xmms-sid: src/xs_support.c annotate

annotate src/xs_support.c @ 867:051ef70d0123

Improve xs_fload_buffer() and add xs_fload_buffer_path().

author	Matti Hamalainen <ccr@tnsp.org>
date	Fri, 09 Nov 2012 03:59:02 +0200
parents	6b47d9813067
children	3c3569894b23

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"
224 df4cb5115322 Removed duplicate function, more portability cleanups. Matti Hamalainen <ccr@tnsp.org> parents: 218 diff changeset	28 #include <ctype.h>
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	29 #include <glib.h>
202 fe684a2ccdc7 Reworking code. Matti Hamalainen <ccr@tnsp.org> parents: 109 diff changeset	30
866 6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	31 #ifdef __AUDACIOUS_NEWVFS__
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	32 off_t xs_fsize(XSFile *f)
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	33 {
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	34 off_t pos;
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	35 if (fseeko(f, 0, SEEK_END) < 0)
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	36 return -1;
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	37
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	38 pos = ftello(f);
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	39
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	40 if (fseeko(f, 0, SEEK_SET) < 0)
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	41 return -1;
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	42
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	43 return pos;
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	44 }
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	45 #endif
6b47d9813067 Add xs_fsize() helper function. Matti Hamalainen <ccr@tnsp.org> parents: 792 diff changeset	46
226 858c09f59011 Moved some functions from xs_length.c here. Matti Hamalainen <ccr@tnsp.org> parents: 224 diff changeset	47
751 55eea3fa8868 Rename some structures. Matti Hamalainen <ccr@tnsp.org> parents: 748 diff changeset	48 guint16 xs_fread_be16(XSFile *f)
516 c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	49 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	50 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	51 }
c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	52
c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	53
751 55eea3fa8868 Rename some structures. Matti Hamalainen <ccr@tnsp.org> parents: 748 diff changeset	54 guint32 xs_fread_be32(XSFile *f)
516 c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	55 {
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	56 return
61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	57 (((guint32) xs_fgetc(f)) << 24) \|
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	58 (((guint32) xs_fgetc(f)) << 16) \|
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	59 (((guint32) xs_fgetc(f)) << 8) \|
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	60 ((guint32) xs_fgetc(f));
516 c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	61 }
c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	62
c192468eb8ce Audacious VFS support functions finished. Matti Hamalainen <ccr@tnsp.org> parents: 506 diff changeset	63
527 fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	64 /* 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	65 */
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	66 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	67 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	68 {
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	69 XSFile *fp = NULL;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	70 size_t readSize, fileSize;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	71 gboolean res = FALSE;
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	72
61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	73 if (filename == NULL)
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	74 return FALSE;
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 diff changeset	75
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	76 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	77 {
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	78 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	79 goto error;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	80 }
527 fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	81
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	82 fileSize = xs_fsize(fp);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	83 if (failMaxSize && fileSize > maxSize)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	84 {
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	85 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	86 fileSize, maxSize);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	87 goto error;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	88 }
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	89
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	90 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	91
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	92 if ((pbuf = (guint8 ) g_malloc(readSize * sizeof(guint8))) == NULL)
763 61a527ac3baa Cleanups, remove useless function. Matti Hamalainen <ccr@tnsp.org> parents: 751 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 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	95 readSize, filename);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	96 goto error;
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	97 }
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	98
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	99 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	100 res = (readSize == *bufSize);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	101
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	102 error:
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	103 if (fp != NULL)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	104 xs_fclose(fp);
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 if (!res)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	107 {
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	108 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	109 readSize, *bufSize);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	110 }
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	111
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	112 return res;
527 fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	113 }
fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	114
fe8b41abd923 Now everything necessary should be using the VFS functions. Matti Hamalainen <ccr@tnsp.org> parents: 516 diff changeset	115
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	116 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	117 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	118 {
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	119 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	120 gboolean res;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	121
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	122 if (filename == NULL)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	123 return FALSE;
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	124
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	125 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	126
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	127 g_free(filename);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	128 return res;
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
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	131 /* Copy a given string over in *result.
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	132 */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	133 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	134 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	135 /* Check the string pointers */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	136 if (!result \|\| !str)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	137 return -1;
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	138
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	139 /* 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	140 g_free(*result);
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	141
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	142 result = (gchar ) g_malloc(strlen(str) + 1);
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	143 if (!*result)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	144 return -2;
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	145
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	146 /* Copy to the destination */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	147 strcpy(*result, str);
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	148
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	149 return 0;
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	150 }
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	151
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	152
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	153 /* 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	154 */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	155 gint xs_pstrcat(gchar *result, const gchar str)
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	156 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	157 /* Check the string pointers */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	158 if (!result \|\| !str)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	159 return -1;
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	160
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	161 if (*result != NULL)
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	162 {
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	163 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	164 if (*result == NULL)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	165 return -1;
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	166 strcat(*result, str);
867 051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	167 }
051ef70d0123 Improve xs_fload_buffer() and add xs_fload_buffer_path(). Matti Hamalainen <ccr@tnsp.org> parents: 866 diff changeset	168 else
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 == NULL)
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	172 return -1;
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	173 strcpy(*result, str);
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	174 }
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	175
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	176 return 0;
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	177 }
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
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	180 /* 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	181 * 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	182 */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	183 void xs_pnstrcat(gchar dest, size_t iSize, const gchar str)
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	184 {
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	185 size_t i, n;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	186 const gchar *s;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	187 gchar *d;
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 324 diff changeset	188
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	189 d = dest;
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	190 i = 0;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	191 while (*d && (i < iSize)) {
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	192 i++;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	193 d++;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	194 }
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	195
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	196 s = str;
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	197 while (s && (s != '\n') && (i < iSize)) {
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	198 d = s;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	199 d++;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	200 s++;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	201 i++;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	202 }
359 b1a858b8cb1a Re-indentation all (non-generated) code. Matti Hamalainen <ccr@tnsp.org> parents: 324 diff changeset	203
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	204 *d = 0;
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	205
660 b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	206 if (i >= iSize) {
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	207 i--;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	208 d--;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	209 n = 3;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	210 while ((i > 0) && (n > 0)) {
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	211 *d = '.';
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	212 d--;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	213 i--;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	214 n--;
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	215 }
b0743dc9165d Change tabs to 4 spaces, everywhere. Matti Hamalainen <ccr@tnsp.org> parents: 657 diff changeset	216 }
239 7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	217 }
7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	218
7833df935239 Added xs_pnstrcat() to ease forming of limited size strings. Matti Hamalainen <ccr@tnsp.org> parents: 230 diff changeset	219
206 8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	220 /* Locate character in string
8b896d461fdb Trivial fixes and added strncpy replacement. Matti Hamalainen <ccr@tnsp.org> parents: 202 diff changeset	221 */
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	222 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	223 {
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	224 while (str[pos] && isspace(str[pos]))
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	225 (*pos)++;
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	226 }
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	227
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	228
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	229 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	230 {
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	231 while (str[pos] && (str[pos] != '\n') && (str[*pos] != '\r'))
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	232 (*pos)++;
4 4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	233 }
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	234
4bb09e405eab Added new files for 0.8 Matti Hamalainen <ccr@tnsp.org> parents: diff changeset	235
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	236 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	237 {
663 180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	238 while (str[pos] && isdigit(str[pos]))
180d7a0250d8 More cosmetic variable name changes. Matti Hamalainen <ccr@tnsp.org> parents: 660 diff changeset	239 (*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	240 }
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	241
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	242
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	243 /*
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	244 * 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	245 * 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	246 *
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	247 * 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	248 * 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	249 * 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	250 * 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	251 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	252
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	253 #if G_BYTE_ORDER == G_LITTLE_ENDIAN
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	254 # define xs_md5_bytereverse(buf, len) /* Nothing */
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	255 #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	256 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	257 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	258 guint32 t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	259 do {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	260 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	261 (guint32 ) buf = t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	262 buf += sizeof(guint32);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	263 } while (--l);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	264 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	265 #else
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	266 # error Unsupported endianess!
771 469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	267 #endif
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	268
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	269
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	270 /* 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	271 * initialization constants.
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 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	274 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	275 ctx->buf[0] = 0x67452301;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	276 ctx->buf[1] = 0xefcdab89;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	277 ctx->buf[2] = 0x98badcfe;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	278 ctx->buf[3] = 0x10325476;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	279
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	280 ctx->bits[0] = 0;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	281 ctx->bits[1] = 0;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	282 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	283
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	284
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	285 /* 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	286 * 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	287 * 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	288 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	289 #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	290 #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	291 #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	292 #define F4(x, y, z) (y ^ (x \| ~z))
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	293 #define MD5STEP(f, w, x, y, z, data, s) \
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	294 ( w += f(x, y, z) + data, w = w<<s \| w>>(32-s), w += x )
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 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	297 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	298 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	299
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	300 a = buf[0];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	301 b = buf[1];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	302 c = buf[2];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	303 d = buf[3];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	304
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	305 MD5STEP(F1, a, b, c, d, in[ 0] + 0xd76aa478, 7);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	306 MD5STEP(F1, d, a, b, c, in[ 1] + 0xe8c7b756, 12);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	307 MD5STEP(F1, c, d, a, b, in[ 2] + 0x242070db, 17);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	308 MD5STEP(F1, b, c, d, a, in[ 3] + 0xc1bdceee, 22);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	309 MD5STEP(F1, a, b, c, d, in[ 4] + 0xf57c0faf, 7);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	310 MD5STEP(F1, d, a, b, c, in[ 5] + 0x4787c62a, 12);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	311 MD5STEP(F1, c, d, a, b, in[ 6] + 0xa8304613, 17);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	312 MD5STEP(F1, b, c, d, a, in[ 7] + 0xfd469501, 22);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	313 MD5STEP(F1, a, b, c, d, in[ 8] + 0x698098d8, 7);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	314 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	315 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	316 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	317 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	318 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	319 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	320 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	321
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	322 MD5STEP(F2, a, b, c, d, in[ 1] + 0xf61e2562, 5);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	323 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	324 MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	325 MD5STEP(F2, b, c, d, a, in[ 0] + 0xe9b6c7aa, 20);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	326 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	327 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	328 MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	329 MD5STEP(F2, b, c, d, a, in[ 4] + 0xe7d3fbc8, 20);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	330 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	331 MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	332 MD5STEP(F2, c, d, a, b, in[ 3] + 0xf4d50d87, 14);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	333 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	334 MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	335 MD5STEP(F2, d, a, b, c, in[ 2] + 0xfcefa3f8, 9);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	336 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	337 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	338
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	339 MD5STEP(F3, a, b, c, d, in[ 5] + 0xfffa3942, 4);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	340 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	341 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	342 MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	343 MD5STEP(F3, a, b, c, d, in[ 1] + 0xa4beea44, 4);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	344 MD5STEP(F3, d, a, b, c, in[ 4] + 0x4bdecfa9, 11);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	345 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	346 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	347 MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	348 MD5STEP(F3, d, a, b, c, in[ 0] + 0xeaa127fa, 11);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	349 MD5STEP(F3, c, d, a, b, in[ 3] + 0xd4ef3085, 16);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	350 MD5STEP(F3, b, c, d, a, in[ 6] + 0x04881d05, 23);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	351 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	352 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	353 MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	354 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	355
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	356 MD5STEP(F4, a, b, c, d, in[ 0] + 0xf4292244, 6);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	357 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	358 MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	359 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	360 MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	361 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	362 MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	363 MD5STEP(F4, b, c, d, a, in[ 1] + 0x85845dd1, 21);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	364 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	365 MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	366 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	367 MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	368 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	369 MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
772 91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	370 MD5STEP(F4, c, d, a, b, in[ 2] + 0x2ad7d2bb, 15);
91a36a4b79c6 Cosmetics. Matti Hamalainen <ccr@tnsp.org> parents: 771 diff changeset	371 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	372
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	373 buf[0] += a;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	374 buf[1] += b;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	375 buf[2] += c;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	376 buf[3] += d;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	377 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	378
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	379
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	380 /* 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	381 * of bytes.
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	382 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	383 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	384 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	385 guint32 t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	386
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	387 /* Update bitcount */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	388 t = ctx->bits[0];
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	389 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	390 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	391 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	392
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	393 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	394
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	395 /* Handle any leading odd-sized chunks */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	396 if (t) {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	397 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	398
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	399 t = 64 - t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	400 if (len < t) {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	401 memcpy(p, buf, len);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	402 return;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	403 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	404 memcpy(p, buf, t);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	405 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	406 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	407 buf += t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	408 len -= t;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	409 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	410
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	411 /* Process data in 64-byte chunks */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	412 while (len >= 64) {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	413 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	414 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	415 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	416 buf += 64;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	417 len -= 64;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	418 }
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 /* 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	421 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	422 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	423
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	424 /* 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	425 * 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	426 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	427 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	428 {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	429 guint count;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	430 guint8 *p;
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 /* 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	433 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	434
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	435 /* 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	436 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	437 p = ctx->in + count;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	438 *p++ = 0x80;
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	439
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	440 /* 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	441 count = 64 - 1 - count;
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 /* Pad out to 56 mod 64 */
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	444 if (count < 8) {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	445 /* 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	446 memset(p, 0, count);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	447 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	448 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	449
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	450 /* 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	451 memset(ctx->in, 0, 56);
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	452 } else {
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	453 /* 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	454 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	455 }
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	456 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	457
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	458 /* Append length in bits and transform */
792 bee1f36efc16 Fix potential aliasing issues. Matti Hamalainen <ccr@tnsp.org> parents: 772 diff changeset	459 memcpy(((guint32 *) ctx->in) + 14, &ctx->bits[0], sizeof(guint32));
bee1f36efc16 Fix potential aliasing issues. Matti Hamalainen <ccr@tnsp.org> parents: 772 diff changeset	460 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	461
469b341734b2 Move MD5 implementation into xs_support, and some related Audacious Matti Hamalainen <ccr@tnsp.org> parents: 763 diff changeset	462 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	463 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	464 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	465 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	466 }

Mercurial > hg > xmms-sid

annotate src/xs_support.c @ 867:051ef70d0123