fuzz_main.c

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#include "zip_read_fuzzer.cc"
#include <stdio.h>
#include <stdlib.h>
 
/* fuzz target entry point, works without libFuzzer */
 
int
main(int argc, char **argv) {
    FILE *f;
    char *buf = NULL;
    long siz_buf;
 
    if (argc < 2) {
        fprintf(stderr, "no input file\n");
        goto err;
    }
 
    f = fopen(argv[1], "rb");
    if (f == NULL) {
        fprintf(stderr, "error opening input file %s\n", argv[1]);
        goto err;
    }
 
    fseek(f, 0, SEEK_END);
 
    siz_buf = ftell(f);
    rewind(f);
 
    if (siz_buf < 1) {
        goto err;
    }
 
    buf = (char *)malloc(siz_buf);
    if (buf == NULL) {
        fprintf(stderr, "malloc() failed\n");
        goto err;
    }
 
    if (fread(buf, siz_buf, 1, f) != 1) {
        fprintf(stderr, "fread() failed\n");
        goto err;
    }
 
    (void)LLVMFuzzerTestOneInput((uint8_t *)buf, siz_buf);
 
err:
    free(buf);
 
    return 0;
}