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# Copyright 2012 Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the name of Google Inc. nor the names of its contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Dumps a file to the test's stdout for debugging purposes.
dump_file() {
local file="${1}"; shift
echo "==== BEGIN ${file}"
cat "${file}"
echo "==== END ${file}"
}
# Creates a C source file with a single symbol in it.
#
# The file parameter specifies the path to the file to create, WITHOUT the
# C extension. Both a source file and a header file are created. Any
# intermediate directories are created too.
#
# The symbol parameter specifies the name of the symbol to place in the
# module, which is defined as a string holding the name of the module.
create_c_module() {
local file="${1}"; shift
local symbol="${1}"; shift
mkdir -p "$(dirname ${file})"
echo "extern const char *${symbol};" >"${file}.h"
echo "const char *${symbol} = \"${file}\";" >"${file}.c"
dump_file "${file}.h"
dump_file "${file}.c"
}
# Creates a main C source file that references a set of modules.
#
# The modules to be referenced should have been created with
# create_c_module. The generated source file ensures that all the modules
# are referenced in some way, which helps in testing that the generated
# binary holds all the necessary objects.
#
# The file parameter specifies the name of the file to create.
#
# The rest of the parameters are module:symbol pairs that specify the
# module to include and the symbol within them to reference.
create_main_using_modules() {
local file="${1}"; shift
local modules=
local symbols=
for spec in "${@}"; do
modules="${modules} $(echo ${spec} | cut -d : -f 1)"
symbols="${symbols} $(echo ${spec} | cut -d : -f 2)"
done
echo '#include <stdio.h>' >"${file}"
for module in ${modules}; do
echo "#include \"${module}\"" >>"${file}"
done
echo 'int main(void) {' >>"${file}"
for symbol in ${symbols}; do
echo "printf(\"%s\n\", ${symbol});" >>"${file}"
done
echo 'return 0; }' >>"${file}"
dump_file "${file}"
}
# Creates a mk.conf file and points MAKECONF to it.
#
# The first argument specifies the name of the configuration file to
# create.
#
# The rest of the arguments include a collection of modifiers for the
# generated configuration file and/or a collection of explicit variable
# names and their values to set.
#
# The qualifiers can be one of:
# - owngrp: Override the *OWN and *GRP variables to point to the current
# user.
create_make_conf() {
local file="${1}"; shift
echo "# Test configuration file" >"${file}"
for arg in "${@}"; do
case "${arg}" in
*=*)
echo "${arg}" >>"${file}"
;;
owngrp)
for class in BIN DOC LIB LINKS MAN; do
echo "${class}OWN=$(id -un)" >>"${file}"
echo "${class}GRP=$(id -gn)" >>"${file}"
done
;;
esac
done
case "${file}" in
/*)
MAKECONF="${file}"; export MAKECONF
;;
*)
MAKECONF="$(pwd)/${file}"; export MAKECONF
;;
esac
dump_file "${file}"
}
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