mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-12-25 00:45:31 +00:00
afdc1b5cbd
We called in tinycrypt in the file names, but uecc in config.h, all.sh and other places, which could be confusing. Just use tinycrypt everywhere because that's the name of the project and repo where we took the files. The changes were made using the following commands (with GNU sed and zsh): sed -i 's/uecc/tinycrypt/g' **/*.[ch] tests/scripts/all.sh sed -i 's/MBEDTLS_USE_UECC/MBEDTLS_USE_TINYCRYPT/g' **/*.[ch] tests/scripts/all.sh scripts/config.pl
301 lines
8.9 KiB
Perl
Executable file
301 lines
8.9 KiB
Perl
Executable file
#!/usr/bin/env perl
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#
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# This file is part of mbed TLS (https://tls.mbed.org)
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#
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# Copyright (c) 2014-2016, ARM Limited, All Rights Reserved
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#
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# Purpose
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#
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# Comments and uncomments #define lines in the given header file and optionally
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# sets their value or can get the value. This is to provide scripting control of
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# what preprocessor symbols, and therefore what build time configuration flags
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# are set in the 'config.h' file.
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#
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# Usage: config.pl [-f <file> | --file <file>] [-o | --force]
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# [set <symbol> <value> | unset <symbol> | get <symbol> |
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# full | realfull]
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#
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# Full usage description provided below.
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#
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# The following options are disabled instead of enabled with "full".
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#
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# MBEDTLS_TEST_NULL_ENTROPY
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# MBEDTLS_DEPRECATED_REMOVED
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# MBEDTLS_HAVE_SSE2
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# MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
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# MBEDTLS_ECP_DP_M221_ENABLED
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# MBEDTLS_ECP_DP_M383_ENABLED
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# MBEDTLS_ECP_DP_M511_ENABLED
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# MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
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# MBEDTLS_NO_PLATFORM_ENTROPY
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# MBEDTLS_REMOVE_ARC4_CIPHERSUITES
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# MBEDTLS_REMOVE_3DES_CIPHERSUITES
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# MBEDTLS_SSL_HW_RECORD_ACCEL
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# MBEDTLS_RSA_NO_CRT
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# MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
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# MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
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# - this could be enabled if the respective tests were adapted
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# MBEDTLS_ZLIB_SUPPORT
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# MBEDTLS_PKCS11_C
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# and any symbol beginning _ALT
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#
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use warnings;
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use strict;
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my $config_file = "include/mbedtls/config.h";
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my $usage = <<EOU;
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$0 [-f <file> | --file <file>] [-o | --force]
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[set <symbol> <value> | unset <symbol> | get <symbol> |
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full | realfull | baremetal]
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Commands
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set <symbol> [<value>] - Uncomments or adds a #define for the <symbol> to
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the configuration file, and optionally making it
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of <value>.
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If the symbol isn't present in the file an error
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is returned.
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unset <symbol> - Comments out the #define for the given symbol if
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present in the configuration file.
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get <symbol> - Finds the #define for the given symbol, returning
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an exitcode of 0 if the symbol is found, and 1 if
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not. The value of the symbol is output if one is
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specified in the configuration file.
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full - Uncomments all #define's in the configuration file
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excluding some reserved symbols, until the
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'Module configuration options' section
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realfull - Uncomments all #define's with no exclusions
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baremetal - Sets full configuration suitable for baremetal build.
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Options
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-f | --file <filename> - The file or file path for the configuration file
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to edit. When omitted, the following default is
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used:
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$config_file
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-o | --force - If the symbol isn't present in the configuration
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file when setting its value, a #define is
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appended to the end of the file.
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EOU
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my @excluded = qw(
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MBEDTLS_TEST_NULL_ENTROPY
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MBEDTLS_DEPRECATED_REMOVED
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MBEDTLS_HAVE_SSE2
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MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
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MBEDTLS_ECP_DP_M221_ENABLED
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MBEDTLS_ECP_DP_M383_ENABLED
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MBEDTLS_ECP_DP_M511_ENABLED
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MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES
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MBEDTLS_NO_PLATFORM_ENTROPY
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MBEDTLS_RSA_NO_CRT
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MBEDTLS_REMOVE_ARC4_CIPHERSUITES
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MBEDTLS_REMOVE_3DES_CIPHERSUITES
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MBEDTLS_SSL_HW_RECORD_ACCEL
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MBEDTLS_X509_ALLOW_EXTENSIONS_NON_V3
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MBEDTLS_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION
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MBEDTLS_ZLIB_SUPPORT
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MBEDTLS_PKCS11_C
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MBEDTLS_NO_UDBL_DIVISION
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MBEDTLS_NO_64BIT_MULTIPLICATION
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MBEDTLS_USE_TINYCRYPT
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_ALT\s*$
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);
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# Things that should be disabled in "baremetal"
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my @excluded_baremetal = qw(
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MBEDTLS_NET_C
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MBEDTLS_TIMING_C
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MBEDTLS_FS_IO
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MBEDTLS_ENTROPY_NV_SEED
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MBEDTLS_HAVE_TIME
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MBEDTLS_HAVE_TIME_DATE
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MBEDTLS_DEPRECATED_WARNING
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MBEDTLS_HAVEGE_C
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MBEDTLS_THREADING_C
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MBEDTLS_THREADING_PTHREAD
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MBEDTLS_MEMORY_BACKTRACE
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MBEDTLS_MEMORY_BUFFER_ALLOC_C
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MBEDTLS_PLATFORM_TIME_ALT
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MBEDTLS_PLATFORM_FPRINTF_ALT
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);
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# Things that should be enabled in "full" even if they match @excluded
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my @non_excluded = qw(
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PLATFORM_[A-Z0-9]+_ALT
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);
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# Things that should be enabled in "baremetal"
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my @non_excluded_baremetal = qw(
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MBEDTLS_NO_PLATFORM_ENTROPY
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);
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# Process the command line arguments
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my $force_option = 0;
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my ($arg, $name, $value, $action);
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while ($arg = shift) {
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# Check if the argument is an option
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if ($arg eq "-f" || $arg eq "--file") {
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$config_file = shift;
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-f $config_file or die "No such file: $config_file\n";
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}
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elsif ($arg eq "-o" || $arg eq "--force") {
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$force_option = 1;
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}
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else
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{
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# ...else assume it's a command
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$action = $arg;
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if ($action eq "full" || $action eq "realfull" || $action eq "baremetal" ) {
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# No additional parameters
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die $usage if @ARGV;
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}
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elsif ($action eq "unset" || $action eq "get") {
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die $usage unless @ARGV;
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$name = shift;
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}
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elsif ($action eq "set") {
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die $usage unless @ARGV;
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$name = shift;
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$value = shift if @ARGV;
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}
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else {
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die "Command '$action' not recognised.\n\n".$usage;
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}
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}
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}
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# If no command was specified, exit...
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if ( not defined($action) ){ die $usage; }
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# Check the config file is present
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if (! -f $config_file) {
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chdir '..' or die;
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# Confirm this is the project root directory and try again
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if ( !(-d 'scripts' && -d 'include' && -d 'library' && -f $config_file) ) {
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die "If no file specified, must be run from the project root or scripts directory.\n";
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}
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}
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# Now read the file and process the contents
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open my $config_read, '<', $config_file or die "read $config_file: $!\n";
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my @config_lines = <$config_read>;
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close $config_read;
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# Add required baremetal symbols to the list that is included.
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if ( $action eq "baremetal" ) {
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@non_excluded = ( @non_excluded, @non_excluded_baremetal );
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}
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my ($exclude_re, $no_exclude_re, $exclude_baremetal_re);
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if ($action eq "realfull") {
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$exclude_re = qr/^$/;
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$no_exclude_re = qr/./;
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} else {
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$exclude_re = join '|', @excluded;
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$no_exclude_re = join '|', @non_excluded;
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}
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if ( $action eq "baremetal" ) {
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$exclude_baremetal_re = join '|', @excluded_baremetal;
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}
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my $config_write = undef;
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if ($action ne "get") {
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open $config_write, '>', $config_file or die "write $config_file: $!\n";
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}
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my $done;
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for my $line (@config_lines) {
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if ($action eq "full" || $action eq "realfull" || $action eq "baremetal" ) {
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if ($line =~ /name SECTION: Module configuration options/) {
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$done = 1;
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}
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if (!$done && $line =~ m!^//\s?#define! &&
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( $line !~ /$exclude_re/ || $line =~ /$no_exclude_re/ ) &&
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( $action ne "baremetal" || ( $line !~ /$exclude_baremetal_re/ ) ) ) {
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$line =~ s!^//\s?!!;
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}
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if (!$done && $line =~ m!^\s?#define! &&
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! ( ( $line !~ /$exclude_re/ || $line =~ /$no_exclude_re/ ) &&
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( $action ne "baremetal" || ( $line !~ /$exclude_baremetal_re/ ) ) ) ) {
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$line =~ s!^!//!;
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}
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} elsif ($action eq "unset") {
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if (!$done && $line =~ /^\s*#define\s*$name\b/) {
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$line = '//' . $line;
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$done = 1;
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}
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} elsif (!$done && $action eq "set") {
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if ($line =~ m!^(?://)?\s*#define\s*$name\b!) {
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$line = "#define $name";
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$line .= " $value" if defined $value && $value ne "";
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$line .= "\n";
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$done = 1;
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}
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} elsif (!$done && $action eq "get") {
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if ($line =~ /^\s*#define\s*$name(?:\s+(.*?))\s*(?:$|\/\*|\/\/)/) {
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$value = $1;
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$done = 1;
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}
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}
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if (defined $config_write) {
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print $config_write $line or die "write $config_file: $!\n";
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}
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}
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# Did the set command work?
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if ($action eq "set" && $force_option && !$done) {
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# If the force option was set, append the symbol to the end of the file
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my $line = "#define $name";
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$line .= " $value" if defined $value && $value ne "";
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$line .= "\n";
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$done = 1;
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print $config_write $line or die "write $config_file: $!\n";
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}
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if (defined $config_write) {
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close $config_write or die "close $config_file: $!\n";
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}
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if ($action eq "get") {
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if ($done) {
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if ($value ne '') {
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print "$value\n";
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}
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exit 0;
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} else {
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# If the symbol was not found, return an error
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exit 1;
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}
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}
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if ($action eq "full" && !$done) {
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die "Configuration section was not found in $config_file\n";
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}
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if ($action ne "full" && $action ne "unset" && !$done) {
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die "A #define for the symbol $name was not found in $config_file\n";
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}
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__END__
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