BizHawk/libmupen64plus/mupen64plus-rsp-hle/src/osal_dynamiclib_unix.c

72 lines
2.8 KiB
C

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Mupen64plus-ui-console - osal_dynamiclib_unix.c *
* Mupen64Plus homepage: https://mupen64plus.org/ *
* Copyright (C) 2009 Richard Goedeken *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "m64p_types.h"
#include "hle_external.h"
#include "osal_dynamiclib.h"
m64p_error osal_dynlib_open(m64p_dynlib_handle *pLibHandle, const char *pccLibraryPath)
{
if (pLibHandle == NULL || pccLibraryPath == NULL)
return M64ERR_INPUT_ASSERT;
*pLibHandle = dlopen(pccLibraryPath, RTLD_NOW);
if (*pLibHandle == NULL)
{
/* only print an error message if there is a directory separator (/) in the pathname */
/* this prevents us from throwing an error for the use case where Mupen64Plus is not installed */
if (strchr(pccLibraryPath, '/') != NULL)
HleErrorMessage(NULL, "dlopen('%s') failed: %s", pccLibraryPath, dlerror());
return M64ERR_INPUT_NOT_FOUND;
}
return M64ERR_SUCCESS;
}
void * osal_dynlib_getproc(m64p_dynlib_handle LibHandle, const char *pccProcedureName)
{
if (pccProcedureName == NULL)
return NULL;
return dlsym(LibHandle, pccProcedureName);
}
m64p_error osal_dynlib_close(m64p_dynlib_handle LibHandle)
{
int rval = dlclose(LibHandle);
if (rval != 0)
{
HleErrorMessage(NULL, "dlclose() failed: %s", dlerror());
return M64ERR_INTERNAL;
}
return M64ERR_SUCCESS;
}