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-rw-r--r--src/storedPlaylist.c125
1 files changed, 51 insertions, 74 deletions
diff --git a/src/storedPlaylist.c b/src/storedPlaylist.c
index 3e846dce9..153a0fcdb 100644
--- a/src/storedPlaylist.c
+++ b/src/storedPlaylist.c
@@ -29,27 +29,22 @@
#include <string.h>
#include <errno.h>
-static unsigned int lengthOfStoredPlaylist(StoredPlaylist *sp)
-{
- return sp->list->numberOfNodes;
-}
-
-static ListNode *nodeOfStoredPlaylist(StoredPlaylist *sp, int index)
+static ListNode *nodeOfStoredPlaylist(List *list, int index)
{
int forward;
ListNode *node;
int i;
- if (index >= lengthOfStoredPlaylist(sp) || index < 0)
+ if (index >= list->numberOfNodes || index < 0)
return NULL;
- if (index > lengthOfStoredPlaylist(sp)/2) {
+ if (index > (list->numberOfNodes/2)) {
forward = 0;
- node = sp->list->lastNode;
- i = lengthOfStoredPlaylist(sp) - 1;
+ node = list->lastNode;
+ i = list->numberOfNodes - 1;
} else {
forward = 1;
- node = sp->list->firstNode;
+ node = list->firstNode;
i = 0;
}
@@ -69,7 +64,7 @@ static ListNode *nodeOfStoredPlaylist(StoredPlaylist *sp, int index)
return NULL;
}
-static int writeStoredPlaylistToPath(StoredPlaylist *sp, const char *fspath)
+static int writeStoredPlaylistToPath(int fd, List *list, const char *fspath)
{
ListNode *node;
FILE *file;
@@ -80,12 +75,12 @@ static int writeStoredPlaylistToPath(StoredPlaylist *sp, const char *fspath)
while (!(file = fopen(fspath, "w")) && errno == EINTR);
if (file == NULL) {
- commandError(sp->fd, ACK_ERROR_NO_EXIST, "could not open file "
+ commandError(fd, ACK_ERROR_NO_EXIST, "could not open file "
"\"%s\": %s", fspath, strerror(errno));
return -1;
}
- node = sp->list->firstNode;
+ node = list->firstNode;
while (node != NULL) {
char path_max_tmp[MPD_PATH_MAX];
@@ -100,40 +95,26 @@ static int writeStoredPlaylistToPath(StoredPlaylist *sp, const char *fspath)
return 0;
}
-static void appendSongToStoredPlaylist(StoredPlaylist *sp, Song *song)
-{
- char path_max_tmp[MPD_PATH_MAX];
-
- get_song_url(path_max_tmp, song);
- insertInListWithoutKey(sp->list, xstrdup(path_max_tmp));
-}
-
-static void initStoredPlaylist(int fd, StoredPlaylist *sp, const char *utf8name)
-{
- utf8_to_fs_playlist_path(sp->fs_path, utf8name);
- sp->list = makeList(DEFAULT_FREE_DATA_FUNC, 0);
- sp->fd = fd;
-}
-
-int loadStoredPlaylist(int fd, StoredPlaylist *sp, const char *utf8path)
+List *loadStoredPlaylist(int fd, const char *utf8path)
{
+ List *list;
FILE *file;
char buffer[MPD_PATH_MAX];
char path_max_tmp[MPD_PATH_MAX];
const size_t musicDir_len = strlen(musicDir);
if (!valid_playlist_name(fd, utf8path))
- return -1;
+ return NULL;
utf8_to_fs_playlist_path(path_max_tmp, utf8path);
while (!(file = fopen(path_max_tmp, "r")) && errno == EINTR);
if (file == NULL) {
commandError(fd, ACK_ERROR_NO_EXIST, "could not open file "
"\"%s\": %s", path_max_tmp, strerror(errno));
- return -1;
+ return NULL;
}
- initStoredPlaylist(fd, sp, utf8path);
+ list = makeList(DEFAULT_FREE_DATA_FUNC, 0);
while (myFgets(buffer, sizeof(buffer), file)) {
char *s = buffer;
@@ -145,61 +126,57 @@ int loadStoredPlaylist(int fd, StoredPlaylist *sp, const char *utf8path)
!strncmp(s, musicDir, musicDir_len))
memmove(s, s + musicDir_len + 1,
strlen(s + musicDir_len + 1) + 1);
- if ((song = getSongFromDB(s)))
- appendSongToStoredPlaylist(sp, song);
- else if (isValidRemoteUtf8Url(s))
- insertInListWithoutKey(sp->list, xstrdup(s));
+ if ((song = getSongFromDB(s))) {
+ get_song_url(path_max_tmp, song);
+ insertInListWithoutKey(list, xstrdup(path_max_tmp));
+ } else if (isValidRemoteUtf8Url(s))
+ insertInListWithoutKey(list, xstrdup(s));
}
while (fclose(file) && errno == EINTR);
- return 0;
-}
-
-void freeStoredPlaylist(StoredPlaylist *sp)
-{
- if (sp->list)
- freeList(sp->list);
+ return list;
}
-static int moveSongInStoredPlaylist(int fd, StoredPlaylist *sp, int src, int dest)
+static int moveSongInStoredPlaylist(int fd, List *list, int src, int dest)
{
ListNode *srcNode, *destNode;
- if (src >= lengthOfStoredPlaylist(sp) || dest >= lengthOfStoredPlaylist(sp) || src < 0 || dest < 0 || src == dest) {
+ if (src >= list->numberOfNodes || dest >= list->numberOfNodes ||
+ src < 0 || dest < 0 || src == dest) {
commandError(fd, ACK_ERROR_ARG, "argument out of range");
return -1;
}
- srcNode = nodeOfStoredPlaylist(sp, src);
+ srcNode = nodeOfStoredPlaylist(list, src);
if (!srcNode)
return -1;
- destNode = nodeOfStoredPlaylist(sp, dest);
+ destNode = nodeOfStoredPlaylist(list, dest);
/* remove src */
if (srcNode->prevNode)
srcNode->prevNode->nextNode = srcNode->nextNode;
else
- sp->list->firstNode = srcNode->nextNode;
+ list->firstNode = srcNode->nextNode;
if (srcNode->nextNode)
srcNode->nextNode->prevNode = srcNode->prevNode;
else
- sp->list->lastNode = srcNode->prevNode;
+ list->lastNode = srcNode->prevNode;
/* this is all a bit complicated - but I tried to
* maintain the same order stuff is moved as in the
* real playlist */
if (dest == 0) {
- sp->list->firstNode->prevNode = srcNode;
- srcNode->nextNode = sp->list->firstNode;
+ list->firstNode->prevNode = srcNode;
+ srcNode->nextNode = list->firstNode;
srcNode->prevNode = NULL;
- sp->list->firstNode = srcNode;
- } else if ((dest + 1) == lengthOfStoredPlaylist(sp)) {
- sp->list->lastNode->nextNode = srcNode;
+ list->firstNode = srcNode;
+ } else if ((dest + 1) == list->numberOfNodes) {
+ list->lastNode->nextNode = srcNode;
srcNode->nextNode = NULL;
- srcNode->prevNode = sp->list->lastNode;
- sp->list->lastNode = srcNode;
+ srcNode->prevNode = list->lastNode;
+ list->lastNode = srcNode;
} else {
if (destNode == NULL) {
/* this shouldn't be happening. */
@@ -225,25 +202,25 @@ static int moveSongInStoredPlaylist(int fd, StoredPlaylist *sp, int src, int des
int moveSongInStoredPlaylistByPath(int fd, const char *utf8path,
int src, int dest)
{
- StoredPlaylist sp;
+ List *list;
- if (loadStoredPlaylist(fd, &sp, utf8path) < 0) {
+ if (!(list = loadStoredPlaylist(fd, utf8path))) {
commandError(fd, ACK_ERROR_UNKNOWN, "could not open playlist");
return -1;
}
- if (moveSongInStoredPlaylist(fd, &sp, src, dest) != 0) {
- freeStoredPlaylist(&sp);
+ if (moveSongInStoredPlaylist(fd, list, src, dest) != 0) {
+ freeList(list);
return -1;
}
- if (writeStoredPlaylistToPath(&sp, utf8path) != 0) {
+ if (writeStoredPlaylistToPath(fd, list, utf8path) != 0) {
commandError(fd, ACK_ERROR_UNKNOWN, "failed to save playlist");
- freeStoredPlaylist(&sp);
+ freeList(list);
return -1;
}
- freeStoredPlaylist(&sp);
+ freeList(list);
return 0;
}
@@ -267,41 +244,41 @@ int removeAllFromStoredPlaylistByPath(int fd, const char *utf8path)
return 0;
}
-static int removeOneSongFromStoredPlaylist(int fd, StoredPlaylist *sp, int pos)
+static int removeOneSongFromStoredPlaylist(int fd, List *list, int pos)
{
- ListNode *node = nodeOfStoredPlaylist(sp, pos);
+ ListNode *node = nodeOfStoredPlaylist(list, pos);
if (!node) {
commandError(fd, ACK_ERROR_ARG,
"could not find song at position");
return -1;
}
- deleteNodeFromList(sp->list, node);
+ deleteNodeFromList(list, node);
return 0;
}
int removeOneSongFromStoredPlaylistByPath(int fd, const char *utf8path, int pos)
{
- StoredPlaylist sp;
+ List *list;
- if (loadStoredPlaylist(fd, &sp, utf8path) < 0) {
+ if (!(list = loadStoredPlaylist(fd, utf8path))) {
commandError(fd, ACK_ERROR_UNKNOWN, "could not open playlist");
return -1;
}
- if (removeOneSongFromStoredPlaylist(fd, &sp, pos) != 0) {
- freeStoredPlaylist(&sp);
+ if (removeOneSongFromStoredPlaylist(fd, list, pos) != 0) {
+ freeList(list);
return -1;
}
- if (writeStoredPlaylistToPath(&sp, utf8path) != 0) {
+ if (writeStoredPlaylistToPath(fd, list, utf8path) != 0) {
commandError(fd, ACK_ERROR_UNKNOWN, "failed to save playlist");
- freeStoredPlaylist(&sp);
+ freeList(list);
return -1;
}
- freeStoredPlaylist(&sp);
+ freeList(list);
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 03:43:17 +0000