| mblen.c (102879) | mblen.c (106032) |
|---|---|
| 1/*- 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Paul Borman at Krystal Technologies. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 21 unchanged lines hidden (view full) --- 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Paul Borman at Krystal Technologies. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 21 unchanged lines hidden (view full) --- 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37#include <sys/cdefs.h> |
| 38__FBSDID("$FreeBSD: head/lib/libc/locale/mblen.c 102879 2002-09-03 01:09:47Z tjr $"); | 38__FBSDID("$FreeBSD: head/lib/libc/locale/mblen.c 106032 2002-10-27 10:41:21Z tjr $"); |
| 39 40#include <errno.h> | 39 40#include <errno.h> |
| 41#include <stdlib.h> | |
| 42#include <stddef.h> | 41#include <stddef.h> |
| 42#include <stdlib.h> |
|
| 43#include <rune.h> 44 45int | 43#include <rune.h> 44 45int |
| 46mblen(s, n) 47 const char *s; 48 size_t n; | 46mblen(const char *s, size_t n) |
| 49{ | 47{ |
| 50 char const *e; | 48 const char *e; |
| 51 | 49 |
| 52 if (s == 0 || *s == 0) 53 return (0); /* No support for state dependent encodings. */ | 50 if (s == NULL || *s == '\0') 51 /* No support for state dependent encodings. */ 52 return (0); |
| 54 55 if (sgetrune(s, n, &e) == _INVALID_RUNE) { 56 errno = EILSEQ; 57 return (s - e); 58 } 59 return (e - s); 60} | 53 54 if (sgetrune(s, n, &e) == _INVALID_RUNE) { 55 errno = EILSEQ; 56 return (s - e); 57 } 58 return (e - s); 59} |