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 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 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#if defined(LIBC_SCCS) && !defined(lint) 38static char sccsid[] = "@(#)frune.c 8.1 (Berkeley) 6/4/93"; 39#endif /* LIBC_SCCS and not lint */ 40#include <sys/cdefs.h> 41__FBSDID("$FreeBSD: src/lib/libc/locale/frune.c,v 1.3 2002/09/18 06:19:12 tjr Exp $"); 42 43#include "xlocale_private.h" 44 45#include <limits.h> 46#include <rune.h> 47#include <stddef.h> 48#include <stdio.h> 49#include "runedepreciated.h" 50 51long 52fgetrune(fp) 53 FILE *fp; 54{ 55 rune_t r; 56 int c, len; 57 char buf[MB_LEN_MAX]; 58 char const *result; 59 __darwin_rune_t invalid_rune = __current_locale()->__lc_ctype->_CurrentRuneLocale.__invalid_rune; 60 static int warn_depreciated = 1; 61 62 if (warn_depreciated) { 63 warn_depreciated = 0; 64 fprintf(stderr, __rune_depreciated_msg, "fgetrune"); 65 } 66 67 len = 0; 68 do { 69 if ((c = getc(fp)) == EOF) { 70 if (len) 71 break; 72 return (EOF); 73 } 74 buf[len++] = c; 75 76 if ((r = __sgetrune(buf, len, &result)) != invalid_rune) 77 return (r); 78 } while (result == buf && len < MB_LEN_MAX); 79 80 while (--len > 0) 81 ungetc(buf[len], fp); 82 return (invalid_rune); 83} 84 85int 86fungetrune(r, fp) 87 rune_t r; 88 FILE* fp; 89{ 90 int len; 91 char buf[MB_LEN_MAX]; 92 static int warn_depreciated = 1; 93 94 if (warn_depreciated) { 95 warn_depreciated = 0; 96 fprintf(stderr, __rune_depreciated_msg, "fungetrune"); 97 } 98 99 len = __sputrune(r, buf, MB_LEN_MAX, 0); 100 while (len-- > 0) 101 if (ungetc(buf[len], fp) == EOF) 102 return (EOF); 103 return (0); 104} 105 106int 107fputrune(r, fp) 108 rune_t r; 109 FILE *fp; 110{ 111 int i, len; 112 char buf[MB_LEN_MAX]; 113 static int warn_depreciated = 1; 114 115 if (warn_depreciated) { 116 warn_depreciated = 0; 117 fprintf(stderr, __rune_depreciated_msg, "fputrune"); 118 } 119 120 len = __sputrune(r, buf, MB_LEN_MAX, 0); 121 122 for (i = 0; i < len; ++i) 123 if (putc(buf[i], fp) == EOF) 124 return (EOF); 125 126 return (0); 127} 128