[libFuzzer] better documentatio for -save_minimized_corpus=1

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@247033 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/LibFuzzer.rst b/docs/LibFuzzer.rst
index 519c651..d3e0cb1 100644 (file)
--- a/docs/LibFuzzer.rst
+++ b/docs/LibFuzzer.rst
@@ -61,7 +61,7 @@ The most important flags are::
   mutate_depth                         5       Apply this number of consecutive mutations to each input.
   timeout                              1200    Timeout in seconds (if positive). If one unit runs more than this number of seconds the process will abort.
   help                                 0       Print help.
-  save_minimized_corpus                0       If 1, the minimized corpus is saved into the first input directory
+  save_minimized_corpus                0       If 1, the minimized corpus is saved into the first input directory. Example: ./fuzzer -save_minimized_corpus=1 NEW_EMPTY_DIR OLD_CORPUS
   jobs                                 0       Number of jobs to run. If jobs >= 1 we spawn this number of jobs in separate worker processes with stdout/stderr redirected to fuzz-JOB.log.
   workers                              0       Number of simultaneous worker processes to run the jobs. If zero, "min(jobs,NumberOfCpuCores()/2)" is used.
   sync_command                         0       Execute an external command "<sync_command> <test_corpus>" to synchronize the test corpus.

diff --git a/lib/Fuzzer/FuzzerFlags.def b/lib/Fuzzer/FuzzerFlags.def
index 1a6cb63..824c9f1 100644 (file)
--- a/lib/Fuzzer/FuzzerFlags.def
+++ b/lib/Fuzzer/FuzzerFlags.def
@@ -31,7 +31,8 @@ FUZZER_FLAG_INT(
 FUZZER_FLAG_INT(help, 0, "Print help.")
 FUZZER_FLAG_INT(
     save_minimized_corpus, 0,
-    "If 1, the minimized corpus is saved into the first input directory")
+    "If 1, the minimized corpus is saved into the first input directory. "
+    "Example: ./fuzzer -save_minimized_corpus=1 NEW_EMPTY_DIR OLD_CORPUS")
 FUZZER_FLAG_INT(use_counters, 1, "Use coverage counters")
 FUZZER_FLAG_INT(use_traces, 0, "Experimental: use instruction traces")
 FUZZER_FLAG_INT(use_full_coverage_set, 0,