mirror of
https://github.com/reactos/wine.git
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459 lines
14 KiB
Perl
Executable File
459 lines
14 KiB
Perl
Executable File
#! /usr/bin/perl -w
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#
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# Build the server/trace.c and server/request.h files
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# from the contents of server/protocol.def.
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#
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# Copyright (C) 1998 Alexandre Julliard
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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#
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use strict;
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my %formats =
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( # size align format
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"int" => [ 4, 4, "%d" ],
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"short int" => [ 2, 2, "%d" ],
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"char" => [ 1, 1, "%c" ],
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"unsigned char" => [ 1, 1, "%02x" ],
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"unsigned short"=> [ 2, 2, "%04x" ],
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"unsigned int" => [ 4, 4, "%08x" ],
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"data_size_t" => [ 4, 4, "%u" ],
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"obj_handle_t" => [ 4, 4, "%04x" ],
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"atom_t" => [ 4, 4, "%04x" ],
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"user_handle_t" => [ 4, 4, "%08x" ],
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"process_id_t" => [ 4, 4, "%04x" ],
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"thread_id_t" => [ 4, 4, "%04x" ],
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"client_ptr_t" => [ 8, 8, "&dump_uint64" ],
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"mod_handle_t" => [ 8, 8, "&dump_uint64" ],
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"lparam_t" => [ 8, 8, "&dump_uint64" ],
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"apc_param_t" => [ 8, 8, "&dump_uint64" ],
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"file_pos_t" => [ 8, 8, "&dump_uint64" ],
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"mem_size_t" => [ 8, 8, "&dump_uint64" ],
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"affinity_t" => [ 8, 8, "&dump_uint64" ],
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"timeout_t" => [ 8, 8, "&dump_timeout" ],
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"rectangle_t" => [ 16, 4, "&dump_rectangle" ],
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"char_info_t" => [ 4, 2, "&dump_char_info" ],
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"apc_call_t" => [ 40, 8, "&dump_apc_call" ],
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"apc_result_t" => [ 40, 8, "&dump_apc_result" ],
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"async_data_t" => [ 40, 8, "&dump_async_data" ],
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"luid_t" => [ 8, 4, "&dump_luid" ],
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"ioctl_code_t" => [ 4, 4, "&dump_ioctl_code" ],
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"cpu_type_t" => [ 4, 4, "&dump_cpu_type" ],
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);
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my @requests = ();
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my %replies = ();
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my @asserts = ();
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my @trace_lines = ();
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my $max_req_size = 64;
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my $warnings = scalar(@ARGV) && $ARGV[0] eq "-w";
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### Generate a dumping function
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sub DO_DUMP_FUNC($$@)
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{
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my $name = shift;
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my $req = shift;
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my $prefix = " ";
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push @trace_lines, "static void dump_${name}_$req( const struct ${name}_$req *req )\n{\n";
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while ($#_ >= 0)
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{
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my $type = shift;
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my $var = shift;
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next if $var =~ /^__pad/;
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if (defined($formats{$type}))
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{
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my $fmt = ${$formats{$type}}[2];
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if ($fmt =~ /^&(.*)/)
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{
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my $func = $1;
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push @trace_lines, " $func( \"$prefix$var=\", &req->$var );\n";
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}
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elsif ($fmt =~ /^(%.*)\s+\((.*)\)/)
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{
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my ($format, $cast) = ($1, $2);
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push @trace_lines, " fprintf( stderr, \"$prefix$var=$format\", ($cast)req->$var );\n";
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}
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else
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{
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push @trace_lines, " fprintf( stderr, \"$prefix$var=$fmt\", req->$var );\n";
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}
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}
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else # must be some varargs format
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{
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push @trace_lines, " " . sprintf($type, "$prefix$var=") . ";\n";
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}
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$prefix = ", ";
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}
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push @trace_lines, "}\n\n";
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}
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### Parse the request definitions
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sub PARSE_REQUESTS()
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{
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# states: 0 = header 1 = declarations 2 = inside @REQ 3 = inside @REPLY
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my $state = 0;
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my $offset = 0;
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my $name = "";
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my @in_struct = ();
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my @out_struct = ();
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open(PROTOCOL,"server/protocol.def") or die "Can't open server/protocol.def";
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while (<PROTOCOL>)
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{
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my ($type, $var);
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# strip comments
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s!/\*.*\*/!!g;
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# strip white space at end of line
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s/\s+$//;
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if (/^\@HEADER/)
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{
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die "Misplaced \@HEADER" unless $state == 0;
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$state++;
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next;
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}
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# ignore everything while in state 0
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next if $state == 0;
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if (/^\@REQ\(\s*(\w+)\s*\)/)
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{
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$name = $1;
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die "Misplaced \@REQ" unless $state == 1;
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# start a new request
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@in_struct = ();
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@out_struct = ();
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$offset = 12;
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print SERVER_PROT "struct ${name}_request\n{\n";
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print SERVER_PROT " struct request_header __header;\n";
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$state++;
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next;
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}
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if (/^\@REPLY/)
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{
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die "Misplaced \@REPLY" unless $state == 2;
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print SERVER_PROT "};\n";
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print SERVER_PROT "struct ${name}_reply\n{\n";
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print SERVER_PROT " struct reply_header __header;\n";
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die "request $name too large ($offset)" if ($offset > $max_req_size);
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$offset = 8;
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$state++;
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next;
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}
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if (/^\@END/)
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{
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die "Misplaced \@END" unless ($state == 2 || $state == 3);
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if ($offset & 7) # all requests should be 8-byte aligned
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{
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my $count = 8 - ($offset & 7);
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print SERVER_PROT " char __pad_$offset\[$count\];\n";
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$offset += $count;
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}
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print SERVER_PROT "};\n";
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if ($state == 2) # build dummy reply struct
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{
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die "request $name too large ($offset)" if ($offset > $max_req_size);
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push @asserts, "C_ASSERT( sizeof(struct ${name}_request) == $offset );\n";
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print SERVER_PROT "struct ${name}_reply\n{\n";
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print SERVER_PROT " struct reply_header __header;\n";
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print SERVER_PROT "};\n";
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}
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else
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{
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die "reply $name too large ($offset)" if ($offset > $max_req_size);
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push @asserts, "C_ASSERT( sizeof(struct ${name}_reply) == $offset );\n";
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}
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# got a complete request
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push @requests, $name;
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DO_DUMP_FUNC( $name, "request", @in_struct);
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if ($#out_struct >= 0)
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{
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$replies{$name} = 1;
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DO_DUMP_FUNC( $name, "reply", @out_struct);
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}
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$state = 1;
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next;
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}
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if ($state != 1)
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{
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# skip empty lines (but keep them in output file)
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if (/^$/)
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{
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print SERVER_PROT "\n";
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next;
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}
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if (/^\s*VARARG\((\w+),(\w+),(\w+)\)/)
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{
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$var = $1;
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$type = "dump_varargs_" . $2 . "( \"%s\", min(cur_size,req->" . $3 . ") )";
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s!(VARARG\(.*\)\s*;)!/* $1 */!;
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}
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elsif (/^\s*VARARG\((\w+),(\w+)\)/)
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{
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$var = $1;
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$type = "dump_varargs_" . $2 . "( \"%s\", cur_size )";
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s!(VARARG\(.*\)\s*;)!/* $1 */!;
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}
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elsif (/^\s*(\w+\**(\s+\w+\**)*)\s+(\w+);/)
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{
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$type = $1;
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$var = $3;
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die "Unrecognized type $type" unless defined($formats{$type});
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my @fmt = @{$formats{$type}};
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if ($offset & ($fmt[1] - 1))
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{
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my $count = $fmt[1] - ($offset & ($fmt[1] - 1));
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print "protocol.def:$.: warning: $name $offset $type $var needs padding\n" if $warnings;
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print SERVER_PROT " char __pad_$offset\[$count\];\n";
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$offset += $count;
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}
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if ($state == 2)
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{
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push @asserts, "C_ASSERT( FIELD_OFFSET(struct ${name}_request, $var) == $offset );\n";
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}
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else
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{
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push @asserts, "C_ASSERT( FIELD_OFFSET(struct ${name}_reply, $var) == $offset );\n";
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}
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$offset += $fmt[0];
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}
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else
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{
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die "Unrecognized syntax $_";
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}
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if ($state == 2) { push @in_struct, $type, $var; }
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if ($state == 3) { push @out_struct, $type, $var; }
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}
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# Pass it through into the output file
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print SERVER_PROT $_ . "\n";
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}
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close PROTOCOL;
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}
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### Retrieve the server protocol version from the existing server_protocol.h file
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sub GET_PROTOCOL_VERSION()
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{
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my $protocol = 0;
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open SERVER_PROT, "include/wine/server_protocol.h" or return 0;
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while (<SERVER_PROT>)
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{
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if (/^\#define SERVER_PROTOCOL_VERSION (\d+)/) { $protocol = $1; last; }
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}
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close SERVER_PROT;
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return $protocol;
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}
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### Retrieve the list of status and errors used in the server
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sub GET_ERROR_NAMES()
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{
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my %errors = ();
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foreach my $f (glob "server/*.c")
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{
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next if $f eq "server/trace.c";
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open FILE, $f or die "Can't open $f";
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while (<FILE>)
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{
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if (/STATUS_(\w+)/)
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{
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$errors{$1} = "STATUS_$1" unless $1 eq "SUCCESS";
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}
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elsif (/set_win32_error\s*\(\s*(\w+)\s*\)/)
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{
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$errors{$1} = "0xc0010000 | $1";
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}
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}
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close FILE;
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}
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return %errors;
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}
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# update a file if changed
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sub update_file($)
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{
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my $file = shift;
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my $ret = !(-f $file) || system "cmp $file $file.new >/dev/null";
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if (!$ret)
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{
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unlink "$file.new";
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}
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else
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{
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rename "$file.new", "$file";
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print "$file updated\n";
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}
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return $ret;
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}
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# replace some lines in a file between two markers
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sub replace_in_file($$$@)
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{
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my $file = shift;
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my $start = shift;
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my $end = shift;
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open NEW_FILE, ">$file.new" or die "cannot create $file.new";
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if (defined($start))
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{
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open OLD_FILE, "$file" or die "cannot open $file";
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while (<OLD_FILE>)
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{
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print NEW_FILE $_;
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last if /$start/;
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}
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}
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print NEW_FILE "\n", @_, "\n";
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if (defined($end))
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{
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my $skip=1;
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while (<OLD_FILE>)
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{
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$skip = 0 if /$end/;
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print NEW_FILE $_ unless $skip;
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}
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}
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close OLD_FILE if defined($start);
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close NEW_FILE;
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return update_file($file);
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}
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### Main
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# Get the server protocol version
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my $protocol = GET_PROTOCOL_VERSION();
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my %errors = GET_ERROR_NAMES();
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### Create server_protocol.h and print header
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open SERVER_PROT, ">include/wine/server_protocol.h.new" or die "Cannot create include/wine/server_protocol.h.new";
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print SERVER_PROT "/*\n * Wine server protocol definitions\n *\n";
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print SERVER_PROT " * This file is automatically generated; DO NO EDIT!\n";
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print SERVER_PROT " * Edit server/protocol.def instead and re-run tools/make_requests\n";
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print SERVER_PROT " */\n\n";
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print SERVER_PROT "#ifndef __WINE_WINE_SERVER_PROTOCOL_H\n";
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print SERVER_PROT "#define __WINE_WINE_SERVER_PROTOCOL_H\n";
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### Parse requests to find request/reply structure definitions
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PARSE_REQUESTS();
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### Build the request list and structures
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print SERVER_PROT "\n\nenum request\n{\n";
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foreach my $req (@requests) { print SERVER_PROT " REQ_$req,\n"; }
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print SERVER_PROT " REQ_NB_REQUESTS\n};\n\n";
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print SERVER_PROT "union generic_request\n{\n";
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print SERVER_PROT " struct request_max_size max_size;\n";
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print SERVER_PROT " struct request_header request_header;\n";
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foreach my $req (@requests) { print SERVER_PROT " struct ${req}_request ${req}_request;\n"; }
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print SERVER_PROT "};\n";
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print SERVER_PROT "union generic_reply\n{\n";
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print SERVER_PROT " struct request_max_size max_size;\n";
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print SERVER_PROT " struct reply_header reply_header;\n";
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foreach my $req (@requests) { print SERVER_PROT " struct ${req}_reply ${req}_reply;\n"; }
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print SERVER_PROT "};\n\n";
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printf SERVER_PROT "#define SERVER_PROTOCOL_VERSION %d\n\n", $protocol + 1;
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print SERVER_PROT "#endif /* __WINE_WINE_SERVER_PROTOCOL_H */\n";
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close SERVER_PROT;
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update_file( "include/wine/server_protocol.h" );
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### Output the dumping function tables
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push @trace_lines, "static const dump_func req_dumpers[REQ_NB_REQUESTS] = {\n";
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foreach my $req (@requests)
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{
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push @trace_lines, " (dump_func)dump_${req}_request,\n";
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}
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push @trace_lines, "};\n\n";
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push @trace_lines, "static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {\n";
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foreach my $req (@requests)
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{
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push @trace_lines, " ", $replies{$req} ? "(dump_func)dump_${req}_reply,\n" : "NULL,\n";
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}
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push @trace_lines, "};\n\n";
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push @trace_lines, "static const char * const req_names[REQ_NB_REQUESTS] = {\n";
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foreach my $req (@requests)
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{
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push @trace_lines, " \"$req\",\n";
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}
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push @trace_lines, "};\n\n";
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push @trace_lines, "static const struct\n{\n";
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push @trace_lines, " const char *name;\n";
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push @trace_lines, " unsigned int value;\n";
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push @trace_lines, "} status_names[] =\n{\n";
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foreach my $err (sort keys %errors)
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{
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push @trace_lines, sprintf(" { %-30s %s },\n", "\"$err\",", $errors{$err});
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}
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push @trace_lines, " { NULL, 0 }\n";
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push @trace_lines, "};\n";
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replace_in_file( "server/trace.c",
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"### make_requests begin ###",
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"### make_requests end ###",
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@trace_lines );
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### Output the request handlers list
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my @request_lines = ();
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foreach my $req (@requests) { push @request_lines, "DECL_HANDLER($req);\n"; }
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push @request_lines, "\n#ifdef WANT_REQUEST_HANDLERS\n\n";
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push @request_lines, "typedef void (*req_handler)( const void *req, void *reply );\n";
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push @request_lines, "static const req_handler req_handlers[REQ_NB_REQUESTS] =\n{\n";
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foreach my $req (@requests)
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{
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push @request_lines, " (req_handler)req_$req,\n";
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}
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push @request_lines, "};\n\n";
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foreach my $type (sort keys %formats)
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{
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my $size = ${$formats{$type}}[0];
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push @request_lines, "C_ASSERT( sizeof($type) == $size );\n";
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}
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push @request_lines, @asserts;
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push @request_lines, "\n#endif /* WANT_REQUEST_HANDLERS */\n";
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replace_in_file( "server/request.h",
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"### make_requests begin ###",
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"### make_requests end ###",
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@request_lines );
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