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Make FindProgramByName return paths with slashes unmodified on Windows.

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This makes its behaviour more consistent across platforms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118048 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov 2010-11-02 20:32:39 +00:00
parent 0f2ec15b9e
commit 9cd5971228
3 changed files with 8 additions and 5 deletions
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3
include/llvm/System/Program.h
View File

@ -114,7 +114,8 @@ namespace sys {
/// This static constructor (factory) will attempt to locate a program in
/// the operating system's file system using some pre-determined set of
/// locations to search (e.g. the PATH on Unix).
/// locations to search (e.g. the PATH on Unix). Paths with slashes are
/// returned unmodified.
/// @returns A Path object initialized to the path of the program or a
/// Path object that is empty (invalid) if the program could not be found.
/// @brief Construct a Program by finding it by name.

4
lib/System/Unix/Program.inc
View File

@ -66,8 +66,8 @@ Program::FindProgramByName(const std::string& progName) {
if (progName.find('/') != std::string::npos)
return temp;
// At this point, the file name does not contain slashes. Search for it
// through the directories specified in the PATH environment variable.
// At this point, the file name is valid and does not contain slashes. Search
// for it through the directories specified in the PATH environment variable.
// Get the path. If its empty, we can't do anything to find it.
const char *PathStr = getenv("PATH");

6
lib/System/Win32/Program.inc
View File

@ -67,10 +67,12 @@ Program::FindProgramByName(const std::string& progName) {
Path temp;
if (!temp.set(progName)) // invalid name
return Path();
if (temp.canExecute()) // already executable as is
// 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 its not executable.
// At this point, the file name is valid and does not contain slashes.
// Let Windows search for it.
char buffer[MAX_PATH];
char *dummy = NULL;