quakeforge/tools/qfdefs/source/fix_globals.c

122 lines
3.1 KiB
C

/*
#FILENAME#
#DESCRIPTION#
Copyright (C) 2001 #AUTHOR#
Author: #AUTHOR#
Date: #DATE#
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
static const char rcsid[] =
"$Id$";
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <QF/progs.h>
#include <QF/sys.h>
#include "def.h"
void
update_offsets (dprograms_t *pr, int mark, int count)
{
if (pr->ofs_statements > mark)
pr->ofs_statements += count;
if (pr->ofs_globaldefs > mark)
pr->ofs_globaldefs += count;
if (pr->ofs_fielddefs > mark)
pr->ofs_fielddefs += count;
if (pr->ofs_functions > mark)
pr->ofs_functions += count;
if (pr->ofs_strings > mark)
pr->ofs_strings += count;
if (pr->ofs_globals > mark)
pr->ofs_globals += count;
}
void
fix_missing_globals (progs_t *pr, def_t *globals)
{
int defs_count = 0;
int strings_size = 0;
int i;
def_t *def;
ddef_t **new_defs, *d, **n;
char *new_strings;
dprograms_t *progs;
int offs;
for (def = globals; def->name; def ++) {
if (!PR_FindGlobal (pr, def->name)) {
defs_count++;
}
}
n = new_defs = calloc (defs_count, sizeof (def_t **));
for (def = globals; def->name; def ++) {
d = ED_GlobalAtOfs (pr, def->offset);
if (d) {
if (d->type != (def->type)) {
fprintf (stderr,
"global def %s at %d has mismatched type (%s, %s)\n",
def->name, def->offset,
pr_type_name[def->type & ~DEF_SAVEGLOBAL],
pr_type_name[d->type & ~DEF_SAVEGLOBAL]);
exit (1);
}
if (strcmp (def->name, PR_GetString (pr, d->s_name)) == 0)
continue; // this one is ok
d->s_name = strings_size;
*n++ = d;
strings_size += strlen (def->name) + 1;
} else {
fprintf (stderr, "no pre-existing def for %s at %d",
def->name, def->offset);
exit (1);
}
}
new_strings = calloc (strings_size, 1);
for (i = 0; i < defs_count; i++) {
def = Find_Global_Def_offs (new_defs[i]->ofs);
strcpy (new_strings + new_defs[i]->s_name, def->name);
new_defs[i]->s_name += pr->pr_stringsize;
}
progs = malloc (pr->progs_size + strings_size);
if (!progs)
Sys_Error ("fix_missing_globals: Memory Allocation Failure\n");
memcpy (progs, pr->progs, pr->progs_size);
offs = progs->ofs_strings + progs->numstrings;
memmove ((char*)progs + offs + strings_size, (char*)progs + offs,
pr->progs_size - offs);
memcpy ((char*)progs + offs, new_strings, strings_size);
progs->numstrings += strings_size;
pr->progs_size += strings_size;
update_offsets (progs, progs->ofs_strings, strings_size);
pr->progs = progs;
}