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Make luaL_testudata() compat function visible for all files

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This commit is contained in:
Bruno Silvestre
2017-10-28 09:53:28 -02:00
parent 2f562e1399
commit be3c6d67e0
3 changed files with 26 additions and 22 deletions
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2
src/compat.h
View File

@@ -16,8 +16,10 @@
#if (LUA_VERSION_NUM == 501)
#define luaL_testudata(L, ud, tname) lsec_testudata(L, ud, tname)
#define setfuncs(L, R) luaL_register(L, NULL, R)
#define lua_rawlen(L, i) lua_objlen(L, i)
#ifndef luaL_newlib
#define luaL_newlib(L, R) do { lua_newtable(L); luaL_register(L, NULL, R); } while(0)
#endif

41
src/context.c
View File

@@ -35,28 +35,6 @@ typedef const SSL_METHOD LSEC_SSL_METHOD;
typedef SSL_METHOD LSEC_SSL_METHOD;
#endif
/*-- Compat - Lua 5.1 --------------------------------------------------------*/
#if (LUA_VERSION_NUM == 501)
#define luaL_testudata(L, ud, tname) testudata(L, ud, tname)
static void *testudata (lua_State *L, int ud, const char *tname) {
void *p = lua_touserdata(L, ud);
if (p != NULL) { /* value is a userdata? */
if (lua_getmetatable(L, ud)) { /* does it have a metatable? */
luaL_getmetatable(L, tname); /* get correct metatable */
if (!lua_rawequal(L, -1, -2)) /* not the same? */
p = NULL; /* value is a userdata with wrong metatable */
lua_pop(L, 2); /* remove both metatables */
return p;
}
}
return NULL; /* value is not a userdata with a metatable */
}
#endif
/*--------------------------- Auxiliary Functions ----------------------------*/
/**
@@ -773,6 +751,25 @@ int lsec_getmode(lua_State *L, int idx)
return ctx->mode;
}
/*-- Compat - Lua 5.1 --*/
#if (LUA_VERSION_NUM == 501)
void *lsec_testudata (lua_State *L, int ud, const char *tname) {
void *p = lua_touserdata(L, ud);
if (p != NULL) { /* value is a userdata? */
if (lua_getmetatable(L, ud)) { /* does it have a metatable? */
luaL_getmetatable(L, tname); /* get correct metatable */
if (!lua_rawequal(L, -1, -2)) /* not the same? */
p = NULL; /* value is a userdata with wrong metatable */
lua_pop(L, 2); /* remove both metatables */
return p;
}
}
return NULL; /* value is not a userdata with a metatable */
}
#endif
/*------------------------------ Initialization ------------------------------*/
/**

5
src/context.h
View File

@@ -38,4 +38,9 @@ int lsec_getmode(lua_State *L, int idx);
/* Registre the module. */
LSEC_API int luaopen_ssl_context(lua_State *L);
/* Compat - Lua 5.1 */
#if (LUA_VERSION_NUM == 501)
void *lsec_testudata (lua_State *L, int ud, const char *tname);
#endif
#endif