diff options
Diffstat (limited to 'string')
| -rw-r--r-- | string/bits/string2.h | 2 | ||||
| -rw-r--r-- | string/tester.c | 27 |
2 files changed, 28 insertions, 1 deletions
diff --git a/string/bits/string2.h b/string/bits/string2.h index aafb578915..e8ac063e03 100644 --- a/string/bits/string2.h +++ b/string/bits/string2.h @@ -1216,7 +1216,7 @@ extern char *__strndup (__const char *__string, size_t __n) size_t __n = (n); \ char *__retval; \ if (__n < __len) \ - __len = __n; \ + __len = __n + 1; \ __retval = (char *) malloc (__len); \ if (__retval != NULL) \ { \ diff --git a/string/tester.c b/string/tester.c index bd2445f0d1..39ae0d837e 100644 --- a/string/tester.c +++ b/string/tester.c @@ -1257,6 +1257,30 @@ test_bzero (void) } static void +test_strndup (void) +{ + char *p, *q; + it = "strndup"; + p = strndup("abcdef", 12); + check(p != NULL, 1); + if (p != NULL) + { + equal(p, "abcdef", 2); + q = strndup(p + 1, 2); + check(q != NULL, 3); + if (q != NULL) + equal(q, "bc", 4); + free (q); + } + free (p); + p = strndup("abc def", 3); + check(p != NULL, 5); + if (p != NULL) + equal(p, "abc", 6); + free (p); +} + +static void test_bcmp (void) { it = "bcmp"; @@ -1382,6 +1406,9 @@ main (void) /* bcmp - somewhat like memcmp. */ test_bcmp (); + /* strndup. */ + test_strndup (); + /* strerror - VERY system-dependent. */ test_strerror (); |