testing/test-cases/dlopen_from-basic.dtest/main.c

   1
   2 // BUILD:  $CC bar.c  -dynamiclib -install_name @rpath/libbar.dylib -o $BUILD_DIR/dir/libbar.dylib
   3 // BUILD:  $CC bar.c  -dynamiclib -install_name @rpath/libbaz.dylib -o $BUILD_DIR/dir/libbaz.dylib
   4 // BUILD:  $CC test.c -dynamiclib -install_name $RUN_DIR/test/libtest.dylib -o $BUILD_DIR/test/libtest.dylib -rpath @loader_path/../dir
   5 // BUILD:  $CC main.c -o $BUILD_DIR/dlopen_from-basic.exe $BUILD_DIR/test/libtest.dylib
   6
   7 // RUN:  ./dlopen_from-basic.exe
   8
   9 #include <stdio.h>
  10 #include <dlfcn_private.h>
  11 #include <stdbool.h>
  12
  13 #include "test_support.h"
  14
  15 /// test dlopen_from() works for both @rpath and @loader_path
  16
  17 extern void test();
  18
  19 int main(int argc, const char* argv[], const char* envp[], const char* apple[])
  20 {
  21     // verify the straight dlopen fails because libtest.dylib sets up the LC_RPATH
  22     void* handle = dlopen("@rpath/libbar.dylib", RTLD_LAZY);
  23     if ( handle != NULL ) {
  24         FAIL("dlopen(\"@rpath/libbar.dylib\") should not have succeeded");
  25     }
  26     // verify dlopen_from() works becuase libtest.dylib sets up an LC_RPATH
  27     handle = dlopen_from("@rpath/libbar.dylib", RTLD_LAZY, &test);
  28     if ( handle == NULL ) {
  29         FAIL("dlopen_from(\"@rpath/libbar.dylib\", &test) failed: %s", dlerror());
  30     }
  31
  32     // verify the straight dlopen fails because main executables @loader_path is used
  33     handle = dlopen("@loader_path/../dir/libbaz.dylib", RTLD_LAZY);
  34     if ( handle != NULL ) {
  35         FAIL("dlopen(\"@loader_path/../dir/libbaz.dylib\") should not have succeeded");
  36     }
  37     // verify dlopen_from() works with @loader_path resolving to where libtest.dylib is
  38     handle = dlopen_from("@loader_path/../dir/libbaz.dylib", RTLD_LAZY, &test);
  39     if ( handle == NULL ) {
  40         FAIL("dlopen_from(\"@loader_path/../dir/libbaz.dylib\", &test) failed: %s", dlerror());
  41     }
  42
  43     PASS("dlopen_from");
  44 }
  45