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Begin conversions for sgetrune() and sputrune() in the initial

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conversion state.
This commit is contained in:
Tim J. Robbins 2004-04-07 09:49:10 +00:00
parent dc763237da
commit e97e856274
1 changed files with 12 additions and 3 deletions
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15
lib/libc/locale/srune.c
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@ -1,5 +1,5 @@
/*-
* Copyright (c) 2003 Tim J. Robbins
* Copyright (c) 2003-2004 Tim J. Robbins
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -24,6 +24,9 @@
* SUCH DAMAGE.
*/
/* Not required when sgetrune() and sputrune() are removed. */
#define OBSOLETE_IN_6
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
@ -39,6 +42,8 @@ __FBSDID("$FreeBSD$");
rune_t
__emulated_sgetrune(const char *string, size_t n, const char **result)
{
static const mbstate_t initial;
mbstate_t mbs;
wchar_t wc;
size_t nconv;
@ -46,7 +51,8 @@ __emulated_sgetrune(const char *string, size_t n, const char **result)
* Pass a NULL conversion state to mbrtowc() since multibyte
* conversion states are not supported.
*/
nconv = mbrtowc(&wc, string, n, NULL);
mbs = initial;
nconv = mbrtowc(&wc, string, n, &mbs);
if (nconv == (size_t)-2) {
if (result != NULL)
*result = string;
@ -71,10 +77,13 @@ __emulated_sgetrune(const char *string, size_t n, const char **result)
int
__emulated_sputrune(rune_t rune, char *string, size_t n, char **result)
{
static const mbstate_t initial;
mbstate_t mbs;
char buf[MB_LEN_MAX];
size_t nconv;
nconv = wcrtomb(buf, (wchar_t)rune, NULL);
mbs = initial;
nconv = wcrtomb(buf, (wchar_t)rune, &mbs);
if (nconv == (size_t)-1) {
if (result != NULL)
*result = NULL;