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author | Will Dietz <wdietz2@illinois.edu> | 2013-10-13 22:09:26 +0000 |
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committer | Will Dietz <wdietz2@illinois.edu> | 2013-10-13 22:09:26 +0000 |
commit | 4df7c5baa1dfe2d9de7eef2600c9ac325e9fdcd6 (patch) | |
tree | fe26a346afd3acc887977295e4ea492b40e8a97d /include | |
parent | cf1f4c7dd19458f47a9ba720d90eec507d66c94a (diff) | |
download | llvm-4df7c5baa1dfe2d9de7eef2600c9ac325e9fdcd6.tar.gz llvm-4df7c5baa1dfe2d9de7eef2600c9ac325e9fdcd6.tar.bz2 llvm-4df7c5baa1dfe2d9de7eef2600c9ac325e9fdcd6.tar.xz |
MC: Don't assume incoming StringRef's are null terminated.
This can happen when processing command line arguments, which
are often stored as std::string's and later turned into
StringRef's via std::string::data(). Unfortunately this
is not guaranteed to return a null-terminated string
until C++11, causing breakage on platforms that don't do this.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192558 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include')
-rw-r--r-- | include/llvm/MC/SubtargetFeature.h | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/include/llvm/MC/SubtargetFeature.h b/include/llvm/MC/SubtargetFeature.h index acebf99edc..d0735ccd9f 100644 --- a/include/llvm/MC/SubtargetFeature.h +++ b/include/llvm/MC/SubtargetFeature.h @@ -37,9 +37,9 @@ struct SubtargetFeatureKV { uint64_t Value; // K-V integer value uint64_t Implies; // K-V bit mask - // Compare routine for std binary search - bool operator<(const SubtargetFeatureKV &S) const { - return strcmp(Key, S.Key) < 0; + // Compare routine for std::lower_bound + bool operator<(StringRef S) const { + return StringRef(Key) < S; } }; @@ -52,9 +52,9 @@ struct SubtargetInfoKV { const char *Key; // K-V key string const void *Value; // K-V pointer value - // Compare routine for std binary search - bool operator<(const SubtargetInfoKV &S) const { - return strcmp(Key, S.Key) < 0; + // Compare routine for std::lower_bound + bool operator<(StringRef S) const { + return StringRef(Key) < S; } }; |