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Eliminate some temporary std::strings.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118086 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-11-02 22:07:47 +00:00
parent e95c946aeb
commit 8d4fd965d4
1 changed files with 4 additions and 4 deletions
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8
lib/System/Unix/Path.inc
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@ -352,18 +352,18 @@ Path Path::GetMainExecutable(const char *argv0, void *MainAddr) {
if (_NSGetExecutablePath(exe_path, &size) == 0) {
char link_path[MAXPATHLEN];
if (realpath(exe_path, link_path))
return Path(std::string(link_path));
return Path(link_path);
}
#elif defined(__FreeBSD__) || defined (__NetBSD__) || defined(__minix)
char exe_path[PATH_MAX];
if (getprogpath(exe_path, argv0) != NULL)
return Path(std::string(exe_path));
return Path(exe_path);
#elif defined(__linux__) || defined(__CYGWIN__)
char exe_path[MAXPATHLEN];
ssize_t len = readlink("/proc/self/exe", exe_path, sizeof(exe_path));
if (len >= 0)
return Path(std::string(exe_path, len));
return Path(StringRef(exe_path, len));
#elif defined(HAVE_DLFCN_H)
// Use dladdr to get executable path if available.
Dl_info DLInfo;
@ -375,7 +375,7 @@ Path Path::GetMainExecutable(const char *argv0, void *MainAddr) {
// the actual executable.
char link_path[MAXPATHLEN];
if (realpath(DLInfo.dli_fname, link_path))
return Path(std::string(link_path));
return Path(link_path);
#else
#error GetMainExecutable is not implemented on this host yet.
#endif