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authordim <dim@FreeBSD.org>2012-08-15 19:34:23 +0000
committerdim <dim@FreeBSD.org>2012-08-15 19:34:23 +0000
commit721c201bd55ffb73cb2ba8d39e0570fa38c44e15 (patch)
treeeacfc83d988e4b9d11114387ae7dc41243f2a363 /lib/Support/PathV2.cpp
parent2b2816e083a455f7a656ae88b0fd059d1688bb36 (diff)
downloadFreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.zip
FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.tar.gz
Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
Diffstat (limited to 'lib/Support/PathV2.cpp')
-rw-r--r--lib/Support/PathV2.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Support/PathV2.cpp b/lib/Support/PathV2.cpp
index e2a69a6..46571c0 100644
--- a/lib/Support/PathV2.cpp
+++ b/lib/Support/PathV2.cpp
@@ -744,6 +744,8 @@ error_code has_magic(const Twine &path, const Twine &magic, bool &result) {
/// @brief Identify the magic in magic.
file_magic identify_magic(StringRef magic) {
+ if (magic.size() < 4)
+ return file_magic::unknown;
switch ((unsigned char)magic[0]) {
case 0xDE: // 0x0B17C0DE = BC wraper
if (magic[1] == (char)0xC0 && magic[2] == (char)0x17 &&
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