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authorDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 13:47:52 +0000
committerDaniel Baumann <mail@daniel-baumann.ch>2015-11-07 13:47:52 +0000
commit63df7a48df604cb3c9fd274713f6d65824ecaacd (patch)
treeef1140ed66892ae6e65ce9402e39727a74ebf4fd /lzcheck.c
parentAdding upstream version 1.3. (diff)
downloadlzlib-63df7a48df604cb3c9fd274713f6d65824ecaacd.tar.xz
lzlib-63df7a48df604cb3c9fd274713f6d65824ecaacd.zip
Adding upstream version 1.4~rc2.upstream/1.4_rc2
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'lzcheck.c')
-rw-r--r--lzcheck.c55
1 files changed, 25 insertions, 30 deletions
diff --git a/lzcheck.c b/lzcheck.c
index 19a1887..6a1eed9 100644
--- a/lzcheck.c
+++ b/lzcheck.c
@@ -1,5 +1,5 @@
/* Lzcheck - A test program for the lzlib library
- Copyright (C) 2009, 2010, 2011, 2012 Antonio Diaz Diaz.
+ Copyright (C) 2009, 2010, 2011, 2012, 2013 Antonio Diaz Diaz.
This program is free software: you have unlimited permission
to copy, distribute and modify it.
@@ -23,20 +23,11 @@
#include "lzlib.h"
-#ifndef LLONG_MAX
-#define LLONG_MAX 0x7FFFFFFFFFFFFFFFLL
-#endif
-#ifndef LLONG_MIN
-#define LLONG_MIN (-LLONG_MAX - 1LL)
-#endif
-#ifndef ULLONG_MAX
-#define ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL
-#endif
-
#ifndef min
#define min(x,y) ((x) <= (y) ? (x) : (y))
#endif
+
enum { buffer_size = 32768 };
uint8_t in_buffer[buffer_size];
uint8_t mid_buffer[buffer_size];
@@ -45,13 +36,21 @@ uint8_t out_buffer[buffer_size];
int main( const int argc, const char * const argv[] )
{
+ const int dictionary_size = 1 << 20;
+ const int match_len_limit = 36;
+ const unsigned long long member_size = INT64_MAX;
+ struct LZ_Encoder * encoder;
+ struct LZ_Decoder * decoder;
+ FILE * file;
+ int retval = 0;
+
if( argc < 2 )
{
fprintf( stderr, "Usage: lzcheck filename.txt\n" );
return 1;
}
- FILE *file = fopen( argv[1], "rb" );
+ file = fopen( argv[1], "rb" );
if( !file )
{
fprintf( stderr, "lzcheck: Can't open file '%s' for reading\n", argv[1] );
@@ -59,11 +58,7 @@ int main( const int argc, const char * const argv[] )
}
/* fprintf( stderr, "lzcheck: Testing file '%s'\n", argv[1] ); */
- const int dictionary_size = 1 << 20;
- const int match_len_limit = 36;
- const long long member_size = LLONG_MAX;
- struct LZ_Encoder * const encoder =
- LZ_compress_open( dictionary_size, match_len_limit, member_size );
+ encoder = LZ_compress_open( dictionary_size, match_len_limit, member_size );
if( !encoder || LZ_compress_errno( encoder ) != LZ_ok )
{
const bool mem_error = ( LZ_compress_errno( encoder ) == LZ_mem_error );
@@ -77,7 +72,7 @@ int main( const int argc, const char * const argv[] )
return 3;
}
- struct LZ_Decoder * const decoder = LZ_decompress_open();
+ decoder = LZ_decompress_open();
if( !decoder || LZ_decompress_errno( decoder ) != LZ_ok )
{
LZ_decompress_close( decoder );
@@ -85,7 +80,6 @@ int main( const int argc, const char * const argv[] )
return 1;
}
- int retval = 0;
while( retval <= 1 )
{
int i, l, r;
@@ -94,11 +88,12 @@ int main( const int argc, const char * const argv[] )
for( l = 0, r = 1; r <= read_size; l = r, ++r )
{
+ int in_size, mid_size, out_size;
while( r < read_size && in_buffer[r-1] != '\n' ) ++r;
- const int in_size = LZ_compress_write( encoder, in_buffer + l, r - l );
+ in_size = LZ_compress_write( encoder, in_buffer + l, r - l );
if( in_size < r - l ) r = l + in_size;
LZ_compress_sync_flush( encoder );
- const int mid_size = LZ_compress_read( encoder, mid_buffer, buffer_size );
+ mid_size = LZ_compress_read( encoder, mid_buffer, buffer_size );
if( mid_size < 0 )
{
fprintf( stderr, "lzcheck: LZ_compress_read error: %s.\n",
@@ -106,7 +101,7 @@ int main( const int argc, const char * const argv[] )
retval = 3; break;
}
LZ_decompress_write( decoder, mid_buffer, mid_size );
- const int out_size = LZ_decompress_read( decoder, out_buffer, buffer_size );
+ out_size = LZ_decompress_read( decoder, out_buffer, buffer_size );
if( out_size < 0 )
{
fprintf( stderr, "lzcheck: LZ_decompress_read error: %s.\n",
@@ -146,22 +141,22 @@ int main( const int argc, const char * const argv[] )
while( retval <= 1 )
{
- int i, l, r;
+ int i, l, r, size;
const int read_size = fread( in_buffer, 1, buffer_size / 2, file );
if( read_size <= 0 ) break; /* end of file */
for( l = 0, r = 1; r <= read_size; l = r, ++r )
{
+ int leading_garbage, in_size, mid_size, out_size;
while( r < read_size && in_buffer[r-1] != '\n' ) ++r;
- const int leading_garbage = (l == 0) ? min( r, read_size / 2 ) : 0;
- const int in_size = LZ_compress_write( encoder, in_buffer + l, r - l );
+ leading_garbage = (l == 0) ? min( r, read_size / 2 ) : 0;
+ in_size = LZ_compress_write( encoder, in_buffer + l, r - l );
if( in_size < r - l ) r = l + in_size;
LZ_compress_sync_flush( encoder );
if( leading_garbage )
memset( mid_buffer, in_buffer[0], leading_garbage );
- const int mid_size = LZ_compress_read( encoder,
- mid_buffer + leading_garbage,
- buffer_size - leading_garbage );
+ mid_size = LZ_compress_read( encoder, mid_buffer + leading_garbage,
+ buffer_size - leading_garbage );
if( mid_size < 0 )
{
fprintf( stderr, "lzcheck: LZ_compress_read error: %s.\n",
@@ -169,7 +164,7 @@ int main( const int argc, const char * const argv[] )
retval = 3; break;
}
LZ_decompress_write( decoder, mid_buffer, mid_size + leading_garbage );
- int out_size = LZ_decompress_read( decoder, out_buffer, buffer_size );
+ out_size = LZ_decompress_read( decoder, out_buffer, buffer_size );
if( out_size < 0 )
{
if( LZ_decompress_errno( decoder ) == LZ_header_error ||
@@ -213,7 +208,7 @@ int main( const int argc, const char * const argv[] )
retval = 3; break;
}
- const int size = min( 100, read_size );
+ size = min( 100, read_size );
if( LZ_compress_write( encoder, in_buffer, size ) != size ||
LZ_compress_finish( encoder ) < 0 ||
LZ_decompress_write( decoder, mid_buffer, LZ_compress_read( encoder, mid_buffer, buffer_size ) ) < 0 ||