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| author | Kostya Serebryany <kcc@google.com> | 2016-04-15 21:56:29 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2016-04-15 21:56:29 +0000 |
| commit | b60397f54c6ac8e0f0dc54c8a4c25b9e9863d828 (patch) | |
| tree | 2c6d16aec881564cd21680442b1ce7981e0b664e /llvm/lib | |
| parent | 07f6d3a89379d615f266df16d0b076e457fa05ae (diff) | |
| download | bcm5719-llvm-b60397f54c6ac8e0f0dc54c8a4c25b9e9863d828.tar.gz bcm5719-llvm-b60397f54c6ac8e0f0dc54c8a4c25b9e9863d828.zip | |
[libFuzzer] add a better warning for command line flags with -- (two dashes)
llvm-svn: 266480
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Fuzzer/FuzzerDriver.cpp | 3 | ||||
| -rw-r--r-- | llvm/lib/Fuzzer/test/fuzzer.test | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerDriver.cpp b/llvm/lib/Fuzzer/FuzzerDriver.cpp index f47b337b29c..256a0a773a1 100644 --- a/llvm/lib/Fuzzer/FuzzerDriver.cpp +++ b/llvm/lib/Fuzzer/FuzzerDriver.cpp @@ -133,6 +133,9 @@ static bool ParseOneFlag(const char *Param) { PrintedWarning = true; Printf("INFO: libFuzzer ignores flags that start with '--'\n"); } + for (size_t F = 0; F < kNumFlags; F++) + if (FlagValue(Param + 1, FlagDescriptions[F].Name)) + Printf("WARNING: did you mean '%s' (single dash)?\n", Param + 1); return true; } for (size_t F = 0; F < kNumFlags; F++) { diff --git a/llvm/lib/Fuzzer/test/fuzzer.test b/llvm/lib/Fuzzer/test/fuzzer.test index 9aca950ec45..b42a49b8d7f 100644 --- a/llvm/lib/Fuzzer/test/fuzzer.test +++ b/llvm/lib/Fuzzer/test/fuzzer.test @@ -116,3 +116,5 @@ FD_MASK_3-NOT: STREAM_COUT FD_MASK_3-NOT: STREAM_CERR FD_MASK_3: INITED +RUN: LLVMFuzzer-SimpleTest -runs=10 --max_len=100 2>&1 | FileCheck %s --check-prefix=DASH_DASH +DASH_DASH: WARNING: did you mean '-max_len=100' (single dash)? |
