Atlas/lib/crc32-lua.c at master · JavaDevelopRep/Atlas · GitHub

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/* $%BEGINLICENSE%$

$%ENDLICENSE%$ */

#include <lua.h>

#include <glib.h>

#include "lua-env.h"

#include "crc32.h"

#include "glib-ext.h"

int crc32_string(lua_State *L) {

size_t str_len;

const char *str = luaL_checklstring(L, 1, &str_len);

g_debug("string:%s, length:%d", str, str_len);

// crc32 hash

unsigned int key = crc32(str, str_len);

g_debug("crc key:%ld", key);

// push crc number

lua_pushnumber(L, key);

return 1;

}

** Assumes the table is on top of the stack.

static void set_info (lua_State *L) {

lua_pushliteral (L, "_COPYRIGHT");

lua_settable (L, -3);

lua_pushliteral (L, "_DESCRIPTION");

lua_pushliteral (L, "CRC32 String for Proxy.*");

lua_settable (L, -3);

lua_pushliteral (L, "_VERSION");

lua_pushliteral (L, "LuaCRC32string 0.1");

lua_settable (L, -3);

}

static const struct luaL_reg crc32_m[] = {

{"crc32", crc32_string},

{NULL, NULL},

};

#if defined(_WIN32)

# define LUAEXT_API __declspec(dllexport)

#else

# define LUAEXT_API extern

#endif

LUAEXT_API int luaopen_crc32_string(lua_State *L) {

luaL_register (L, "crc32", crc32_m);

set_info (L);

return 1;

}

Atlas/lib/crc32-lua.c at master · JavaDevelopRep/Atlas · GitHub

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