#include <stdio.h> // fprintf(), NULL
#include <stdlib.h> // exit(), EXIT_SUCCESS
#include <dlfcn.h>
#include "test.h" // PASS(), FAIL(), XPASS(), XFAIL()
struct info
{
const char* path;
void* handle;
};
typedef struct info info;
static info dlopen_or_fail(const char* path, int options)
{
info result;
result.path = path;
result.handle = dlopen(path, options);
if ( result.handle == NULL ) {
FAIL("dlsym-NULL-RTLD_FIRST: dlopen(\"%s\") failed: %s", path, dlerror());
exit(0);
}
return result;
}
static void dlsym_should_fail(info hp, const char* symbol)
{
void* sym = dlsym(hp.handle, symbol);
if ( sym != NULL ) {
FAIL("dlsym-NULL-RTLD_FIRST: dlsym(handle-%s, \"%s\") should have failed", hp.path, symbol);
exit(0);
}
}
static void dlsym_should_succeed(info hp, const char* symbol)
{
void* sym = dlsym(hp.handle, symbol);
if ( sym == NULL ) {
FAIL("dlsym-NULL-RTLD_FIRST: dlsym(handle-%s, \"%s\") failed", hp.path, symbol);
exit(0);
}
}
int main()
{
int result;
info mainFirst = dlopen_or_fail(NULL, RTLD_FIRST);
info mainDefault = dlopen_or_fail(NULL, 0);
dlsym_should_succeed(mainFirst, "main_foo");
dlsym_should_fail(mainFirst, "foo");
dlsym_should_succeed(mainDefault, "main_foo");
dlsym_should_succeed(mainDefault, "foo");
result = dlclose(mainFirst.handle);
if ( result != 0 ) {
FAIL("dlsym-NULL-RTLD_FIRST: dlclose(mainFirst.handle) failed: %s", dlerror());
exit(0);
}
result = dlclose(mainDefault.handle);
if ( result != 0 ) {
FAIL("dlsym-NULL-RTLD_FIRST: dlclose(mainDefault.handle) failed: %s", dlerror());
exit(0);
}
PASS("dlsym-NULL-RTLD_FIRST");
return EXIT_SUCCESS;
}
void main_foo() {}