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zlib 1.0.7

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This commit is contained in:
Mark Adler
2011-09-09 23:17:33 -07:00
parent ebd3c2c0e7
commit 7850e4e406
58 changed files with 4608 additions and 519 deletions
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46
minigzip.c
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@@ -1,5 +1,5 @@
/* minigzip.c -- simulate gzip using the zlib compression library
* Copyright (C) 1995-1996 Jean-loup Gailly.
* Copyright (C) 1995-1998 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
@@ -13,7 +13,7 @@
* or in pipe mode.
*/
/* $Id: minigzip.c,v 1.10 1996/07/24 13:41:04 me Exp $ */
/* @(#) $Id$ */
#include <stdio.h>
#include "zlib.h"
@@ -47,18 +47,19 @@
#ifndef GZ_SUFFIX
# define GZ_SUFFIX ".gz"
#endif
#define SUFFIX_LEN sizeof(GZ_SUFFIX)
#define SUFFIX_LEN (sizeof(GZ_SUFFIX)-1)
extern int unlink OF((const char *));
#define BUFLEN 4096
#define MAX_NAME_LEN 1024
#define local static
/* For MSDOS and other systems with limitation on stack size. For Unix,
#define local
works also.
*/
#ifdef MAXSEG_64K
# define local static
/* Needed for systems with limitation on stack size. */
#else
# define local
#endif
char *prog;
@@ -201,7 +202,11 @@ void file_uncompress(file)
/* ===========================================================================
* Usage: minigzip [-d] [files...]
* Usage: minigzip [-d] [-f] [-h] [-1 to -9] [files...]
* -d : decompress
* -f : compress with Z_FILTERED
* -h : compress with Z_HUFFMAN_ONLY
* -1 to -9 : compression level
*/
int main(argc, argv)
@@ -210,15 +215,26 @@ int main(argc, argv)
{
int uncompr = 0;
gzFile file;
char outmode[20];
strcpy(outmode, "wb6 ");
prog = argv[0];
argc--, argv++;
if (argc > 0) {
uncompr = (strcmp(*argv, "-d") == 0);
if (uncompr) {
argc--, argv++;
}
while (argc > 0) {
if (strcmp(*argv, "-d") == 0)
uncompr = 1;
else if (strcmp(*argv, "-f") == 0)
outmode[3] = 'f';
else if (strcmp(*argv, "-h") == 0)
outmode[3] = 'h';
else if ((*argv)[0] == '-' && (*argv)[1] >= '1' && (*argv)[1] <= '9' &&
(*argv)[2] == 0)
outmode[2] = (*argv)[1];
else
break;
argc--, argv++;
}
if (argc == 0) {
SET_BINARY_MODE(stdin);
@@ -228,7 +244,7 @@ int main(argc, argv)
if (file == NULL) error("can't gzdopen stdin");
gz_uncompress(file, stdout);
} else {
file = gzdopen(fileno(stdout), "wb"); /* "wb9" for max compr. */
file = gzdopen(fileno(stdout), outmode);
if (file == NULL) error("can't gzdopen stdout");
gz_compress(stdin, file);
}