diff options
| author | Sean Bartell <wingedtachikoma@gmail.com> | 2011-06-25 21:32:25 -0400 |
|---|---|---|
| committer | Nils Wallménius <nils@rockbox.org> | 2012-04-25 22:13:20 +0200 |
| commit | f40bfc9267b13b54e6379dfe7539447662879d24 (patch) | |
| tree | 9b20069d5e62809ff434061ad730096836f916f2 /apps/codecs/libgme/inflate | |
| parent | a0009907de7a0107d49040d8a180f140e2eff299 (diff) | |
| download | rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.zip rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.bz2 rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.xz | |
Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'apps/codecs/libgme/inflate')
| -rw-r--r-- | apps/codecs/libgme/inflate/bbfuncs.c | 147 | ||||
| -rw-r--r-- | apps/codecs/libgme/inflate/bbfuncs.h | 33 | ||||
| -rw-r--r-- | apps/codecs/libgme/inflate/inflate.c | 1156 | ||||
| -rw-r--r-- | apps/codecs/libgme/inflate/inflate.h | 30 | ||||
| -rw-r--r-- | apps/codecs/libgme/inflate/mallocer.c | 86 | ||||
| -rw-r--r-- | apps/codecs/libgme/inflate/mallocer.h | 16 | ||||
| -rw-r--r-- | apps/codecs/libgme/inflate/mbreader.c | 16 | ||||
| -rw-r--r-- | apps/codecs/libgme/inflate/mbreader.h | 15 |
8 files changed, 0 insertions, 1499 deletions
diff --git a/apps/codecs/libgme/inflate/bbfuncs.c b/apps/codecs/libgme/inflate/bbfuncs.c deleted file mode 100644 index 3b23c3b..0000000 --- a/apps/codecs/libgme/inflate/bbfuncs.c +++ /dev/null @@ -1,147 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - -#include "bbfuncs.h" - -#if defined(ROCKBOX) -#include "codeclib.h" -#endif - -void error_die(const char* msg) -{ - (void)msg; -} - -void error_msg(const char* msg) -{ - (void)msg; -} - -size_t safe_read(struct mbreader_t *md, void *buf, size_t count) -{ - ssize_t n; - - do { - n = mbread(md, buf, count); - } while (n < 0&&n!=-1); - - return n; -} - -/* - * Read all of the supplied buffer from a file This does multiple reads as - *necessary. Returns the amount read, or -1 on an error. A short read is - *returned on an end of file. - */ -ssize_t full_read(struct mbreader_t *md, void *buf, size_t len) -{ - ssize_t cc; - ssize_t total; - - total = 0; - - while (len) - { - cc = safe_read(md, buf, len); - - if (cc < 0) - return cc; /* read() returns -1 on failure. */ - - if (cc == 0) - break; - - buf = ((char *)buf) + cc; - total += cc; - len -= cc; - } - - return total; -} - -/* Die with an error message if we can't read the entire buffer. */ -void xread(struct mbreader_t *md, void *buf, ssize_t count) -{ - if (count) - { - ssize_t size = full_read(md, buf, count); - if (size != count) - error_die("short read"); - } -} - -/* Die with an error message if we can't read one character. */ -unsigned char xread_char(struct mbreader_t *md) -{ - unsigned char tmp; - - xread(md, &tmp, 1); - - return tmp; -} - -void check_header_gzip(struct mbreader_t *src_md) -{ - union { - unsigned char raw[8]; - struct { - unsigned char method; - unsigned char flags; - unsigned int mtime; - unsigned char xtra_flags; - unsigned char os_flags; - } formatted; - } header; - - xread(src_md, header.raw, 8); - - /* Check the compression method */ - if (header.formatted.method != 8) - error_die("Unknown compression method"); - - if (header.formatted.flags & 0x04) - { - /* bit 2 set: extra field present */ - unsigned char extra_short; - - extra_short = xread_char(src_md) + (xread_char(src_md) << 8); - while (extra_short > 0) - { - /* Ignore extra field */ - xread_char(src_md); - extra_short--; - } - } - - /* Discard original name if any */ - if (header.formatted.flags & 0x08) - /* bit 3 set: original file name present */ - while(xread_char(src_md) != 0) ; - - /* Discard file comment if any */ - if (header.formatted.flags & 0x10) - /* bit 4 set: file comment present */ - while(xread_char(src_md) != 0) ; - - /* Read the header checksum */ - if (header.formatted.flags & 0x02) - { - xread_char(src_md); - xread_char(src_md); - } -} diff --git a/apps/codecs/libgme/inflate/bbfuncs.h b/apps/codecs/libgme/inflate/bbfuncs.h deleted file mode 100644 index fe03ec1..0000000 --- a/apps/codecs/libgme/inflate/bbfuncs.h +++ /dev/null @@ -1,33 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - -#ifndef BBFUNCS_H -#define BBFUNCS_H - -#include "mbreader.h" - -void error_die(const char* msg); -void error_msg(const char* msg); -size_t safe_read(struct mbreader_t *md, void *buf, size_t count); -ssize_t full_read(struct mbreader_t *md, void *buf, size_t len); -void xread(struct mbreader_t *md, void *buf, ssize_t count); -unsigned char xread_char(struct mbreader_t *md); -void check_header_gzip(struct mbreader_t *md); - -#endif diff --git a/apps/codecs/libgme/inflate/inflate.c b/apps/codecs/libgme/inflate/inflate.c deleted file mode 100644 index 130abe8..0000000 --- a/apps/codecs/libgme/inflate/inflate.c +++ /dev/null @@ -1,1156 +0,0 @@ -/* - * gunzip implementation for wikiviewer (c) Frederik M.J.V., 2006. - * some bug fixes by Adam Gashlin gunzip implementation for busybox - * - * Based on GNU gzip v1.2.4 Copyright (C) 1992-1993 Jean-loup Gailly. - * - * Originally adjusted for busybox by Sven Rudolph <sr1@inf.tu-dresden.de> - * based on gzip sources - * - * Adjusted further by Erik Andersen <andersen@codepoet.org> to support files as - *well as stdin/stdout, and to generally behave itself wrt command line - *handling. - * - * General cleanup to better adhere to the style guide and make use of standard - *busybox functions by Glenn McGrath <bug1@iinet.net.au> - * - * read_gz interface + associated hacking by Laurence Anderson - * - * Fixed huft_build() so decoding end-of-block code does not grab more bits than - *necessary (this is required by unzip applet), added inflate_cleanup() to free - *leaked bytebuffer memory (used in unzip.c), and some minor style guide - *cleanups by Ed Clark - * - * gzip (GNU zip) -- compress files with zip algorithm and 'compress' interface - *Copyright (C) 1992-1993 Jean-loup Gailly The unzip code was written and put in - *the public domain by Mark Adler. Portions of the lzw code are derived from the - *public domain 'compress' - * written by Spencer Thomas, Joe Orost, James Woods, Jim McKie, Steve Davies, - *Ken Turkowski, Dave Mack and Peter Jannesen. - * - * - * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. - */ - -#include <inttypes.h> -#ifndef NULL -#define NULL 0 -#endif -#define ENABLE_DESKTOP 0 -#define USE_DESKTOP(...) -#include "mallocer.h" -#include "bbfuncs.h" -#include "inflate.h" - -#define TRIM_FILE_ON_ERROR 1 - -typedef struct huft_s { - unsigned char e; /* number of extra bits or operation */ - unsigned char b; /* number of bits in this code or subcode */ - union { - unsigned short n; /* literal, length base, or distance base */ - struct huft_s *t; /* pointer to next level of table */ - } v; -} huft_t; - -/*static void *mainmembuf;*/ -static void *huftbuffer1; -static void *huftbuffer2; - -#define HUFT_MMP1 8 -#define HUFT_MMP2 9 - -static struct mbreader_t *gunzip_src_md; -static unsigned int gunzip_bytes_out; /* number of output bytes */ -static unsigned int gunzip_outbuf_count; /* bytes in output buffer */ - -/* gunzip_window size--must be a power of two, and at least 32K for zip's - deflate method */ -enum { - gunzip_wsize = 0x8000 -}; - -static unsigned char *gunzip_window; -static uint32_t ifl_total; - -static uint32_t gunzip_crc; - -/* If BMAX needs to be larger than 16, then h and x[] should be ulg. */ -#define BMAX 16 /* maximum bit length of any code (16 for explode) */ -#define N_MAX 288 /* maximum number of codes in any set */ - -/* bitbuffer */ -static unsigned int gunzip_bb; /* bit buffer */ -static unsigned char gunzip_bk; /* bits in bit buffer */ - -/* These control the size of the bytebuffer */ -static unsigned int bytebuffer_max = 0x8000; -static unsigned char *bytebuffer = NULL; -static unsigned int bytebuffer_offset = 0; -static unsigned int bytebuffer_size = 0; - -static const unsigned short mask_bits[] = { - 0x0000, 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff, - 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff -}; - -/* Copy lengths for literal codes 257..285 */ -static const unsigned short cplens[] = { - 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, - 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0 -}; - -/* note: see note #13 above about the 258 in this list. */ -/* Extra bits for literal codes 257..285 */ -static const unsigned char cplext[] = { - 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, - 5, 5, 5, 0, 99, 99 -}; /* 99==invalid */ - -/* Copy offsets for distance codes 0..29 */ -static const unsigned short cpdist[] = { - 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, - 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577 -}; - -/* Extra bits for distance codes */ -static const unsigned char cpdext[] = { - 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, - 11, 11, 12, 12, 13, 13 -}; - -/* Tables for deflate from PKZIP's appnote.txt. */ -/* Order of the bit length code lengths */ -static const unsigned char border[] = { - 16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15 -}; - -static const uint32_t crc_table[256]= { - 0,1996959894,-301047508,-1727442502,124634137,1886057615, - -379345611,-1637575261,249268274,2044508324,-522852066, - -1747789432,162941995,2125561021,-407360249,-1866523247, - 498536548,1789927666,-205950648,-2067906082,450548861, - 1843258603,-187386543,-2083289657,325883990,1684777152, - -43845254,-1973040660,335633487,1661365465,-99664541, - -1928851979,997073096,1281953886,-715111964,-1570279054, - 1006888145,1258607687,-770865667,-1526024853,901097722, - 1119000684,-608450090,-1396901568,853044451,1172266101, - -589951537,-1412350631,651767980,1373503546,-925412992, - -1076862698,565507253,1454621731,-809855591,-1195530993, - 671266974,1594198024,-972236366,-1324619484,795835527, - 1483230225,-1050600021,-1234817731,1994146192,31158534, - -1731059524,-271249366,1907459465,112637215,-1614814043, - -390540237,2013776290,251722036,-1777751922,-519137256, - 2137656763,141376813,-1855689577,-429695999,1802195444, - 476864866,-2056965928,-228458418,1812370925,453092731, - -2113342271,-183516073,1706088902,314042704,-1950435094, - -54949764,1658658271,366619977,-1932296973,-69972891, - 1303535960,984961486,-1547960204,-725929758,1256170817, - 1037604311,-1529756563,-740887301,1131014506,879679996, - -1385723834,-631195440,1141124467,855842277,-1442165665, - -586318647,1342533948,654459306,-1106571248,-921952122, - 1466479909,544179635,-1184443383,-832445281,1591671054, - 702138776,-1328506846,-942167884,1504918807,783551873, - -1212326853,-1061524307,-306674912,-1698712650,62317068, - 1957810842,-355121351,-1647151185,81470997,1943803523, - -480048366,-1805370492,225274430,2053790376,-468791541, - -1828061283,167816743,2097651377,-267414716,-2029476910, - 503444072,1762050814,-144550051,-2140837941,426522225, - 1852507879,-19653770,-1982649376,282753626,1742555852, - -105259153,-1900089351,397917763,1622183637,-690576408, - -1580100738,953729732,1340076626,-776247311,-1497606297, - 1068828381,1219638859,-670225446,-1358292148,906185462, - 1090812512,-547295293,-1469587627,829329135,1181335161, - -882789492,-1134132454,628085408,1382605366,-871598187, - -1156888829,570562233,1426400815,-977650754,-1296233688, - 733239954,1555261956,-1026031705,-1244606671,752459403, - 1541320221,-1687895376,-328994266,1969922972,40735498, - -1677130071,-351390145,1913087877,83908371,-1782625662, - -491226604,2075208622,213261112,-1831694693,-438977011, - 2094854071,198958881,-2032938284,-237706686,1759359992, - 534414190,-2118248755,-155638181,1873836001,414664567, - -2012718362,-15766928,1711684554,285281116,-1889165569, - -127750551,1634467795,376229701,-1609899400,-686959890, - 1308918612,956543938,-1486412191,-799009033,1231636301, - 1047427035,-1362007478,-640263460,1088359270,936918000, - -1447252397,-558129467,1202900863,817233897,-1111625188, - -893730166,1404277552,615818150,-1160759803,-841546093, - 1423857449,601450431,-1285129682,-1000256840,1567103746, - 711928724,-1274298825,-1022587231,1510334235,755167117 -}; - -static unsigned int fill_bitbuffer(unsigned int bitbuffer, unsigned int *current, - const unsigned int required) -{ - while (*current < required) - { - if (bytebuffer_offset >= bytebuffer_size) - { - /* Leave the first 4 bytes empty so we can always unwind the - bitbuffer to the front of the bytebuffer, leave 4 bytes free at - end of tail so we can easily top up buffer in - check_trailer_gzip() */ - if (1 > (bytebuffer_size = safe_read(gunzip_src_md, &bytebuffer[4], - bytebuffer_max - 8))) - error_die("unexpected end of file"); - - bytebuffer_size += 4; - bytebuffer_offset = 4; - } - - bitbuffer |= ((unsigned int) bytebuffer[bytebuffer_offset]) << *current; - bytebuffer_offset++; - *current += 8; - } - return(bitbuffer); -} - -/* - * Free the malloc'ed tables built by huft_build(), which makes a linked list of - *the tables it made, with the links in a dummy first entry of each table. - * t: table to free - */ -static int huft_free(huft_t * t,unsigned char bufnum) -{ - wpw_reset_mempool(bufnum); - if(t==0) - { - } - - return 0; -} - -/* Given a list of code lengths and a maximum table size, make a set of tables - to decode that set of codes. Return zero on success, one if the given code - set is incomplete (the tables are still built in this case), two if the input - is invalid (all zero length codes or an oversubscribed set of lengths), and - three if not enough memory. - * - * b: code lengths in bits (all assumed <= BMAX) n: number of codes - *(assumed <= N_MAX) s: number of simple-valued codes (0..s-1) d: list of - *base values for non-simple codes e: list of extra bits for non-simple codes - *t: result: starting table m: maximum lookup bits, returns actual bufnum: - *the number of the memory pool to fetch memory from - */ -static -int huft_build(unsigned int *b, const unsigned int n, - const unsigned int s, const unsigned short *d, - const unsigned char *e, huft_t ** t, unsigned int *m, - unsigned char bufnum) -{ - unsigned a=0; /* counter for codes of length k */ - unsigned c[BMAX + 1]; /* bit length count table */ - unsigned eob_len=0; /* length of end-of-block code (value 256) */ - unsigned f=0; /* i repeats in table every f entries */ - int g=0; /* maximum code length */ - int htl=0; /* table level */ - unsigned i=0; /* counter, current code */ - unsigned j=0; /* counter */ - int k=0; /* number of bits in current code */ - unsigned *p; /* pointer into c[], b[], or v[] */ - huft_t *q; /* points to current table */ - huft_t r; /* table entry for structure assignment */ - huft_t *u[BMAX]; /* table stack */ - unsigned v[N_MAX]; /* values in order of bit length */ - int ws[BMAX+1]; /* bits decoded stack */ - int w=0; /* bits decoded */ - unsigned x[BMAX + 1]; /* bit offsets, then code stack */ - unsigned *xp; /* pointer into x */ - int y=0; /* number of dummy codes added */ - unsigned z=0; /* number of entries in current table */ - - /* Length of EOB code, if any */ - eob_len = n > 256 ? b[256] : BMAX; - - /* Generate counts for each bit length */ - memset((void *)c, 0, sizeof(c)); - p = b; - i = n; - do { - c[*p]++; /* assume all entries <= BMAX */ - p++; /* Can't combine with above line (Solaris bug) */ - } while (--i); - if (c[0] == n) /* null input--all zero length codes */ - { - *t = (huft_t *) NULL; - *m = 0; - return 2; - } - - /* Find minimum and maximum length, bound *m by those */ - for (j = 1; (c[j] == 0) && (j <= BMAX); j++) ; - - k = j; /* minimum code length */ - for (i = BMAX; (c[i] == 0) && i; i--) ; - - g = i; /* maximum code length */ - *m = (*m < j) ? j : ((*m > i) ? i : *m); - - /* Adjust last length count to fill out codes, if needed */ - for (y = 1 << j; j < i; j++, y <<= 1) - { - if ((y -= c[j]) < 0) - return 2; /* bad input: more codes than bits */ - } - - if ((y -= c[i]) < 0) - return 2; - - c[i] += y; - - /* Generate starting offsets into the value table for each length */ - x[1] = j = 0; - p = c + 1; - xp = x + 2; - while (--i) /* note that i == g from above */ - { - *xp++ = (j += *p++); - } - - /* Make a table of values in order of bit lengths */ - p = b; - i = 0; - do { - if ((j = *p++) != 0) - v[x[j]++] = i; - } while (++i < n); - - /* Generate the Huffman codes and for each, make the table entries */ - x[0] = i = 0; /* first Huffman code is zero */ - p = v; /* grab values in bit order */ - htl = -1; /* no tables yet--level -1 */ - w = ws[0] = 0; /* bits decoded */ - u[0] = (huft_t *) NULL; /* just to keep compilers happy */ - q = (huft_t *) NULL; /* ditto */ - z = 0; /* ditto */ - - /* go through the bit lengths (k already is bits in shortest code) */ - for (; k <= g; k++) - { - a = c[k]; - while (a--) - { - /* here i is the Huffman code of length k bits for value *p */ - /* make tables up to required level */ - while (k > ws[htl + 1]) - { - w = ws[++htl]; - - /* compute minimum size table less than or equal to *m bits */ - z = (z = g - w) > *m ? *m : z; /* upper limit on table size */ - if ((f = 1 << (j = k - w)) > a + 1) /* try a k-w bit table */ - { /* too few codes for k-w bit table */ - f -= a + 1; /* deduct codes from patterns left */ - xp = c + k; - while (++j < z) /* try smaller tables up to z bits */ - { - if ((f <<= 1) <= *++xp) - break; /* enough codes to use up j bits */ - - f -= *xp; /* else deduct codes from patterns */ - } - } - - j = ((unsigned)(w + j) > eob_len && (unsigned)w < eob_len) - ? eob_len - w : j; /* make EOB code end at table */ - z = 1 << j; /* table entries for j-bit table */ - ws[htl+1] = w + j; /* set bits decoded in stack */ - - /* allocate and link in new table */ - q = (huft_t *) wpw_malloc(bufnum,(z + 1) * sizeof(huft_t)); - if(q==0) - return 3; - - *t = q + 1; /* link to list for huft_free() */ - t = &(q->v.t); - u[htl] = ++q; /* table starts after link */ - - /* connect to last table, if there is one */ - if (htl) - { - x[htl] = i; /* save pattern for backing up */ - - /* bits to dump before this table */ - r.b = (unsigned char) (w - ws[htl - 1]); - r.e = (unsigned char) (16 + j); /* bits in this table */ - r.v.t = q; /* pointer to this table */ - j = (i & ((1 << w) - 1)) >> ws[htl - 1]; - u[htl - 1][j] = r; /* connect to last table */ - } - } - - /* set up table entry in r */ - r.b = (unsigned char) (k - w); - if (p >= v + n) - r.e = 99; /* out of values--invalid code */ - else if (*p < s) - { - r.e = (unsigned char) (*p < 256 ? 16 : 15); /* 256 is EOB - code */ - r.v.n = (unsigned short) (*p++); /* simple code is just the - value */ - } - else - { - r.e = (unsigned char) e[*p - s]; /* non-simple--look up in lists - */ - r.v.n = d[*p++ - s]; - } - - /* fill code-like entries with r */ - f = 1 << (k - w); - for (j = i >> w; j < z; j += f) - { - q[j] = r; - } - - /* backwards increment the k-bit code i */ - for (j = 1 << (k - 1); i &j; j >>= 1) - { - i ^= j; - } - i ^= j; - - /* backup over finished tables */ - while ((i & ((1 << w) - 1)) != x[htl]) - { - w = ws[--htl]; - } - } - } - - /* return actual size of base table */ - *m = ws[1]; - - /* Return true (1) if we were given an incomplete table */ - return y != 0 && g != 1; -} - -/* - * inflate (decompress) the codes in a deflated (compressed) block. Return an - *error code or zero if it all goes ok. - * - * tl, td: literal/length and distance decoder tables bl, bd: number of bits - *decoded by tl[] and td[] - */ -static int inflate_codes_resumeCopy = 0; -static int inflate_codes(huft_t * my_tl, huft_t * my_td, - const unsigned int my_bl, const unsigned int my_bd, - int setup) -{ - static unsigned int e; /* table entry flag/number of extra bits */ - static unsigned int n, d; /* length and index for copy */ - static unsigned int w; /* current gunzip_window position */ - static huft_t *t; /* pointer to table entry */ - static unsigned int ml, md; /* masks for bl and bd bits */ - static unsigned int b; /* bit buffer */ - static unsigned int k; /* number of bits in bit buffer */ - static huft_t *tl, *td; - static unsigned int bl, bd; - - if (setup) /* 1st time we are called, copy in variables */ - { - tl = my_tl; - td = my_td; - bl = my_bl; - bd = my_bd; - /* make local copies of globals */ - b = gunzip_bb; /* initialize bit buffer */ - k = gunzip_bk; - w = gunzip_outbuf_count; /* initialize gunzip_window position - */ - - /* inflate the coded data */ - ml = mask_bits[bl]; /* precompute masks for speed */ - md = mask_bits[bd]; - return 0; /* Don't actually do anything the first time */ - } - - if (inflate_codes_resumeCopy) goto do_copy; - - while (1) /* do until end of block */ - { - b = fill_bitbuffer(b, &k, bl); - if ((e = (t = tl + ((unsigned) b & ml))->e) > 16) - do { - if (e == 99) - error_die("inflate_codes error 1"); - - b >>= t->b; - k -= t->b; - e -= 16; - b = fill_bitbuffer(b, &k, e); - } while ((e = - (t = t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16); - - b >>= t->b; - k -= t->b; - if (e == 16) /* then it's a literal */ - { - gunzip_window[w++] = (unsigned char) t->v.n; - if (w == gunzip_wsize) - { - gunzip_outbuf_count = (w); - w = 0; - return 1; /* We have a block to read */ - } - } - else /* it's an EOB or a length */ - { /* exit if end of block */ - if (e == 15) - break; - - /* get length of block to copy */ - b = fill_bitbuffer(b, &k, e); - n = t->v.n + ((unsigned) b & mask_bits[e]); - b >>= e; - k -= e; - - /* decode distance of block to copy */ - b = fill_bitbuffer(b, &k, bd); - if ((e = (t = td + ((unsigned) b & md))->e) > 16) - do { - if (e == 99) - error_die("inflate_codes error 2"); - - b >>= t->b; - k -= t->b; - e -= 16; - b = fill_bitbuffer(b, &k, e); - } while ((e = - (t = - t->v.t + ((unsigned) b & mask_bits[e]))->e) > 16); - - b >>= t->b; - k -= t->b; - b = fill_bitbuffer(b, &k, e); - d = w - t->v.n - ((unsigned) b & mask_bits[e]); - b >>= e; - k -= e; - - /* do the copy */ -do_copy: do { - n -= (e = - (e = - gunzip_wsize - ((d &= gunzip_wsize - 1) > w ? d : w)) > n ? n : e); - /* copy to new buffer to prevent possible overwrite */ - if (w - d >= e) /* (this test assumes unsigned comparison) - */ - { - memcpy(gunzip_window + w, gunzip_window + d, e); - w += e; - d += e; - } - else - { - /* do it slow to avoid memcpy() overlap */ - /* !NOMEMCPY */ - do { - gunzip_window[w++] = gunzip_window[d++]; - } while (--e); - } - - if (w == gunzip_wsize) - { - gunzip_outbuf_count = (w); - if (n) inflate_codes_resumeCopy = 1; - else inflate_codes_resumeCopy = 0; - - w = 0; - return 1; - } - } while (n); - inflate_codes_resumeCopy = 0; - } - } - - /* restore the globals from the locals */ - gunzip_outbuf_count = w; /* restore global gunzip_window pointer */ - gunzip_bb = b; /* restore global bit buffer */ - gunzip_bk = k; - - /* normally just after call to inflate_codes, but save code by putting it - here */ - /* free the decoding tables, return */ - huft_free(tl,HUFT_MMP1); - huft_free(td,HUFT_MMP2); - - /* done */ - return 0; -} - -static int inflate_stored(int my_n, int my_b_stored, int my_k_stored, int setup) -{ - static unsigned int n, b_stored, k_stored, w; - if (setup) - { - n = my_n; - b_stored = my_b_stored; - k_stored = my_k_stored; - w = gunzip_outbuf_count; /* initialize gunzip_window position */ - return 0; /* Don't do anything first time */ - } - - /* read and output the compressed data */ - while (n--) - { - b_stored = fill_bitbuffer(b_stored, &k_stored, 8); - gunzip_window[w++] = (unsigned char) b_stored; - if (w == gunzip_wsize) - { - gunzip_outbuf_count = (w); - w = 0; - b_stored >>= 8; - k_stored -= 8; - return 1; /* We have a block */ - } - - b_stored >>= 8; - k_stored -= 8; - } - - /* restore the globals from the locals */ - gunzip_outbuf_count = w; /* restore global gunzip_window pointer */ - gunzip_bb = b_stored; /* restore global bit buffer */ - gunzip_bk = k_stored; - return 0; /* Finished */ -} - -/* - * decompress an inflated block e: last block flag - * - * GLOBAL VARIABLES: bb, kk, - */ -/* Return values: -1 = inflate_stored, -2 = inflate_codes */ -static int inflate_block(int *e) -{ - unsigned t; /* block type */ - unsigned int b; /* bit buffer */ - unsigned int k; /* number of bits in bit buffer */ - - /* make local bit buffer */ - - b = gunzip_bb; - k = gunzip_bk; - - /* read in last block bit */ - b = fill_bitbuffer(b, &k, 1); - *e = (int) b & 1; - b >>= 1; - k -= 1; - - /* read in block type */ - b = fill_bitbuffer(b, &k, 2); - t = (unsigned) b & 3; - b >>= 2; - k -= 2; - - /* restore the global bit buffer */ - gunzip_bb = b; - gunzip_bk = k; - - /* inflate that block type */ - switch (t) - { - case 0: /* Inflate stored */ - { - unsigned int n=0; /* number of bytes in block */ - - /* make local copies of globals */ - unsigned int b_stored=gunzip_bb; /* bit buffer */ - unsigned int k_stored=gunzip_bk; /* number of bits in bit buffer */ - - /* go to byte boundary */ - n = k_stored & 7; - b_stored >>= n; - k_stored -= n; - - /* get the length and its complement */ - b_stored = fill_bitbuffer(b_stored, &k_stored, 16); - n = ((unsigned) b_stored & 0xffff); - b_stored >>= 16; - k_stored -= 16; - - b_stored = fill_bitbuffer(b_stored, &k_stored, 16); - if (n != (unsigned) ((~b_stored) & 0xffff)) - return 1; /* error in compressed data */ - - b_stored >>= 16; - k_stored -= 16; - - inflate_stored(n, b_stored, k_stored, 1); /* Setup inflate_stored */ - return -1; - } - case 1: /* Inflate fixed decompress an inflated type 1 (fixed - Huffman codes) block. We should either replace this - with a custom decoder, or at least precompute the - Huffman tables. - */ - { - int i; /* temporary variable */ - huft_t *tl; /* literal/length code table */ - huft_t *td; /* distance code table */ - unsigned int bl; /* lookup bits for tl */ - unsigned int bd; /* lookup bits for td */ - unsigned int l[288]; /* length list for huft_build */ - - /* set up literal table */ - for (i = 0; i < 144; i++) - { - l[i] = 8; - } - for (; i < 256; i++) - { - l[i] = 9; - } - for (; i < 280; i++) - { - l[i] = 7; - } - for (; i < 288; i++) /* make a complete, but wrong code set */ - { - l[i] = 8; - } - bl = 7; - if ((i = huft_build(l, 288, 257, cplens, cplext, &tl, &bl,HUFT_MMP1)) != 0) - return i; - - /* set up distance table */ - for (i = 0; i < 30; i++) /* make an incomplete code set */ - { - l[i] = 5; - } - bd = 5; - if ((i = huft_build(l, 30, 0, cpdist, cpdext, &td, &bd,HUFT_MMP2)) > 1) - { - huft_free(tl,HUFT_MMP1); - return i; - } - - /* decompress until an end-of-block code */ - inflate_codes(tl, td, bl, bd, 1); /* Setup inflate_codes */ - - /* huft_free code moved into inflate_codes */ - - return -2; - } - case 2: /* Inflate dynamic */ - { - const int dbits = 6; /* bits in base distance lookup table */ - const int lbits = 9; /* bits in base literal/length lookup table */ - - huft_t *tl; /* literal/length code table */ - huft_t *td; /* distance code table */ - unsigned int i; /* temporary variables */ - unsigned int j; - unsigned int l; /* last length */ - unsigned int m; /* mask for bit lengths table */ - unsigned int n; /* number of lengths to get */ - unsigned int bl; /* lookup bits for tl */ - unsigned int bd; /* lookup bits for td */ - unsigned int nb; /* number of bit length codes */ - unsigned int nl; /* number of literal/length codes */ - unsigned int nd; /* number of distance codes */ - - unsigned int ll[286 + 30]; /* literal/length and distance code - lengths */ - unsigned int b_dynamic; /* bit buffer */ - unsigned int k_dynamic; /* number of bits in bit buffer */ - - /* make local bit buffer */ - b_dynamic = gunzip_bb; - k_dynamic = gunzip_bk; - - /* read in table lengths */ - b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 5); - nl = 257 + ((unsigned int) b_dynamic & 0x1f); /* number of - literal/length codes - */ - - b_dynamic >>= 5; - k_dynamic -= 5; - b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 5); - nd = 1 + ((unsigned int) b_dynamic & 0x1f); /* number of distance - codes */ - - b_dynamic >>= 5; - k_dynamic -= 5; - b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 4); - nb = 4 + ((unsigned int) b_dynamic & 0xf); /* number of bit length - codes */ - - b_dynamic >>= 4; - k_dynamic -= 4; - if (nl > 286 || nd > 30) - return 1; /* bad lengths */ - - /* read in bit-length-code lengths */ - for (j = 0; j < nb; j++) - { - b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 3); - ll[border[j]] = (unsigned int) b_dynamic & 7; - b_dynamic >>= 3; - k_dynamic -= 3; - } - for (; j < 19; j++) - { - ll[border[j]] = 0; - } - - /* build decoding table for trees--single level, 7 bit lookup */ - bl = 7; - i = huft_build(ll, 19, 19, NULL, NULL, &tl, &bl,HUFT_MMP1); - if (i != 0) - { - if (i == 1) - huft_free(tl,HUFT_MMP1); - - return i; /* incomplete code set */ - } - - /* read in literal and distance code lengths */ - n = nl + nd; - m = mask_bits[bl]; - i = l = 0; - while ((unsigned int) i < n) - { - b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, (unsigned int)bl); - j = (td = tl + ((unsigned int) b_dynamic & m))->b; - b_dynamic >>= j; - k_dynamic -= j; - j = td->v.n; - if (j < 16) /* length of code in bits (0..15) */ - ll[i++] = l = j; /* save last length in l */ - else if (j == 16) /* repeat last length 3 to 6 times */ - { - b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 2); - j = 3 + ((unsigned int) b_dynamic & 3); - b_dynamic >>= 2; - k_dynamic -= 2; - if ((unsigned int) i + j > n) - return 1; - - while (j--) - { - ll[i++] = l; - } - } - else if (j == 17) /* 3 to 10 zero length codes */ - { - b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 3); - j = 3 + ((unsigned int) b_dynamic & 7); - b_dynamic >>= 3; - k_dynamic -= 3; - if ((unsigned int) i + j > n) - return 1; - - while (j--) - { - ll[i++] = 0; - } - l = 0; - } - else /* j == 18: 11 to 138 zero length codes */ - { - b_dynamic = fill_bitbuffer(b_dynamic, &k_dynamic, 7); - j = 11 + ((unsigned int) b_dynamic & 0x7f); - b_dynamic >>= 7; - k_dynamic -= 7; - if ((unsigned int) i + j > n) - return 1; - - while (j--) - { - ll[i++] = 0; - } - l = 0; - } - } - - /* free decoding table for trees */ - huft_free(tl,HUFT_MMP1); - - /* restore the global bit buffer */ - gunzip_bb = b_dynamic; - gunzip_bk = k_dynamic; - - /* build the decoding tables for literal/length and distance codes */ - bl = lbits; - - if ((i = huft_build(ll, nl, 257, cplens, cplext, &tl, &bl,HUFT_MMP1)) != 0) - { - if (i == 1) - { - error_die("Incomplete literal tree"); - huft_free(tl,HUFT_MMP1); - } - - return i; /* incomplete code set */ - } - - bd = dbits; - if ((i = huft_build(ll + nl, nd, 0, cpdist, cpdext, &td, &bd,HUFT_MMP2)) != 0) - { - if (i == 1) - { - error_die("incomplete distance tree"); - huft_free(td,HUFT_MMP2); - } - - huft_free(tl,HUFT_MMP1); - return i; /* incomplete code set */ - } - - /* decompress until an end-of-block code */ - inflate_codes(tl, td, bl, bd, 1); /* Setup inflate_codes */ - - /* huft_free code moved into inflate_codes */ - - return -2; - } - default: - /* bad block type */ - error_die("bad block type"); - } - return 0; -} - -static void calculate_gunzip_crc(void) -{ - unsigned int n; - for (n = 0; n < gunzip_outbuf_count; n++) - { - gunzip_crc = crc_table[((int) gunzip_crc ^ (gunzip_window[n])) & 0xff] - ^ (gunzip_crc >> 8); - } - gunzip_bytes_out += gunzip_outbuf_count; -} - -static int inflate_get_next_window_method = -1; /* Method == -1 for stored, -2 - for codes */ -static int inflate_get_next_window_e = 0; -static int inflate_get_next_window_needAnotherBlock = 1; - -static int inflate_get_next_window(void) -{ - gunzip_outbuf_count = 0; - - while(1) - { - int ret=0; - if (inflate_get_next_window_needAnotherBlock) - { - if(inflate_get_next_window_e) - { - calculate_gunzip_crc(); - inflate_get_next_window_e = 0; - inflate_get_next_window_needAnotherBlock = 1; - return 0; - } /* Last block */ - - inflate_get_next_window_method = inflate_block(&inflate_get_next_window_e); - inflate_get_next_window_needAnotherBlock = 0; - } - - switch (inflate_get_next_window_method) - { - case -1: ret = inflate_stored(0,0,0,0); - break; - case -2: ret = inflate_codes(0,0,0,0,0); - break; - default: - error_die("inflate error"); - } - - if (ret == 1) - { - calculate_gunzip_crc(); - return 1; /* More data left */ - } - else inflate_get_next_window_needAnotherBlock = 1; /* End of that - block */ - } - /* Doesnt get here */ -} - -/* Initialise bytebuffer, be careful not to overfill the buffer */ -static void inflate_init(unsigned int bufsize) -{ - /* Set the bytebuffer size, default is same as gunzip_wsize */ - bytebuffer_max = bufsize + 8; - bytebuffer_offset = 4; - bytebuffer_size = 0; -} - -static void inflate_cleanup(void) -{ - /* free(bytebuffer); */ -} - -USE_DESKTOP(long long) static int -inflate_unzip(struct mbreader_t *in,char* outbuffer,uint32_t outbuflen) -{ - USE_DESKTOP(long long total = 0; ) - typedef void (*sig_type)(int); - - /* Allocate all global buffers (for DYN_ALLOC option) */ - gunzip_outbuf_count = 0; - gunzip_bytes_out = 0; - gunzip_src_md = in; - - /* initialize gunzip_window, bit buffer */ - gunzip_bk = 0; - gunzip_bb = 0; - - /* Create the crc table */ - gunzip_crc = ~0; - - /* Allocate space for buffer */ - while(1) - { - int ret = inflate_get_next_window(); - if((signed int)outbuflen-(signed int)gunzip_outbuf_count<0) - { - error_msg("write_error"); - #ifdef TRIM_FILE_ON_ERROR - return USE_DESKTOP(total) + 0; - #else - return -1; - #endif - } - - memcpy(outbuffer,gunzip_window,gunzip_outbuf_count); - outbuffer+=sizeof(char)*gunzip_outbuf_count; - ifl_total+=sizeof(char)*gunzip_outbuf_count; - outbuflen-=gunzip_outbuf_count; - USE_DESKTOP(total += gunzip_outbuf_count; ) - if (ret == 0) break; - } - - /* Store unused bytes in a global buffer so calling applets can access it */ - if (gunzip_bk >= 8) - { - /* Undo too much lookahead. The next read will be byte aligned so we can - discard unused bits in the last meaningful byte. */ - bytebuffer_offset--; - bytebuffer[bytebuffer_offset] = gunzip_bb & 0xff; - gunzip_bb >>= 8; - gunzip_bk -= 8; - } - - return USE_DESKTOP(total) + 0; -} - -USE_DESKTOP(long long) static int -inflate_gunzip(struct mbreader_t *in,char* outbuffer,uint32_t outbuflen) -{ - uint32_t stored_crc = 0; - unsigned int count; - USE_DESKTOP(long long total = ) inflate_unzip(in, outbuffer,outbuflen); - - USE_DESKTOP(if (total < 0) return total; - - ) - - /* top up the input buffer with the rest of the trailer */ - count = bytebuffer_size - bytebuffer_offset; - if (count < 8) - { - xread(in, &bytebuffer[bytebuffer_size], 8 - count); - bytebuffer_size += 8 - count; - } - - for (count = 0; count != 4; count++) - { - stored_crc |= (bytebuffer[bytebuffer_offset] << (count * 8)); - bytebuffer_offset++; - } - - /* Validate decompression - crc */ - if (stored_crc != (~gunzip_crc)) - { - error_msg("crc error"); - - #ifdef TRIM_FILE_ON_ERROR - return USE_DESKTOP(total) + 0; - #else - return -1; - #endif - } - - /* Validate decompression - size */ - if ((signed int)gunzip_bytes_out != - (bytebuffer[bytebuffer_offset] | (bytebuffer[bytebuffer_offset+1] << 8) | - (bytebuffer[bytebuffer_offset+2] << 16) | (bytebuffer[bytebuffer_offset+3] << 24))) - { - error_msg("incorrect length"); - return -1; - } - - return USE_DESKTOP(total) + 0; -} - -/*An allocated memory buffer at least 0x13100 (72448) bytes long*/ -uint32_t decompress(const char *inbuffer,uint32_t inbuflen,char* outbuffer,uint32_t outbuflen,uint32_t offset,char* membuf) -{ - signed char status=0; - int exitcode=0; - struct mbreader_t src_md; - ifl_total=0; - /* reset statics */ - inflate_codes_resumeCopy = 0; - inflate_get_next_window_method = -1; /* Method == -1 for stored, -2 for - codes */ - inflate_get_next_window_e = 0; - inflate_get_next_window_needAnotherBlock = 1; - /* init */ - inflate_init(0x8000-8); - /*Memory init*/ - huftbuffer1=membuf; - huftbuffer2=membuf+0x2A00; - gunzip_window=membuf+0x2A00+0xA00; - bytebuffer=membuf+0x2A00+0xA00+0x8000; - wpw_init_mempool_pdm(HUFT_MMP1,(unsigned char*)huftbuffer1,0x2A00); - wpw_init_mempool_pdm(HUFT_MMP2,(unsigned char*)huftbuffer2,0xA00); - - /* Initialize memory buffer reader */ - src_md.ptr = inbuffer; - src_md.size = inbuflen; - src_md.offset = offset; - - if ((exitcode=xread_char(&src_md)) == 0x1f) - { - unsigned char magic2; - magic2 = xread_char(&src_md); - if (magic2 == 0x8b) - { - check_header_gzip(&src_md); /* FIXME: xfunc? _or_die? */ - status = inflate_gunzip(&src_md, outbuffer,outbuflen); - } - else - { - error_msg("invalid magic"); - exitcode = -1; - } - - if (status < 0) - { - error_msg("error inflating"); - exitcode = -1; - } - } - else - { - error_msg("invalid magic"); - exitcode = -1; - } - - inflate_cleanup(); - wpw_destroy_mempool(HUFT_MMP1); - wpw_destroy_mempool(HUFT_MMP2); - - if(exitcode==-1) - return 0; - - return ifl_total; -} diff --git a/apps/codecs/libgme/inflate/inflate.h b/apps/codecs/libgme/inflate/inflate.h deleted file mode 100644 index 0516462..0000000 --- a/apps/codecs/libgme/inflate/inflate.h +++ /dev/null @@ -1,30 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ - -#ifndef INFLATE_H -#define INFLATE_H -#include <inttypes.h> - -#if defined(ROCKBOX) -#include "codeclib.h" -#endif - -uint32_t decompress(const char *inbuffer,uint32_t inbuflen,char* outbuffer,uint32_t outbuflen, - uint32_t offset,char* membuf); -#endif diff --git a/apps/codecs/libgme/inflate/mallocer.c b/apps/codecs/libgme/inflate/mallocer.c deleted file mode 100644 index 41abedd..0000000 --- a/apps/codecs/libgme/inflate/mallocer.c +++ /dev/null @@ -1,86 +0,0 @@ - -/* - Based on the wiki viewer mallocer - Copyright (C) 2005 Dave Chapman - - @ Modified to decompress memory buffer by gama - */ - -#include "mallocer.h" -#include "codeclib.h" - -unsigned char* mallocbuffer[MEMPOOL_MAX]; -long memory_ptr[MEMPOOL_MAX]; -size_t buffersize[MEMPOOL_MAX]; - -int wpw_init_mempool(unsigned char mempool) -{ - memory_ptr[mempool] = 0; - mallocbuffer[mempool] = (unsigned char *)ci->codec_get_buffer(&buffersize[mempool]); - // memset(mallocbuf[mempool], 0, bufsize[mempool]); - return 0; -} - -int wpw_init_mempool_pdm(unsigned char mempool, - unsigned char* mem,long memsize) -{ - memory_ptr[mempool] = 0; - mallocbuffer[mempool] = mem; - buffersize[mempool]=memsize; - return 0; -} - -void wpw_reset_mempool(unsigned char mempool) -{ - memory_ptr[mempool]=0; -} - -void wpw_destroy_mempool(unsigned char mempool) -{ - memory_ptr[mempool] = 0; - mallocbuffer[mempool] =0; - buffersize[mempool]=0; -} - -long wpw_available(unsigned char mempool) -{ - return buffersize[mempool]-memory_ptr[mempool]; -} - -void* wpw_malloc(unsigned char mempool,size_t size) -{ - void* x; - - if (memory_ptr[mempool] + size > buffersize[mempool] ) - return NULL; - - x=&mallocbuffer[mempool][memory_ptr[mempool]]; - memory_ptr[mempool]+=(size+3)&~3; /* Keep memory 32-bit aligned */ - - return(x); -} - -void* wpw_calloc(unsigned char mempool,size_t nmemb, size_t size) -{ - void* x; - x = wpw_malloc(mempool,nmemb*size); - if (x == NULL) - return NULL; - - memset(x,0,nmemb*size); - return(x); -} - -void wpw_free(unsigned char mempool,void* ptr) -{ - (void)ptr; - (void)mempool; -} - -void* wpw_realloc(unsigned char mempool,void* ptr, size_t size) -{ - void* x; - (void)ptr; - x = wpw_malloc(mempool,size); - return(x); -} diff --git a/apps/codecs/libgme/inflate/mallocer.h b/apps/codecs/libgme/inflate/mallocer.h deleted file mode 100644 index 0916434..0000000 --- a/apps/codecs/libgme/inflate/mallocer.h +++ /dev/null @@ -1,16 +0,0 @@ - -#define MEMPOOL_MAX 10 -#include <inttypes.h> -#include <stdlib.h> - -int wpw_init_mempool(unsigned char mempool); -int wpw_init_mempool_pdm(unsigned char mempool, - unsigned char* mem,long memsize); - -void wpw_reset_mempool(unsigned char mempool); -void wpw_destroy_mempool(unsigned char mempool); -void* wpw_malloc(unsigned char mempool,size_t size); -void* wpw_calloc(unsigned char mempool,size_t nmemb, size_t size); -void wpw_free(unsigned char mempool,void* ptr); -void* wpw_realloc(unsigned char mempool,void* ptr, size_t size); -long wpw_available(unsigned char mempool); diff --git a/apps/codecs/libgme/inflate/mbreader.c b/apps/codecs/libgme/inflate/mbreader.c deleted file mode 100644 index 8257879..0000000 --- a/apps/codecs/libgme/inflate/mbreader.c +++ /dev/null @@ -1,16 +0,0 @@ - -/* Memory buffer reader, simulates file read - @ gama -*/ - -#include "mbreader.h" - -int mbread(struct mbreader_t *md, void *buf, size_t n) -{ - if (!md) return -1; - size_t read_bytes = (md->offset+n) > md->size ? - md->size-md->offset : n; - memcpy(buf,md->ptr + md->offset,read_bytes); - md->offset += read_bytes; - return read_bytes; -} diff --git a/apps/codecs/libgme/inflate/mbreader.h b/apps/codecs/libgme/inflate/mbreader.h deleted file mode 100644 index d345c0c..0000000 --- a/apps/codecs/libgme/inflate/mbreader.h +++ /dev/null @@ -1,15 +0,0 @@ - -#ifndef MBREADER_H -#define MBREADER_H - -#include "codeclib.h" - -struct mbreader_t { - const char *ptr; - size_t size; - size_t offset; -}; - -int mbread(struct mbreader_t *md, void *buf, size_t n); - -#endif |