luasocket/src/io.c

46 lines
1.5 KiB
C
Raw Normal View History

/*=========================================================================*\
* Input/Output abstraction
* LuaSocket toolkit
*
* RCS ID: $Id$
\*=========================================================================*/
2003-05-25 03:54:13 +02:00
#include "io.h"
/*=========================================================================*\
* Exported functions
\*=========================================================================*/
/*-------------------------------------------------------------------------*\
* Initializes C structure
\*-------------------------------------------------------------------------*/
2003-05-25 03:54:13 +02:00
void io_init(p_io io, p_send send, p_recv recv, void *ctx)
{
io->send = send;
io->recv = recv;
io->ctx = ctx;
}
/*-------------------------------------------------------------------------*\
* Translate error codes to Lua
\*-------------------------------------------------------------------------*/
const char *io_strerror(int code)
{
switch (code) {
case IO_DONE: return NULL;
case IO_TIMEOUT: return "timeout";
case IO_RETRY: return "retry";
case IO_CLOSED: return "closed";
case IO_REFUSED: return "refused";
default: return "unknown error";
}
}
/*-------------------------------------------------------------------------*\
* Translate error codes to Lua
\*-------------------------------------------------------------------------*/
void io_pusherror(lua_State *L, int code)
{
const char *err = io_strerror(code);
if (err) lua_pushstring(L, err);
else lua_pushnil(L);
}