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Remove FindProgramByName. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@221258 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-11-04 12:35:47 +00:00
parent 3f4bf44b1c
commit 5dac5bd225
4 changed files with 5 additions and 100 deletions
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39
lib/Support/Windows/Program.inc
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@@ -32,45 +32,6 @@ using namespace sys;
ProcessInfo::ProcessInfo() : ProcessHandle(0), Pid(0), ReturnCode(0) {}
// This function just uses the PATH environment variable to find the program.
std::string sys::FindProgramByName(const std::string &progName) {
// Check some degenerate cases
if (progName.length() == 0) // no program
return "";
std::string temp = progName;
// Return paths with slashes verbatim.
if (progName.find('\\') != std::string::npos ||
progName.find('/') != std::string::npos)
return temp;
// At this point, the file name is valid and does not contain slashes.
// Let Windows search for it.
SmallVector<wchar_t, MAX_PATH> progNameUnicode;
if (windows::UTF8ToUTF16(progName, progNameUnicode))
return "";
SmallVector<wchar_t, MAX_PATH> buffer;
DWORD len = MAX_PATH;
do {
buffer.reserve(len);
len = ::SearchPathW(NULL, progNameUnicode.data(), L".exe",
buffer.capacity(), buffer.data(), NULL);
// See if it wasn't found.
if (len == 0)
return "";
// Buffer was too small; grow and retry.
} while (len > buffer.capacity());
buffer.set_size(len);
SmallVector<char, MAX_PATH> result;
if (windows::UTF16ToUTF8(buffer.begin(), buffer.size(), result))
return "";
return std::string(result.data(), result.size());
}
ErrorOr<std::string> sys::findProgramByName(StringRef Name,
ArrayRef<StringRef> Paths) {
assert(!Name.empty() && "Must have a name!");