xmms-sid: src/xs_support.c annotate

annotate src/xs_support.c @ 887:89c05adc87cc

Silence a warning.

author	Matti Hamalainen <ccr@tnsp.org>
date	Fri, 09 Nov 2012 06:17:12 +0200
parents	000baa9fcd4f
children	1779967c472a

rev	line source
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	1 /*
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	2 XMMS-SID - SIDPlay input plugin for X MultiMedia System (XMMS)
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	3
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	4 Miscellaneous support functions
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	5
324 dd201740a720 Changed copyright text. Matti Hamalainen <ccr@tnsp.org> parents: 288 diff changeset	6 Programmed and designed by Matti 'ccr' Hamalainen <ccr@tnsp.org>
723 9321ffa2ea7e Update copyright years. Matti Hamalainen <ccr@tnsp.org> parents: 714 diff changeset	7 (C) Copyright 1999-2009 Tecnic Software productions (TNSP)
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	8
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	9 This program is free software; you can redistribute it and/or modify
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	10 it under the terms of the GNU General Public License as published by
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	11 the Free Software Foundation; either version 2 of the License, or
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	12 (at your option) any later version.
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	13
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	14 This program is distributed in the hope that it will be useful,
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	15 but WITHOUT ANY WARRANTY; without even the implied warranty of
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	17 GNU General Public License for more details.
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	18
412 7f694e5a1493 Updated GNU GPL (new FSF address) and some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 398 diff changeset	19 You should have received a copy of the GNU General Public License along
7f694e5a1493 Updated GNU GPL (new FSF address) and some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 398 diff changeset	20 with this program; if not, write to the Free Software Foundation, Inc.,
7f694e5a1493 Updated GNU GPL (new FSF address) and some cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 398 diff changeset	21 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	22
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	23 --
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	24 Except for the MD5 related functionality at the end of this file.
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	25 --
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	26 */
49 3518ca5c8b0f Support for compile-time big/little-endian optimizations in audio output Matti Hamalainen <ccr@tnsp.org> parents: 40 diff changeset	27 #include "xs_support.h"
879 2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	28 #include <stdarg.h>
224 df4cb5115322 Removed duplicate function, more portability cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 218 diff changeset	29 #include <ctype.h>
202 fe684a2ccdc7 Reworking code. Matti Hamalainen <ccr@tnsp.org> parents: 109 diff changeset	30
879 2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	31
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	32 /* Error messages
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	33 */
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	34 void xs_error(const char *fmt, ...)
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	35 {
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	36 va_list ap;
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	37 fprintf(stderr, "XMMS-SID: ");
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	38 va_start(ap, fmt);
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	39 vfprintf(stderr, fmt, ap);
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	40 va_end(ap);
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	41 }
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	42
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	43 #ifndef DEBUG_NP
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	44 void XSDEBUG(const char *fmt, ...)
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	45 {
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	46 #ifdef DEBUG
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	47 va_list ap;
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	48 fprintf(stderr, "XSDEBUG: ");
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	49 va_start(ap, fmt);
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	50 vfprintf(stderr, fmt, ap);
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	51 va_end(ap);
887 89c05adc87cc Silence a warning. Matti Hamalainen <ccr@tnsp.org> parents: 880 diff changeset	52 #else
89c05adc87cc Silence a warning. Matti Hamalainen <ccr@tnsp.org> parents: 880 diff changeset	53 (void) fmt;
879 2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	54 #endif
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	55 }
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	56 #endif
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	57
2a50d36215c3 Move error printing function to xs_support. Matti Hamalainen <ccr@tnsp.org> parents: 877 diff changeset	58
877 5e33075ed9dd Oops, a #ifdef was reversed, causing the xs_fsize() function not to be compiled. Matti Hamalainen <ccr@tnsp.org> parents: 868 diff changeset	59 #ifndef __AUDACIOUS_NEWVFS__
866 6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	60 off_t xs_fsize(XSFile *f)
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	61 {
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	62 off_t pos;
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	63 if (fseeko(f, 0, SEEK_END) < 0)
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	64 return -1;
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	65
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	66 pos = ftello(f);
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	67
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	68 if (fseeko(f, 0, SEEK_SET) < 0)
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	69 return -1;
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	70
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	71 return pos;
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	72 }
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	73 #endif
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	74
226 858c09f59011 Moved some functions from xs_length.c here. Matti Hamalainen <ccr@tnsp.org> parents: 224 diff changeset	75
751 55eea3fa8868 Rename some structures. Matti Hamalainen <ccr@tnsp.org> parents: 748 diff changeset	76 guint16 xs_fread_be16(XSFile *f)
516 c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	77 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	78 return (((guint16) xs_fgetc(f)) << 8) \| ((guint16) xs_fgetc(f));
516 c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	79 }
c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	80
c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	81
751 55eea3fa8868 Rename some structures. Matti Hamalainen <ccr@tnsp.org> parents: 748 diff changeset	82 guint32 xs_fread_be32(XSFile *f)
516 c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	83 {
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	84 return
61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	85 (((guint32) xs_fgetc(f)) << 24) \|
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	86 (((guint32) xs_fgetc(f)) << 16) \|
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	87 (((guint32) xs_fgetc(f)) << 8) \|
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	88 ((guint32) xs_fgetc(f));
516 c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	89 }
c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	90
c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	91
527 fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	92 /* Load a file to a buffer, return 0 on success, negative value on error
fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	93 */
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	94 gboolean xs_fload_buffer(const gchar *filename,
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	95 guint8 *pbuf, size_t bufSize, const size_t maxSize, gboolean failMaxSize)
527 fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	96 {
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	97 XSFile *fp = NULL;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	98 size_t readSize, fileSize;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	99 gboolean res = FALSE;
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	100
61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	101 if (filename == NULL)
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	102 return FALSE;
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	103
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	104 if ((fp = xs_fopen(filename, "rb")) == NULL)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	105 {
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	106 xs_error("Could not open '%s' for reading.\n", filename);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	107 goto error;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	108 }
527 fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	109
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	110 fileSize = xs_fsize(fp);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	111 if (failMaxSize && fileSize > maxSize)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	112 {
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	113 xs_error("File '%s' size %d exceeds maxSize %d.\n",
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	114 fileSize, maxSize);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	115 goto error;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	116 }
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	117
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	118 readSize = fileSize < maxSize ? fileSize : maxSize;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	119
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	120 if ((pbuf = (guint8 ) g_malloc(readSize * sizeof(guint8))) == NULL)
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	121 {
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	122 xs_error("Could not allocate %d bytes for filebuffer '%s'.\n",
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	123 readSize, filename);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	124 goto error;
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	125 }
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	126
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	127 bufSize = xs_fread(pbuf, sizeof(guint8), readSize, fp);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	128 res = (readSize == *bufSize);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	129
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	130 error:
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	131 if (fp != NULL)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	132 xs_fclose(fp);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	133
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	134 if (!res)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	135 {
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	136 xs_error("File '%s', expected %d bytes, read %d bytes.\n",
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	137 readSize, *bufSize);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	138 }
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	139
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	140 return res;
527 fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	141 }
fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	142
fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	143
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	144 gboolean xs_fload_buffer_path(const gchar ppath, const gchar pfilename,
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	145 guint8 *pbuf, size_t bufSize, const size_t maxSize, gboolean failMaxSize)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	146 {
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	147 gchar *filename = g_strdup_printf("%s%s", ppath != NULL ? ppath : "", pfilename);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	148 gboolean res;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	149
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	150 if (filename == NULL)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	151 return FALSE;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	152
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	153 res = xs_fload_buffer(filename, pbuf, bufSize, maxSize, failMaxSize);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	154
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	155 g_free(filename);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	156 return res;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	157 }
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	158
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	159 /* Copy a given string over in *result.
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	160 */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	161 gint xs_pstrcpy(gchar *result, const gchar str)
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	162 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	163 /* Check the string pointers */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	164 if (!result \|\| !str)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	165 return -1;
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	166
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	167 /* Allocate memory for destination */
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	168 g_free(*result);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	169
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	170 result = (gchar ) g_malloc(strlen(str) + 1);
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	171 if (!*result)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	172 return -2;
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	173
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	174 /* Copy to the destination */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	175 strcpy(*result, str);
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	176
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	177 return 0;
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	178 }
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	179
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	180
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	181 /* Concatenates a given string into string pointed by *result.
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	182 */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	183 gint xs_pstrcat(gchar *result, const gchar str)
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	184 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	185 /* Check the string pointers */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	186 if (!result \|\| !str)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	187 return -1;
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	188
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	189 if (*result != NULL)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	190 {
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	191 result = (gchar ) g_realloc(result, strlen(result) + strlen(str) + 1);
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	192 if (*result == NULL)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	193 return -1;
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	194 strcat(*result, str);
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	195 }
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	196 else
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	197 {
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	198 result = (gchar ) g_malloc(strlen(str) + 1);
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	199 if (*result == NULL)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	200 return -1;
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	201 strcpy(*result, str);
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	202 }
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	203
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	204 return 0;
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	205 }
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	206
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	207
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	208 /* Concatenate a given string up to given dest size or \n.
7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	209 * If size max is reached, change the end to "..."
7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	210 */
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	211 void xs_pnstrcat(gchar dest, const size_t size, const gchar str)
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	212 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	213 size_t i, n;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	214 const gchar *s;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	215 gchar *d;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 324 diff changeset	216
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	217 for (d = dest, i = 0; *d && i < size; i++, d++);
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	218
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	219 s = str;
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	220 while (s && s != '\n' && i < size)
3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	221 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	222 d = s;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	223 d++;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	224 s++;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	225 i++;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	226 }
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 324 diff changeset	227
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	228 *d = 0;
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	229
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	230 if (i >= size)
3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	231 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	232 i--;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	233 d--;
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	234 for (n = 3; i > 0 && n > 0; d--, i--, n--)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	235 *d = '.';
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	236 }
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	237 }
7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	238
7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	239
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	240 /* Locate character in string
8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	241 */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	242 void xs_findnext(const gchar str, size_t pos)
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	243 {
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	244 while (str[pos] && isspace(str[pos]))
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	245 (*pos)++;
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	246 }
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	247
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	248
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	249 void xs_findeol(const gchar str, size_t pos)
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	250 {
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	251 while (str[pos] && (str[pos] != '\n') && (str[*pos] != '\r'))
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	252 (*pos)++;
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	253 }
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	254
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	255
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	256 void xs_findnum(const gchar str, size_t pos)
109 578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown. Matti Hamalainen <ccr@tnsp.org> parents: 87 diff changeset	257 {
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	258 while (str[pos] && isdigit(str[pos]))
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	259 (*pos)++;
109 578b71b62eeb Fileinfo now basically working, STIL COMMENT-fields are not yet parsed or shown. Matti Hamalainen <ccr@tnsp.org> parents: 87 diff changeset	260 }
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	261
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	262
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	263 /*
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	264 * MD5 implementation, modified for XMMS-SID from
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	265 * Colin Plumb's implementation by Matti 'ccr' Hämäläinen.
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	266 *
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	267 * This code implements the MD5 message-digest algorithm.
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	268 * The algorithm is due to Ron Rivest. This code was
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	269 * written by Colin Plumb in 1993, no copyright is claimed.
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	270 * This code is in the public domain; do with it what you wish.
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	271 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	272
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	273 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	274 # define xs_md5_bytereverse(buf, len) /* Nothing */
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	275 #elif G_BYTE_ORDER == G_BIG_ENDIAN
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	276 static void xs_md5_bytereverse(guint8 *buf, guint l)
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	277 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	278 guint32 t;
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	279 do
3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	280 {
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	281 t = (guint32) ((guint) buf[3] << 8 \| buf[2]) << 16 \| ((guint) buf[1] << 8 \| buf[0]);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	282 (guint32 ) buf = t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	283 buf += sizeof(guint32);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	284 } while (--l);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	285 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	286 #else
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	287 # error Unsupported endianess!
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	288 #endif
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	289
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	290
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	291 /* Start MD5 accumulation. Set bit count to 0 and buffer to mysterious
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	292 * initialization constants.
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	293 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	294 void xs_md5_init(xs_md5state_t *ctx)
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	295 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	296 ctx->buf[0] = 0x67452301;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	297 ctx->buf[1] = 0xefcdab89;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	298 ctx->buf[2] = 0x98badcfe;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	299 ctx->buf[3] = 0x10325476;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	300
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	301 ctx->bits[0] = 0;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	302 ctx->bits[1] = 0;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	303 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	304
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	305
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	306 /* The core of the MD5 algorithm, this alters an existing MD5 hash to
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	307 * reflect the addition of 16 longwords of new data. xs_md5_update blocks
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	308 * the data and converts bytes into longwords for this routine.
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	309 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	310 #define F1(x, y, z) (z ^ (x & (y ^ z)))
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	311 #define F2(x, y, z) F1(z, x, y)
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	312 #define F3(x, y, z) (x ^ y ^ z)
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	313 #define F4(x, y, z) (y ^ (x \| ~z))
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	314 #define MD5STEP(f, w, x, y, z, data, s) ( w += f(x, y, z) + data, w = w<<s \| w>>(32-s), w += x )
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	315
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	316 static void xs_md5_transform(guint32 buf[4], guint32 const in[16])
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	317 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	318 register guint32 a, b, c, d;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	319
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	320 a = buf[0];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	321 b = buf[1];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	322 c = buf[2];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	323 d = buf[3];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	324
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	325 MD5STEP(F1, a, b, c, d, in[ 0] + 0xd76aa478, 7);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	326 MD5STEP(F1, d, a, b, c, in[ 1] + 0xe8c7b756, 12);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	327 MD5STEP(F1, c, d, a, b, in[ 2] + 0x242070db, 17);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	328 MD5STEP(F1, b, c, d, a, in[ 3] + 0xc1bdceee, 22);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	329 MD5STEP(F1, a, b, c, d, in[ 4] + 0xf57c0faf, 7);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	330 MD5STEP(F1, d, a, b, c, in[ 5] + 0x4787c62a, 12);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	331 MD5STEP(F1, c, d, a, b, in[ 6] + 0xa8304613, 17);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	332 MD5STEP(F1, b, c, d, a, in[ 7] + 0xfd469501, 22);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	333 MD5STEP(F1, a, b, c, d, in[ 8] + 0x698098d8, 7);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	334 MD5STEP(F1, d, a, b, c, in[ 9] + 0x8b44f7af, 12);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	335 MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	336 MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	337 MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	338 MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	339 MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	340 MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	341
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	342 MD5STEP(F2, a, b, c, d, in[ 1] + 0xf61e2562, 5);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	343 MD5STEP(F2, d, a, b, c, in[ 6] + 0xc040b340, 9);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	344 MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	345 MD5STEP(F2, b, c, d, a, in[ 0] + 0xe9b6c7aa, 20);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	346 MD5STEP(F2, a, b, c, d, in[ 5] + 0xd62f105d, 5);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	347 MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	348 MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	349 MD5STEP(F2, b, c, d, a, in[ 4] + 0xe7d3fbc8, 20);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	350 MD5STEP(F2, a, b, c, d, in[ 9] + 0x21e1cde6, 5);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	351 MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	352 MD5STEP(F2, c, d, a, b, in[ 3] + 0xf4d50d87, 14);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	353 MD5STEP(F2, b, c, d, a, in[ 8] + 0x455a14ed, 20);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	354 MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	355 MD5STEP(F2, d, a, b, c, in[ 2] + 0xfcefa3f8, 9);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	356 MD5STEP(F2, c, d, a, b, in[ 7] + 0x676f02d9, 14);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	357 MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	358
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	359 MD5STEP(F3, a, b, c, d, in[ 5] + 0xfffa3942, 4);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	360 MD5STEP(F3, d, a, b, c, in[ 8] + 0x8771f681, 11);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	361 MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	362 MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	363 MD5STEP(F3, a, b, c, d, in[ 1] + 0xa4beea44, 4);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	364 MD5STEP(F3, d, a, b, c, in[ 4] + 0x4bdecfa9, 11);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	365 MD5STEP(F3, c, d, a, b, in[ 7] + 0xf6bb4b60, 16);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	366 MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	367 MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	368 MD5STEP(F3, d, a, b, c, in[ 0] + 0xeaa127fa, 11);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	369 MD5STEP(F3, c, d, a, b, in[ 3] + 0xd4ef3085, 16);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	370 MD5STEP(F3, b, c, d, a, in[ 6] + 0x04881d05, 23);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	371 MD5STEP(F3, a, b, c, d, in[ 9] + 0xd9d4d039, 4);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	372 MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	373 MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	374 MD5STEP(F3, b, c, d, a, in[ 2] + 0xc4ac5665, 23);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	375
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	376 MD5STEP(F4, a, b, c, d, in[ 0] + 0xf4292244, 6);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	377 MD5STEP(F4, d, a, b, c, in[ 7] + 0x432aff97, 10);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	378 MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	379 MD5STEP(F4, b, c, d, a, in[ 5] + 0xfc93a039, 21);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	380 MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	381 MD5STEP(F4, d, a, b, c, in[ 3] + 0x8f0ccc92, 10);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	382 MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	383 MD5STEP(F4, b, c, d, a, in[ 1] + 0x85845dd1, 21);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	384 MD5STEP(F4, a, b, c, d, in[ 8] + 0x6fa87e4f, 6);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	385 MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	386 MD5STEP(F4, c, d, a, b, in[ 6] + 0xa3014314, 15);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	387 MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	388 MD5STEP(F4, a, b, c, d, in[ 4] + 0xf7537e82, 6);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	389 MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	390 MD5STEP(F4, c, d, a, b, in[ 2] + 0x2ad7d2bb, 15);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	391 MD5STEP(F4, b, c, d, a, in[ 9] + 0xeb86d391, 21);
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	392
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	393 buf[0] += a;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	394 buf[1] += b;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	395 buf[2] += c;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	396 buf[3] += d;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	397 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	398
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	399
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	400 /* Update context to reflect the concatenation of another buffer full
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	401 * of bytes.
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	402 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	403 void xs_md5_append(xs_md5state_t ctx, const guint8 buf, guint len)
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	404 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	405 guint32 t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	406
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	407 /* Update bitcount */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	408 t = ctx->bits[0];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	409 if ((ctx->bits[0] = t + ((guint32) len << 3)) < t)
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	410 ctx->bits[1]++; /* Carry from low to high */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	411 ctx->bits[1] += len >> 29;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	412
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	413 t = (t >> 3) & 0x3f; /* Bytes already in shsInfo->data */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	414
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	415 /* Handle any leading odd-sized chunks */
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	416 if (t)
3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	417 {
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	418 guint8 p = (guint8 ) ctx->in + t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	419
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	420 t = 64 - t;
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	421 if (len < t)
3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	422 {
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	423 memcpy(p, buf, len);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	424 return;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	425 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	426 memcpy(p, buf, t);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	427 xs_md5_bytereverse(ctx->in, 16);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	428 xs_md5_transform(ctx->buf, (guint32 *) ctx->in);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	429 buf += t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	430 len -= t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	431 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	432
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	433 /* Process data in 64-byte chunks */
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	434 while (len >= 64)
3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	435 {
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	436 memcpy(ctx->in, buf, 64);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	437 xs_md5_bytereverse(ctx->in, 16);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	438 xs_md5_transform(ctx->buf, (guint32 *) ctx->in);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	439 buf += 64;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	440 len -= 64;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	441 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	442
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	443 /* Handle any remaining bytes of data. */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	444 memcpy(ctx->in, buf, len);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	445 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	446
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	447
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	448 /* Final wrapup - pad to 64-byte boundary with the bit pattern
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	449 * 1 0* (64-bit count of bits processed, MSB-first)
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	450 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	451 void xs_md5_finish(xs_md5state_t *ctx, xs_md5hash_t digest)
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	452 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	453 guint count;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	454 guint8 *p;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	455
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	456 /* Compute number of bytes mod 64 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	457 count = (ctx->bits[0] >> 3) & 0x3F;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	458
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	459 /* Set the first char of padding to 0x80. This is safe since there is
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	460 always at least one byte free */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	461 p = ctx->in + count;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	462 *p++ = 0x80;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	463
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	464 /* Bytes of padding needed to make 64 bytes */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	465 count = 64 - 1 - count;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	466
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	467 /* Pad out to 56 mod 64 */
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	468 if (count < 8)
3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	469 {
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	470 /* Two lots of padding: Pad the first block to 64 bytes */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	471 memset(p, 0, count);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	472 xs_md5_bytereverse(ctx->in, 16);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	473 xs_md5_transform(ctx->buf, (guint32 *) ctx->in);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	474
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	475 /* Now fill the next block with 56 bytes */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	476 memset(ctx->in, 0, 56);
868 3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	477 }
3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	478 else
3c3569894b23 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 867 diff changeset	479 {
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	480 /* Pad block to 56 bytes */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	481 memset(p, 0, count - 8);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	482 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	483 xs_md5_bytereverse(ctx->in, 14);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	484
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	485 /* Append length in bits and transform */
792 bee1f36efc16 Fix potential aliasing issues. Matti Hamalainen <ccr@tnsp.org> parents: 772 diff changeset	486 memcpy(((guint32 *) ctx->in) + 14, &ctx->bits[0], sizeof(guint32));
bee1f36efc16 Fix potential aliasing issues. Matti Hamalainen <ccr@tnsp.org> parents: 772 diff changeset	487 memcpy(((guint32 *) ctx->in) + 15, &ctx->bits[1], sizeof(guint32));
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	488
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	489 xs_md5_transform(ctx->buf, (guint32 *) ctx->in);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	490 xs_md5_bytereverse((guint8 *) ctx->buf, 4);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	491 memcpy(digest, ctx->buf, 16);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	492 memset(ctx, 0, sizeof(ctx)); /* In case it's sensitive */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	493 }

Mercurial > hg > xmms-sid

annotate src/xs_support.c @ 887:89c05adc87cc