zlib 1.2.3.1

This commit is contained in:
Mark Adler
2011-09-09 23:25:27 -07:00
parent abf180a067
commit b1c19ca6d8
50 changed files with 3729 additions and 583 deletions

View File

@@ -1,6 +1,6 @@
/* zpipe.c: example of proper use of zlib's inflate() and deflate()
Not copyrighted -- provided to the public domain
Version 1.2 9 November 2004 Mark Adler */
Version 1.4 11 December 2005 Mark Adler */
/* Version history:
1.0 30 Oct 2004 First version
@@ -8,6 +8,8 @@
Use switch statement for inflate() return values
1.2 9 Nov 2004 Add assertions to document zlib guarantees
1.3 6 Apr 2005 Remove incorrect assertion in inf()
1.4 11 Dec 2005 Add hack to avoid MSDOS end-of-line conversions
Avoid some compiler warnings for input and output buffers
*/
#include <stdio.h>
@@ -15,6 +17,14 @@
#include <assert.h>
#include "zlib.h"
#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__)
# include <fcntl.h>
# include <io.h>
# define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
#else
# define SET_BINARY_MODE(file)
#endif
#define CHUNK 16384
/* Compress from file source to file dest until EOF on source.
@@ -28,8 +38,8 @@ int def(FILE *source, FILE *dest, int level)
int ret, flush;
unsigned have;
z_stream strm;
char in[CHUNK];
char out[CHUNK];
unsigned char in[CHUNK];
unsigned char out[CHUNK];
/* allocate deflate state */
strm.zalloc = Z_NULL;
@@ -84,8 +94,8 @@ int inf(FILE *source, FILE *dest)
int ret;
unsigned have;
z_stream strm;
char in[CHUNK];
char out[CHUNK];
unsigned char in[CHUNK];
unsigned char out[CHUNK];
/* allocate inflate state */
strm.zalloc = Z_NULL;
@@ -167,6 +177,10 @@ int main(int argc, char **argv)
{
int ret;
/* avoid end-of-line conversions */
SET_BINARY_MODE(stdin);
SET_BINARY_MODE(stdout);
/* do compression if no arguments */
if (argc == 1) {
ret = def(stdin, stdout, Z_DEFAULT_COMPRESSION);