97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/***********************************************************************
|
|
* Copyright (c) 2009, Secure Endpoints Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
**********************************************************************/
|
|
|
|
#include <windows.h>
|
|
#include <dlfcn.h>
|
|
#include <strsafe.h>
|
|
|
|
#define ERR_STR_LEN 256
|
|
|
|
__declspec(thread) static char err_str[ERR_STR_LEN];
|
|
|
|
static void set_error(const char * e) {
|
|
StringCbCopy(err_str, sizeof(err_str), e);
|
|
}
|
|
|
|
static void set_error_from_last(void) {
|
|
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM,
|
|
0, GetLastError(), 0,
|
|
err_str, sizeof(err_str)/sizeof(err_str[0]),
|
|
NULL);
|
|
}
|
|
|
|
ROKEN_LIB_FUNCTION int ROKEN_LIB_CALL
|
|
dlclose(void * vhm)
|
|
{
|
|
BOOL brv;
|
|
|
|
brv = FreeLibrary((HMODULE) vhm);
|
|
if (!brv) {
|
|
set_error_from_last();
|
|
}
|
|
return !brv;
|
|
}
|
|
|
|
ROKEN_LIB_FUNCTION char * ROKEN_LIB_CALL
|
|
dlerror(void)
|
|
{
|
|
return err_str;
|
|
}
|
|
|
|
ROKEN_LIB_FUNCTION void * ROKEN_LIB_CALL
|
|
dlopen(const char *fn, int flags)
|
|
{
|
|
HMODULE hm;
|
|
|
|
/* We don't support dlopen(0, ...) on Windows.*/
|
|
if ( fn == NULL ) {
|
|
set_error("Not implemented");
|
|
return NULL;
|
|
}
|
|
|
|
hm = LoadLibrary(fn);
|
|
|
|
if (hm == NULL) {
|
|
set_error_from_last();
|
|
}
|
|
|
|
return (void *) hm;
|
|
}
|
|
|
|
ROKEN_LIB_FUNCTION DLSYM_RET_TYPE ROKEN_LIB_CALL
|
|
dlsym(void * vhm, const char * func_name)
|
|
{
|
|
HMODULE hm = (HMODULE) vhm;
|
|
|
|
return GetProcAddress(hm, func_name);
|
|
}
|
|
|