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lua: support for lua 5.2

cute-signatures
Natanael Copa 2013-06-13 14:21:01 +00:00
parent 860aa642f0
commit f292a85867
1 changed files with 32 additions and 15 deletions
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47
src/lua-apk.c
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@ -12,6 +12,10 @@
#define APK_DB_META "apk_database"
#define APK_IPKG_META "apk_installed_package"
#if LUA_VERSION_NUM < 502
# define luaL_newlib(L,l) (lua_newtable(L), luaL_register(L,NULL,l))
#endif
struct flagmap {
const char *name;
int flag;
@ -33,6 +37,15 @@ struct flagmap opendb_flagmap[] = {
{NULL, 0}
};
/* implemented as luaL_typerror until lua 5.1, dropped in 5.2
* (C) 1994-2012 Lua.org, PUC-Rio. MIT license
*/
static int typerror (lua_State *L, int narg, const char *tname) {
const char *msg = lua_pushfstring(L, "%s expected, got %s",
tname, luaL_typename(L, narg));
return luaL_argerror(L, narg, msg);
}
static apk_blob_t check_blob(lua_State *L, int index)
{
apk_blob_t blob;
@ -137,7 +150,7 @@ static struct apk_database *checkdb(lua_State *L, int index)
luaL_checktype(L, index, LUA_TUSERDATA);
db = (struct apk_database *) luaL_checkudata(L, index, APK_DB_META);
if (db == NULL)
luaL_typerror(L, index, APK_DB_META);
typerror(L, index, APK_DB_META);
return db;
}
@ -258,7 +271,7 @@ static int Pinstalled(lua_State *L)
return 1;
}
static const luaL_reg reg_apk_methods[] = {
static const luaL_Reg reg_apk_methods[] = {
{"version_validate", Pversion_validate},
{"version_compare", Pversion_compare},
{"version_is_less", Pversion_is_less},
@ -270,29 +283,33 @@ static const luaL_reg reg_apk_methods[] = {
{NULL, NULL}
};
static const luaL_reg reg_apk_db_meta_methods[] = {
static const luaL_Reg reg_apk_db_meta_methods[] = {
{"__gc", Papk_db_close},
{NULL, NULL}
};
static int db_create_meta(lua_State *L)
{
luaL_newmetatable(L, APK_DB_META);
lua_newtable(L);
lua_setfield(L, -2, "__index");
lua_pushcfunction(L, Papk_db_close);
lua_setfield(L, -2, "__gc");
return 1;
}
LUALIB_API int luaopen_apk(lua_State *L)
{
luaL_register(L, LIBNAME, reg_apk_methods);
db_create_meta(L);
luaL_newlib(L, reg_apk_methods);
lua_pushvalue(L, -1);
lua_setglobal(L, LIBNAME);
lua_pushliteral(L, "version");
lua_pushliteral(L, APK_VERSION);
lua_settable(L, -3);
luaL_newmetatable(L, APK_DB_META);
luaL_register(L, NULL, reg_apk_db_meta_methods);
lua_pushliteral(L, "__index");
lua_pushvalue(L, -3);
lua_rawset(L, -3);
lua_pushliteral(L, "__metatable");
lua_pushvalue(L, -3);
lua_rawset(L, -3);
lua_pop(L, 1);
return 1;
}