util/fuzz-tests/jpeg-test.c

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include "jpeg.h"
   6
   7 const int depth = 16;
   8
   9 int main(int argc, char **argv)
  10 {
  11         FILE *f = fopen(argv[1], "rb");
  12         unsigned long len;
  13
  14         if (!f)
  15                 return 1;
  16         if (fseek(f, 0, SEEK_END) != 0)
  17                 return 1;
  18         len = ftell(f);
  19         if (fseek(f, 0, SEEK_SET) != 0)
  20                 return 1;
  21
  22         char *buf = malloc(len);
  23         struct jpeg_decdata *decdata = malloc(sizeof(*decdata));
  24         if (fread(buf, len, 1, f) != 1)
  25                 return 1;
  26         fclose(f);
  27
  28         int width;
  29         int height;
  30         jpeg_fetch_size(buf, &width, &height);
  31         //printf("width: %d, height: %d\n", width, height);
  32         char *pic = malloc(depth / 8 * width * height);
  33         int ret = jpeg_decode(buf, pic, width, height, depth, decdata);
  34         //printf("ret: %x\n", ret);
  35         return ret;
  36 }