testing/test-cases/dlopen-DYLD_LIBRARY_PATH.dtest/main.c

   1
   2 // BUILD:  mkdir -p $BUILD_DIR/door1 $BUILD_DIR/door2
   3 // BUILD:  $CC bar.c -dynamiclib -o $BUILD_DIR/door1/libbar.dylib -install_name $RUN_DIR/libbar.dylib -DVALUE=3
   4 // BUILD:  $CC bar.c -dynamiclib -o $BUILD_DIR/door2/libbar.dylib -install_name $RUN_DIR/libbar.dylib -DVALUE=17
   5 // BUILD:  $CC foo.c -dynamiclib -o $BUILD_DIR/door1/libfoo.dylib -install_name $RUN_DIR/libfoo.dylib -DVALUE=10  $BUILD_DIR/door1/libbar.dylib
   6 // BUILD:  $CC foo.c -dynamiclib -o $BUILD_DIR/door2/libfoo.dylib -install_name $RUN_DIR/libfoo.dylib -DVALUE=25  $BUILD_DIR/door2/libbar.dylib
   7 // BUILD:  $CC main.c            -o $BUILD_DIR/dlopen-DYLD_LIBRARY_PATH.exe
   8 // BUILD:  $DYLD_ENV_VARS_ENABLE $BUILD_DIR/dlopen-DYLD_LIBRARY_PATH.exe
   9
  10 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/door1/                  ./dlopen-DYLD_LIBRARY_PATH.exe  13
  11 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/door2                   ./dlopen-DYLD_LIBRARY_PATH.exe  42
  12 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR/door3/:$RUN_DIR/door2/  ./dlopen-DYLD_LIBRARY_PATH.exe  42
  13
  14 #include <stdio.h>
  15 #include <dlfcn.h>
  16 #include <stdlib.h>
  17
  18 // Program dlopen()s libfoo.dylib which was linked against libbar.dylib
  19 // Neither have valid paths and must be found via DYLD_LIBRARY_PATH
  20 // This test direct and indirect loading.
  21
  22 int main(int argc, const char* argv[])
  23 {
  24     const char* env = getenv("DYLD_LIBRARY_PATH");
  25     if ( env == NULL ) {
  26         printf("[BEGIN] dlopen-DYLD_LIBRARY_PATH\n");
  27         printf("[FAIL] dlopen-DYLD_LIBRARY_PATH, env not set\n");
  28                 return 0;
  29     }
  30     const char* valueStr = argv[1];
  31     if ( valueStr == NULL ) {
  32         printf("[BEGIN] dlopen-DYLD_LIBRARY_PATH\n");
  33         printf("[FAIL] dlopen-DYLD_LIBRARY_PATH, arg1 value not set\n");
  34                 return 0;
  35     }
  36     char* end;
  37     long value = strtol(valueStr, &end, 0);
  38
  39     printf("[BEGIN] dlopen-DYLD_LIBRARY_PATH %s\n", env);
  40
  41         void* handle = dlopen("/bogus/libfoo.dylib", RTLD_LAZY);
  42         if ( handle == NULL ) {
  43         printf("dlerror(): %s\n", dlerror());
  44         printf("[FAIL] dlopen-DYLD_LIBRARY_PATH %s\n", env);
  45                 return 0;
  46         }
  47
  48     typedef int (*FooProc)();
  49
  50         FooProc sym = (FooProc)dlsym(handle, "foo");
  51         if ( sym == NULL ) {
  52         printf("dlerror(): %s\n", dlerror());
  53         printf("[FAIL] dlopen-DYLD_LIBRARY_PATH %s\n", env);
  54                 return 0;
  55         }
  56
  57     int result = (*sym)();
  58     if ( result != value ) {
  59         printf("result=%d, expected %ld (str=%s)\n", result, value, valueStr);
  60         printf("[FAIL] dlopen-DYLD_LIBRARY_PATH %s\n", env);
  61                 return 0;
  62         }
  63
  64         int r = dlclose(handle);
  65         if ( r != 0 ) {
  66         printf("dlclose() returned %d\n", r);
  67         printf("[FAIL] dlopen-DYLD_LIBRARY_PATH %s\n", env);
  68                 return 0;
  69         }
  70
  71         void* handle2 = dlopen("/junk/libfoo.dylib", RTLD_LAZY);
  72         if ( handle2 == NULL ) {
  73         printf("dlerror(): %s\n", dlerror());
  74         printf("[FAIL] dlopen-DYLD_LIBRARY_PATH %s\n", env);
  75                 return 0;
  76         }
  77
  78
  79
  80     printf("[PASS] dlopen-DYLD_LIBRARY_PATH %s\n", env);
  81
  82         return 0;
  83 }
  84