[Feature][ZXW-88]merge P50 version

Only Configure: No
Affected branch: master
Affected module: unknown
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I34667719d9e0e7e29e8e4368848601cde0a48408
diff --git a/ap/lib/libcurl/curl-7.86.0/tests/symbol-scan.pl b/ap/lib/libcurl/curl-7.86.0/tests/symbol-scan.pl
new file mode 100755
index 0000000..8efa307
--- /dev/null
+++ b/ap/lib/libcurl/curl-7.86.0/tests/symbol-scan.pl
@@ -0,0 +1,243 @@
+#!/usr/bin/env perl
+#***************************************************************************
+#                                  _   _ ____  _
+#  Project                     ___| | | |  _ \| |
+#                             / __| | | | |_) | |
+#                            | (__| |_| |  _ <| |___
+#                             \___|\___/|_| \_\_____|
+#
+# Copyright (C) 2010 - 2022, 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 grew out of help from Przemyslaw Iskra and Balint Szilakszi
+# a late evening in the #curl IRC channel.
+#
+
+use strict;
+use warnings;
+use vars qw($Cpreprocessor);
+
+#
+# configurehelp perl module is generated by configure script
+#
+my $rc = eval {
+    require configurehelp;
+    configurehelp->import(qw(
+        $Cpreprocessor
+    ));
+    1;
+};
+# Set default values if configure has not generated a configurehelp.pm file.
+# This is the case with cmake.
+if (!$rc) {
+    $Cpreprocessor = 'cpp';
+}
+
+# we may get the dir root pointed out
+my $root=$ARGV[0] || ".";
+
+# need an include directory when building out-of-tree
+my $i = ($ARGV[1]) ? "-I$ARGV[1] " : '';
+
+my $verbose=0;
+my $summary=0;
+my $misses=0;
+
+my @manrefs;
+my @syms;
+my %doc;
+my %rem;
+
+# scanenum runs the preprocessor on curl.h so it will process all enums
+# included by it, which *should* be all headers
+sub scanenum {
+    my ($file) = @_;
+    open H_IN, "-|", "$Cpreprocessor $i$file" || die "Cannot preprocess $file";
+    while ( <H_IN> ) {
+        if ( /enum\s+(\S+\s+)?{/ .. /}/ ) {
+            s/^\s+//;
+            next unless /^CURL/;
+            chomp;
+            s/[,\s].*//;
+            push @syms, $_;
+        }
+    }
+    close H_IN || die "Error preprocessing $file";
+}
+
+sub scanheader {
+    my ($f)=@_;
+    open H, "<$f";
+    while(<H>) {
+        if (/^#define ((LIB|)CURL[A-Za-z0-9_]*)/) {
+            push @syms, $1;
+        }
+    }
+    close H;
+}
+
+sub scanallheaders {
+    my $d = "$root/include/curl";
+    opendir(my $dh, $d) ||
+        die "Can't opendir: $!";
+    my @headers = grep { /.h\z/ } readdir($dh);
+    closedir $dh;
+    foreach my $h (@headers) {
+        scanenum("$d/$h");
+        scanheader("$d/$h");
+    }
+}
+
+sub checkmanpage {
+    my ($m) = @_;
+
+    open(M, "<$m");
+    my $line = 1;
+    while(<M>) {
+        # strip off formatting
+        $_ =~ s/\\f[BPRI]//;
+        # detect global-looking 'CURL[BLABLA]_*' symbols
+        while(s/\W(CURL(AUTH|E|H|MOPT|OPT|SHOPT|UE|M|SSH|SSLBACKEND|HEADER|FORM|FTP|PIPE|MIMEOPT|GSSAPI|ALTSVC|PROTO|PROXY|UPART|USESSL|_READFUNC|_WRITEFUNC|_CSELECT|_FORMADD|_IPRESOLVE|_REDIR|_RTSPREQ|_TIMECOND|_VERSION)_[a-zA-Z0-9_]+)//) {
+            my $s = $1;
+            # skip two "special" ones
+            if($s !~ /^(CURLE_OBSOLETE|CURLOPT_TEMPLATE)/) {
+                push @manrefs, "$1:$m:$line";
+            }
+        }
+        $line++;
+    }
+    close(M);
+}
+
+sub scanman3dir {
+    my ($d) = @_;
+    opendir(my $dh, $d) ||
+        die "Can't opendir: $!";
+    my @mans = grep { /.3\z/ } readdir($dh);
+    closedir $dh;
+    for my $m (@mans) {
+        checkmanpage("$d/$m");
+    }
+}
+
+
+scanallheaders();
+scanman3dir("$root/docs/libcurl");
+scanman3dir("$root/docs/libcurl/opts");
+
+open S, "<$root/docs/libcurl/symbols-in-versions";
+while(<S>) {
+    if(/(^[^ \n]+) +(.*)/) {
+        my ($sym, $rest)=($1, $2);
+        if($doc{$sym}) {
+            print "Detected duplicate symbol: $sym\n";
+            $misses++;
+            next;
+        }
+        $doc{$sym}=$sym;
+        my @a=split(/ +/, $rest);
+        if($a[2]) {
+            # this symbol is documented to have been present the last time
+            # in this release
+            $rem{$sym}=$a[2];
+        }
+    }
+}
+close S;
+
+my $ignored=0;
+for my $e (sort @syms) {
+    # OBSOLETE - names that are just placeholders for a position where we
+    # previously had a name, that is now removed. The OBSOLETE names should
+    # never be used for anything.
+    #
+    # CURL_EXTERN - is a define used for libcurl functions that are external,
+    # public. No app or other code should ever use it.
+    #
+    # CURLINC_ - defines for header dual-include prevention, ignore those.
+    #
+    # *_LAST and *_LASTENTRY are just prefix for the placeholders used for the
+    # last entry in many enum series.
+    #
+
+    if($e =~ /(OBSOLETE|^CURL_EXTERN|^CURLINC_|_LAST\z|_LASTENTRY\z)/) {
+        $ignored++;
+        next;
+    }
+    if($doc{$e}) {
+        if($verbose) {
+            print $e."\n";
+        }
+        $doc{$e}="used";
+        next;
+    }
+    else {
+        print $e."\n";
+        $misses++;
+    }
+}
+
+#
+# now scan through all symbols that were present in the symbols-in-versions
+# but not in the headers
+#
+# If the symbols were marked 'removed' in symbols-in-versions we don't output
+# anything about it since that is perfectly fine.
+#
+
+my $anyremoved;
+
+for my $e (sort keys %doc) {
+    if(($doc{$e} ne "used") && !$rem{$e}) {
+
+        if(!$anyremoved++) {
+            print "Missing symbols mentioned in symbols-in-versions\n";
+            print "Add them to a header, or mark them as removed.\n";
+        }
+
+        print "$e\n";
+        $misses++;
+    }
+}
+
+my %warned;
+for my $r (@manrefs) {
+    if($r =~ /^([^:]+):(.*)/) {
+        my ($sym, $file)=($1, $2);
+        if(!$doc{$sym} && !$warned{$sym, $file}) {
+            print "$file: $sym is not a public symbol\n";
+            $warned{$sym, $file} = 1;
+        }
+    }
+}
+
+if($summary) {
+    print "Summary:\n";
+    printf "%d symbols in headers (out of which %d are ignored)\n", scalar(@syms),
+    $ignored;
+    printf "%d symbols in headers are interesting\n",
+    scalar(@syms)- $ignored;
+    printf "%d symbols are listed in symbols-in-versions\n (out of which %d are listed as removed)\n", scalar(keys %doc), scalar(keys %rem);
+    printf "%d symbols in symbols-in-versions should match the ones in headers\n", scalar(keys %doc) - scalar(keys %rem);
+}
+
+if($misses) {
+    exit 0; # there are stuff to attend to!
+}
+else {
+    print "OK\n";
+}