mirror of
https://git.code.sf.net/p/quake/quakeforge
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126 lines
2.8 KiB
C
126 lines
2.8 KiB
C
/*
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bi_file.c
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CSQC file builtins
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Copyright (C) 1996-1997 Id Software, Inc.
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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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static __attribute__ ((unused)) const char rcsid[] =
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"$Id$";
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#include <stdlib.h>
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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 "QF/csqc.h"
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#include "QF/progs.h"
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#include "QF/quakefs.h"
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#include "QF/va.h"
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#include "QF/zone.h"
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static void
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check_buffer (progs_t *pr, pr_type_t *buf, int count, const char *name)
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{
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int len;
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len = (count + sizeof (pr_type_t) - 1) / sizeof (pr_type_t);
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if (buf < pr->pr_globals || buf + len > pr->pr_globals + pr->globals_size)
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PR_RunError (pr, "%s: bad buffer", name);
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}
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static void
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bi_QFS_Rename (progs_t *pr)
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{
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const char *old = P_GSTRING (pr, 0);
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const char *new = P_GSTRING (pr, 1);
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R_INT (pr) = QFS_Rename (old, new);
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}
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static void
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bi_QFS_LoadFile (progs_t *pr)
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{
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const char *filename = P_GSTRING (pr, 0);
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QFile *file;
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int size;
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void *buffer;
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QFS_FOpenFile (filename, &file);
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if (!file) {
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RETURN_POINTER (pr, 0);
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return;
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}
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size = Qfilesize (file);
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buffer = PR_Zone_Malloc (pr, (size + 3) & ~3);
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if (!buffer) {
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Qclose (file);
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RETURN_POINTER (pr, 0);
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return;
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}
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Qread (file, buffer, size);
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Qclose (file);
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RETURN_POINTER (pr, buffer);
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}
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static void
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bi_QFS_OpenFile (progs_t *pr)
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{
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qfile_resources_t *res = PR_Resources_Find (pr, "QFile");
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QFile **file = QFile_AllocHandle (pr, res);
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const char *filename = P_GSTRING (pr, 0);
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QFS_FOpenFile (filename, file);
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if (!*file) {
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RETURN_POINTER (pr, 0);
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return;
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}
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R_INT (pr) = (file - res->handles) + 1;
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}
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static void
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bi_QFS_WriteFile (progs_t *pr)
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{
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const char *filename = P_GSTRING (pr, 0);
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pr_type_t *buf = P_GPOINTER (pr, 1);
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int count = P_INT (pr, 2);
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check_buffer (pr, buf, count, "QFS_WriteFile");
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QFS_WriteFile (va ("%s/%s", qfs_gamedir->dir.def, filename), buf, count);
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}
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void
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QFS_Progs_Init (progs_t *pr)
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{
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PR_AddBuiltin (pr, "QFS_Rename", bi_QFS_Rename, -1);
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PR_AddBuiltin (pr, "QFS_LoadFile", bi_QFS_LoadFile, -1);
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PR_AddBuiltin (pr, "QFS_OpenFile", bi_QFS_OpenFile, -1);
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PR_AddBuiltin (pr, "QFS_WriteFile", bi_QFS_WriteFile, -1);
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}
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