Add terminal width detection to llvm::sys::Process. This is needed to

fix Clang PRs 4148 and 4183.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71448 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 0 deletions

diff --git a/include/llvm/System/Process.h b/include/llvm/System/Process.h
index f98a3612c6..ce19eb2981 100644
--- a/include/llvm/System/Process.h
+++ b/include/llvm/System/Process.h
@@ -94,6 +94,19 @@ namespace sys {
       /// the user rather than being put on a pipe or stored in a file.
       static bool StandardErrIsDisplayed();
 
+      /// This function determines the number of columns in the window
+      /// if standard output is connected to a "tty" or "console"
+      /// window. If standard output is not connected to a tty or
+      /// console, or if the number of columns cannot be determined,
+      /// this routine returns zero.
+      static unsigned StandardOutColumns();
+
+      /// This function determines the number of columns in the window
+      /// if standard error is connected to a "tty" or "console"
+      /// window. If standard error is not connected to a tty or
+      /// console, or if the number of columns cannot be determined,
+      /// this routine returns zero.
+      static unsigned StandardErrColumns();
     /// @}
   };
 }