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#!/usr/bin/env perl
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
#
# This script scans C source files. If they seem to use memory functions,
# it also makes sure that it #includes the correct two header files!
#
# You can also mark a C source as fine by using 'mem-include-scan' anywhere in
# it.
#
use strict;
use warnings;
my $dir = $ARGV[0] || die "specify directory!";
sub scanfile {
my ($file) = @_;
my $memfunc;
my $memdebug;
my $curlmem;
print STDERR "checking $file...\n";
open(F, "<$file");
while(<F>) {
if($_ =~ /\W(free|alloc|strdup)\(/) {
$memfunc++;
}
elsif($_ =~ /^ *# *include \"memdebug.h\"/) {
$memdebug++;
}
elsif($_ =~ /^ *# *include \"curl_memory.h\"/) {
$curlmem++;
}
elsif($_ =~ /mem-include-scan/) {
# free pass
close(F);
return 0;
}
if($memfunc && $memdebug && $curlmem) {
last;
}
}
close(F);
if($memfunc) {
if($memdebug && $curlmem) {
return 0;
}
else {
if(!$memdebug) {
print STDERR "$file doesn't include \"memdebug.h\"!\n";
}
if(!$curlmem) {
print STDERR "$file doesn't include \"curl_memory.h\"!\n";
}
return 1;
}
}
return 0;
}
opendir(my $dh, $dir) || die "can't opendir $dir: $!";
my @cfiles = grep { /\.c\z/ && -f "$dir/$_" } readdir($dh);
closedir $dh;
my $errs;
for(@cfiles) {
$errs += scanfile("$dir/$_");
}
if($errs) {
print STDERR "----\n$errs errors detected!\n";
exit 2;
}
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