mirror of
https://github.com/libretro/RetroArch
synced 2024-07-08 12:15:49 +00:00
114 lines
2.2 KiB
C
114 lines
2.2 KiB
C
#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <stdlib.h>
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#include <lua.h>
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#include <lualib.h>
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#include <lauxlib.h>
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#include "libretrodb.h"
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#include "lua_common.h"
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int master_key = 1;
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const char * LUA_COMMON = " \
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function binary(s) if s ~= nil then return {binary = s} else return nil end end \
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function uint(s) if s ~= nil then return {uint = s} else return nil end end \
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";
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static int call_init(lua_State * L, int argc, const char ** argv)
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{
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int rv = -1;
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int i;
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lua_getglobal(L, "init");
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for (i = 0; i < argc; i++)
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lua_pushstring(L, argv[i]);
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if (lua_pcall(L, argc, 0, 0) != 0)
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{
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printf(
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"error running function `init': %s\n",
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lua_tostring(L, -1)
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);
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}
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return rv;
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}
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static int value_provider(void * ctx, struct rmsgpack_dom_value *out)
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{
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int rv;
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lua_State * L = ctx;
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lua_getglobal(L, "get_value");
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if (lua_pcall(L, 0, 1, 0) != 0)
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{
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printf(
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"error running function `get_value': %s\n",
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lua_tostring(L, -1)
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);
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}
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if (lua_isnil(L, -1))
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rv = 1;
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else if (lua_istable(L, -1))
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rv = libretrodb_lua_to_rmsgpack_value(L, -1, out);
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else
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printf("function `get_value' must return a table or nil\n");
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lua_pop(L, 1);
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return rv;
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}
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int main(int argc, char ** argv)
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{
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const char * db_file;
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const char * lua_file;
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int dst = -1;
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int rv = 0;
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if (argc < 3)
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{
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printf("usage:\n%s <db file> <lua file> [args ...]\n", argv[0]);
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return 1;
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}
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db_file = argv[1];
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lua_file = argv[2];
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lua_State * L = luaL_newstate();
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luaL_openlibs(L);
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luaL_dostring(L, LUA_COMMON);
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if (luaL_dofile(L, lua_file) != 0)
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return 1;
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call_init(L, argc - 2, (const char **) argv + 2);
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dst = open(db_file, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
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if (dst == -1)
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{
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printf(
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"Could not open destination file '%s': %s\n",
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db_file,
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strerror(errno)
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);
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rv = errno;
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goto clean;
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}
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rv = libretrodb_create(dst, &value_provider, L);
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clean:
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lua_close(L);
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if (dst != -1)
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close(dst);
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return rv;
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}
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