| # SPDX-License-Identifier: CC0-1.0 | |
| #!/usr/bin/env perl | |
| # | |
| # checkincludes: Find files included more than once in (other) files. | |
| foreach $file (@ARGV) { | |
| open(FILE, $file) or die "Cannot open $file: $!.\n"; | |
| my %includedfiles = (); | |
| while (<FILE>) { | |
| if (m/^\s*#\s*include\s*[<"](\S*)[>"]/o) { | |
| ++$includedfiles{$1}; | |
| } | |
| } | |
| foreach $filename (keys %includedfiles) { | |
| if ($includedfiles{$filename} > 1) { | |
| print "$file: $filename is included more than once.\n"; | |
| } | |
| } | |
| close(FILE); | |
| } |