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#include <zlib.h>
#include <stdlib.h>
z_stream * create_z_stream(void)
{
z_stream *ret = malloc(sizeof(z_stream));
if (ret) {
ret->zalloc = Z_NULL;
ret->zfree = Z_NULL;
ret->opaque = Z_NULL;
ret->next_in = NULL;
ret->avail_in = 0;
ret->next_out = NULL;
ret->avail_out = 0;
}
return ret;
}
int inflate_init2(z_stream *stream, int window_bits)
{
return inflateInit2(stream, window_bits);
}
int deflate_init2(z_stream *stream, int level, int methodBits,
int memlevel, int strategy)
{
return deflateInit2(stream, level, Z_DEFLATED, methodBits, memlevel, strategy);
}
int inflate_set_dictionary(z_stream *stream, const char* dictionary,
unsigned int dictLength) {
return inflateSetDictionary(stream, dictionary, dictLength);
}
int deflate_set_dictionary(z_stream *stream, const char* dictionary,
unsigned int dictLength) {
return deflateSetDictionary(stream, dictionary, dictLength);
}
void free_z_stream_inflate (z_stream *stream)
{
inflateEnd(stream);
free(stream);
}
void set_avail_in (z_stream *stream, char *buff, unsigned int avail)
{
stream->next_in = buff;
stream->avail_in = avail;
}
void set_avail_out (z_stream *stream, char *buff, unsigned int avail)
{
stream->next_out = buff;
stream->avail_out = avail;
}
int call_inflate_noflush (z_stream *stream)
{
return inflate(stream, Z_NO_FLUSH);
}
unsigned int get_avail_in (z_stream *stream)
{
return stream->avail_in;
}
unsigned int get_avail_out (z_stream *stream)
{
return stream->avail_out;
}
void free_z_stream_deflate (z_stream *stream)
{
deflateEnd(stream);
free(stream);
}
int call_deflate_noflush (z_stream *stream)
{
return deflate(stream, Z_NO_FLUSH);
}
int call_deflate_flush (z_stream *stream)
{
return deflate(stream, Z_SYNC_FLUSH);
}
int call_deflate_finish (z_stream *stream)
{
return deflate(stream, Z_FINISH);
}
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