Trim down peak calculation a bit.
[kugel-rb.git] / firmware / common / filefuncs.c
blobca9113250af51ae618f6cda75a8581112330d929
1 /***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
10 * Copyright (C) 2002 by Björn Stenberg
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
21 #include "config.h"
22 #include "dir.h"
23 #include "stdlib.h"
24 #include "string.h"
26 #ifdef HAVE_MULTIVOLUME
27 /* returns on which volume this is, and copies the reduced name
28 (sortof a preprocessor for volume-decorated pathnames) */
29 int strip_volume(const char* name, char* namecopy)
31 int volume = 0;
32 const char *temp = name;
34 while (*temp == '/') /* skip all leading slashes */
35 ++temp;
37 if (*temp && !strncmp(temp, VOL_NAMES, VOL_ENUM_POS))
39 temp += VOL_ENUM_POS; /* behind special name */
40 volume = atoi(temp); /* number is following */
41 temp = strchr(temp, '/'); /* search for slash behind */
42 if (temp != NULL)
43 name = temp; /* use the part behind the volume */
44 else
45 name = "/"; /* else this must be the root dir */
48 strlcpy(namecopy, name, MAX_PATH);
50 return volume;
52 #endif /* #ifdef HAVE_MULTIVOLUME */