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tests: additional getcwd decoding checks

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* tests/getcwd.c (main): Add more checks for getcwd arguments decoding.
This commit is contained in:
Eugene Syromyatnikov 2016-09-22 00:20:45 +03:00 committed by Dmitry V. Levin
parent 81b63834dd
commit db27247d84
1 changed files with 9 additions and 2 deletions
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11
tests/getcwd.c
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@ -13,6 +13,7 @@ main(void)
{
long res;
char cur_dir[PATH_MAX + 1];
static const size_t bogus_size = (size_t) 0xbadc0deddeadfaceULL;
res = syscall(__NR_getcwd, cur_dir, sizeof(cur_dir));
@ -23,9 +24,15 @@ main(void)
print_quoted_string(cur_dir);
printf("\", %zu) = %ld\n", sizeof(cur_dir), res);
syscall(__NR_getcwd, cur_dir, 0);
res = syscall(__NR_getcwd, cur_dir, 0);
printf("getcwd(%p, 0) = %s\n", cur_dir, sprintrc(res));
printf("getcwd(%p, 0) = -1 ERANGE (%m)\n", cur_dir);
res = syscall(__NR_getcwd, NULL, bogus_size);
printf("getcwd(NULL, %zu) = %s\n", bogus_size, sprintrc(res));
res = syscall(__NR_getcwd, (void *) -1L, sizeof(cur_dir));
printf("getcwd(%p, %zu) = %s\n",
(void *) -1L, sizeof(cur_dir), sprintrc(res));
puts("+++ exited with 0 +++");