Add an implementation of the semi-standard wcsdup() function, as found
on Microsoft and GNU systems.
This commit is contained in:
parent
9c1909fe22
commit
d62e8d4c7c
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=149011
@ -214,6 +214,7 @@ int wcwidth(wchar_t);
|
|||||||
wchar_t *fgetwln(struct __sFILE * __restrict, size_t * __restrict);
|
wchar_t *fgetwln(struct __sFILE * __restrict, size_t * __restrict);
|
||||||
size_t mbsnrtowcs(wchar_t * __restrict, const char ** __restrict, size_t,
|
size_t mbsnrtowcs(wchar_t * __restrict, const char ** __restrict, size_t,
|
||||||
size_t, mbstate_t * __restrict);
|
size_t, mbstate_t * __restrict);
|
||||||
|
wchar_t *wcsdup(const wchar_t *);
|
||||||
size_t wcsnrtombs(char * __restrict, const wchar_t ** __restrict, size_t,
|
size_t wcsnrtombs(char * __restrict, const wchar_t ** __restrict, size_t,
|
||||||
size_t, mbstate_t * __restrict);
|
size_t, mbstate_t * __restrict);
|
||||||
size_t wcslcat(wchar_t *, const wchar_t *, size_t);
|
size_t wcslcat(wchar_t *, const wchar_t *, size_t);
|
||||||
|
@ -14,7 +14,7 @@ MISRCS+=bcmp.c bcopy.c bzero.c ffs.c ffsl.c fls.c flsl.c index.c memccpy.c \
|
|||||||
strcasestr.c strnstr.c \
|
strcasestr.c strnstr.c \
|
||||||
strpbrk.c strrchr.c strsep.c strsignal.c strspn.c strstr.c strtok.c \
|
strpbrk.c strrchr.c strsep.c strsignal.c strspn.c strstr.c strtok.c \
|
||||||
strxfrm.c swab.c wcscat.c wcschr.c wcscmp.c wcscoll.c wcscpy.c \
|
strxfrm.c swab.c wcscat.c wcschr.c wcscmp.c wcscoll.c wcscpy.c \
|
||||||
wcscspn.c \
|
wcscspn.c wcsdup.c \
|
||||||
wcslcat.c wcslcpy.c wcslen.c wcsncat.c wcsncmp.c wcsncpy.c wcspbrk.c \
|
wcslcat.c wcslcpy.c wcslen.c wcsncat.c wcsncmp.c wcsncpy.c wcspbrk.c \
|
||||||
wcsrchr.c wcsspn.c wcsstr.c wcstok.c wcswidth.c wcsxfrm.c wmemchr.c \
|
wcsrchr.c wcsspn.c wcsstr.c wcstok.c wcswidth.c wcsxfrm.c wmemchr.c \
|
||||||
wmemcmp.c \
|
wmemcmp.c \
|
||||||
@ -53,7 +53,8 @@ MLINKS+=wmemchr.3 wmemcmp.3 wmemchr.3 wmemcpy.3 \
|
|||||||
wmemchr.3 wmemmove.3 wmemchr.3 wmemset.3 \
|
wmemchr.3 wmemmove.3 wmemchr.3 wmemset.3 \
|
||||||
wmemchr.3 wcscat.3 wmemchr.3 wcschr.3 \
|
wmemchr.3 wcscat.3 wmemchr.3 wcschr.3 \
|
||||||
wmemchr.3 wcscmp.3 wmemchr.3 wcscpy.3 \
|
wmemchr.3 wcscmp.3 wmemchr.3 wcscpy.3 \
|
||||||
wmemchr.3 wcscspn.3 wmemchr.3 wcslcat.3 \
|
wmemchr.3 wcscspn.3 wmemchr.3 wcsdup.3 \
|
||||||
|
wmemchr.3 wcslcat.3 \
|
||||||
wmemchr.3 wcslcpy.3 wmemchr.3 wcslen.3 \
|
wmemchr.3 wcslcpy.3 wmemchr.3 wcslen.3 \
|
||||||
wmemchr.3 wcsncat.3 wmemchr.3 wcsncmp.3 \
|
wmemchr.3 wcsncat.3 wmemchr.3 wcsncmp.3 \
|
||||||
wmemchr.3 wcsncpy.3 wmemchr.3 wcspbrk.3 \
|
wmemchr.3 wcsncpy.3 wmemchr.3 wcspbrk.3 \
|
||||||
|
43
lib/libc/string/wcsdup.c
Normal file
43
lib/libc/string/wcsdup.c
Normal file
@ -0,0 +1,43 @@
|
|||||||
|
/*-
|
||||||
|
* Copyright (c) 2005 Tim J. Robbins.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||||||
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||||
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||||
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||||||
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||||
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||||
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||||
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||||
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||||
|
* SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <sys/cdefs.h>
|
||||||
|
__FBSDID("$FreeBSD$");
|
||||||
|
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <wchar.h>
|
||||||
|
|
||||||
|
wchar_t *
|
||||||
|
wcsdup(const wchar_t *s)
|
||||||
|
{
|
||||||
|
wchar_t *copy;
|
||||||
|
size_t len;
|
||||||
|
|
||||||
|
len = wcslen(s) + 1;
|
||||||
|
if ((copy = malloc(len * sizeof(wchar_t))) == NULL)
|
||||||
|
return (NULL);
|
||||||
|
return (wmemcpy(copy, s, len));
|
||||||
|
}
|
@ -39,7 +39,7 @@
|
|||||||
.\"
|
.\"
|
||||||
.\" $FreeBSD$
|
.\" $FreeBSD$
|
||||||
.\"
|
.\"
|
||||||
.Dd December 22, 2000
|
.Dd August 13, 2005
|
||||||
.Dt WMEMCHR 3
|
.Dt WMEMCHR 3
|
||||||
.Os
|
.Os
|
||||||
.Sh NAME
|
.Sh NAME
|
||||||
@ -53,6 +53,7 @@
|
|||||||
.Nm wcscmp ,
|
.Nm wcscmp ,
|
||||||
.Nm wcscpy ,
|
.Nm wcscpy ,
|
||||||
.Nm wcscspn ,
|
.Nm wcscspn ,
|
||||||
|
.Nm wcsdup ,
|
||||||
.Nm wcslcat ,
|
.Nm wcslcat ,
|
||||||
.Nm wcslcpy ,
|
.Nm wcslcpy ,
|
||||||
.Nm wcslen ,
|
.Nm wcslen ,
|
||||||
@ -88,6 +89,8 @@
|
|||||||
.Fn wcscpy "wchar_t * restrict s1" "const wchar_t * restrict s2"
|
.Fn wcscpy "wchar_t * restrict s1" "const wchar_t * restrict s2"
|
||||||
.Ft size_t
|
.Ft size_t
|
||||||
.Fn wcscspn "const wchar_t *s1" "const wchar_t *s2"
|
.Fn wcscspn "const wchar_t *s1" "const wchar_t *s2"
|
||||||
|
.Ft wchar_t *
|
||||||
|
.Fn wcsdup "const wchar_t *s"
|
||||||
.Ft size_t
|
.Ft size_t
|
||||||
.Fn wcslcat "wchar_t *s1" "const wchar_t *s2" "size_t n"
|
.Fn wcslcat "wchar_t *s1" "const wchar_t *s2" "size_t n"
|
||||||
.Ft size_t
|
.Ft size_t
|
||||||
@ -125,6 +128,7 @@ counterpart, such as
|
|||||||
.Xr strcmp 3 ,
|
.Xr strcmp 3 ,
|
||||||
.Xr strcpy 3 ,
|
.Xr strcpy 3 ,
|
||||||
.Xr strcspn 3 ,
|
.Xr strcspn 3 ,
|
||||||
|
.Xr strdup 3 ,
|
||||||
.Xr strlcat 3 ,
|
.Xr strlcat 3 ,
|
||||||
.Xr strlcpy 3 ,
|
.Xr strlcpy 3 ,
|
||||||
.Xr strlen 3 ,
|
.Xr strlen 3 ,
|
||||||
@ -139,7 +143,8 @@ counterpart, such as
|
|||||||
These functions conform to
|
These functions conform to
|
||||||
.St -isoC-99 ,
|
.St -isoC-99 ,
|
||||||
with the exception of
|
with the exception of
|
||||||
.Fn wcslcat
|
.Fn wcsdup ,
|
||||||
|
.Fn wcslcat ,
|
||||||
and
|
and
|
||||||
.Fn wcslcpy ,
|
.Fn wcslcpy ,
|
||||||
which are extensions.
|
which are extensions.
|
||||||
|
Loading…
Reference in New Issue
Block a user