mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
111 lines
3.0 KiB
111 lines
3.0 KiB
/* zutil.c -- target dependent utility functions for the compression library |
|
* Copyright (C) 1995-2017 Jean-loup Gailly |
|
* For conditions of distribution and use, see copyright notice in zlib.h |
|
*/ |
|
|
|
#include "zbuild.h" |
|
#include "zutil_p.h" |
|
#include "zutil.h" |
|
|
|
z_const char * const PREFIX(z_errmsg)[10] = { |
|
(z_const char *)"need dictionary", /* Z_NEED_DICT 2 */ |
|
(z_const char *)"stream end", /* Z_STREAM_END 1 */ |
|
(z_const char *)"", /* Z_OK 0 */ |
|
(z_const char *)"file error", /* Z_ERRNO (-1) */ |
|
(z_const char *)"stream error", /* Z_STREAM_ERROR (-2) */ |
|
(z_const char *)"data error", /* Z_DATA_ERROR (-3) */ |
|
(z_const char *)"insufficient memory", /* Z_MEM_ERROR (-4) */ |
|
(z_const char *)"buffer error", /* Z_BUF_ERROR (-5) */ |
|
(z_const char *)"incompatible version",/* Z_VERSION_ERROR (-6) */ |
|
(z_const char *)"" |
|
}; |
|
|
|
const char PREFIX3(vstring)[] = |
|
" zlib-ng 2.2.1"; |
|
|
|
#ifdef ZLIB_COMPAT |
|
const char * Z_EXPORT zlibVersion(void) { |
|
return ZLIB_VERSION; |
|
} |
|
#else |
|
const char * Z_EXPORT zlibng_version(void) { |
|
return ZLIBNG_VERSION; |
|
} |
|
#endif |
|
|
|
unsigned long Z_EXPORT PREFIX(zlibCompileFlags)(void) { |
|
unsigned long flags; |
|
|
|
flags = 0; |
|
switch ((int)(sizeof(unsigned int))) { |
|
case 2: break; |
|
case 4: flags += 1; break; |
|
case 8: flags += 2; break; |
|
default: flags += 3; |
|
} |
|
switch ((int)(sizeof(unsigned long))) { |
|
case 2: break; |
|
case 4: flags += 1 << 2; break; |
|
case 8: flags += 2 << 2; break; |
|
default: flags += 3 << 2; |
|
} |
|
switch ((int)(sizeof(void *))) { |
|
case 2: break; |
|
case 4: flags += 1 << 4; break; |
|
case 8: flags += 2 << 4; break; |
|
default: flags += 3 << 4; |
|
} |
|
switch ((int)(sizeof(z_off_t))) { |
|
case 2: break; |
|
case 4: flags += 1 << 6; break; |
|
case 8: flags += 2 << 6; break; |
|
default: flags += 3 << 6; |
|
} |
|
#ifdef ZLIB_DEBUG |
|
flags += 1 << 8; |
|
#endif |
|
#ifdef ZLIB_WINAPI |
|
flags += 1 << 10; |
|
#endif |
|
/* Bit 13 reserved for DYNAMIC_CRC_TABLE */ |
|
#ifdef NO_GZCOMPRESS |
|
flags += 1L << 16; |
|
#endif |
|
#ifdef NO_GZIP |
|
flags += 1L << 17; |
|
#endif |
|
#ifdef PKZIP_BUG_WORKAROUND |
|
flags += 1L << 20; |
|
#endif |
|
return flags; |
|
} |
|
|
|
#ifdef ZLIB_DEBUG |
|
# include <stdlib.h> |
|
# ifndef verbose |
|
# define verbose 0 |
|
# endif |
|
int Z_INTERNAL z_verbose = verbose; |
|
|
|
void Z_INTERNAL z_error(const char *m) { |
|
fprintf(stderr, "%s\n", m); |
|
exit(1); |
|
} |
|
#endif |
|
|
|
/* exported to allow conversion of error code to string for compress() and |
|
* uncompress() |
|
*/ |
|
const char * Z_EXPORT PREFIX(zError)(int err) { |
|
return ERR_MSG(err); |
|
} |
|
|
|
void Z_INTERNAL *PREFIX(zcalloc)(void *opaque, unsigned items, unsigned size) { |
|
Z_UNUSED(opaque); |
|
return zng_alloc((size_t)items * (size_t)size); |
|
} |
|
|
|
void Z_INTERNAL PREFIX(zcfree)(void *opaque, void *ptr) { |
|
Z_UNUSED(opaque); |
|
zng_free(ptr); |
|
}
|
|
|