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path: root/lib/sanitizer_common/sanitizer_flag_parser.cc
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Diffstat (limited to 'lib/sanitizer_common/sanitizer_flag_parser.cc')
-rw-r--r--lib/sanitizer_common/sanitizer_flag_parser.cc18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_flag_parser.cc b/lib/sanitizer_common/sanitizer_flag_parser.cc
index d125002daf4c..67830b2940bb 100644
--- a/lib/sanitizer_common/sanitizer_flag_parser.cc
+++ b/lib/sanitizer_common/sanitizer_flag_parser.cc
@@ -127,6 +127,24 @@ void FlagParser::ParseString(const char *s) {
pos_ = old_pos_;
}
+bool FlagParser::ParseFile(const char *path, bool ignore_missing) {
+ static const uptr kMaxIncludeSize = 1 << 15;
+ char *data;
+ uptr data_mapped_size;
+ error_t err;
+ uptr len;
+ if (!ReadFileToBuffer(path, &data, &data_mapped_size, &len,
+ Max(kMaxIncludeSize, GetPageSizeCached()), &err)) {
+ if (ignore_missing)
+ return true;
+ Printf("Failed to read options from '%s': error %d\n", path, err);
+ return false;
+ }
+ ParseString(data);
+ UnmapOrDie(data, data_mapped_size);
+ return true;
+}
+
bool FlagParser::run_handler(const char *name, const char *value) {
for (int i = 0; i < n_flags_; ++i) {
if (internal_strcmp(name, flags_[i].name) == 0)