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kleink reminded me in a friendly way that "NULL" is the C API 

synonyme for a "null pointer" and that there is no "NULL pointer".
This commit is contained in:
wiz 2006-10-16 08:42:16 +00:00
parent eed7e5b25b
commit aba3ac5c73
7 changed files with 26 additions and 50 deletions
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10
lib/libc/locale/mbsinit.3
View File

@ -1,4 +1,4 @@
.\" $NetBSD: mbsinit.3,v 1.5 2004/01/24 16:58:54 wiz Exp $
.\" $NetBSD: mbsinit.3,v 1.6 2006/10/16 08:42:16 wiz Exp $
.\"
.\" Copyright (c)2002 Citrus Project,
.\" All rights reserved.
@ -47,9 +47,7 @@ determines whether the state object pointed to by
is the initial conversion state, or not.
.Pp
.Fa ps
may be a
.Dv NULL
pointer.
may be a null pointer.
In this case,
.Fn mbsinit
will always return non-zero.
@ -63,9 +61,7 @@ The current state is not the initial state.
.It non-zero
The current state is the initial state or
.Fa ps
is a
.Dv NULL
pointer.
is a null pointer.
.El
.\" ----------------------------------------------------------------------
.Sh ERRORS

23
lib/libc/locale/mbsrtowcs.3
View File

@ -1,4 +1,4 @@
.\" $NetBSD: mbsrtowcs.3,v 1.9 2006/10/14 07:51:01 wiz Exp $
.\" $NetBSD: mbsrtowcs.3,v 1.10 2006/10/16 08:42:16 wiz Exp $
.\"
.\" Copyright (c)2002 Citrus Project,
.\" All rights reserved.
@ -72,21 +72,16 @@ is continuously called.
After conversion,
if
.Fa pwcs
is not a
.Dv NULL
pointer,
is not a null pointer,
the pointer object pointed to by
.Fa s
is a
.Dv NULL
pointer (if the conversion is stopped due to reaching a nul byte)
or the first byte of the character just after the last character converted.
is a null pointer (if the conversion is stopped due to reaching a
nul byte) or the first byte of the character just after the last
character converted.
.Pp
If
.Fa pwcs
is not a
.Dv NULL
pointer and the conversion is stopped due to reaching
is not a null pointer and the conversion is stopped due to reaching
a nul byte, the
.Fn mbsrtowcs
places the state object pointed to by
@ -138,7 +133,7 @@ except for a terminating nul wide character (if any).
If
.Fa pwcs
is not
NULL
.Dv NULL
and the value returned is equal to
.Fa n ,
the wide character string pointed to by
@ -146,9 +141,7 @@ the wide character string pointed to by
is not nul terminated.
If
.Fa pwcs
is a
.Dv NULL
pointer, the value returned is the number of elements to contain
is a null pointer, the value returned is the number of elements to contain
the whole string converted, except for a terminating nul wide character.
.It (size_t)-1
The array indirectly pointed to by

4
lib/libc/locale/mbstowcs.3
View File

@ -1,4 +1,4 @@
.\" $NetBSD: mbstowcs.3,v 1.9 2006/10/14 07:51:01 wiz Exp $
.\" $NetBSD: mbstowcs.3,v 1.10 2006/10/16 08:42:16 wiz Exp $
.\"
.\" Copyright (c)2002 Citrus Project,
.\" All rights reserved.
@ -88,7 +88,7 @@ There are no cases that the value returned is greater than
.Fa n
(unless
.Fa pwcs
is a NULL pointer) or the value of the
is a null pointer) or the value of the
.Dv MB_CUR_MAX
macro.
If the return value is equal to

6
lib/libc/locale/wcrtomb.3
View File

@ -1,4 +1,4 @@
.\" $NetBSD: wcrtomb.3,v 1.7 2006/10/14 07:51:01 wiz Exp $
.\" $NetBSD: wcrtomb.3,v 1.8 2006/10/16 08:42:16 wiz Exp $
.\"
.\" Copyright (c)2002 Citrus Project,
.\" All rights reserved.
@ -49,9 +49,7 @@ pointed to by
.Fa s
unless
.Fa s
is a
.Dv NULL
pointer.
is a null pointer.
This function will modify the first at most
.Dv MB_CUR_MAX
bytes of the array pointed to by

21
lib/libc/locale/wcsrtombs.3
View File

@ -1,4 +1,4 @@
.\" $NetBSD: wcsrtombs.3,v 1.11 2006/10/14 07:51:01 wiz Exp $
.\" $NetBSD: wcsrtombs.3,v 1.12 2006/10/16 08:42:16 wiz Exp $
.\"
.\" Copyright (c)2002 Citrus Project,
.\" All rights reserved.
@ -76,20 +76,15 @@ will not be affected.
After conversion,
if
.Fa s
is not a
.Dv NULL
pointer, the pointer object pointed to by
is not a null pointer, the pointer object pointed to by
.Fa pwcs
is a
.Dv NULL
pointer (if the conversion is stopped due to reaching a nul wide character)
or the first byte of the character just after the last character converted.
is a null pointer (if the conversion is stopped due to reaching a
nul wide character) or the first byte of the character just after
the last character converted.
.Pp
If
.Fa s
is not a
.Dv NULL
pointer and the conversion is stopped due to reaching
is not a null pointer and the conversion is stopped due to reaching
a nul wide character,
.Fn wcsrtombs
places the state object pointed to by
@ -142,9 +137,7 @@ There are no cases that the value returned is greater than
.Fa n
(unless
.Fa s
is a
.Dv NULL
pointer).
is a null pointer).
If the return value is equal to
.Fa n ,
the string pointed to by

6
lib/libc/locale/wcstombs.3
View File

@ -1,4 +1,4 @@
.\" $NetBSD: wcstombs.3,v 1.10 2006/10/14 07:51:01 wiz Exp $
.\" $NetBSD: wcstombs.3,v 1.11 2006/10/16 08:42:16 wiz Exp $
.\"
.\" Copyright (c)2002 Citrus Project,
.\" All rights reserved.
@ -95,9 +95,7 @@ There are no cases that the value returned is greater than
.Fa n
(unless
.Fa s
is a
.Dv NULL
pointer).
is a null pointer).
If the return value is equal to
.Fa n ,
the string pointed to by

6
lib/libc/locale/wcsxfrm.3
View File

@ -1,4 +1,4 @@
.\" $NetBSD: wcsxfrm.3,v 1.2 2006/10/14 07:51:01 wiz Exp $
.\" $NetBSD: wcsxfrm.3,v 1.3 2006/10/16 08:42:16 wiz Exp $
.\"
.\" Copyright (c) 1990, 1991, 1993
.\" The Regents of the University of California. All rights reserved.
@ -69,9 +69,7 @@ If
is set to 0
(it helps to determine an actual size needed for transformation),
.Fa dst
is permitted to be a
.Dv NULL
pointer.
is permitted to be a null pointer.
.Pp
Comparing two strings using
.Fn wcscmp