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FFI: Save GetLastError() around ffi.load() and symbol resolving, too.

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This commit is contained in:
Mike Pall 2011-11-15 16:37:06 +01:00
parent 8437d0c48d
commit d4df8d7825
1 changed files with 4 additions and 0 deletions
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4
src/lj_clib.c
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@ -169,7 +169,9 @@ static const char *clib_extname(lua_State *L, const char *name)
static void *clib_loadlib(lua_State *L, const char *name, int global)
{
DWORD oldwerr = GetLastError();
void *h = (void *)LoadLibraryA(clib_extname(L, name));
SetLastError(oldwerr);
if (!h) clib_error(L, "cannot load module " LUA_QS ": %s", name);
UNUSED(global);
return h;
@ -194,6 +196,7 @@ static void clib_unloadlib(CLibrary *cl)
static void *clib_getsym(CLibrary *cl, const char *name)
{
void *p = NULL;
DWORD oldwerr = GetLastError();
if (cl->handle == CLIB_DEFHANDLE) { /* Search default libraries. */
MSize i;
for (i = 0; i < CLIB_HANDLE_MAX; i++) {
@ -222,6 +225,7 @@ static void *clib_getsym(CLibrary *cl, const char *name)
} else {
p = (void *)GetProcAddress((HINSTANCE)cl->handle, name);
}
SetLastError(oldwerr);
return p;
}