/* return decompressed size, otherwise < 0 for error */
int CRYPT_HUFFMAN_DeCompress(unsigned char* out, unsigned int outSz,
const unsigned char* in, unsigned int inSz)
{
if (out == NULL || in == NULL)
return BAD_FUNC_ARG;
return DeCompress(out, outSz, in, inSz);
}
/* check mcapi compress against internal */
static int check_compress(void)
{
const unsigned char text[] =
"Biodiesel cupidatat marfa, cliche aute put a bird on it incididunt elit\n"
"polaroid. Sunt tattooed bespoke reprehenderit. Sint twee organic id\n"
"marfa. Commodo veniam ad esse gastropub. 3 wolf moon sartorial vero,\n"
"plaid delectus biodiesel squid +1 vice. Post-ironic keffiyeh leggings\n"
"selfies cray fap hoodie, forage anim. Carles cupidatat shoreditch, VHS\n"
"small batch meggings kogi dolore food truck bespoke gastropub.\n"
"\n"
"Terry richardson adipisicing actually typewriter tumblr, twee whatever\n"
"four loko you probably haven't heard of them high life. Messenger bag\n"
"whatever tattooed deep v mlkshk. Brooklyn pinterest assumenda chillwave\n"
"et, banksy ullamco messenger bag umami pariatur direct trade forage.\n"
"Typewriter culpa try-hard, pariatur sint brooklyn meggings. Gentrify\n"
"food truck next level, tousled irony non semiotics PBR ethical anim cred\n"
"readymade. Mumblecore brunch lomo odd future, portland organic terry\n"
"four loko whatever street art yr farm-to-table.\n";
unsigned int inSz = sizeof(text);
unsigned int outSz;
unsigned char cBuffer[1024];
unsigned char dBuffer[1024];
int ret1, ret2;
/* dynamic */
ret1 = CRYPT_HUFFMAN_Compress(cBuffer, sizeof(cBuffer), text, inSz, 0);
ret2 = Compress(dBuffer, sizeof(dBuffer), text, inSz, 0);
if (ret1 != ret2 || ret1 < 0) {
printf("compress dynamic ret failed\n");
return -1;
}
if (memcmp(cBuffer, dBuffer, ret1) != 0) {
printf("compress dynamic cmp failed\n");
return -1;
}
outSz = ret1;
ret1 = CRYPT_HUFFMAN_DeCompress(dBuffer, sizeof(dBuffer), cBuffer, outSz);
if (memcmp(dBuffer, text, inSz) != 0) {
printf("mcapi decompress dynamic cmp failed\n");
return -1;
}
memset(dBuffer, 0, sizeof(dBuffer));
ret1 = DeCompress(dBuffer, sizeof(dBuffer), cBuffer, outSz);
if (memcmp(dBuffer, text, inSz) != 0) {
printf("decompress dynamic cmp failed\n");
return -1;
}
memset(cBuffer, 0, sizeof(cBuffer));
memset(dBuffer, 0, sizeof(dBuffer));
/* static */
ret1 = CRYPT_HUFFMAN_Compress(cBuffer, sizeof(cBuffer), text, inSz, 1);
ret2 = Compress(dBuffer, sizeof(dBuffer), text, inSz, 1);
if (ret1 != ret2 || ret1 < 0) {
printf("compress static ret failed\n");
return -1;
}
if (memcmp(cBuffer, dBuffer, ret1) != 0) {
printf("compress static cmp failed\n");
return -1;
}
outSz = ret1;
ret1 = CRYPT_HUFFMAN_DeCompress(dBuffer, sizeof(dBuffer), cBuffer, outSz);
if (memcmp(dBuffer, text, inSz) != 0) {
printf("mcapi decompress static cmp failed\n");
return -1;
}
memset(dBuffer, 0, sizeof(dBuffer));
ret1 = DeCompress(dBuffer, sizeof(dBuffer), cBuffer, outSz);
if (memcmp(dBuffer, text, inSz) != 0) {
printf("decompress static cmp failed\n");
return -1;
}
printf("huffman mcapi test passed\n");
return 0;
}
