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/*
* Copyright (C) 2000-2001 the xine project
*
* This file is part of xine, a unix video player.
*
* xine 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.
*
* xine 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 02111-1307, USA
*
* $Id: utils.c,v 1.3 2001/09/06 13:29:18 jkeil Exp $
*
*/
#define _POSIX_PTHREAD_SEMANTICS 1 /* for 5-arg getpwuid_r on solaris */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
#include <pwd.h>
#include <time.h>
#include <sys/types.h>
/*
*
*/
void *xmalloc(size_t size) {
void *ptrmalloc, *ptrmemset;
if((ptrmalloc = malloc(size)) == NULL) {
fprintf(stderr, "%s: malloc() failed: %s.\n",
__FUNCTION__, strerror(errno));
return NULL;
}
if((ptrmemset = memset(ptrmalloc, 0, size)) == NULL) {
fprintf(stderr, "%s: memset() failed: %s.\n",
__FUNCTION__, strerror(errno));
return NULL;
}
return ptrmemset;
}
/*
*
*/
void *xmalloc_aligned (size_t alignment, size_t size) {
void *pMem;
pMem = xmalloc (size+alignment);
while ((int) pMem % alignment)
pMem++;
return pMem;
}
/*
*
*/
const char *get_homedir(void) {
struct passwd *pw = NULL;
char *homedir = NULL;
#ifdef HAVE_GETPWUID_R
int ret;
struct passwd pwd;
char *buffer = NULL;
int bufsize = 128;
buffer = (char *) xmalloc(bufsize);
if((ret = getpwuid_r(getuid(), &pwd, buffer, bufsize, &pw)) < 0) {
#else
if((pw = getpwuid(getuid())) == NULL) {
#endif
if((homedir = getenv("HOME")) == NULL) {
fprintf(stderr, "Unable to get home directory, set it to /tmp.\n");
homedir = strdup("/tmp");
}
}
else {
if(pw)
homedir = strdup(pw->pw_dir);
}
#ifdef HAVE_GETPWUID_R
if(buffer)
free(buffer);
#endif
return homedir;
}
/*
*
*/
char *chomp(char *str) {
char *pbuf;
pbuf = str;
while(*pbuf != '\0') pbuf++;
while(pbuf > str) {
if(*pbuf == '\r' || *pbuf == '\n' || *pbuf == '"') pbuf = '\0';
pbuf--;
}
while(*pbuf == '=' || *pbuf == '"') pbuf++;
return pbuf;
}
/*
* A thread-safe usecond sleep
*/
void xine_usec_sleep(unsigned usec) {
#if HAVE_NANOSLEEP
/* nanosleep is prefered on solaris, because it's mt-safe */
struct timespec ts;
ts.tv_sec = usec / 1000000;
ts.tv_nsec = (usec % 1000000) * 1000;
nanosleep(&ts, NULL);
#else
usleep(usec);
#endif
}
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