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

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