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#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "zutil.h"
int main(void) {
unsigned char plain[32];
unsigned char compressed[130];
PREFIX3(stream) strm;
int bound;
z_size_t bytes;
for (int i = 0; i <= 32; i++) {
memset(plain, 6, i);
memset(&strm, 0, sizeof(strm));
PREFIX(deflateInit2)(&strm, 0, 8, 31, 1, Z_DEFAULT_STRATEGY);
bound = PREFIX(deflateBound)(&strm, i);
strm.next_in = plain;
strm.next_out = compressed;
strm.avail_in = i;
strm.avail_out = sizeof(compressed);
if (PREFIX(deflate)(&strm, Z_FINISH) != Z_STREAM_END) return -1;
if (strm.avail_in != 0) return -1;
printf("bytes = %2i, deflateBound = %2i, total_out = %2zi\n", i, bound, strm.total_out);
if (bound < strm.total_out) return -1;
if (PREFIX(deflateEnd)(&strm) != Z_OK) return -1;
}
for (int i = 0; i <= 32; i++) {
bytes = sizeof(compressed);
for (int j = 0; j < i; j++) {
plain[j] = j;
}
bound = PREFIX(compressBound)(i);
if (PREFIX(compress2)(compressed, &bytes, plain, i, 1) != Z_OK) return -1;
printf("bytes = %2i, compressBound = %2i, total_out = %2zi\n", i, bound, (size_t)bytes);
if (bytes > bound) return -1;
}
return 0;
}
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