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Fixed bug 3478 - Patch Haiku to use dlopen instead of load_add_on

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Kai Sterker

SDL2 on Haiku so far uses Haiku-specific APIs for loading dynamic objects as add-ons, instead of using dlopen to load them as libraries. This, for example, leads to SDL_mixer not being able to load its audio backends, when compiled with standard settings.

As discussed at https://www.freelists.org/post/haikuports/SDL2-mixer-ogg-music-not-playing-and-other-stuff,2 , the best way to deal with this would be using dlopen instead of load_add_on. The following patch implements this change by dropping the Haiku-specific bits and using dlopen instead.
This commit is contained in:
Sam Lantinga
2016-11-01 10:30:46 -07:00
parent 98d188f5de
commit 9a8642bd6a
6 changed files with 3 additions and 102 deletions
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71
src/loadso/haiku/SDL_sysloadso.c
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@@ -1,71 +0,0 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#ifdef SDL_LOADSO_HAIKU
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* System dependent library loading routines */
#include <stdio.h>
#include <os/kernel/image.h>
#include "SDL_loadso.h"
void *
SDL_LoadObject(const char *sofile)
{
void *handle = NULL;
image_id library_id = load_add_on(sofile);
if (library_id < 0) {
SDL_SetError(strerror((int) library_id));
} else {
handle = (void *) (library_id);
}
return (handle);
}
void *
SDL_LoadFunction(void *handle, const char *name)
{
void *sym = NULL;
image_id library_id = (image_id) handle;
status_t rc =
get_image_symbol(library_id, name, B_SYMBOL_TYPE_TEXT, &sym);
if (rc != B_NO_ERROR) {
SDL_SetError(strerror(rc));
}
return (sym);
}
void
SDL_UnloadObject(void *handle)
{
image_id library_id;
if (handle != NULL) {
library_id = (image_id) handle;
unload_add_on(library_id);
}
}
#endif /* SDL_LOADSO_HAIKU */
/* vi: set ts=4 sw=4 expandtab: */