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Silence warning: variable 'buffer' set but not used.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223389 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Yaron Keren 2014-12-04 21:36:38 +00:00
parent 9eb2a386c7
commit 499e74c3cd
1 changed files with 5 additions and 3 deletions
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8
lib/Support/Errno.cpp
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@ -35,12 +35,14 @@ std::string StrError() {
#endif // HAVE_ERRNO_H
std::string StrError(int errnum) {
const int MaxErrStrLen = 2000;
char buffer[MaxErrStrLen];
buffer[0] = '\0';
std::string str;
if (errnum == 0)
return str;
#if defined(HAVE_STRERROR_R) || HAVE_DECL_STRERROR_S
const int MaxErrStrLen = 2000;
char buffer[MaxErrStrLen];
buffer[0] = '\0';
#endif
#ifdef HAVE_STRERROR_R
// strerror_r is thread-safe.