148 lines
3.1 KiB
C
148 lines
3.1 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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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 "QF/progs.h"
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#include "QF/va.h"
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#include "QF/vfs.h"
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#include "QF/zone.h"
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#define MAX_HANDLES 20
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static VFile *handles[MAX_HANDLES];
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static void
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bi_File_Open (progs_t *pr)
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{
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const char *pth = G_STRING (pr, OFS_PARM0);
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const char *mode = G_STRING (pr, OFS_PARM1);
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char *path= Hunk_TempAlloc (strlen (pth) + 1);
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char *p, *d;
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int h;
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for (d = path; *pth; d++, pth++) {
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if (*pth == '\\')
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*d = '/';
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else
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*d = *pth;
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}
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*d = 0;
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p = path;
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while (*p) {
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if (p[0] == '.') {
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if (p[1] == '.') {
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if (p[2] == '/' || p[2] == 0) {
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d = p;
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if (d > path)
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d--;
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while (d > path && d[-1] != '/')
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d--;
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if (d == path
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&& d[0] == '.' && d[1] == '.'
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&& (d[2] == '/' || d[2] == '0')) {
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p += 2 + (p[2] == '/');
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continue;
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}
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strcpy (d, p + 2 + (p[2] == '/'));
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p = d + (d != path);
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}
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} else if (p[1] == '/') {
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strcpy (p, p + 2);
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continue;
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} else if (p[1] == 0) {
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p[0] = 0;
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}
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}
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while (*p && *p != '/')
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p++;
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if (*p == '/')
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p++;
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}
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//printf ("'%s' '%s'\n", G_STRING (pr, OFS_PARM0), path);
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if (!path[0])
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goto error;
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if (path[0] == '.' && path[1] == '.' && (path[2] == '/' || path [2] == 0))
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goto error;
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if (path[strlen (path) - 1] =='/')
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goto error;
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for (h = 0; h < MAX_HANDLES && handles[h]; h++)
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;
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if (h == MAX_HANDLES)
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goto error;
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if (!(handles[h] = Qopen (va ("%s/%s", com_gamedir, path), mode)))
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goto error;
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G_INT (pr, OFS_RETURN) = h + 1;
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return;
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error:
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G_INT (pr, OFS_RETURN) = 0;
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}
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static void
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bi_File_Close (progs_t *pr)
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{
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int h = G_INT (pr, OFS_PARM0) - 1;
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if (h < 0 || h >= MAX_HANDLES || !handles[h])
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return;
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Qclose (handles[h]);
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handles[h] = 0;
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}
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static void
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bi_File_GetLine (progs_t *pr)
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{
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int h = G_INT (pr, OFS_PARM0) - 1;
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const char *s;
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if (h < 0 || h >= MAX_HANDLES || !handles[h]) {
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G_INT (pr, OFS_RETURN) = 0;
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return;
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}
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s = Qgetline (handles[h]);
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RETURN_STRING (pr, s);
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}
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void
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File_Progs_Init (progs_t *pr)
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{
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PR_AddBuiltin (pr, "File_Open", bi_File_Open, -1);
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PR_AddBuiltin (pr, "File_Close", bi_File_Close, -1);
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PR_AddBuiltin (pr, "File_GetLine", bi_File_GetLine, -1);
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}
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