From: Rui Ueyama <ruiu@google.com>
Date: Wed, 15 Feb 2017 01:09:40 +0000 (+0000)
Subject: Instead of a series of string operations, use snprintf().
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7855b94bca9e4c3188bc8cdef76e5e20ec508b0a;p=llvm

Instead of a series of string operations, use snprintf().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295138 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/MC/WinCOFFObjectWriter.cpp b/lib/MC/WinCOFFObjectWriter.cpp
index 8ed5dd0c45e..091693a483a 100644
--- a/lib/MC/WinCOFFObjectWriter.cpp
+++ b/lib/MC/WinCOFFObjectWriter.cpp
@@ -434,10 +434,8 @@ void WinCOFFObjectWriter::SetSectionName(COFFSection &S) {
 
   uint64_t StringTableEntry = Strings.getOffset(S.Name);
   if (StringTableEntry <= Max7DecimalOffset) {
-    SmallVector<char, COFF::NameSize> Buffer;
-    Twine('/').concat(Twine(StringTableEntry)).toVector(Buffer);
-    assert(Buffer.size() <= COFF::NameSize && Buffer.size() >= 2);
-    std::memcpy(S.Header.Name, Buffer.data(), Buffer.size());
+    snprintf(S.Header.Name, sizeof(S.Header.Name), "/%" PRIu64,
+             StringTableEntry);
     return;
   }
   if (StringTableEntry <= MaxBase64Offset) {