+++ /dev/null
-/*
- * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- */
-
-
-/** \file db.c functions common to all audio file selectors */
-
-#include "server.cmdline.h"
-#include "server.h"
-#include "vss.h"
-#include <dirent.h> /* readdir() */
-#include <sys/stat.h> /* stat */
-#include <sys/types.h> /* mode_t */
-#include "error.h"
-#include "string.h"
-
-/**
- * traverse the given directory recursively
- *
- * @param dirname the directory to traverse
- * @param f: the function to call for each entry.
- *
- * for each regular file whose filename ends in .yyy, where yyy is a supported
- * audio format, the supplied function \a f is called. The directory and
- * filename component of the regular file are passed to \a f.
- *
- * \return On success, 1 is returned. Otherwise, this function returns a
- * negative value which indicates the kind of the error.
- */
-int find_audio_files(const char *dirname, int (*f)(const char *, const char *))
-{
- DIR *dir = NULL;
- struct dirent *entry;
- /*
- * Opening the current directory (".") and calling fchdir() to return
- * is usually faster and more reliable than saving cwd in some buffer
- * and calling chdir() afterwards (see man 3 getcwd).
- */
- int cwd_fd = open(".", O_RDONLY);
- struct stat s;
- int ret = -1;
-
-// PARA_DEBUG_LOG("dirname: %s\n", dirname);
- if (cwd_fd < 0)
- return -E_GETCWD;
- ret = -E_CHDIR;
- if (chdir(dirname) < 0)
- goto out;
- ret = -E_OPENDIR;
- dir = opendir(".");
- if (!dir)
- goto out;
- /* scan cwd recursively */
- while ((entry = readdir(dir))) {
- mode_t m;
- char *tmp;
-
- if (!strcmp(entry->d_name, "."))
- continue;
- if (!strcmp(entry->d_name, ".."))
- continue;
- ret = -E_LSTAT;
- if (lstat(entry->d_name, &s) == -1)
- continue;
- m = s.st_mode;
- if (!S_ISREG(m) && !S_ISDIR(m)) /* skip links, sockets, ... */
- continue;
- if (S_ISREG(m)) { /* regular file */
- if (guess_audio_format(entry->d_name) < 0)
- continue;
- ret = f(dirname, entry->d_name);
- if (ret < 0)
- goto out;
- continue;
- }
- /* directory */
- tmp = make_message("%s/%s", dirname, entry->d_name);
- ret = find_audio_files(tmp, f);
- free(tmp);
- if (ret < 0)
- goto out;
- }
- ret = 1;
-out:
- if (dir)
- closedir(dir);
- if (fchdir(cwd_fd) < 0)
- ret = -E_CHDIR;
- close(cwd_fd);
- if (ret < 0)
- PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
- return ret;
-}