kc3-lang/md4c/test/fuzzers

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• Author : DavidKorczynski
  Date : 2021-02-23 14:01:31
  Hash : 3478ec69
  Message : Added fuzzer for oss-fuzz integration. (#151)

• fuzz-mdhtml.c

• #include <stdint.h>
  #include <stdlib.h>
  #include "md4c-html.h"
  
  static void
  process_output(const MD_CHAR* text, MD_SIZE size, void* userdata)
  {
     /* This is  dummy function because we dont need any processing on the data */
     return;
  }
  
  int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size){
      if (size < 8) {
          return 0;
      }
  
      unsigned int parser_flags = *(unsigned int*)data;
      data += 4; size -= 4;
      unsigned int renderer_flags = *(unsigned int*)data;
      data += 4; size -= 4;
  
      /* Allocate enough space */
      char *out = malloc(size*3);
      md_html(data, size, process_output, out, parser_flags, renderer_flags);
      free(out);
  
      return 0;
  }