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| author | Reid Spencer <rspencer@reidspencer.com> | 2004-11-09 20:27:23 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2004-11-09 20:27:23 +0000 |
| commit | 202eaeb2725da948c0dabd87718c3b56368c44eb (patch) | |
| tree | 1609667498c7c5e099b399aa1dc4ce31a3b4ddf9 | |
| parent | fb1f7357c23d1e9d01299df2ec45147e6a0971fb (diff) | |
| download | bcm5719-llvm-202eaeb2725da948c0dabd87718c3b56368c44eb.tar.gz bcm5719-llvm-202eaeb2725da948c0dabd87718c3b56368c44eb.zip | |
Fix isBytecodeFile to correctly recognized compressed bytecode too.
llvm-svn: 17655
| -rw-r--r-- | llvm/lib/System/Win32/Path.cpp | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/llvm/lib/System/Win32/Path.cpp b/llvm/lib/System/Win32/Path.cpp index e22b0354b7e..08a3d402e88 100644 --- a/llvm/lib/System/Win32/Path.cpp +++ b/llvm/lib/System/Win32/Path.cpp @@ -242,10 +242,13 @@ bool Path::hasMagicNumber(const std::string &Magic) const { bool Path::isBytecodeFile() const { - if (readable()) { - return hasMagicNumber("llvm"); - } - return false; + char buffer[ 4]; + buffer[0] = 0; + std::ifstream f(path.c_str()); + f.read(buffer, 4); + if (f.bad()) + ThrowErrno("can't read file signature"); + return 0 == memcmp(buffer,"llvc",4) || 0 == memcmp(buffer,"llvm",4); } bool |
