diff options
Diffstat (limited to 'snappy_unittest.cc')
| -rw-r--r-- | snappy_unittest.cc | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/snappy_unittest.cc b/snappy_unittest.cc index f278633..23c6eec 100644 --- a/snappy_unittest.cc +++ b/snappy_unittest.cc @@ -14,7 +14,6 @@ #include <math.h> #include <stdlib.h> -#include <sys/mman.h> #include <algorithm> #include <string> @@ -54,15 +53,14 @@ DEFINE_bool(write_uncompressed, false, namespace snappy { +#ifdef HAVE_FUNC_MMAP + // To test against code that reads beyond its input, this class copies a // string to a newly allocated group of pages, the last of which // is made unreadable via mprotect. Note that we need to allocate the // memory with mmap(), as POSIX allows mprotect() only on memory allocated // with mmap(), and some malloc/posix_memalign implementations expect to // be able to read previously allocated memory while doing heap allocations. -// -// TODO(user): Add support for running the unittest without the protection -// checks if the target system doesn't have mmap. class DataEndingAtUnreadablePage { public: explicit DataEndingAtUnreadablePage(const string& s) { @@ -100,6 +98,13 @@ class DataEndingAtUnreadablePage { size_t size_; }; +#else // HAVE_FUNC_MMAP + +// Fallback for systems without mmap. +typedef string DataEndingAtUnreadablePage; + +#endif + enum CompressorType { ZLIB, LZO, LIBLZF, QUICKLZ, FASTLZ, SNAPPY, }; |