utils.h

/*******************************************************************************
#                                                                              #
#      MJPG-streamer allows to stream JPG frames from an input-plugin          #
#      to several output plugins                                               #
#                                                                              #
#      Copyright (C) 2007 Tom Stöveken                                         #
#                                                                              #
# 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; version 2 of the License.                      #
#                                                                              #
# 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    #
#                                                                              #
*******************************************************************************/

#define ABS(a) (((a) < 0) ? -(a) : (a))
#ifndef MIN
#define MIN(a, b) (((a) < (b)) ? (a) : (b))
#endif
#ifndef MAX
#define MAX(a, b) (((a) > (b)) ? (a) : (b))
#endif
#define LENGTH_OF(x) (sizeof(x)/sizeof(x[0]))

/******************************************************************************
Description.: getopt must get reset, otherwise it can only be called once
Input Value.: -
Return Value: -
******************************************************************************/
static inline void reset_getopt(void)
{
    /* optind=1; opterr=1; optopt=63; */
#ifdef __GLIBC__
    optind = 0;
#else
    optind = 1;
#endif

#ifdef HAVE_OPTRESET
    optreset = 1;
#endif
}

void daemon_mode(void);