wcstombs.3.patch   [plain text]

--- wcstombs.3.orig	2009-11-09 15:05:25.000000000 -0800
+++ wcstombs.3	2009-11-09 15:05:26.000000000 -0800
@@ -37,7 +37,8 @@
 .Dt WCSTOMBS 3
 .Os
 .Sh NAME
-.Nm wcstombs
+.Nm wcstombs ,
+.Nm wcstombs_l
 .Nd convert a wide-character string to a character string
 .Sh LIBRARY
 .Lb libc
@@ -45,28 +46,47 @@
 .In stdlib.h
 .Ft size_t
 .Fo wcstombs
-.Fa "char * restrict mbstring" "const wchar_t * restrict wcstring"
-.Fa "size_t nbytes"
+.Fa "char *restrict s"
+.Fa "const wchar_t *restrict pwcs"
+.Fa "size_t n"
+.Fc
+.In stdlib.h
+.In xlocale.h
+.Ft size_t
+.Fo wcstombs_l
+.Fa "char *restrict s"
+.Fa "const wchar_t *restrict pwcs"
+.Fa "size_t n"
+.Fa "locale_t loc"
 .Fc
 .Sh DESCRIPTION
 The
 .Fn wcstombs
 function converts a wide character string
-.Fa wcstring
+.Fa pwcs
 into a multibyte character string,
-.Fa mbstring ,
+.Fa s ,
 beginning in the initial conversion state.
 Up to
-.Fa nbytes
+.Fa n
 bytes are stored in
-.Fa mbstring .
+.Fa s .
 Partial multibyte characters at the end of the string are not stored.
-The multibyte character string is null terminated if there is room.
+The multibyte character string is null terminated, if there is room.
+.Pp
+Although the
+.Fn wcstombs
+function uses the current locale, the
+.Fn wcstombs_l
+function may be passed a locale directly. See
+.Xr xlocale 3
+for more information.
 .Sh RETURN VALUES
 The
 .Fn wcstombs
 function returns the number of bytes converted
-(not including any terminating null), if successful, otherwise it returns
+(not including any terminating null), if successful;
+otherwise, it returns
 .Po Vt size_t Pc Ns \-1 .
 .Sh ERRORS
 The
@@ -82,7 +102,8 @@ The conversion state is invalid.
 .Xr mbstowcs 3 ,
 .Xr multibyte 3 ,
 .Xr wcsrtombs 3 ,
-.Xr wctomb 3
+.Xr wctomb 3 ,
+.Xr xlocale 3
 .Sh STANDARDS
 The
 .Fn wcstombs