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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2001-2002 NaN Holding BV. All rights reserved. */
/** \file
* \ingroup bli
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "BLI_dynlib.h"
struct DynamicLibrary {
void *handle;
};
#ifdef WIN32
# define WIN32_LEAN_AND_MEAN
# include "utf_winfunc.h"
# include "utfconv.h"
# include <windows.h>
DynamicLibrary *BLI_dynlib_open(const char *name)
{
DynamicLibrary *lib;
void *handle;
UTF16_ENCODE(name);
handle = LoadLibraryW(name_16);
UTF16_UN_ENCODE(name);
if (!handle) {
return NULL;
}
lib = MEM_callocN(sizeof(*lib), "Dynamic Library");
lib->handle = handle;
return lib;
}
void *BLI_dynlib_find_symbol(DynamicLibrary *lib, const char *symname)
{
return GetProcAddress(lib->handle, symname);
}
char *BLI_dynlib_get_error_as_string(DynamicLibrary *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 BLI_dynlib_close(DynamicLibrary *lib)
{
FreeLibrary(lib->handle);
MEM_freeN(lib);
}
#else /* Unix */
# include <dlfcn.h>
DynamicLibrary *BLI_dynlib_open(const char *name)
{
DynamicLibrary *lib;
void *handle = dlopen(name, RTLD_LAZY);
if (!handle) {
return NULL;
}
lib = MEM_callocN(sizeof(*lib), "Dynamic Library");
lib->handle = handle;
return lib;
}
void *BLI_dynlib_find_symbol(DynamicLibrary *lib, const char *symname)
{
return dlsym(lib->handle, symname);
}
char *BLI_dynlib_get_error_as_string(DynamicLibrary *lib)
{
(void)lib; /* unused */
return dlerror();
}
void BLI_dynlib_close(DynamicLibrary *lib)
{
dlclose(lib->handle);
MEM_freeN(lib);
}
#endif
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