mirror of
https://github.com/curl/curl.git
synced 2024-11-21 01:16:58 +08:00
fcc89619d9
- avoid regexp in grep to make it run faster. - add support for parsing Apple `nm` output: - skip leading underscore from function names. - pick object name from output. Closes #15070
245 lines
7.0 KiB
Perl
Executable File
245 lines
7.0 KiB
Perl
Executable File
#!/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 is aimed to help scan for and detect globally declared functions
|
|
# that are not used from other source files.
|
|
#
|
|
# Use it like this:
|
|
#
|
|
# $ ./scripts/singleuse.pl [--unit] lib/.libs/libcurl.a
|
|
#
|
|
# --unit : built to support unit tests
|
|
#
|
|
|
|
my $unittests;
|
|
if($ARGV[0] eq "--unit") {
|
|
$unittests = "tests/unit ";
|
|
shift @ARGV;
|
|
}
|
|
|
|
my $file = $ARGV[0];
|
|
|
|
my %wl = (
|
|
'curlx_uztoso' => 'cmdline tool use',
|
|
'Curl_xfer_write_resp' => 'internal api',
|
|
'Curl_creader_def_init' => 'internal api',
|
|
'Curl_creader_def_close' => 'internal api',
|
|
'Curl_creader_def_read' => 'internal api',
|
|
'Curl_creader_def_total_length' => 'internal api',
|
|
);
|
|
|
|
my %api = (
|
|
'curl_easy_cleanup' => 'API',
|
|
'curl_easy_duphandle' => 'API',
|
|
'curl_easy_escape' => 'API',
|
|
'curl_easy_getinfo' => 'API',
|
|
'curl_easy_init' => 'API',
|
|
'curl_easy_pause' => 'API',
|
|
'curl_easy_perform' => 'API',
|
|
'curl_easy_recv' => 'API',
|
|
'curl_easy_reset' => 'API',
|
|
'curl_easy_send' => 'API',
|
|
'curl_easy_setopt' => 'API',
|
|
'curl_easy_strerror' => 'API',
|
|
'curl_easy_unescape' => 'API',
|
|
'curl_easy_upkeep' => 'API',
|
|
'curl_easy_option_by_id' => 'API',
|
|
'curl_easy_option_by_name' => 'API',
|
|
'curl_easy_option_next' => 'API',
|
|
'curl_escape' => 'API',
|
|
'curl_formadd' => 'API',
|
|
'curl_formfree' => 'API',
|
|
'curl_formget' => 'API',
|
|
'curl_free' => 'API',
|
|
'curl_getdate' => 'API',
|
|
'curl_getenv' => 'API',
|
|
'curl_global_cleanup' => 'API',
|
|
'curl_global_init' => 'API',
|
|
'curl_global_init_mem' => 'API',
|
|
'curl_global_sslset' => 'API',
|
|
'curl_global_trace' => 'API',
|
|
'curl_maprintf' => 'API',
|
|
'curl_mfprintf' => 'API',
|
|
'curl_mime_addpart' => 'API',
|
|
'curl_mime_data' => 'API',
|
|
'curl_mime_data_cb' => 'API',
|
|
'curl_mime_encoder' => 'API',
|
|
'curl_mime_filedata' => 'API',
|
|
'curl_mime_filename' => 'API',
|
|
'curl_mime_free' => 'API',
|
|
'curl_mime_headers' => 'API',
|
|
'curl_mime_init' => 'API',
|
|
'curl_mime_name' => 'API',
|
|
'curl_mime_subparts' => 'API',
|
|
'curl_mime_type' => 'API',
|
|
'curl_mprintf' => 'API',
|
|
'curl_msnprintf' => 'API',
|
|
'curl_msprintf' => 'API',
|
|
'curl_multi_add_handle' => 'API',
|
|
'curl_multi_assign' => 'API',
|
|
'curl_multi_cleanup' => 'API',
|
|
'curl_multi_fdset' => 'API',
|
|
'curl_multi_get_handles' => 'API',
|
|
'curl_multi_info_read' => 'API',
|
|
'curl_multi_init' => 'API',
|
|
'curl_multi_perform' => 'API',
|
|
'curl_multi_remove_handle' => 'API',
|
|
'curl_multi_setopt' => 'API',
|
|
'curl_multi_socket' => 'API',
|
|
'curl_multi_socket_action' => 'API',
|
|
'curl_multi_socket_all' => 'API',
|
|
'curl_multi_poll' => 'API',
|
|
'curl_multi_strerror' => 'API',
|
|
'curl_multi_timeout' => 'API',
|
|
'curl_multi_wait' => 'API',
|
|
'curl_multi_waitfds' => 'API',
|
|
'curl_multi_wakeup' => 'API',
|
|
'curl_mvaprintf' => 'API',
|
|
'curl_mvfprintf' => 'API',
|
|
'curl_mvprintf' => 'API',
|
|
'curl_mvsnprintf' => 'API',
|
|
'curl_mvsprintf' => 'API',
|
|
'curl_pushheader_byname' => 'API',
|
|
'curl_pushheader_bynum' => 'API',
|
|
'curl_share_cleanup' => 'API',
|
|
'curl_share_init' => 'API',
|
|
'curl_share_setopt' => 'API',
|
|
'curl_share_strerror' => 'API',
|
|
'curl_slist_append' => 'API',
|
|
'curl_slist_free_all' => 'API',
|
|
'curl_strequal' => 'API',
|
|
'curl_strnequal' => 'API',
|
|
'curl_unescape' => 'API',
|
|
'curl_url' => 'API',
|
|
'curl_url_cleanup' => 'API',
|
|
'curl_url_dup' => 'API',
|
|
'curl_url_get' => 'API',
|
|
'curl_url_set' => 'API',
|
|
'curl_url_strerror' => 'API',
|
|
'curl_version' => 'API',
|
|
'curl_version_info' => 'API',
|
|
'curl_easy_header' => 'API',
|
|
'curl_easy_nextheader' => 'API',
|
|
'curl_ws_meta' => 'API',
|
|
'curl_ws_recv' => 'API',
|
|
'curl_ws_send' => 'API',
|
|
|
|
# the following functions are provided globally in debug builds
|
|
'curl_easy_perform_ev' => 'debug-build',
|
|
);
|
|
|
|
sub doublecheck {
|
|
my ($f, $used) = @_;
|
|
open(F, "git grep -Fwle '$f' -- lib ${unittests}packages|");
|
|
my @also;
|
|
while(<F>) {
|
|
my $e = $_;
|
|
chomp $e;
|
|
if($e =~ /\.[c]$/) {
|
|
if($e !~ /^lib\/${used}\.c/) {
|
|
push @also, $e;
|
|
}
|
|
}
|
|
}
|
|
close(F);
|
|
return @also;
|
|
}
|
|
|
|
open(N, "nm $file|") ||
|
|
die;
|
|
|
|
my %exist;
|
|
my %uses;
|
|
my $file;
|
|
while (<N>) {
|
|
my $l = $_;
|
|
chomp $l;
|
|
|
|
if($l =~ /^([0-9a-z_-]+)\.o:/) {
|
|
$file = $1;
|
|
}
|
|
# libcurl.a(unity_0_c.c.o):
|
|
elsif($l =~ /\(([0-9a-z_.-]+)\.o\):/) { # Apple nm
|
|
$file = $1;
|
|
}
|
|
if($l =~ /^([0-9a-f]+) T _?(.*)/) {
|
|
my ($name)=($2);
|
|
#print "Define $name in $file\n";
|
|
$file =~ s/^libcurl_la-//;
|
|
$exist{$name} = $file;
|
|
}
|
|
elsif($l =~ /^ U _?(.*)/) {
|
|
my ($name)=($1);
|
|
#print "Uses $name in $file\n";
|
|
$uses{$name} .= "$file, ";
|
|
}
|
|
}
|
|
close(N);
|
|
|
|
my $err;
|
|
for(sort keys %exist) {
|
|
#printf "%s is defined in %s, used by: %s\n", $_, $exist{$_}, $uses{$_};
|
|
if(!$uses{$_}) {
|
|
# this is a symbol with no "global" user
|
|
if($_ =~ /^curl_dbg_/) {
|
|
# we ignore the memdebug symbols
|
|
}
|
|
elsif($_ =~ /^curl_/) {
|
|
if(!$api{$_}) {
|
|
# not present in the API, or for debug-builds
|
|
print STDERR "Bad curl-prefix: $_\n";
|
|
$err++;
|
|
}
|
|
}
|
|
elsif($wl{$_}) {
|
|
#print "$_ is WL\n";
|
|
}
|
|
else {
|
|
my $c = $_;
|
|
my @also = doublecheck($c, $exist{$c});
|
|
if(!scalar(@also)) {
|
|
printf "%s in %s\n", $c, $exist{$c};
|
|
$err++;
|
|
}
|
|
# foreach my $a (@also) {
|
|
# print " $a\n";
|
|
# }
|
|
}
|
|
}
|
|
elsif($_ =~ /^curl_/) {
|
|
# global prefix, make sure it is "blessed"
|
|
if(!$api{$_}) {
|
|
# not present in the API, or for debug-builds
|
|
if($_ !~ /^curl_dbg_/) {
|
|
# ignore the memdebug symbols
|
|
print STDERR "Bad curl-prefix $_\n";
|
|
$err++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
exit $err;
|