2 * Copyright (C) 2005-2007 Andre Noll <maan@systemlinux.org>
4 * Licensed under the GPL v2. For licencing details see COPYING.
8 /** \file afs_common.c Functions common to all audio file selectors. */
10 #include <sys/types.h>
16 #include "server.cmdline.h"
20 #include <dirent.h> /* readdir() */
21 #include <sys/stat.h> /* stat */
22 #include <sys/types.h> /* mode_t */
27 * Traverse the given directory recursively.
29 * \param dirname The directory to traverse.
30 * \param f The function to call for each entry.
32 * For each regular file whose filename ends in .yyy, where yyy is a supported
33 * audio format, the supplied function \a f is called. The directory and
34 * filename component of the regular file are passed to \a f.
36 * \return On success, 1 is returned. Otherwise, this function returns a
37 * negative value which indicates the kind of the error.
39 int find_audio_files(const char *dirname
, int (*f
)(const char *, const char *))
42 int ret
, ret2
, cwd_fd
;
45 ret
= para_opendir(dirname
, &dir
, &cwd_fd
);
48 /* scan cwd recursively */
49 while ((entry
= readdir(dir
))) {
54 if (!strcmp(entry
->d_name
, "."))
56 if (!strcmp(entry
->d_name
, ".."))
59 if (lstat(entry
->d_name
, &s
) == -1)
62 if (!S_ISREG(m
) && !S_ISDIR(m
)) /* skip links, sockets, ... */
64 if (S_ISREG(m
)) { /* regular file */
65 if (guess_audio_format(entry
->d_name
) < 0)
67 ret
= f(dirname
, entry
->d_name
);
73 tmp
= make_message("%s/%s", dirname
, entry
->d_name
);
74 ret
= find_audio_files(tmp
, f
);
83 ret2
= fchdir(cwd_fd
);
84 if (ret2
< 0 && ret
>= 0)
88 PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret
));