rename

[libc-test] / src / functional / dlopen.c

diff --git a/src/functional/dlopen.c b/src/functional/dlopen.c
new file mode 100644 (file)
index 0000000..3150f6f
--- /dev/null
+++ b/src/functional/dlopen.c
@@ -0,0 +1,47 @@
+#include <dlfcn.h>
+#include "test.h"
+
+int main()
+{
+       void *h, *g;
+       int *i, *i2;
+       char *s;
+       void (*f)(void);
+
+       h = dlopen("./dlopen_dso.so", RTLD_LAZY|RTLD_LOCAL);
+       if (!h)
+               error("dlopen ./dlopen_dso.so failed: %s\n", dlerror());
+       i = dlsym(h, "i");
+       if (!i)
+               error("dlsym i failed: %s\n", dlerror());
+       if (*i != 1)
+               error("initialization failed: want i=1 got i=%d\n", *i);
+       f = (void (*)(void))dlsym(h, "f");
+       if (!f)
+               error("dlsym f failed: %s\n", dlerror());
+       f();
+       if (*i != 2)
+               error("f call failed: want i=2 got i=%d\n", *i);
+       if (dlclose(h))
+               error("dlclose failed: %s\n", dlerror());
+
+       g = dlopen(0, RTLD_LAZY|RTLD_LOCAL);
+       if (!g)
+               error("dlopen 0 failed: %s\n", dlerror());
+       i2 = dlsym(g, "i");
+       s = dlerror();
+       if (i2 || s == 0)
+               error("dlsym i should have failed\n");
+       if (dlsym(g, "main") == 0)
+               error("dlsym main failed: %s\n", dlerror());
+
+       h = dlopen("./dlopen_dso.so", RTLD_LAZY|RTLD_GLOBAL);
+       i2 = dlsym(g, "i");
+       if (!i2)
+               error("dlsym i failed: %s\n", dlerror());
+       if (*i2 != 2)
+               error("want i2=2, got i2=%d\n", *i2);
+       if (dlclose(g))
+               error("dlclose failed: %s\n", dlerror());
+       return test_status;
+}