[llvm-commits] CVS: llvm/tools/bugpoint/SystemUtils.cpp

[Chris Lattner]

Changes in directory llvm/tools/bugpoint:

SystemUtils.cpp updated: 1.4 -> 1.5

---
Log message:

Remove usage of alloca


---
Diffs of the changes:

Index: llvm/tools/bugpoint/SystemUtils.cpp
diff -u llvm/tools/bugpoint/SystemUtils.cpp:1.4 llvm/tools/bugpoint/SystemUtils.cpp:1.5
--- llvm/tools/bugpoint/SystemUtils.cpp:1.4	Mon Jun 16 16:54:01 2003
+++ llvm/tools/bugpoint/SystemUtils.cpp	Mon Jun 16 17:22:11 2003
@@ -10,7 +10,7 @@
 #include <fstream>
 #include <iostream>
 #include <cstdlib>
-#include "Support/Alloca.h"
+#include <vector>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -33,13 +33,13 @@
     return FilenameBase;    // Couldn't open the file? Use it!
 
   // Create a pattern for mkstemp...
-  char *FNBuffer = (char*)alloca(FilenameBase.size()+8);
-  strcpy(FNBuffer, FilenameBase.c_str());
-  strcpy(FNBuffer+FilenameBase.size(), "-XXXXXX");
+  std::vector<char> FNBuffer(FilenameBase.size()+8);
+  strcpy(&FNBuffer[0], FilenameBase.c_str());
+  strcpy(&FNBuffer[FilenameBase.size()], "-XXXXXX");
 
   // Agree on a temporary file name to use....
   int TempFD;
-  if ((TempFD = mkstemp(FNBuffer)) == -1) {
+  if ((TempFD = mkstemp(&FNBuffer[0])) == -1) {
     std::cerr << "bugpoint: ERROR: Cannot create temporary file in the current "
 	      << " directory!\n";
     exit(1);
@@ -48,7 +48,7 @@
   // We don't need to hold the temp file descriptor... we will trust that noone
   // will overwrite/delete the file while we are working on it...
   close(TempFD);
-  return FNBuffer;
+  return std::string(&FNBuffer[0]);
 }
 
 /// isExecutableFile - This function returns true if the filename specified