Mercurial > sdl-ios-xcode
view src/SDL_error_c.h @ 865:92615154bb68
Date: Sun, 29 Feb 2004 15:14:22 +0200
From: Martin_Storsj
Subject: Dynamic loading of ALSA
I recently discovered that SDL can dynamically load ESD and aRts, and
made a patch which adds this same functionality to ALSA.
The update for configure.in isn't too good (it should e.g. look for
libasound.so in other directories than /usr/lib), because I'm not too
good at shellscripting and autoconf.
The reason for using dlfcn.h and dlopen instead of SDL_LoadLibrary and
SDL_LoadFunction is that libasound uses versioned symbols, and it is
necessary to load the correct version using dlvsym. This isn't probably
any real portability issue, because ALSA is linux-only.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 02 Mar 2004 12:49:16 +0000 |
parents | b8d311d90021 |
children | 04a403e4ccf5 |
line wrap: on
line source
/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif /* This file defines a structure that carries language-independent error messages */ #ifndef _SDL_error_c_h #define _SDL_error_c_h #define ERR_MAX_STRLEN 128 #define ERR_MAX_ARGS 5 typedef struct { /* This is a numeric value corresponding to the current error */ int error; /* This is a key used to index into a language hashtable containing internationalized versions of the SDL error messages. If the key is not in the hashtable, or no hashtable is available, the key is used directly as an error message format string. */ unsigned char key[ERR_MAX_STRLEN]; /* These are the arguments for the error functions */ int argc; union { void *value_ptr; #if 0 /* What is a character anyway? (UNICODE issues) */ unsigned char value_c; #endif int value_i; double value_f; unsigned char buf[ERR_MAX_STRLEN]; } args[ERR_MAX_ARGS]; } SDL_error; #endif /* _SDL_error_c_h */