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/**
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file, with exception of below:
*
* Contributor(s): Peter O'Gorman
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <stdlib.h>
#include "../PIL_dynlib.h"
#if !defined(CHAR_MAX)
#define CHAR_MAX 255
#endif
/*
* XXX, should use mallocN so we can see
* handle's not being released. fixme zr
*/
#ifdef WIN32
#include <string.h>
#include <stdio.h>
#include <windows.h>
struct PILdynlib {
void *handle;
};
PILdynlib *PIL_dynlib_open(char *name) {
void *handle= LoadLibrary(name);
if (handle) {
PILdynlib *lib= malloc(sizeof(*lib));
lib->handle= handle;
return lib;
} else {
return NULL;
}
}
void *PIL_dynlib_find_symbol(PILdynlib* lib, char *symname) {
return GetProcAddress(lib->handle, symname);
}
char *PIL_dynlib_get_error_as_string(PILdynlib* lib) {
int err;
/* if lib is NULL reset the last error code */
err= GetLastError();
if (!lib) SetLastError(ERROR_SUCCESS);
if (err) {
static char buf[1024];
if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
buf,
sizeof(buf),
NULL))
return buf;
}
return NULL;
}
void PIL_dynlib_close(PILdynlib *lib) {
FreeLibrary(lib->handle);
free(lib);
}
#else /* Unix */
#include <dlfcn.h>
struct PILdynlib {
void *handle;
};
PILdynlib *PIL_dynlib_open(char *name) {
void *handle= dlopen(name, RTLD_LAZY);
if (handle) {
PILdynlib *lib= malloc(sizeof(*lib));
lib->handle= handle;
return lib;
} else {
return NULL;
}
}
void *PIL_dynlib_find_symbol(PILdynlib* lib, const char *symname) {
return dlsym(lib->handle, symname);
}
char *PIL_dynlib_get_error_as_string(PILdynlib* lib) {
(void)lib; /* unused */
return dlerror();
}
void PIL_dynlib_close(PILdynlib *lib) {
dlclose(lib->handle);
free(lib);
}
#endif
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