1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
|
#include <dlfcn.h>
#include <stdio.h>
/* Number of rounds we perform the test. */
#define TEST_ROUNDS 10
static const char unknown[] = "a-file-with-this-name-does-not-exist";
static const char exists[] = "failtestmod.so";
int
main (void)
{
int i;
setvbuf (stdout, NULL, _IONBF, 0);
for (i = 0; i < TEST_ROUNDS; ++i)
{
void *dsc;
printf ("Round %d: Try loading \"%s\"\n", i, unknown);
dsc = dlopen (unknown, RTLD_NOW);
if (dsc != NULL)
{
printf ("We found a file of name \"%s\": this should not happen\n",
unknown);
return 1;
}
printf ("Round %d: loading \"%s\" failed\n", i, unknown);
/* Don't use `dlerror', just load an existing file. */
dsc = dlopen (exists, RTLD_NOW);
if (dsc == NULL)
{
printf ("Could not load \"%s\": %s\n", exists, dlerror ());
return 1;
}
printf ("Round %d: Loaded \"%s\"\n", i, exists);
dlclose (dsc);
printf ("Round %d: Unloaded \"%s\"\n", i, exists);
}
return 0;
}
extern void foo (void);
void
foo (void)
{
}
|