
char buffer[MPD_PATH_MAX * 2];
char key[MPD_PATH_MAX * 2];
char *name;
+ bool success;
while (fgets(buffer, sizeof(buffer), fp)
&& !g_str_has_prefix(buffer, DIRECTORY_END)) {
@@ -85,25 +92,38 @@ directory_load(FILE *fp, struct directory *directory)
g_strchomp(buffer);
strcpy(key, &(buffer[strlen(DIRECTORY_DIR)]));
- if (!fgets(buffer, sizeof(buffer), fp))
- FATAL("Error reading db, fgets\n");
+ if (!fgets(buffer, sizeof(buffer), fp)) {
+ g_set_error(error, directory_quark(), 0,
+ "Unexpected end of file");
+ return false;
+ }
if (g_str_has_prefix(buffer, DIRECTORY_MTIME)) {
directory->mtime =
g_ascii_strtoull(buffer + sizeof(DIRECTORY_MTIME) - 1,
NULL, 10);
- if (!fgets(buffer, sizeof(buffer), fp))
- FATAL("Error reading db, fgets\n");
+ if (!fgets(buffer, sizeof(buffer), fp)) {
+ g_set_error(error, directory_quark(), 0,
+ "Unexpected end of file");
+ return false;
+ }
+ }
+
+ if (!g_str_has_prefix(buffer, DIRECTORY_BEGIN)) {
+ g_set_error(error, directory_quark(), 0,
+ "Malformed line: %s", buffer);
+ return false;
}
- if (!g_str_has_prefix(buffer, DIRECTORY_BEGIN))
- FATAL("Error reading db at line: %s\n", buffer);
g_strchomp(buffer);
name = &(buffer[strlen(DIRECTORY_BEGIN)]);
- if (!g_str_has_prefix(name, directory->path) != 0)
- FATAL("Wrong path in database: '%s' in '%s'\n",
- name, directory->path);
+ if (!g_str_has_prefix(name, directory->path) != 0) {
+ g_set_error(error, directory_quark(), 0,
+ "Wrong path in database: '%s' in '%s'",
+ name, directory->path);
+ return false;
+ }
subdir = directory_get_child(directory, name);
if (subdir != NULL) {
@@ -112,11 +132,18 @@ directory_load(FILE *fp, struct directory *directory)
subdir = directory_new(name, directory);
dirvec_add(&directory->children, subdir);
}
- directory_load(fp, subdir);
+
+ success = directory_load(fp, subdir, error);
+ if (!success)
+ return false;
} else if (g_str_has_prefix(buffer, SONG_BEGIN)) {
readSongInfoIntoList(fp, &directory->songs, directory);
} else {
- FATAL("Unknown line in db: %s\n", buffer);
+ g_set_error(error, directory_quark(), 0,
+ "Malformed line: %s", buffer);
+ return false;
}
}
+
+ return true;
}
diff --git a/src/directory_save.h b/src/directory_save.h
index 54143915c..480d0ab9f 100644
--- a/src/directory_save.h
+++ b/src/directory_save.h
@@ -19,6 +19,9 @@
#ifndef MPD_DIRECTORY_SAVE_H
#define MPD_DIRECTORY_SAVE_H
+#include <glib.h>
+
+#include <stdbool.h>
#include <stdio.h>
struct directory;
@@ -26,7 +29,7 @@ struct directory;
int
directory_save(FILE *fp, struct directory *directory);
-void
-directory_load(FILE *fp, struct directory *directory);
+bool
+directory_load(FILE *fp, struct directory *directory, GError **error);
#endif