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/*
* Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <string.h>
#include <stdlib.h> /* For NULL */
#include <openssl/macros.h> /* For NON_EMPTY_TRANSLATION_UNIT */
#include <openssl/e_os2.h>
#include "simpledynamic.h"
#if defined(DSO_DLFCN) || defined(DSO_VMS)
int sd_load(const char *filename, SD *lib, int type)
{
int dl_flags = type;
#ifdef _AIX
if (filename[strlen(filename) - 1] == ')')
dl_flags |= RTLD_MEMBER;
#endif
*lib = dlopen(filename, dl_flags);
return *lib == NULL ? 0 : 1;
}
int sd_sym(SD lib, const char *symname, SD_SYM *sym)
{
*sym = dlsym(lib, symname);
return *sym != NULL;
}
int sd_close(SD lib)
{
return dlclose(lib) != 0 ? 0 : 1;
}
const char *sd_error(void)
{
return dlerror();
}
#elif defined(DSO_WIN32)
int sd_load(const char *filename, SD *lib, ossl_unused int type)
{
*lib = LoadLibraryA(filename);
return *lib == NULL ? 0 : 1;
}
int sd_sym(SD lib, const char *symname, SD_SYM *sym)
{
*sym = (SD_SYM)GetProcAddress(lib, symname);
return *sym != NULL;
}
int sd_close(SD lib)
{
return FreeLibrary(lib) == 0 ? 0 : 1;
}
const char *sd_error(void)
{
static char buffer[255];
buffer[0] = '\0';
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0,
buffer, sizeof(buffer), NULL);
return buffer;
}
#else
NON_EMPTY_TRANSLATION_UNIT
#endif
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