forks/yadex: src/wads.cc annotate

annotate src/wads.cc @ 79:0602d9bf474a

Various cleanups.

author	Matti Hamalainen <ccr@tnsp.org>
date	Mon, 26 Sep 2011 17:14:54 +0300
parents	a68786b9c74b
children	2f1ecc1c5f72

rev	line source
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	2 * wads.cc
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	3 * Wad file routines
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	4 * BW & RQ sometime in 1993 or 1994.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	5 */
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	6
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	7
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8 /*
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	9 This file is part of Yadex.
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	11 Yadex incorporates code from DEU 5.21 that was put in the public domain in
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	12 1994 by Raphaël Quinet and Brendon Wyber.
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	13
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	14 The rest of Yadex is Copyright © 1997-2003 André Majorel and others.
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	15
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	16 This program is free software; you can redistribute it and/or modify it under
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	17 the terms of the GNU General Public License as published by the Free Software
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	18 Foundation; either version 2 of the License, or (at your option) any later
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	19 version.
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	20
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	21 This program is distributed in the hope that it will be useful, but WITHOUT
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	22 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	23 FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	24
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	25 You should have received a copy of the GNU General Public License along with
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	26 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	27 Place, Suite 330, Boston, MA 02111-1307, USA.
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	28 */
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	29
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	30
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	31 #include "yadex.h"
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	32 #include "serialnum.h"
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	33 #include "wads.h"
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	34
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	35
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	36 MDirPtr MasterDir = NULL; // The master directory
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	37 Serial_num master_dir_serial; // The revision# thereof
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	38
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	39
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	40 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	41 * file_read_i16 - read little-endian 16-bit signed integers from a file
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	42 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	43 * Return 0 on success, non-zero on failure.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	44 */
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	45 int file_read_i16(FILE * fp, i16 * buf, long count)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	46 {
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	47 while (count-- > 0)
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	48 *buf = getc(fp) \| (getc(fp) << 8);
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	49 return feof(fp) \|\| ferror(fp);
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	50 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	51
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	52
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	53 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	54 * file_read_i32 - read little-endian 32-bit signed integers from a file
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	55 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	56 * Return 0 on success, non-zero on failure.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	57 */
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	58 int file_read_i32(FILE * fp, i32 * buf, long count)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	59 {
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	60 while (count-- > 0)
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	61 {
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	62 *buf++ = getc(fp)
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	63 \| (getc(fp) << 8)
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	64 \| ((i32) getc(fp) << 16) \| ((i32) getc(fp) << 24);
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	65 }
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	66 return feof(fp) \|\| ferror(fp);
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	67 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	68
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	69
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	70 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	71 * file_read_vbytes - read bytes from file
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	72 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	73 * Return the number of bytes read.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	74 */
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	75 long file_read_vbytes(FILE * fp, void *buf, long count)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	76 {
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	77 long bytes_read_total;
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	78 size_t bytes_read;
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	79 size_t bytes_to_read;
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	80
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	81 bytes_read_total = 0;
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	82 bytes_to_read = 0x8000;
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	83 while (count > 0)
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	84 {
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	85 if (count <= 0x8000)
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	86 bytes_to_read = (size_t) count;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	87 bytes_read = fread(buf, 1, bytes_to_read, fp);
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	88 bytes_read_total += bytes_read;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	89 if (bytes_read != bytes_to_read)
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	90 break;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	91 buf = (char *) buf + bytes_read;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	92 count -= bytes_read;
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	93 }
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	94 return bytes_read_total;
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	95 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	96
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	97
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	98 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	99 * file_read_bytes - read bytes from a file
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	100 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	101 * Return 0 on success, non-zero on failure.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	102 */
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	103 int file_read_bytes(FILE * fp, void *buf, long count)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	104 {
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	105 return file_read_vbytes(fp, buf, count) != count;
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	106 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	107
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	108
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	109 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	110 * file_write_i16 - write a little-endian 16-bit signed integer to a file
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	111 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	112 * Does no error checking.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	113 */
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	114 void file_write_i16(FILE * fd, i16 buf)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	115 {
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	116 putc(buf & 0xff, fd);
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	117 putc((buf >> 8) & 0xff, fd);
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	118 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	119
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	120
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	121 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	122 * file_write_i32 - write little-endian 32-bit signed integers to a file
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	123 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	124 * Does no error checking.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	125 */
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	126 void file_write_i32(FILE * fd, i32 buf, long count)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	127 {
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	128 /* It would probably be more efficient to swap bytes in-core
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	129 and write the whole i32 at once. */
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	130 while (count-- > 0)
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	131 {
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	132 putc(buf & 0xff, fd);
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	133 putc((buf >> 8) & 0xff, fd);
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	134 putc((buf >> 16) & 0xff, fd);
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	135 putc((buf >> 24) & 0xff, fd);
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	136 }
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	137 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	138
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	139
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	140 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	141 * file_write_name - write directory entry name to file
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	142 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	143 * Write to file <fd> the directory entry name contained in
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	144 * <name>. The string written in the file is exactly the
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	145 * same as the string contained in <name> except that :
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	146 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	147 * - only the first WAD_NAME characters of <name> are
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	148 * used, or up to the first occurrence of a NUL,
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	149 *
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	150 * - all letters are forced to upper case,
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	151 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	152 * - if necessary, the string is padded to WAD_NAME
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	153 * characters with NULs.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	154 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	155 * Does no error checking.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156 */
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	157 void file_write_name(FILE * fd, const char *name)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	158 {
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	159 const unsigned char const p0 = (const unsigned char ) name;
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	160 const unsigned char *p = p0; // "unsigned" for toupper()'s sake
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	161
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	162 for (; p - p0 < (ptrdiff_t) WAD_NAME && *p; p++)
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	163 putc(toupper(*p), fd);
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	164 for (; p - p0 < (ptrdiff_t) WAD_NAME; p++)
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	165 putc('\0', fd);
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	166 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	167
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	168
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	169 /*
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	170 find an entry in the master directory
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	171 */
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	172
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	173 MDirPtr FindMasterDir(MDirPtr from, const char *name)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	174 {
79 0602d9bf474a Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 33 diff changeset	175 while (from != NULL)
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	176 {
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	177 if (!y_strnicmp(from->dir.name, name, WAD_NAME))
79 0602d9bf474a Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 33 diff changeset	178 return from;
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	179 from = from->next;
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	180 }
79 0602d9bf474a Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 33 diff changeset	181 return NULL;
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	182 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	183
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	184
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	185 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	186 * Find an entry in the master directory
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	187 */
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	188 MDirPtr FindMasterDir(MDirPtr from, const char name1, const char name2)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	189 {
79 0602d9bf474a Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 33 diff changeset	190 while (from != NULL)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	191 {
79 0602d9bf474a Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 33 diff changeset	192 if (!y_strnicmp(from->dir.name, name1, WAD_NAME) \|\|
0602d9bf474a Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 33 diff changeset	193 !y_strnicmp(from->dir.name, name2, WAD_NAME))
0602d9bf474a Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 33 diff changeset	194 return from;
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	195 from = from->next;
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	196 }
79 0602d9bf474a Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 33 diff changeset	197 return NULL;
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	198 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	199
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	200
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	201 /*
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	202 output bytes to a binary file with error checking
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	203 */
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	204
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	205 void WriteBytes(FILE * file, const void *buf, long size)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	206 {
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	207 if (!Registered)
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	208 return;
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	209 while (size > 0x8000)
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	210 {
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	211 if (fwrite(buf, 1, 0x8000, file) != 0x8000)
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	212 fatal_error("error writing to file");
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	213 buf = (const char *) buf + 0x8000;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	214 size -= 0x8000;
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	215 }
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	216 if (fwrite(buf, 1, size, file) != (size_t) size)
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	217 fatal_error("error writing to file");
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	218 }
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	219
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	220
241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	221 /*
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	222 * copy_bytes - copy bytes from a binary file to another
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	223 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	224 * FIXME it's silly to allocate such a large buffer on
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	225 * memory constrained systems. The function should be able
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	226 * to fall back on a smaller buffer.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	227 *
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	228 * Return 0 on success, 1 if there was a read error on
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	229 * source file, 2 if there was a write error on destination
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	230 * file.
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	231 */
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	232 int copy_bytes(FILE * dest, FILE * source, long size)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	233 {
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	234 int rc = 0;
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	235 void *data = 0;
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	236 const size_t chunksz = 0x4000;
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	237
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	238 data = GetMemory(chunksz + 2);
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	239 while (size > chunksz)
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	240 {
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	241 if (fread(data, 1, chunksz, source) != chunksz)
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	242 {
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	243 rc = 1;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	244 goto byebye;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	245 }
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	246 if (fwrite(data, 1, chunksz, dest) != chunksz)
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	247 {
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	248 rc = 2;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	249 goto byebye;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	250 }
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	251 size -= chunksz;
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	252 }
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	253 if (fread(data, 1, size, source) != (size_t) size)
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	254 {
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	255 rc = 1;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	256 goto byebye;
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	257 }
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	258 if (fwrite(data, 1, size, dest) != (size_t) size)
8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	259 {
33 a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	260 rc = 2;
a68786b9c74b Oops, used indent with tabs enabled. Remove tabs. Matti Hamalainen <ccr@tnsp.org> parents: 25 diff changeset	261 goto byebye;
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	262 }
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	263
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	264 byebye:
79 0602d9bf474a Various cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 33 diff changeset	265 FreeMemory(data);
25 8eaf72e2041b Reindent the source using GNU indent and "indent -i4 -bli0 -npcs -nprs -npsl". Matti Hamalainen <ccr@tnsp.org> parents: 22 diff changeset	266 return rc;
0 241c93442be0 Initial import. Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	267 }

Mercurial > hg > forks > yadex

annotate src/wads.cc @ 79:0602d9bf474a