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path: root/deps/uv/src/unix/dl.c
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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"

#include <dlfcn.h>
#include <errno.h>


static const uv_err_t uv_ok_ = { UV_OK, 0 };

uv_err_t uv_dlopen(const char* filename, uv_lib_t* library) {
  void* handle = dlopen(filename, RTLD_LAZY);
  if (handle == NULL) {
    return uv__new_sys_error(errno);
  }

  *library = handle;
  return uv_ok_;
}


uv_err_t uv_dlclose(uv_lib_t library) {
  if (dlclose(library) != 0) {
    return uv__new_sys_error(errno);
  }

  return uv_ok_;
}


uv_err_t uv_dlsym(uv_lib_t library, const char* name, void** ptr) {
  void* address = dlsym(library, name);
  if (address == NULL) {
    return uv__new_sys_error(errno);
  }

  *ptr = (void*) address;
  return uv_ok_;
}