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/* 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 2.2.4";
#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);
}
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