From: Ted Kremenek <kremenek@apple.com>
Date: Thu, 11 Sep 2008 18:17:51 +0000 (+0000)
Subject: Check if the environment variable TERM is defined before using it.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=0e6893840fdd69a8a4d6561663a5a29af237ae08;p=clang

Check if the environment variable TERM is defined before using it.

This fixes: <rdar://problem/6164279> scan-build gives error when invoked without TERM variable


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@56110 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/utils/scan-build b/utils/scan-build
index 908795e281..e0d53ad93d 100755
--- a/utils/scan-build
+++ b/utils/scan-build
@@ -26,8 +26,9 @@ my $BuildName;
 my $BuildDate;
 my $CXX;  # Leave undefined initially.
 
-my $UseColor = ((($ENV{'TERM'} eq 'xterm-color') and -t STDOUT)
-                and defined($ENV{'SCAN_BUILD_COLOR'}));
+my $TERM = $ENV{'TERM'};
+my $UseColor = (defined $TERM and $TERM eq 'xterm-color' and -t STDOUT
+                and defined $ENV{'SCAN_BUILD_COLOR'});
 
 ##----------------------------------------------------------------------------##
 # Diagnostics