tools/check-includes.pl

   1 # SPDX-License-Identifier: CC0-1.0
   2 #!/usr/bin/env perl
   3 #
   4 # checkincludes: Find files included more than once in (other) files.
   5
   6 foreach $file (@ARGV) {
   7         open(FILE, $file) or die "Cannot open $file: $!.\n";
   8
   9         my %includedfiles = ();
  10
  11         while (<FILE>) {
  12                 if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) {
  13                         ++$includedfiles{$1};
  14                 }
  15         }
  16         foreach $filename (keys %includedfiles) {
  17                 if ($includedfiles{$filename} > 1) {
  18                         print "$file: $filename is included more than once.\n";
  19                 }
  20         }
  21
  22         close(FILE);
  23 }