mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 12:52:46 +00:00
157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
/*
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options.c
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command line options handling
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Copyright (C) 2002 Colin Thompson
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <getopt.h>
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#include <unistd.h>
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#include "QF/dstring.h"
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#include "options.h"
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#include "vis.h"
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const char *this_program;
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static struct option const long_options[] = {
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{"quiet", no_argument, 0, 'q'},
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{"verbose", no_argument, 0, 'v'},
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{"help", no_argument, 0, 'h'},
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{"version", no_argument, 0, 'V'},
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{"threads", required_argument, 0, 't'},
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{"minimal", no_argument, 0, 'm'},
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{"level", required_argument, 0, 'l'},
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{"file", required_argument, 0, 'f'},
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{NULL, 0, NULL, 0}
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};
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static const char *short_options =
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"q" // quiet
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"v" // verbose
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"h" // help
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"V" // version
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"t:" // threads
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"m" // minimal vis
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"l:" // level
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"f:" // file
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;
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void
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usage (int status)
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{
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printf ("%s - QuakeForge PVS/PHS generation tool\n", this_program);
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printf ("Usage: %s [options]\n", this_program);
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printf (
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"Options:\n"
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" -q, --quiet Inhibit usual output\n"
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" -v, --verbose Display more output than usual\n"
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" -h, --help Display this help and exit\n"
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" -V, --version Output version information and exit\n"
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" -t, --threads [num] Number of threads to use\n"
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" -m, --minimal Perform minimal vis'ing\n"
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" -l, --level [level] Vis level to perform\n"
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" -f, --file [bspfile] BSP file to vis\n\n");
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exit (status);
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}
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static int
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default_threads (void)
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{
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int threads = 1;
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#ifdef USE_PTHREADS
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# ifdef _SC_NPROCESSORS_ONLN
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threads = sysconf(_SC_NPROCESSORS_ONLN);
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if (threads < 1)
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threads = 1;
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# endif
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#endif
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return threads;
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}
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int
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DecodeArgs (int argc, char **argv)
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{
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int c;
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options.verbosity = 0;
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options.bspfile = NULL;
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options.threads = default_threads ();
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options.level = 4;
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while ((c = getopt_long (argc, argv, short_options, long_options, 0))
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!= EOF) {
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switch (c) {
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case 'q': // quiet
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options.verbosity -= 1;
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break;
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case 'v': // verbose
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options.verbosity += 1;
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break;
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case 'h': // help
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usage (0);
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break;
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case 'V': // version
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printf ("%s version %s\n", PACKAGE_NAME, PACKAGE_VERSION);
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exit (0);
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break;
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case 't': // threads
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options.threads = atoi (optarg);
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break;
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case 'm': // minimal vis
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options.minimal = true;
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break;
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case 'l': // level
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options.level = atoi (optarg);
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break;
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case 'f': // set filename
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options.bspfile = dstring_strdup (optarg);
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break;
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default:
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usage (1);
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}
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}
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#ifndef USE_PTHREADS
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if (options.threads != 1) {
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printf ("NOTE: ignoring thread count (unsupported)\n");
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options.threads = 1;
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}
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#endif
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if ((!options.bspfile) && argv[optind] && *(argv[optind]))
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options.bspfile = dstring_strdup (argv[optind++]);
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return optind;
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}
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