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Commit 71b33260 authored by Eric Wong's avatar Eric Wong Committed by Max Kellermann
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directory: remove shortname arguments everywhere

It was a huge confusing mess of parameter passing around and around. Add a few extra assertions to ensure we're handling parent/child relationships properly.
parent 8bb96d46
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Showing with 41 additions and 80 deletions
src/directory.c
View file @ 71b33260
......@@ -62,8 +62,7 @@ static pthread_t update_thr;
static int directory_updateJobId;
static enum update_return
addToDirectory(Directory * directory,
const char *shortname, const char *name);
addToDirectory(Directory * directory, const char *name);
static void freeDirectory(Directory * directory);
......@@ -77,17 +76,10 @@ static void removeSongFromDirectory(Directory * directory,
const char *shortname);
static enum update_return addSubDirectoryToDirectory(Directory * directory,
const char *shortname,
const char *name, struct stat *st);
static Directory *getDirectoryDetails(const char *name,
const char **shortname);
static Directory *getDirectory(const char *name);
static Song *getSongDetails(const char *file, const char **shortnameRet,
Directory ** directoryRet);
static enum update_return updatePath(const char *utf8path);
static void sortDirectory(Directory * directory);
......@@ -235,8 +227,8 @@ static void deleteEmptyDirectoriesInDirectory(Directory * directory)
dirvec_destroy(dv);
}
static enum update_return updateInDirectory(Directory * directory,
const char *shortname, const char *name)
static enum update_return
updateInDirectory(Directory * directory, const char *name)
{
Song *song;
struct stat st;
......@@ -245,8 +237,10 @@ static enum update_return updateInDirectory(Directory * directory,
return UPDATE_RETURN_ERROR;
if (S_ISREG(st.st_mode) && hasMusicSuffix(name, 0)) {
const char *shortname = mpd_basename(name);
if (!(song = songvec_find(&directory->songs, shortname))) {
addToDirectory(directory, shortname, name);
addToDirectory(directory, name);
return UPDATE_RETURN_UPDATED;
} else if (st.st_mtime != song->mtime) {
LOG("updating %s\n", name);
......@@ -257,11 +251,11 @@ static enum update_return updateInDirectory(Directory * directory,
} else if (S_ISDIR(st.st_mode)) {
Directory *subdir = dirvec_find(&directory->children, name);
if (subdir) {
assert(directory == subdir->parent);
directory_set_stat(subdir, &st);
return updateDirectory(subdir);
} else {
return addSubDirectoryToDirectory(directory, shortname,
name, &st);
return addSubDirectoryToDirectory(directory, name, &st);
}
}
......@@ -311,8 +305,7 @@ removeDeletedFromDirectory(char *path_max_tmp, Directory * directory)
return ret;
}
static Directory *addDirectoryPathToDB(const char *utf8path,
const char **shortname)
static Directory *addDirectoryPathToDB(const char *utf8path)
{
char path_max_tmp[MPD_PATH_MAX];
char *parent;
......@@ -324,16 +317,14 @@ static Directory *addDirectoryPathToDB(const char *utf8path,
if (strlen(parent) == 0)
parentDirectory = (void *)mp3rootDirectory;
else
parentDirectory = addDirectoryPathToDB(parent, shortname);
parentDirectory = addDirectoryPathToDB(parent);
if (!parentDirectory)
return NULL;
*shortname = utf8path + strlen(parent);
while (*(*shortname) && *(*shortname) == '/')
(*shortname)++;
if (!(directory = dirvec_find(&parentDirectory->children, utf8path))) {
if ((directory = dirvec_find(&parentDirectory->children, utf8path))) {
assert(parentDirectory == directory->parent);
} else {
struct stat st;
if (myStat(utf8path, &st) < 0 ||
inodeFoundInParent(parentDirectory, st.st_ino, st.st_dev))
......@@ -346,12 +337,12 @@ static Directory *addDirectoryPathToDB(const char *utf8path,
/* if we're adding directory paths, make sure to delete filenames
with potentially the same name */
removeSongFromDirectory(parentDirectory, *shortname);
removeSongFromDirectory(parentDirectory, mpd_basename(directory->path));
return directory;
}
static Directory *addParentPathToDB(const char *utf8path, const char **shortname)
static Directory *addParentPathToDB(const char *utf8path)
{
char *parent;
char path_max_tmp[MPD_PATH_MAX];
......@@ -362,15 +353,11 @@ static Directory *addParentPathToDB(const char *utf8path, const char **shortname
if (strlen(parent) == 0)
parentDirectory = (void *)mp3rootDirectory;
else
parentDirectory = addDirectoryPathToDB(parent, shortname);
parentDirectory = addDirectoryPathToDB(parent);
if (!parentDirectory)
return NULL;
*shortname = utf8path + strlen(parent);
while (*(*shortname) && *(*shortname) == '/')
(*shortname)++;
return (Directory *) parentDirectory;
}
......@@ -379,7 +366,6 @@ static enum update_return updatePath(const char *utf8path)
Directory *directory;
Directory *parentDirectory;
Song *song;
const char *shortname;
char *path = sanitizePathDup(utf8path);
time_t mtime;
enum update_return ret = UPDATE_RETURN_NOUPDATE;
......@@ -389,7 +375,7 @@ static enum update_return updatePath(const char *utf8path)
return UPDATE_RETURN_ERROR;
/* if path is in the DB try to update it, or else delete it */
if ((directory = getDirectoryDetails(path, &shortname))) {
if ((directory = getDirectory(path))) {
parentDirectory = directory->parent;
/* if this update directory is successfull, we are done */
......@@ -411,17 +397,17 @@ static enum update_return updatePath(const char *utf8path)
ret = UPDATE_RETURN_UPDATED;
/* don't return, path maybe a song now */
}
} else if ((song = getSongDetails(path, &shortname, &parentDirectory))) {
} else if ((song = getSongFromDB(path))) {
parentDirectory = song->parentDir;
if (!parentDirectory->stat
&& statDirectory(parentDirectory) < 0) {
free(path);
return UPDATE_RETURN_NOUPDATE;
}
/* if this song update is successfull, we are done */
else if (0 == inodeFoundInParent(parentDirectory->parent,
/* if this song update is successful, we are done */
else if (!inodeFoundInParent(parentDirectory->parent,
parentDirectory->inode,
parentDirectory->device)
&& song &&
parentDirectory->device) &&
isMusic(get_song_url(path_max_tmp, song), &mtime, 0)) {
free(path);
if (song->mtime == mtime)
......@@ -430,13 +416,13 @@ static enum update_return updatePath(const char *utf8path)
return UPDATE_RETURN_UPDATED;
else {
removeSongFromDirectory(parentDirectory,
shortname);
song->url);
return UPDATE_RETURN_UPDATED;
}
}
/* if updateDirectory fails, means we should delete it */
else {
removeSongFromDirectory(parentDirectory, shortname);
removeSongFromDirectory(parentDirectory, song->url);
ret = UPDATE_RETURN_UPDATED;
/* don't return, path maybe a directory now */
}
......@@ -447,13 +433,13 @@ static enum update_return updatePath(const char *utf8path)
* name or vice versa, we need to add it to the db
*/
if (isDir(path) || isMusic(path, NULL, 0)) {
parentDirectory = addParentPathToDB(path, &shortname);
parentDirectory = addParentPathToDB(path);
if (!parentDirectory || (!parentDirectory->stat &&
statDirectory(parentDirectory) < 0)) {
} else if (0 == inodeFoundInParent(parentDirectory->parent,
parentDirectory->inode,
parentDirectory->device)
&& addToDirectory(parentDirectory, shortname, path)
&& addToDirectory(parentDirectory, path)
== UPDATE_RETURN_UPDATED) {
ret = UPDATE_RETURN_UPDATED;
}
......@@ -506,7 +492,7 @@ static enum update_return updateDirectory(Directory * directory)
if (directory->path)
utf8 = pfx_dir(path_max_tmp, utf8, strlen(utf8),
dirname, strlen(dirname));
if (updateInDirectory(directory, utf8, path_max_tmp) > 0)
if (updateInDirectory(directory, path_max_tmp) > 0)
ret = UPDATE_RETURN_UPDATED;
}
......@@ -545,7 +531,7 @@ static enum update_return exploreDirectory(Directory * directory)
if (directory->path)
utf8 = pfx_dir(path_max_tmp, utf8, strlen(utf8),
dirname, strlen(dirname));
if (addToDirectory(directory, utf8, path_max_tmp) ==
if (addToDirectory(directory, path_max_tmp) ==
UPDATE_RETURN_UPDATED)
ret = UPDATE_RETURN_UPDATED;
}
......@@ -583,7 +569,6 @@ static int inodeFoundInParent(Directory * parent, ino_t inode, dev_t device)
}
static enum update_return addSubDirectoryToDirectory(Directory * directory,
mpd_unused const char *shortname,
const char *name, struct stat *st)
{
Directory *subDirectory;
......@@ -605,8 +590,7 @@ static enum update_return addSubDirectoryToDirectory(Directory * directory,
}
static enum update_return
addToDirectory(Directory * directory,
const char *shortname, const char *name)
addToDirectory(Directory * directory, const char *name)
{
struct stat st;
......@@ -617,15 +601,16 @@ addToDirectory(Directory * directory,
if (S_ISREG(st.st_mode) &&
hasMusicSuffix(name, 0) && isMusic(name, NULL, 0)) {
Song *song = newSong(shortname, SONG_TYPE_FILE, directory);
if (!song)
return UPDATE_RETURN_ERROR;
Song *song;
const char *shortname = mpd_basename(name);
if (!(song = newSong(shortname, SONG_TYPE_FILE, directory)))
return -1;
songvec_add(&directory->songs, song);
LOG("added %s\n", name);
return UPDATE_RETURN_UPDATED;
} else if (S_ISDIR(st.st_mode)) {
return addSubDirectoryToDirectory(directory, shortname, name,
&st);
return addSubDirectoryToDirectory(directory, name, &st);
}
DEBUG("addToDirectory: %s is not a directory or music\n", name);
......@@ -646,8 +631,7 @@ int isRootDirectory(const char *name)
return 0;
}
static Directory *getSubDirectory(Directory * directory, const char *name,
const char **shortname)
static Directory *getSubDirectory(Directory * directory, const char *name)
{
Directory *cur = directory;
Directory *found = NULL;
......@@ -664,6 +648,7 @@ static Directory *getSubDirectory(Directory * directory, const char *name,
*locate = '\0';
if (!(found = dirvec_find(&cur->children, duplicated)))
break;
assert(cur == found->parent);
cur = found;
if (!locate)
break;
......@@ -673,24 +658,12 @@ static Directory *getSubDirectory(Directory * directory, const char *name,
free(duplicated);
if (found && (!(*shortname = strrchr(found->path, '/'))))
*shortname = found->path;
return found;
}
static Directory *getDirectoryDetails(const char *name, const char **shortname)
{
*shortname = NULL;
return getSubDirectory(mp3rootDirectory, name, shortname);
}
static Directory *getDirectory(const char *name)
{
const char *shortname;
return getSubDirectory(mp3rootDirectory, name, &shortname);
return getSubDirectory(mp3rootDirectory, name);
}
static int printDirectoryList(struct client *client, struct dirvec *dv)
......@@ -736,10 +709,7 @@ static void writeDirectoryInfo(FILE * fp, Directory * directory)
for (i = 0; i < children->nr; ++i) {
Directory *cur = children->base[i];
const char *base = strrchr(cur->path, '/');
base = base ? base + 1 : cur->path;
assert(*base);
const char *base = mpd_basename(cur->path);
retv = fprintf(fp, DIRECTORY_DIR "%s\n", base);
if (retv < 0) {
......@@ -1045,8 +1015,7 @@ void initMp3Directory(void)
stats.dbPlayTime = sumSongTimesIn(NULL);
}
static Song *getSongDetails(const char *file, const char **shortnameRet,
Directory ** directoryRet)
Song *getSongFromDB(const char *file)
{
Song *song = NULL;
Directory *directory;
......@@ -1068,21 +1037,13 @@ static Song *getSongDetails(const char *file, const char **shortnameRet,
goto out;
if (!(song = songvec_find(&directory->songs, shortname)))
goto out;
assert(song->parentDir == directory);
if (shortnameRet)
*shortnameRet = song->url;
if (directoryRet)
*directoryRet = directory;
out:
free(duplicated);
return song;
}
Song *getSongFromDB(const char *file)
{
return getSongDetails(file, NULL, NULL);
}
time_t getDbModTime(void)
{
return directory_dbModTime;
......
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