[llvm-commits] [llvm] r79890 - /llvm/trunk/lib/Support/raw_ostream.cpp

[Dan Gohman]

Author: djg
Date: Sun Aug 23 23:13:01 2009
New Revision: 79890

URL: http://llvm.org/viewvc/llvm-project?rev=79890&view=rev
Log:
raw_ostream::indent is used for PadToColumn which often prints more
than 16 spaces. Make the Spaces array wide enough to handle common cases.

Modified:
    llvm/trunk/lib/Support/raw_ostream.cpp

Modified: llvm/trunk/lib/Support/raw_ostream.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/raw_ostream.cpp?rev=79890&r1=79889&r2=79890&view=diff

==============================================================================
--- llvm/trunk/lib/Support/raw_ostream.cpp (original)
+++ llvm/trunk/lib/Support/raw_ostream.cpp Sun Aug 23 23:13:01 2009
@@ -19,6 +19,7 @@
 #include "llvm/Config/config.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
 #include <sys/stat.h>
 #include <sys/types.h>
@@ -298,14 +299,16 @@
 
 /// indent - Insert 'NumSpaces' spaces.
 raw_ostream &raw_ostream::indent(unsigned NumSpaces) {
-  const char *Spaces = "                ";
+  static const char Spaces[] = "                                "
+                               "                                "
+                               "                ";
 
   // Usually the indentation is small, handle it with a fastpath.
-  if (NumSpaces <= 16)
+  if (NumSpaces <= array_lengthof(Spaces))
     return write(Spaces, NumSpaces);
   
   while (NumSpaces) {
-    unsigned NumToWrite = std::min(NumSpaces, 16U);
+    unsigned NumToWrite = std::min(NumSpaces, (unsigned)array_lengthof(Spaces));
     write(Spaces, NumToWrite);
     NumSpaces -= NumToWrite;
   }