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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "uv.h"
#include "internal.h"
__declspec( thread ) DWORD saved_errno = 0;
uv_err_t uv_dlopen(const char* filename, uv_lib_t* library) {
wchar_t filename_w[32768];
HMODULE handle;
if (!uv_utf8_to_utf16(filename,
filename_w,
sizeof(filename_w) / sizeof(wchar_t))) {
saved_errno = GetLastError();
return uv__new_sys_error(saved_errno);
}
handle = LoadLibraryExW(filename_w, NULL, LOAD_WITH_ALTERED_SEARCH_PATH);
if (handle == NULL) {
saved_errno = GetLastError();
return uv__new_sys_error(saved_errno);
}
*library = handle;
return uv_ok_;
}
uv_err_t uv_dlclose(uv_lib_t library) {
if (!FreeLibrary(library)) {
saved_errno = GetLastError();
return uv__new_sys_error(saved_errno);
}
return uv_ok_;
}
uv_err_t uv_dlsym(uv_lib_t library, const char* name, void** ptr) {
FARPROC proc = GetProcAddress(library, name);
if (proc == NULL) {
saved_errno = GetLastError();
return uv__new_sys_error(saved_errno);
}
*ptr = (void*) proc;
return uv_ok_;
}
const char *uv_dlerror(uv_lib_t library) {
char* buf = NULL;
FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS, NULL, saved_errno,
MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), (LPSTR)&buf, 0, NULL);
return buf;
}
void uv_dlerror_free(uv_lib_t library, const char *msg) {
LocalFree((LPVOID)msg);
}
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