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update: eliminated addSubDirectoryToDirectory()

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In updateInDirectory(), add new directories immediately and
delete them when they turn out to be empty.  This simplifies the code
and allows us to eliminate addSubDirectoryToDirectory().
This commit is contained in:
Max Kellermann 2008-10-09 19:17:25 +02:00
parent 9604f88fe7
commit 84b52265a6
1 changed files with 8 additions and 27 deletions
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35
src/update.c
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@ -229,23 +229,6 @@ inodeFoundInParent(struct directory *parent, ino_t inode, dev_t device)
static enum update_return
updateDirectory(struct directory *directory, const struct stat *st);
static enum update_return
addSubDirectoryToDirectory(struct directory *directory,
const char *name, const struct stat *st)
{
struct directory *subDirectory;
subDirectory = directory_new(name, directory);
if (updateDirectory(subDirectory, st) != UPDATE_RETURN_UPDATED) {
directory_free(subDirectory);
return UPDATE_RETURN_NOUPDATE;
}
dirvec_add(&directory->children, subDirectory);
return UPDATE_RETURN_UPDATED;
}
static enum update_return
updateInDirectory(struct directory *directory,
const char *name, const struct stat *st)
@ -270,24 +253,22 @@ updateInDirectory(struct directory *directory,
}
} else if (S_ISDIR(st->st_mode)) {
struct directory *subdir;
enum update_return ret;
if (inodeFoundInParent(directory, st->st_ino, st->st_dev))
return UPDATE_RETURN_ERROR;
subdir = directory_get_child(directory, name);
if (subdir) {
enum update_return ret;
if (subdir == NULL)
subdir = directory_new_child(directory, name);
assert(directory == subdir->parent);
assert(directory == subdir->parent);
ret = updateDirectory(subdir, st);
if (ret == UPDATE_RETURN_ERROR)
delete_directory(subdir);
ret = updateDirectory(subdir, st);
if (ret == UPDATE_RETURN_ERROR || directory_is_empty(subdir))
delete_directory(subdir);
return ret;
} else {
return addSubDirectoryToDirectory(directory, name, st);
}
return ret;
}
DEBUG("update: %s is not a directory or music\n", name);