mirror of
https://git.code.sf.net/p/quake/quakeforge
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145 lines
3.2 KiB
C
145 lines
3.2 KiB
C
/*
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qargs.c
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command line argument processing routines
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 1999,2000 contributors of the QuakeForge project
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Please see the file "AUTHORS" for a list of contributors
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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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static const char rcsid[] =
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"$Id$";
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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 <ctype.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "QF/cmd.h"
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#include "QF/crc.h"
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#include "QF/qtypes.h"
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#include "QF/sys.h"
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static char **largv;
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static char *argvdummy = " ";
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static char *safeargvs[] =
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{ "-stdvid", "-nolan", "-nosound", "-nocdaudio", "-nojoy", "-nomouse",
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"-dibonly" };
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#define NUM_SAFE_ARGVS (sizeof(safeargvs)/sizeof(safeargvs[0]))
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int com_argc;
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char **com_argv;
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char *com_cmdline;
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qboolean nouse = false; // 1999-10-29 +USE fix by Maddes
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/*
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COM_CheckParm
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Returns the position (1 to argc-1) in the program's argument list
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where the given parameter apears, or 0 if not present
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*/
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int
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COM_CheckParm (char *parm)
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{
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int i;
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for (i = 1; i < com_argc; i++) {
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if (!com_argv[i])
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continue; // NEXTSTEP sometimes clears appkit
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// vars.
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if (!strcmp (parm, com_argv[i]))
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return i;
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}
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return 0;
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}
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void
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COM_InitArgv (int argc, char **argv)
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{
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qboolean safe;
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int i, len;
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safe = false;
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largv = (char **) calloc (1, (argc + NUM_SAFE_ARGVS + 1) *
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sizeof (char **));
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for (com_argc = 0, len = 0; com_argc < argc; com_argc++) {
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largv[com_argc] = argv[com_argc];
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if ((argv[com_argc]) && !strcmp ("-safe", argv[com_argc]))
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safe = true;
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if (com_argc)
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len += strlen (argv[com_argc]) + 1;
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}
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com_cmdline = (char *) calloc (1, len + 1); // need strlen(com_cmdline)+2
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com_cmdline[0] = 0;
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if (len) {
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for (i = 1; i < argc; i++) {
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strncat (com_cmdline, argv[i], len - strlen (com_cmdline));
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assert (len - strlen (com_cmdline) > 0);
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strncat (com_cmdline, " ", len - strlen (com_cmdline));
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}
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com_cmdline[len - 1] = '\0';
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}
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if (safe) {
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// force all the safe-mode switches. Note that we reserved extra space
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// in case we need to add these, so we don't need an overflow check
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for (i = 0; i < NUM_SAFE_ARGVS; i++) {
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largv[com_argc] = safeargvs[i];
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com_argc++;
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}
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}
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largv[com_argc] = argvdummy;
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com_argv = largv;
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if (COM_CheckParm ("-nouse")) {
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nouse = true;
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}
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}
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/*
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COM_AddParm
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Adds the given string at the end of the current argument list
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*/
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void
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COM_AddParm (char *parm)
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{
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largv[com_argc++] = parm;
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}
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