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zlib 1.2.4.2

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This commit is contained in:
Mark Adler
2011-09-09 23:34:30 -07:00
parent 05d47d2627
commit 7147f24cd7
37 changed files with 176 additions and 148 deletions
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29
contrib/puff/puff.c
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@@ -1,8 +1,8 @@
/*
* puff.c
* Copyright (C) 2002-2008 Mark Adler
* Copyright (C) 2002-2010 Mark Adler
* For conditions of distribution and use, see copyright notice in puff.h
* version 2.0, 25 Jul 2008
* version 2.1, 4 Apr 2010
*
* puff.c is a simple inflate written to be an unambiguous way to specify the
* deflate format. It is not written for speed but rather simplicity. As a
@@ -67,6 +67,8 @@
* - Add option in TEST code for puff to write the data
* - Add option in TEST code to skip input bytes
* - Allow TEST code to read from piped stdin
* 2.1 4 Apr 2010 - Avoid variable initialization for happier compilers
* - Avoid unsigned comparisons for even happier compilers
*/
#include <setjmp.h> /* for setjmp(), longjmp(), and jmp_buf */
@@ -516,8 +518,7 @@ local int fixed(struct state *s)
static int virgin = 1;
static short lencnt[MAXBITS+1], lensym[FIXLCODES];
static short distcnt[MAXBITS+1], distsym[MAXDCODES];
static struct huffman lencode = {lencnt, lensym};
static struct huffman distcode = {distcnt, distsym};
static struct huffman lencode, distcode;
/* build fixed huffman tables if first call (may not be thread safe) */
if (virgin) {
@@ -540,6 +541,12 @@ local int fixed(struct state *s)
lengths[symbol] = 5;
construct(&distcode, lengths, MAXDCODES);
/* construct lencode and distcode */
lencode.count = lencnt;
lencode.symbol = lensym;
distcode.count = distcnt;
distcode.symbol = distsym;
/* do this just once */
virgin = 0;
}
@@ -643,11 +650,16 @@ local int dynamic(struct state *s)
short lengths[MAXCODES]; /* descriptor code lengths */
short lencnt[MAXBITS+1], lensym[MAXLCODES]; /* lencode memory */
short distcnt[MAXBITS+1], distsym[MAXDCODES]; /* distcode memory */
struct huffman lencode = {lencnt, lensym}; /* length code */
struct huffman distcode = {distcnt, distsym}; /* distance code */
struct huffman lencode, distcode; /* length and distance codes */
static const short order[19] = /* permutation of code length codes */
{16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
/* construct lencode and distcode */
lencode.count = lencnt;
lencode.symbol = lensym;
distcode.count = distcnt;
distcode.symbol = distsym;
/* get number of lengths in each table, check lengths */
nlen = bits(s, 5) + 257;
ndist = bits(s, 5) + 1;
@@ -869,7 +881,8 @@ local void *load(char *name, size_t *len)
int main(int argc, char **argv)
{
int ret, skip = 0, put = 0;
int ret, put = 0;
unsigned skip = 0;
char *arg, *name = NULL;
unsigned char *source = NULL, *dest;
size_t len = 0;
@@ -881,7 +894,7 @@ int main(int argc, char **argv)
if (arg[1] == 'w' && arg[2] == 0)
put = 1;
else if (arg[1] >= '0' && arg[1] <= '9')
skip = atoi(arg + 1);
skip = (unsigned)atoi(arg + 1);
else {
fprintf(stderr, "invalid option %s\n", arg);
return 3;