[llvm] c04b63e - [NFC][AIX][XCOFF] fixed compile warning on the strncpy.

[via llvm-commits]

Author: diggerlin
Date: 2019-12-06T12:22:28-05:00
New Revision: c04b63eccd5f9fc19da410caea88d29f11e9886c

URL: https://github.com/llvm/llvm-project/commit/c04b63eccd5f9fc19da410caea88d29f11e9886c
DIFF: https://github.com/llvm/llvm-project/commit/c04b63eccd5f9fc19da410caea88d29f11e9886c.diff

LOG: [NFC][AIX][XCOFF] fixed compile warning on the strncpy.

SUMMARY:
There is warning when compile the file XCOFFObjectWriter.cpp
/srv/llvm-buildbot-srcatch/llvm-build-dir/openmp-gcc-x86_64-linux-debian/llvm.src/llvm/lib/MC/XCOFFObjectWriter.cpp:414:17: warning: 'char* strncpy(char*, const char*, size_t)' specified bound 8 equals destination size [-Wstringop-truncation]

The patch fixed the warning.

Reviewer: daltenty

Differential Revision: https://reviews.llvm.org/D71119

Added: 
    

Modified: 
    llvm/lib/MC/XCOFFObjectWriter.cpp

Removed: 
    


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diff  --git a/llvm/lib/MC/XCOFFObjectWriter.cpp b/llvm/lib/MC/XCOFFObjectWriter.cpp
index 773ca3a0909d..788de885e416 100644
--- a/llvm/lib/MC/XCOFFObjectWriter.cpp
+++ b/llvm/lib/MC/XCOFFObjectWriter.cpp
@@ -416,7 +416,7 @@ void XCOFFObjectWriter::writeSymbolName(const StringRef &SymbolName) {
     W.write<int32_t>(0);
     W.write<uint32_t>(Strings.getOffset(SymbolName));
   } else {
-    char Name[XCOFF::NameSize];
+    char Name[XCOFF::NameSize+1];
     std::strncpy(Name, SymbolName.data(), XCOFF::NameSize);
     ArrayRef<char> NameRef(Name, XCOFF::NameSize);
     W.write(NameRef);