[llvm-commits] [llvm] r128199 - /llvm/trunk/lib/Support/Unix/PathV2.inc

[Michael J. Spencer]

Author: mspencer
Date: Thu Mar 24 00:23:40 2011
New Revision: 128199

URL: http://llvm.org/viewvc/llvm-project?rev=128199&view=rev
Log:
Remove all uses of PATH_MAX and MAXPATHLEN from PathV2.

Modified:
    llvm/trunk/lib/Support/Unix/PathV2.inc

Modified: llvm/trunk/lib/Support/Unix/PathV2.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/PathV2.inc?rev=128199&r1=128198&r2=128199&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Unix/PathV2.inc (original)
+++ llvm/trunk/lib/Support/Unix/PathV2.inc Thu Mar 24 00:23:40 2011
@@ -93,7 +93,8 @@
 namespace fs {
 
 error_code current_path(SmallVectorImpl<char> &result) {
-  result.reserve(MAXPATHLEN);
+  // Reserve an arbitrary amount of space.
+  result.reserve(128);
 
   while (true) {
     if (::getcwd(result.data(), result.capacity()) == 0) {
@@ -417,18 +418,13 @@
   }
 
    // Make the path absolute.
-  char real_path_buff[PATH_MAX + 1];
-  if (realpath(RandomPath.c_str(), real_path_buff) == NULL) {
-    int error = errno;
+  if (error_code ec = make_absolute(RandomPath)) {
     ::close(RandomFD);
     ::unlink(RandomPath.c_str());
-    return error_code(error, system_category());
+    return ec;
   }
 
-  result_path.clear();
-  StringRef d(real_path_buff);
-  result_path.append(d.begin(), d.end());
-
+  result_path = RandomPath;
   result_fd = RandomFD;
   return success;
 }