190 lines
3.2 KiB
C
190 lines
3.2 KiB
C
|
/*
|
|||
|
|
$Id: util.c,v 1.6 2008/04/22 15:29:12 karl Exp $
|
|||
|
|
|
|||
|
|
Copyright (C) 2003, 2004, 2005, 2008 Rocky Bernstein <rocky@gnu.org>
|
|||
|
|
Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.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 3 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, see <http://www.gnu.org/licenses/>.
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#ifdef HAVE_CONFIG_H
|
|||
|
|
# include "config.h"
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#include <ctype.h>
|
|||
|
|
#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"
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
#include "cdio_assert.h"
|
|||
|
|
#include <cdio/types.h>
|
|||
|
|
#include <cdio/util.h>
|
|||
|
|
|
|||
|
|
static const char _rcsid[] = "$Id: util.c,v 1.6 2008/04/22 15:29:12 karl Exp $";
|
|||
|
|
|
|||
|
|
size_t
|
|||
|
|
_cdio_strlenv(char **str_array)
|
|||
|
|
{
|
|||
|
|
size_t n = 0;
|
|||
|
|
|
|||
|
|
cdio_assert (str_array != NULL);
|
|||
|
|
|
|||
|
|
while(str_array[n])
|
|||
|
|
n++;
|
|||
|
|
|
|||
|
|
return n;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void
|
|||
|
|
_cdio_strfreev(char **strv)
|
|||
|
|
{
|
|||
|
|
int n;
|
|||
|
|
|
|||
|
|
cdio_assert (strv != NULL);
|
|||
|
|
|
|||
|
|
for(n = 0; strv[n]; n++)
|
|||
|
|
free(strv[n]);
|
|||
|
|
|
|||
|
|
free(strv);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
char **
|
|||
|
|
_cdio_strsplit(const char str[], char delim) /* fixme -- non-reentrant */
|
|||
|
|
{
|
|||
|
|
int n;
|
|||
|
|
char **strv = NULL;
|
|||
|
|
char *_str, *p;
|
|||
|
|
char _delim[2] = { 0, 0 };
|
|||
|
|
|
|||
|
|
cdio_assert (str != NULL);
|
|||
|
|
|
|||
|
|
_str = strdup(str);
|
|||
|
|
_delim[0] = delim;
|
|||
|
|
|
|||
|
|
cdio_assert (_str != NULL);
|
|||
|
|
|
|||
|
|
n = 1;
|
|||
|
|
p = _str;
|
|||
|
|
while(*p)
|
|||
|
|
if (*(p++) == delim)
|
|||
|
|
n++;
|
|||
|
|
|
|||
|
|
strv = calloc (1, sizeof (char *) * (n+1));
|
|||
|
|
|
|||
|
|
n = 0;
|
|||
|
|
while((p = strtok(n ? NULL : _str, _delim)) != NULL)
|
|||
|
|
strv[n++] = strdup(p);
|
|||
|
|
|
|||
|
|
free(_str);
|
|||
|
|
|
|||
|
|
return strv;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void *
|
|||
|
|
_cdio_memdup (const void *mem, size_t count)
|
|||
|
|
{
|
|||
|
|
void *new_mem = NULL;
|
|||
|
|
|
|||
|
|
if (mem)
|
|||
|
|
{
|
|||
|
|
new_mem = calloc (1, count);
|
|||
|
|
memcpy (new_mem, mem, count);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return new_mem;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
char *
|
|||
|
|
_cdio_strdup_upper (const char str[])
|
|||
|
|
{
|
|||
|
|
char *new_str = NULL;
|
|||
|
|
|
|||
|
|
if (str)
|
|||
|
|
{
|
|||
|
|
char *p;
|
|||
|
|
|
|||
|
|
p = new_str = strdup (str);
|
|||
|
|
|
|||
|
|
while (*p)
|
|||
|
|
{
|
|||
|
|
*p = toupper (*p);
|
|||
|
|
p++;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return new_str;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
uint8_t
|
|||
|
|
cdio_to_bcd8 (uint8_t n)
|
|||
|
|
{
|
|||
|
|
/*cdio_assert (n < 100);*/
|
|||
|
|
|
|||
|
|
return ((n/10)<<4) | (n%10);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
uint8_t
|
|||
|
|
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+1];
|
|||
|
|
char tmp_dst[PATH_MAX+1];
|
|||
|
|
|
|||
|
|
int len;
|
|||
|
|
|
|||
|
|
strcpy(tmp_src, src);
|
|||
|
|
while(1) {
|
|||
|
|
len = readlink(tmp_src, tmp_dst, PATH_MAX);
|
|||
|
|
if(len < 0) {
|
|||
|
|
strncpy(dst, tmp_src, PATH_MAX);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
else {
|
|||
|
|
tmp_dst[len] = '\0';
|
|||
|
|
strncpy(tmp_src, tmp_dst, PATH_MAX);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#else
|
|||
|
|
strncpy(dst, src, PATH_MAX);
|
|||
|
|
#endif
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/*
|
|||
|
|
* Local variables:
|
|||
|
|
* c-file-style: "gnu"
|
|||
|
|
* tab-width: 8
|
|||
|
|
* indent-tabs-mode: nil
|
|||
|
|
* End:
|
|||
|
|
*/
|