granicus.if.org Git - onig/blob - contributed/libfuzzer-onig.cpp

   1 /* libfuzzer test code for oniguruma
   2  * author: Hanno Böck, license: CC0/public domain
   3
   4 Usage:
   5 * compile oniguruma with something like
   6         ./configure CC=clang LD=clang CFLAGS="-fsanitize-coverage=edge -fsanitize=address" \
   7                 LDFLAGS="-fsanitize-coverage=edge -fsanitize=address"
   8 * Compile libfuzzer stub and link against static libonig.a and libFuzzer.a:
   9         clang++ libfuzzer-onig.cpp src/.libs/libonig.a libFuzzer.a -o libfuzzer-onig \
  10                 -fsanitize-coverage=edge -fsanitize=address
  11 * Put sample patterns in directory "in/"
  12 * Run
  13         ./libfuzzer-onig in
  14
  15 Consult libfuzzer docs for further details and how to create libFuzzer.a:
  16 http://llvm.org/docs/LibFuzzer.html
  17
  18  */
  19 #include <stdint.h>
  20 #include <string.h>
  21 #include <oniguruma.h>
  22
  23 extern "C" int LLVMFuzzerTestOneInput(const uint8_t * Data, size_t Size)
  24 {
  25         regex_t *reg;
  26         if (onig_new
  27             (&reg, Data, Data + Size, ONIG_OPTION_DEFAULT, ONIG_ENCODING_UTF8,
  28              ONIG_SYNTAX_DEFAULT, 0) == 0)
  29                 onig_free(reg);
  30         return 0;
  31 }