Recognize optional cast of the argument to free.

[gnulib.git] / build-aux / useless-if-before-free

diff --git a/build-aux/useless-if-before-free b/build-aux/useless-if-before-free
index eb18483..626d19a 100755 (executable)
--- a/build-aux/useless-if-before-free
+++ b/build-aux/useless-if-before-free
@@ -2,7 +2,7 @@
 # Detect instances of "if (p) free (p);".
 # Likewise for "if (p != NULL) free (p);".  And with braces.
 
-my $VERSION = '2008-02-11 08:08'; # UTC
+my $VERSION = '2008-03-12 13:06'; # UTC
 # The definition above must lie within the first 8 lines in order
 # for the Emacs time-stamp write hook (at end) to update it.
 # If you change this file with Emacs, please let the write hook
@@ -123,8 +123,8 @@ EOF
         {
           if ($line =~
               /\b(if\s*\(\s*(\S+?)(?:\s*!=\s*NULL)?\s*\)
-               (?:   \s*$regexp\s*\(\s*\2\s*\)|
-                \s*\{\s*$regexp\s*\(\s*\2\s*\)\s*;\s*\}))/sx)
+               (?:   \s*$regexp\s*\((?:\s*\([^)]+\))\s*\2\s*\)|
+                \s*\{\s*$regexp\s*\((?:\s*\([^)]+\))\s*\2\s*\)\s*;\s*\}))/sx)
             {
               $found_match = 1;
               $list