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termios.h contains the winsize structure we need to determine the

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width of a terminal. Don't try to get the width of a terminal if we
don't have this header.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72018 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Douglas Gregor
2009-05-18 17:21:34 +00:00
parent a537bf83ed
commit 071d73d67e
6 changed files with 16 additions and 5 deletions
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5
lib/System/Unix/Process.inc
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@@ -27,6 +27,9 @@
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#ifdef HAVE_TERMIOS_H
# include <termios.h>
#endif
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic UNIX code that
@@ -204,7 +207,7 @@ static unsigned getColumns(int FileID) {
unsigned Columns = 0;
#ifdef HAVE_SYS_IOCTL_H
#if defined(HAVE_SYS_IOCTL_H) && defined(HAVE_TERMIOS_H)
// Try to determine the width of the terminal.
struct winsize ws;
if (ioctl(FileID, TIOCGWINSZ, &ws) == 0)