[libFuzzer] clean up the docs, add one more link

llvm-svn: 254115

1 files changed, 12 insertions, 3 deletions

diff --git a/llvm/docs/LibFuzzer.rst b/llvm/docs/LibFuzzer.rst
index 74845c54636..eb79b2e490c 100644
--- a/llvm/docs/LibFuzzer.rst
+++ b/llvm/docs/LibFuzzer.rst
@@ -86,7 +86,9 @@ Toy example
 A simple function that does something interesting if it receives the input "HI!"::
 
   cat << EOF >> test_fuzzer.cc
-  extern "C" int LLVMFuzzerTestOneInput(const unsigned char *data, unsigned long size) {
+  #include <stdint.h>
+  #include <stddef.h>
+  extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     if (size > 0 && data[0] == 'H')
       if (size > 1 && data[1] == 'I')
          if (size > 2 && data[2] == '!')
@@ -122,8 +124,9 @@ Here we show how to use lib/Fuzzer on something real, yet simple: pcre2_::
   # Build the actual function that does something interesting with PCRE2.
   cat << EOF > pcre_fuzzer.cc
   #include <string.h>
+  #include <stdint.h>
   #include "pcre2posix.h"
-  extern "C" int LLVMFuzzerTestOneInput(const unsigned char *data, size_t size) {
+  extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     if (size < 1) return 0;
     char *str = new char[size+1];
     memcpy(str, data, size);
@@ -221,6 +224,9 @@ to find Heartbleed with LibFuzzer::
   #include <openssl/ssl.h>
   #include <openssl/err.h>
   #include <assert.h>
+  #include <stdint.h>
+  #include <stddef.h>
+
   SSL_CTX *sctx;
   int Init() {
     SSL_library_init();
@@ -232,7 +238,7 @@ to find Heartbleed with LibFuzzer::
     assert (SSL_CTX_use_PrivateKey_file(sctx, "server.key", SSL_FILETYPE_PEM));
     return 0;
   }
-  extern "C" int LLVMFuzzerTestOneInput(unsigned char *Data, size_t Size) {
+  extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
     static int unused = Init();
     SSL *server = SSL_new(sctx);
     BIO *sinbio = BIO_new(BIO_s_mem());
@@ -261,6 +267,9 @@ Voila::
       #1 0x4db504 in tls1_process_heartbeat openssl-1.0.1f/ssl/t1_lib.c:2586:3
       #2 0x580be3 in ssl3_read_bytes openssl-1.0.1f/ssl/s3_pkt.c:1092:4
 
+Note: a `similar fuzzer <https://boringssl.googlesource.com/boringssl/+/HEAD/FUZZING.md>`_
+is now a part of the boringssl source tree.
+
 Advanced features
 =================