#!/bin/sh

# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0.  If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.

status=0

#
# Check for missing #include <isc/print.h> or "print_p.h"
#
list=$(git grep -l snprintf lib bin \
  | grep '\.c$' \
  | grep -vE -e '(lib/bind|lib/dns/rdata|lib/dns/gen.c)' \
    -e '(lib/isc/win32/time.c|dlzexternal/driver.c)' \
  | xargs grep -EL "(isc/print.h|print_p.h)" 2>/dev/null)
[ -n "$list" ] && {
  status=1
  echo 'Missing #include <isc/print.h> or #include "print_p.h":'
  echo "$list"
}

#
# Check for missing #include <isc/strerr.h>
#
list=$(git grep -wl strerror_r lib bin \
  | grep '\.c$' \
  | grep -vE -e '(lib/bind|lib/dns/rdata|lib/dns/gen.c)' \
    -e lib/isc/string.c \
    -e '(lib/isc/win32/time.c|dlzexternal/driver.c)' \
  | xargs grep -EL "(isc/strerr.h)" 2>/dev/null)
[ -n "$list" ] && {
  status=1
  echo 'Missing #include <isc/strerr.h>:'
  echo "$list"
}

#
# Check for missing #include <inttypes.h>"
#
list=$(git grep -l uintptr_t lib bin \
  | grep '\.c$' \
  | grep -vE -e '(lib/bind|lib/dns/rdata|lib/dns/gen.c)' \
    -e '(lib/isc/win32/time.c)' \
  | xargs grep -L "<inttypes.h>")
[ -n "$list" ] && {
  status=1
  echo 'Missing #include <inttypes.h>:'
  echo "$list"
}

list=$(git ls-files -c lib bin | grep '\.vcxproj\.in$' \
  | xargs grep -L '<ProjectGuid>' \
  | awk '{a[$2]++;} END { for (g in a) if (a[g] != 1) print g;}')
[ -n "$list" ] && {
  status=1
  echo 'duplicate <ProjectGuid>'"'"'s:'
  echo "$list"
}

for lib in $(git ls-files -c lib \
  | sed -n 's;^lib/\([^/]*\)/win32/.*\.def.*$;\1;p' \
  | sort -u); do
  def=$(git ls-files -c lib \
    | grep lib/${lib}/win32/lib${lib}.def \
    | sort \
    | tail -n 1)
  test -z "$def" && continue
  test -f "$def" || continue
  dirs=
  test -d lib/$lib/include && dirs="$dirs lib/$lib/include"
  test -d lib/$lib/win32/include && dirs="$dirs lib/$lib/win32/include"
  test -z "$dirs" && continue
  pat=$lib
  test $lib = dns && pat='\(dns\|dst\)'
  test $lib = isccfg && pat='cfg'
  pat="^${pat}_[a-z0-9_]*("
  list=$(git ls-files -c $dirs | grep '\.h$' \
    | xargs grep "$pat" \
    | sed -e 's/.*://' -e 's/(.*//' \
    | while read p; do
      if test "$p" = isc_ntsecurity_getaccountgroups; then
        continue
      elif test "$p" = isc_socketmgr_getmaxsockets; then
        p=isc__socketmgr_getmaxsockets
      fi
      grep -q "^${p}"'$' $def && continue
      test $lib = isc -a -f lib/isc/win32/libisc.def.exclude \
        && grep -q "^${p}"'$' lib/isc/win32/libisc.def.exclude \
        && continue
      grep -sq "^$p(" lib/$lib/*.c lib/$lib/unix/*.c \
        lib/$lib/win32/*.c lib/$lib/netmgr/*.c && echo "$p"
    done)
  [ -n "$list" ] && {
    status=1
    echo "Missing from ${def}:"
    echo "$list"
  }
done

exit $status