diff options
Diffstat (limited to 'compat/zlib/contrib/puff/puff.c')
| -rw-r--r-- | compat/zlib/contrib/puff/puff.c | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/compat/zlib/contrib/puff/puff.c b/compat/zlib/contrib/puff/puff.c index df5b79f..650694e 100644 --- a/compat/zlib/contrib/puff/puff.c +++ b/compat/zlib/contrib/puff/puff.c @@ -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; |