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glibc/elf/next.c
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#include <stdio.h> | |
extern int successful_rtld_next_test (void); | |
extern void *failing_rtld_next_use (void); | |
static int | |
do_test (void) | |
{ | |
int result; | |
void *addr; | |
/* First try call a function which uses RTLD_NEXT and calls that | |
function. */ | |
result = successful_rtld_next_test (); | |
if (result == 42) | |
{ | |
puts ("RTLD_NEXT seems to work for existing functions"); | |
result = 0; | |
} | |
else | |
{ | |
printf ("Heh? `successful_rtld_next_test' returned %d\n", result); | |
result = 1; | |
} | |
/* Next try a function which tries to get a function with RTLD_NEXT | |
but that fails. This dlsym() call should return a NULL pointer | |
and do nothing else. */ | |
addr = failing_rtld_next_use (); | |
if (addr == NULL) | |
puts ("dlsym returned NULL for non-existing function. Good"); | |
else | |
{ | |
puts ("dlsym found something !?"); | |
result = 1; | |
} | |
return result; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |