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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005 Simon Howard
//
// 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.
//
// DESCRIPTION:
//
//-----------------------------------------------------------------------------
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "doomtype.h"
#include "i_system.h"
#include "m_misc.h"
int myargc;
char** myargv;
//
// M_CheckParm
// Checks for the given parameter
// in the program's command line arguments.
// Returns the argument number (1 to argc-1)
// or 0 if not present
//
int M_CheckParm (char *check)
{
int i;
for (i = 1;i<myargc;i++)
{
if ( !strcasecmp(check, myargv[i]) )
return i;
}
return 0;
}
//
// M_ParmExists
//
// Returns true if the given parameter exists in the program's command
// line arguments, false if not.
//
boolean M_ParmExists(char *check)
{
return M_CheckParm(check) != 0;
}
#define MAXARGVS 100
static void LoadResponseFile(int argv_index)
{
FILE *handle;
int size;
char *infile;
char *file;
char *response_filename;
char **newargv;
int newargc;
int i, k;
response_filename = myargv[argv_index] + 1;
// Read the response file into memory
handle = fopen(response_filename, "r");
if (handle == NULL)
{
printf ("\nNo such response file!");
exit(1);
}
printf("Found response file %s!\n", response_filename);
size = M_FileLength(handle);
// Read in the entire file
// Allocate one byte extra - this is incase there is an argument
// at the end of the response file, in which case a '\0' will be
// needed.
file = malloc(size + 1);
i = 0;
while (i < size)
{
k = fread(file + i, 1, size - i, handle);
if (k < 0)
{
I_Error("Failed to read full contents of '%s'", response_filename);
}
i += k;
}
fclose(handle);
// Create new arguments list array
newargv = malloc(sizeof(char *) * MAXARGVS);
newargc = 0;
memset(newargv, 0, sizeof(char *) * MAXARGVS);
// Copy all the arguments in the list up to the response file
for (i=0; i<argv_index; ++i)
{
newargv[i] = myargv[i];
++newargc;
}
infile = file;
k = 0;
while(k < size)
{
// Skip past space characters to the next argument
while(k < size && isspace(infile[k]))
{
++k;
}
if (k >= size)
{
break;
}
// If the next argument is enclosed in quote marks, treat
// the contents as a single argument. This allows long filenames
// to be specified.
if (infile[k] == '\"')
{
// Skip the first character(")
++k;
newargv[newargc++] = &infile[k];
// Read all characters between quotes
while (k < size && infile[k] != '\"' && infile[k] != '\n')
{
++k;
}
if (k >= size || infile[k] == '\n')
{
I_Error("Quotes unclosed in response file '%s'",
response_filename);
}
// Cut off the string at the closing quote
infile[k] = '\0';
++k;
}
else
{
// Read in the next argument until a space is reached
newargv[newargc++] = &infile[k];
while(k < size && !isspace(infile[k]))
{
++k;
}
// Cut off the end of the argument at the first space
infile[k] = '\0';
++k;
}
}
// Add arguments following the response file argument
for (i=argv_index + 1; i<myargc; ++i)
{
newargv[newargc] = myargv[i];
++newargc;
}
myargv = newargv;
myargc = newargc;
#if 0
// Disabled - Vanilla Doom does not do this.
// Display arguments
printf("%d command-line args:\n", myargc);
for (k=1; k<myargc; k++)
{
printf("'%s'\n", myargv[k]);
}
#endif
}
//
// Find a Response File
//
void M_FindResponseFile(void)
{
int i;
for (i = 1; i < myargc; i++)
{
if (myargv[i][0] == '@')
{
LoadResponseFile(i);
}
}
}
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