Merge pull request #126 from freifunk-gluon/libplatforminfo

libplatforminfo
This commit is contained in:
Matthias Schiffer 2016-01-11 16:37:11 +01:00
commit 0425aecbec
32 changed files with 520 additions and 406 deletions

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include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/target.mk
PKG_NAME:=libplatforminfo
PKG_VERSION:=1
CMAKE_INSTALL:=1
PKG_LICENSE:=BSD-2-Clause
PKG_BUILD_DIR := $(KERNEL_BUILD_DIR)/$(PKG_NAME)
include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/cmake.mk
define Package/libplatforminfo
SECTION:=libs
CATEGORY:=Libraries
TITLE:=Platform information library
DEPENDS:=@(TARGET_ar71xx_generic||TARGET_ar71xx_nand||TARGET_mpc85xx_generic||TARGET_x86_generic||TARGET_x86_kvm_guest||TARGET_x86_64||TARGET_x86_xen_domu||TARGET_ramips_rt305x||TARGET_brcm2708_bcm2708||TARGET_brcm2708_bcm2709||TARGET_sunxi)
endef
CMAKE_OPTIONS += \
-DCMAKE_BUILD_TYPE:String="MINSIZEREL" \
-DTARGET:STRING="$(BOARD)" \
-DSUBTARGET:STRING="$(SUBTARGET)"
define Build/Prepare
mkdir -p $(PKG_BUILD_DIR)
$(CP) ./src/* $(PKG_BUILD_DIR)/
endef
define Package/libplatforminfo/install
$(INSTALL_DIR) $(1)/usr/lib
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/lib/libplatforminfo.so $(1)/usr/lib/
endef
$(eval $(call BuildPackage,libplatforminfo))

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cmake_minimum_required(VERSION 2.6)
project(LIBPLATFORMINFO C)
set(LIBDIR "lib${LIB_SUFFIX}")
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
set(TARGET "" CACHE STRING "OpenWrt target")
set(SUBTARGET "" CACHE STRING "OpenWrt subtarget")
add_definitions(-DTARGET=${TARGET})
if(SUBTARGET)
set(FULL_TARGET "${TARGET}-${SUBTARGET}")
add_definitions(-DSUBTARGET=${SUBTARGET} -DTARGET_${TARGET}_${SUBTARGET})
else(SUBTARGET)
set(FULL_TARGET "${TARGET}")
add_definitions(-DTARGET_${TARGET})
endif(SUBTARGET)
add_library(platforminfo SHARED
common.c
targets/${FULL_TARGET}.c
)
set_target_properties(platforminfo PROPERTIES
COMPILE_FLAGS "-Wall -std=c99 -D_GNU_SOURCE"
)
install(TARGETS platforminfo
ARCHIVE DESTINATION ${LIBDIR}
LIBRARY DESTINATION ${LIBDIR}
)
install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/include/libplatforminfo.h DESTINATION include)

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/*
Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. 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.
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 HOLDER 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.
*/
#include <libplatforminfo.h>
#include <stddef.h>
#define _STRINGIFY(s) #s
#define STRINGIFY(s) _STRINGIFY(s)
const char * platforminfo_get_target(void) {
return STRINGIFY(TARGET);
}
const char * platforminfo_get_subtarget(void) {
#ifdef SUBTARGET
return STRINGIFY(SUBTARGET);
#else
return NULL;
#endif
}

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/*
Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. 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.
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 HOLDER 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.
*/
#pragma once
#include <ctype.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
__attribute__((unused)) static char * read_line(const char *filename) {
FILE *f = fopen(filename, "r");
if (!f)
return NULL;
char *line = NULL;
size_t len = 0;
ssize_t r = getline(&line, &len, f);
fclose(f);
if (r >= 0) {
len = strlen(line);
if (len && line[len-1] == '\n')
line[len-1] = 0;
}
else {
free(line);
line = NULL;
}
return line;
}
__attribute__((unused)) static void sanitize_image_name(char **outp, char *in) {
char *out = malloc(strlen(in) + 1);
*outp = out;
bool dot = false, dash = false;
for (; *in; in++) {
if (*in == '.') {
dot = true;
continue;
}
if (*in != '+' && !isalnum(*in)) {
dash = true;
continue;
}
if (dash)
*out++ = '-';
else if (dot)
*out++ = '.';
dash = false;
dot = false;
*out++ = tolower(*in);
}
*out = 0;
}

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/*
Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. 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.
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 HOLDER 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.
*/
#ifndef _LIBPLATFORMINFO_H_
#define _LIBPLATFORMINFO_H_
const char * platforminfo_get_target(void);
const char * platforminfo_get_subtarget(void);
const char * platforminfo_get_board_name(void);
const char * platforminfo_get_model(void);
const char * platforminfo_get_image_name(void);
#endif /* _LIBPLATFORMINFO_H_ */

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template/default.c

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template/default.c

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template/default.c

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template/default.c

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template/default.c

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template/default.c

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template/default.c

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/*
Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. 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.
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 HOLDER 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.
*/
#include <libplatforminfo.h>
#include "../common.h"
static char * board_name = NULL;
static char * model = NULL;
static char * image_name = NULL;
__attribute__((constructor)) static void init(void) {
board_name = read_line("/tmp/sysinfo/board_name");
model = read_line("/tmp/sysinfo/model");
sanitize_image_name(&image_name, model);
}
__attribute__((destructor)) static void deinit(void) {
free(board_name);
free(model);
free(image_name);
board_name = NULL;
model = NULL;
image_name = NULL;
}
const char * platforminfo_get_board_name(void) {
return board_name;
}
const char * platforminfo_get_model(void) {
return model;
}
const char * platforminfo_get_image_name(void) {
return image_name;
}

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/*
Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. 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.
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 HOLDER 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.
*/
#include <libplatforminfo.h>
#include "../common.h"
#define _STRINGIFY(s) #s
#define STRINGIFY(s) _STRINGIFY(s)
static char * model = NULL;
__attribute__((constructor)) static void init(void) {
FILE *f = fopen("/proc/cpuinfo", "r");
if (!f)
return;
char *line = NULL;
size_t len = 0;
while (getline(&line, &len, f) >= 0 && !model) {
if (strncmp(line, "model name", 10))
continue;
bool colon = false;
char *p;
for (p = line + 10; *p; p++) {
if (isblank(*p))
continue;
if (!colon) {
if (*p == ':') {
colon = true;
continue;
}
else {
break;
}
}
size_t len = strlen(p);
if (len && p[len-1] == '\n')
p[len-1] = 0;
model = strdup(p);
break;
}
}
free(line);
fclose(f);
}
__attribute__((destructor)) static void deinit(void) {
free(model);
model = NULL;
}
const char * platforminfo_get_board_name(void) {
return NULL;
}
const char * platforminfo_get_model(void) {
return model;
}
const char * platforminfo_get_image_name(void) {
#if defined(TARGET_x86_generic)
return "x86-generic";
#elif defined(TARGET_x86_kvm_guest)
return "x86-kvm";
#elif defined(TARGET_x86_xen_domu)
return "x86-xen";
#elif defined(TARGET_x86_64)
return "x86-64";
#else
#error Unknown x86 subtarget
#endif
}

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template/x86.c

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template/x86.c

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template/x86.c

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template/x86.c

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include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/target.mk
PKG_NAME:=lua-platform-info
PKG_VERSION:=1
@ -12,26 +11,26 @@ define Package/lua-platform-info
SECTION:=libs
CATEGORY:=Libraries
TITLE:=Lua hardware platform information library
DEPENDS:=+lua @(TARGET_ar71xx_generic||TARGET_ar71xx_nand||TARGET_mpc85xx_generic||TARGET_x86_generic||TARGET_x86_kvm_guest||TARGET_x86_64||TARGET_x86_xen_domu||TARGET_ramips_rt305x||TARGET_brcm2708_bcm2708||TARGET_brcm2708_bcm2709||TARGET_sunxi)
endef
define Package/lua-platform-info/description
Lua library to obtain some generic information about the runtime platform
DEPENDS:=+lua +libplatforminfo
endef
define Build/Prepare
mkdir -p $(PKG_BUILD_DIR)
$(CP) ./src/* $(PKG_BUILD_DIR)/
endef
define Build/Configure
endef
define Build/Compile
CFLAGS="$(TARGET_CFLAGS)" \
CPPFLAGS="$(TARGET_CPPFLAGS)" \
$(MAKE) -C $(PKG_BUILD_DIR) $(TARGET_CONFIGURE_OPTS)
endef
define Package/lua-platform-info/install
$(INSTALL_DIR) $(1)/usr/lib/lua
$(INSTALL_DATA) ./files/$(BOARD)$(if $(SUBTARGET),/$(SUBTARGET))/platform_info.lua $(1)/usr/lib/lua/
$(CP) $(PKG_BUILD_DIR)/platform_info.so $(1)/usr/lib/lua/
endef
$(eval $(call BuildPackage,lua-platform-info))

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local function read_line(file)
local f = io.open(file)
local ret = f:read('*line')
f:close()
return ret
end
local board_name = read_line('/tmp/sysinfo/board_name')
local model = read_line('/tmp/sysinfo/model')
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'ar71xx'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return 'generic'
end
-- The board name
function get_board_name()
return board_name
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return (model:lower():gsub('[^%w%.%+]+', '-'):gsub('%.+', '.'):gsub('[%-%.]*%-[%-%.]*', '-'):gsub('%-+$', ''))
end

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local function read_line(file)
local f = io.open(file)
local ret = f:read('*line')
f:close()
return ret
end
local board_name = read_line('/tmp/sysinfo/board_name')
local model = read_line('/tmp/sysinfo/model')
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'ar71xx'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return 'nand'
end
-- The board name
function get_board_name()
return board_name
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return (model:lower():gsub('[^%w%.%+]+', '-'):gsub('%.+', '.'):gsub('[%-%.]*%-[%-%.]*', '-'):gsub('%-+$', ''))
end

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local function read_line(file)
local f = io.open(file)
local ret = f:read('*line')
f:close()
return ret
end
local board_name = read_line('/tmp/sysinfo/board_name')
local model = read_line('/tmp/sysinfo/model')
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'brcm2708'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return 'bcm2708'
end
-- The board name
function get_board_name()
return board_name
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return (model:lower():gsub('[^%w%.%+]+', '-'):gsub('%.+', '.'):gsub('[%-%.]*%-[%-%.]*', '-'):gsub('%-+$', ''))
end

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local function read_line(file)
local f = io.open(file)
local ret = f:read('*line')
f:close()
return ret
end
local board_name = read_line('/tmp/sysinfo/board_name')
local model = read_line('/tmp/sysinfo/model')
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'brcm2708'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return 'bcm2709'
end
-- The board name
function get_board_name()
return board_name
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return (model:lower():gsub('[^%w%.%+]+', '-'):gsub('%.+', '.'):gsub('[%-%.]*%-[%-%.]*', '-'):gsub('%-+$', ''))
end

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local function read_line(file)
local f = io.open(file)
local ret = f:read('*line')
f:close()
return ret
end
local board_name = read_line('/tmp/sysinfo/board_name')
local model = read_line('/tmp/sysinfo/model')
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'mpc85xx'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return 'generic'
end
-- The board name
function get_board_name()
return board_name
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return (model:lower():gsub('[^%w%.%+]+', '-'):gsub('%.+', '.'):gsub('[%-%.]*%-[%-%.]*', '-'):gsub('%-+$', ''))
end

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local f = io.popen('. /lib/functions.sh; . /lib/ramips.sh; ramips_board_detect; echo "$RAMIPS_BOARD_NAME"; echo "$RAMIPS_MODEL"')
local board_name, model = f:read("*a"):match('([^\n]+)\n([^\n]+)')
f:close()
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'ramips'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return 'rt305x'
end
-- The board name
function get_board_name()
return board_name
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return (model:lower():gsub('[^%w]+', '-'):gsub('%-+$', ''))
end

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local function read_line(file)
local f = io.open(file)
local ret = f:read('*line')
f:close()
return ret
end
local board_name = read_line('/tmp/sysinfo/board_name')
local model = read_line('/tmp/sysinfo/model')
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'sunxi'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return nil
end
-- The board name
function get_board_name()
return board_name
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return (model:lower():gsub('[^%w%.%+]+', '-'):gsub('%.+', '.'):gsub('[%-%.]*%-[%-%.]*', '-'):gsub('%-+$', ''))
end

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local model
for line in io.lines('/proc/cpuinfo') do
model = line:match('^model name%s*:%s*(.+)$')
if model then
break
end
end
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'x86'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return '64'
end
-- The board name
function get_board_name()
return nil
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return 'x86-64'
end

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@ -1,36 +0,0 @@
local model
for line in io.lines('/proc/cpuinfo') do
model = line:match('^model name%s*:%s*(.+)$')
if model then
break
end
end
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'x86'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return 'generic'
end
-- The board name
function get_board_name()
return nil
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return 'x86-generic'
end

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local model
for line in io.lines('/proc/cpuinfo') do
model = line:match('^model name%s*:%s*(.+)$')
if model then
break
end
end
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'x86'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return 'kvm_guest'
end
-- The board name
function get_board_name()
return nil
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return 'x86-kvm'
end

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local model
for line in io.lines('/proc/cpuinfo') do
model = line:match('^model name%s*:%s*(.+)$')
if model then
break
end
end
module 'platform_info'
-- The OpenWrt target
function get_target()
return 'x86'
end
-- The OpenWrt subtarget or nil
function get_subtarget()
return 'xen_domu'
end
-- The board name
function get_board_name()
return nil
end
-- The model name
function get_model()
return model
end
-- The image name for sysupgrades
function get_image_name()
return 'x86-xen'
end

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all: platform_info.so
CFLAGS += -Wall
platform_info.so: platform_info.c
$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -shared -fPIC -o $@ $^ $(LDLIBS) -lplatforminfo

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/*
Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. 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.
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 HOLDER 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.
*/
#include <libplatforminfo.h>
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
static int push_string(lua_State *L, const char *value) {
if (value)
lua_pushstring(L, value);
else
lua_pushnil(L);
return 1;
}
static int get_target(lua_State *L) {
return push_string(L, platforminfo_get_target());
}
static int get_subtarget(lua_State *L) {
return push_string(L, platforminfo_get_subtarget());
}
static int get_board_name(lua_State *L) {
return push_string(L, platforminfo_get_board_name());
}
static int get_model(lua_State *L) {
return push_string(L, platforminfo_get_model());
}
static int get_image_name(lua_State *L) {
return push_string(L, platforminfo_get_image_name());
}
static const luaL_reg R[] = {
{"get_target", get_target},
{"get_subtarget", get_subtarget},
{"get_board_name", get_board_name},
{"get_model", get_model},
{"get_image_name", get_image_name},
{NULL, NULL },
};
LUALIB_API int luaopen_platform_info(lua_State *L) {
luaL_register(L, "platform_info", R);
return 1;
}