test.c

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <raylib.h>


int main(){
	FILE * pFile;
	long lSize;
	unsigned char * buffer;
	size_t result;

	pFile = fopen("hi.z", "rb");
	if (pFile == NULL) {
		fputs("File error",stderr);
		exit(1);
	} else {
		puts("File 'hi.z' open");
	}

	fseek(pFile, 0, SEEK_END);
	lSize = ftell(pFile);
	printf("Content size is %ld\n", lSize);

	rewind(pFile);
	int buff_siz = lSize + 1;
	buffer = malloc(sizeof(char) * buff_siz);

	if (buffer == NULL) {
		fputs("Memory error", stderr);
		exit(2);
	}

	memset(buffer, 0, sizeof(char) * buff_siz);

	result = fread(buffer, 1, lSize, pFile);
	if (result != lSize) {
		fputs("Reading error", stderr);
		exit(3);
	} else {
		puts("Reading file ok");
	};

	int len;
	unsigned char* decomp;
	
	decomp = DecompressData(buffer, lSize, &len);
	
	// useless, decomp is never null even on fails
	if (decomp != NULL) {
		printf("Decomp size: %d\n", len);
		printf("%s\n", dec); // segfaults
	} else {
		puts("Fail\n");
	}

	fclose(pFile);
	free(buffer);
	free(dec);

	return 0;
}