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#include <dlfcn.h>
#include <stdio.h>
#include <mcheck.h>
int
main (void)
{
int result = 0;
void *p;
mtrace ();
/* First try to load an object which is a dependency. This should
succeed. */
p = dlopen ("testobj1.so", RTLD_LAZY | RTLD_NOLOAD);
if (p == NULL)
{
printf ("cannot open \"testobj1.so\": %s\n", dlerror ());
result = 1;
}
else
{
puts ("loading \"testobj1.so\" succeeded, OK");
dlclose (p);
}
/* Now try loading an object which is not already loaded. */
if (dlopen ("testobj5.so", RTLD_LAZY | RTLD_NOLOAD) != NULL)
{
puts ("succeeded in loading \"testobj5.so\"");
result = 1;
}
else
{
/* Load the object and run the same test again. */
puts ("\"testobj5.so\" wasn't loaded and RTLD_NOLOAD prevented it, OK");
p = dlopen ("testobj5.so", RTLD_LAZY);
if (p == NULL)
{
printf ("cannot open \"testobj5.so\" without RTLD_NOLOAD: %s\n",
dlerror ());
result = 1;
}
else
{
puts ("loading \"testobj5.so\" succeeded, OK");
void *q = dlopen ("testobj5.so", RTLD_LAZY | RTLD_NOLOAD);
if (q == NULL)
{
printf ("cannot open \"testobj5.so\": %s\n", dlerror ());
result = 1;
}
else
{
puts ("loading \"testobj5.so\" with RTLD_NOLOAD succeeded, OK");
dlclose (q);
}
if (dlclose (p) != 0)
{
printf ("cannot close \"testobj5.so\": %s\n", dlerror ());
result = 1;
}
else
puts ("closing \"testobj5.so\" succeeded, OK");
}
}
return result;
}
extern int foo (int a);
int
foo (int a)
{
return 42 + a;
}
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