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| author | Matt Morehouse <mascasa@google.com> | 2018-04-06 18:15:24 +0000 |
|---|---|---|
| committer | Matt Morehouse <mascasa@google.com> | 2018-04-06 18:15:24 +0000 |
| commit | fcc97b29c1e4c5f3a049f577661cc73dbfaa3d25 (patch) | |
| tree | ac56ca306bc309296fd0c38925d293fa1c27d192 | |
| parent | aca8f327137ab6fdec17310ca201860151d4f808 (diff) | |
| download | bcm5719-llvm-fcc97b29c1e4c5f3a049f577661cc73dbfaa3d25.tar.gz bcm5719-llvm-fcc97b29c1e4c5f3a049f577661cc73dbfaa3d25.zip | |
[libFuzzer] Print a correct error message when a directory can't be
opened.
Summary:
Currently if the directory cannot be opened for a reason other than
non-existence (e.g. too many open file descriptors) the error message
printed is incredibly confusing.
Patch By: Alex Gaynor
Reviewers: kcc, morehouse
Reviewed By: morehouse
Subscribers: delcypher, llvm-commits, Sanitizers
Differential Revision: https://reviews.llvm.org/D45322
llvm-svn: 329438
| -rw-r--r-- | compiler-rt/lib/fuzzer/FuzzerIOPosix.cpp | 2 | ||||
| -rw-r--r-- | compiler-rt/test/fuzzer/fuzzer-dirs.test | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/compiler-rt/lib/fuzzer/FuzzerIOPosix.cpp b/compiler-rt/lib/fuzzer/FuzzerIOPosix.cpp index 2257751c662..17e884d3c4c 100644 --- a/compiler-rt/lib/fuzzer/FuzzerIOPosix.cpp +++ b/compiler-rt/lib/fuzzer/FuzzerIOPosix.cpp @@ -54,7 +54,7 @@ void ListFilesInDirRecursive(const std::string &Dir, long *Epoch, DIR *D = opendir(Dir.c_str()); if (!D) { - Printf("No such directory: %s; exiting\n", Dir.c_str()); + Printf("%s: %s; exiting\n", strerror(errno), Dir.c_str()); exit(1); } while (auto E = readdir(D)) { diff --git a/compiler-rt/test/fuzzer/fuzzer-dirs.test b/compiler-rt/test/fuzzer/fuzzer-dirs.test index 9b6e4d1eedd..3fcba4bb706 100644 --- a/compiler-rt/test/fuzzer/fuzzer-dirs.test +++ b/compiler-rt/test/fuzzer/fuzzer-dirs.test @@ -17,5 +17,5 @@ LONG: INFO: -max_len is not provided; libFuzzer will not generate inputs larger RUN: rm -rf %t/SUB1 RUN: not %t-SimpleTest NONEXISTENT_DIR 2>&1 | FileCheck %s --check-prefix=NONEXISTENT_DIR -NONEXISTENT_DIR: No such directory: NONEXISTENT_DIR; exiting +NONEXISTENT_DIR: No such file or directory: NONEXISTENT_DIR; exiting |
