Libc-594.9.5.tar.gz

[apple/libc.git] / locale / FreeBSD / none.c

diff --git a/locale/FreeBSD/none.c b/locale/FreeBSD/none.c
index 2fd072dfde19a427d7537787c9cfa6cefb619376..0514bc4632ca75910db731254fc0097152b4a60c 100644 (file)
--- a/locale/FreeBSD/none.c
+++ b/locale/FreeBSD/none.c
@@ -1,4 +1,5 @@
 /*-
+ * Copyright (c) 2002-2004 Tim J. Robbins. All rights reserved.
  * Copyright (c) 1993
  *     The Regents of the University of California.  All rights reserved.
  *
@@ -38,62 +39,141 @@
 static char sccsid[] = "@(#)none.c     8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/locale/none.c,v 1.6 2002/10/16 11:37:38 tjr Exp $");
+__FBSDID("$FreeBSD: src/lib/libc/locale/none.c,v 1.12 2004/07/21 10:54:57 tjr Exp $");
 
+#include <errno.h>
 #include <limits.h>
+#include <runetype.h>
 #include <stddef.h>
 #include <stdio.h>
-#include <rune.h>
 #include <stdlib.h>
+#include <string.h>
+#include <wchar.h>
+#include "mblocal.h"
 
-rune_t _none_sgetrune(const char *, size_t, char const **);
-int    _none_sputrune(rune_t, char *, size_t, char **);
+int    _none_init(_RuneLocale *);
+size_t _none_mbrtowc(wchar_t * __restrict, const char * __restrict, size_t,
+           mbstate_t * __restrict);
+int    _none_mbsinit(const mbstate_t *);
+size_t _none_mbsnrtowcs(wchar_t * __restrict dst,
+           const char ** __restrict src, size_t nms, size_t len,
+           mbstate_t * __restrict ps __unused);
+size_t _none_wcrtomb(char * __restrict, wchar_t, mbstate_t * __restrict);
+size_t _none_wcsnrtombs(char * __restrict, const wchar_t ** __restrict,
+           size_t, size_t, mbstate_t * __restrict);
 
 int
-_none_init(rl)
-       _RuneLocale *rl;
+_none_init(_RuneLocale *rl)
 {
-       rl->sgetrune = _none_sgetrune;
-       rl->sputrune = _none_sputrune;
+
+       __mbrtowc = _none_mbrtowc;
+       __mbsinit = _none_mbsinit;
+       __mbsnrtowcs = _none_mbsnrtowcs;
+       __wcrtomb = _none_wcrtomb;
+       __wcsnrtombs = _none_wcsnrtombs;
        _CurrentRuneLocale = rl;
        __mb_cur_max = 1;
        return(0);
 }
 
-rune_t
-_none_sgetrune(string, n, result)
-       const char *string;
-       size_t n;
-       char const **result;
+int
+_none_mbsinit(const mbstate_t *ps __unused)
 {
-       if (n < 1) {
-               if (result)
-                       *result = string;
-               return(_INVALID_RUNE);
+
+       /*
+        * Encoding is not state dependent - we are always in the
+        * initial state.
+        */
+       return (1);
+}
+
+size_t
+_none_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
+    mbstate_t * __restrict ps __unused)
+{
+
+       if (s == NULL)
+               /* Reset to initial shift state (no-op) */
+               return (0);
+       if (n == 0)
+               /* Incomplete multibyte sequence */
+               return ((size_t)-2);
+       if (pwc != NULL)
+               *pwc = (unsigned char)*s;
+       return (*s == '\0' ? 0 : 1);
+}
+
+size_t
+_none_wcrtomb(char * __restrict s, wchar_t wc,
+    mbstate_t * __restrict ps __unused)
+{
+
+       if (s == NULL)
+               /* Reset to initial shift state (no-op) */
+               return (1);
+       if (wc < 0 || wc > UCHAR_MAX) {
+               errno = EILSEQ;
+               return ((size_t)-1);
        }
-       if (result)
-               *result = string + 1;
-       return(*string & 0xff);
+       *s = (unsigned char)wc;
+       return (1);
 }
 
-int
-_none_sputrune(c, string, n, result)
-       rune_t c;
-       char *string, **result;
-       size_t n;
+size_t
+_none_mbsnrtowcs(wchar_t * __restrict dst, const char ** __restrict src,
+    size_t nms, size_t len, mbstate_t * __restrict ps __unused)
+{
+       const char *s;
+       size_t nchr;
+
+       if (dst == NULL) {
+               s = memchr(*src, '\0', nms);
+               return (s != NULL ? s - *src : nms);
+       }
+
+       s = *src;
+       nchr = 0;
+       while (len-- > 0 && nms-- > 0) {
+               if ((*dst++ = (unsigned char)*s++) == L'\0') {
+                       *src = NULL;
+                       return (nchr);
+               }
+               nchr++;
+       }
+       *src = s;
+       return (nchr);
+}
+
+size_t
+_none_wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src,
+    size_t nwc, size_t len, mbstate_t * __restrict ps __unused)
 {
-       if (n >= 1) {
-               if (string) {
-                       if (c < 0 || c > UCHAR_MAX) {
-                               if (result)
-                                       *result = NULL;
-                               return (0);
+       const wchar_t *s;
+       size_t nchr;
+
+       if (dst == NULL) {
+               for (s = *src; nwc > 0 && *s != L'\0'; s++, nwc--) {
+                       if (*s < 0 || *s > UCHAR_MAX) {
+                               errno = EILSEQ;
+                               return ((size_t)-1);
                        }
-                       *string = c;
                }
-               if (result)
-                       *result = string + 1;
-       } else if (result)
-               *result = (char *)0;
-       return(1);
+               return (s - *src);
+       }
+
+       s = *src;
+       nchr = 0;
+       while (len-- > 0 && nwc-- > 0) {
+               if (*s < 0 || *s > UCHAR_MAX) {
+                       errno = EILSEQ;
+                       return ((size_t)-1);
+               }
+               if ((*dst++ = *s++) == '\0') {
+                       *src = NULL;
+                       return (nchr);
+               }
+               nchr++;
+       }
+       *src = s;
+       return (nchr);
 }