claunia/libcdio-osx
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* Better drive detection for Linux

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* cdio_add_device_list() now adds devices with symlinks only once
This commit is contained in:
gmerlin
2006-11-27 19:31:37 +00:00
parent d5fc70594a
commit efc2151bc1
5 changed files with 82 additions and 73 deletions
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39
lib/driver/util.c
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@@ -1,5 +1,5 @@
/*
$Id: util.c,v 1.3 2006/03/18 00:53:20 rocky Exp $
$Id: util.c,v 1.4 2006/11/27 19:31:37 gmerlin Exp $
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>
Copyright (C) 2003, 2004, 2005 Rocky Bernstein <rocky@panix.com>
@@ -27,6 +27,11 @@
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#ifdef HAVE_UNISTD_H // readlink
#include <unistd.h>
#endif
#ifdef HAVE_INTTYPES_H
#include "inttypes.h"
@@ -36,7 +41,7 @@
#include <cdio/types.h>
#include <cdio/util.h>
static const char _rcsid[] = "$Id: util.c,v 1.3 2006/03/18 00:53:20 rocky Exp $";
static const char _rcsid[] = "$Id: util.c,v 1.4 2006/11/27 19:31:37 gmerlin Exp $";
size_t
_cdio_strlenv(char **str_array)
@@ -145,6 +150,36 @@ cdio_from_bcd8(uint8_t p)
return (0xf & p)+(10*(p >> 4));
}
/*!
Follow symlinks until we have the real device file
(idea taken from libunieject).
*/
void cdio_follow_symlink (const char * src, char * dst) {
#ifdef HAVE_READLINK
char tmp_src[PATH_MAX];
char tmp_dst[PATH_MAX];
int len;
strcpy(tmp_src, src);
while(1) {
len = readlink(tmp_src, tmp_dst, PATH_MAX);
if(len < 0) {
strcpy(dst, tmp_src);
return;
}
else {
tmp_dst[len] = '\0';
strcpy(tmp_src, tmp_dst);
}
}
#else
strcpy(dst, src);
#endif
}
/*
* Local variables: