?? utils.c
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/****************************************************************************# Spcaview: Spca5xx Grabber ## Copyright (C) 2004 2005 Michel Xhaard ## ## 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 2 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, write to the Free Software ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ## #****************************************************************************/#include "utils.h"#include <stdio.h>#include <stdlib.h>#include <unistd.h>#include <linux/types.h>#include <string.h>#include <fcntl.h>#include <wait.h>#include <sys/time.h>#include <limits.h>void exit_fatal(char *messages){ printf("%s \n",messages); exit(1);}doublems_time (void){ static struct timeval tod; gettimeofday (&tod, NULL); return ((double) tod.tv_sec * 1000.0 + (double) tod.tv_usec / 1000.0);}intget_jpegsize (unsigned char *buf, int insize){ int i; for ( i= 1024 ; i< insize; i++) { if ((buf[i] == 0xFF) && (buf[i+1] == 0xD9)) return i+10; } return -1;}
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