dlfcn/bug-dlsym1.c

   1 /* Test case for bug in dlsym accessing dependency objects' symbols.  */
   2
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5 #include <unistd.h>
   6 #include <dlfcn.h>
   7
   8 int main(void)
   9 {
  10     void *handle;
  11     char *c;
  12
  13     setenv ("LD_LIBRARY_PATH", "/home/roland/build/tls-libc/dlfcn", 1);
  14
  15     /* open lib1.so, which has the unresolved test symbol and a DT_NEEDED
  16        on lib2.so, which provides the symbol */
  17     if ((handle = dlopen("bug-dlsym1-lib1.so", RTLD_NOW)) == NULL) {
  18         printf("dlopen(\"bug-dlsym1-lib1.so\"): %s\n", dlerror());
  19         abort();
  20     }
  21
  22     if ((c = dlsym(handle, "dlopen_test_variable")) == NULL) {
  23         printf("dlsym(handle, \"dlopen_test_variable\"): %s\n", dlerror());
  24         abort();
  25     }
  26
  27     (void) dlclose(handle);
  28
  29     return 0;
  30 }