dlopen_test.c #dlopen

dlopen_test.c

/*!
 * clang -Wall -Wextra -o dlopen_test.out dlopen_test.c -ldl
 * Usage:
 * ./dlopen_test.out ./libOpenCvSharpExtern.dylib
 * DYLD_PRINT_LIBRARIES=1 ./dlopen_test.out ./libOpenCvSharpExtern.dylib
 * 
 * linux:
 * LD_DEBUG=libs ./binary_name
 */

#include <assert.h>
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv) {
  void *handle;
  char *error;

  printf("dlopen sample");

  if (argc != 2) {
    fprintf(stderr, "Usage: %s {dylib_path}\n", argv[0]);
    return EXIT_FAILURE;
  }

  handle = dlopen(argv[1], RTLD_LAZY);
  if (!handle) {
    fprintf(stderr, "%s\n", dlerror());
    exit(EXIT_FAILURE);
  }

  dlclose(handle);

  return EXIT_SUCCESS;
}