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Don't bother checking canRead() before calling getMagicNumber();

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getMagicNumber() does its own error checking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104851 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-05-27 17:12:23 +00:00
parent 55e9717e59
commit 130de9c0b4
1 changed files with 13 additions and 16 deletions
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5
lib/System/Path.cpp
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@ -136,14 +136,11 @@ sys::IdentifyFileType(const char *magic, unsigned length) {
bool
Path::isArchive() const {
if (canRead())
return hasMagicNumber("!<arch>\012");
return false;
}
bool
Path::isDynamicLibrary() const {
if (canRead()) {
std::string Magic;
if (getMagicNumber(Magic, 64))
switch (IdentifyFileType(Magic.c_str(),
@ -155,7 +152,7 @@ Path::isDynamicLibrary() const {
case ELF_SharedObject_FileType:
case COFF_FileType: return true;
}
}
return false;
}