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2964 need POSIX 2008 locale object support
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
Approved by: TBD
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--- old/usr/src/man/man3c/mblen.3c
+++ new/usr/src/man/man3c/mblen.3c
1 1 '\" te
2 +.\" Copyright 2014 Garrett D'Amore <garrett@damore.org>
2 3 .\" Copyright 1989 AT&T Copyright (c) 1992, X/Open Company Limited All Rights Reserved Portions Copyright (c) 2002, Sun Microsystems, Inc. All Rights Reserved
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10 -.TH MBLEN 3C "Jul 24, 2002"
11 +.TH MBLEN 3C "Jun 24, 2014"
11 12 .SH NAME
12 -mblen \- get number of bytes in a character
13 +mblen, mblen_l \- get number of bytes in a character
13 14 .SH SYNOPSIS
14 15 .LP
15 16 .nf
16 17 #include <stdlib.h>
17 18
18 19 \fBint\fR \fBmblen\fR(\fBconst char *\fR\fIs\fR, \fBsize_t\fR \fIn\fR);
19 20 .fi
21 +.LP
22 +.nf
23 +#include <stdlib.h>
24 +#include <xlocale.h>
20 25
26 +\fBint\fR \fBmblen_l\fR(\fBconst char *\fR\fIs\fR, \fBsize_t\fR \fIn\fR, \fBlocale_t\fR \fIloc\fR);
27 +.fi
28 +
21 29 .SH DESCRIPTION
22 30 .sp
23 31 .LP
24 -If \fIs\fR is not a null pointer, \fBmblen()\fR determines the number of bytes
25 -constituting the character pointed to by \fIs\fR. It is equivalent to:
26 -.sp
32 +If \fIs\fR is not a null pointer, \fBmblen()\fR and \fBmblen_l()\fR
33 +determine the number of bytes constituting the character pointed to by
34 +\fIs\fR. The call
35 +.IP
36 +\fBmblen(\fIs\fR, \fIn\fR)\fR;
27 37 .LP
28 -\fBmbtowc((wchar_t *)0, \fR\fIs\fR, \fIn\fR);
29 -.sp
38 +is equivalent to:
39 +.IP
40 +\fBmbtowc\fR((\fBwchar_t\fR *)0, \fIs\fR, \fIn\fR);
30 41 .LP
31 42 A call with \fIs\fR as a null pointer causes this function to return \fB0\fR.
32 -The behavior of this function is affected by the \fBLC_CTYPE\fR category of the
33 -current locale.
43 +.LP
44 +Whereas the behavior of the \fBmblen()\fR function is affected by the
45 +\fBLC_CTYPE\fR category of the current locale, the behavior of
46 +\fBmblen_l()\fR is affected by the \fBLC_CTYPE\fR category of the
47 +locale specified by \fIloc\fR.
34 48 .SH RETURN VALUES
35 -.sp
36 49 .LP
37 -If \fIs\fR is a null pointer, \fBmblen()\fR returns \fB0\fR. It \fIs\fR is not
38 -a null pointer, \fBmblen()\fR returns \fB0\fR (if \fIs\fR points to the null
50 +If \fIs\fR is a null pointer, \fBmblen()\fR and \fBmblen_l()\fR returns \fB0\fR. It \fIs\fR is not
51 +a null pointer, \fBmblen()\fR and \fBmblen_l()\fR returns \fB0\fR (if \fIs\fR points to the null
39 52 byte), the number of bytes that constitute the character (if the next \fIn\fR
40 53 or fewer bytes form a valid character), or \fB\(mi1\fR (if they do not form a
41 54 valid character) and may set \fBerrno\fR to indicate the error. In no case will
42 55 the value returned be greater than \fIn\fR or the value of the \fBMB_CUR_MAX\fR
43 56 macro.
44 57 .SH ERRORS
45 58 .sp
46 59 .LP
47 -The \fBmblen()\fR function may fail if:
60 +The \fBmblen()\fR and \fBmblen_l()\fR functions may fail if:
48 61 .sp
49 62 .ne 2
50 63 .na
51 64 \fB\fBEILSEQ\fR\fR
52 65 .ad
53 66 .RS 10n
54 67 Invalid character sequence is detected.
55 68 .RE
56 -
57 -.SH USAGE
58 -.sp
59 -.LP
60 -The \fBmblen()\fR function can be used safely in multithreaded applications, as
61 -long as \fBsetlocale\fR(3C) is not being called to change the locale.
62 69 .SH ATTRIBUTES
63 70 .sp
64 71 .LP
65 72 See \fBattributes\fR(5) for descriptions of the following attributes:
66 73 .sp
67 74
68 75 .sp
69 76 .TS
70 77 box;
71 78 c | c
72 79 l | l .
73 80 ATTRIBUTE TYPE ATTRIBUTE VALUE
74 81 _
75 82 CSI Enabled
76 83 _
77 -Interface Stability Standard
84 +Interface Stability See below.
78 85 _
79 -MT-Level MT-Safe with exceptions
86 +MT-Level MT-Safe
80 87 .TE
81 88
89 +.LP
90 +The
91 +.B mblen()
92 +function is Standard. The
93 +.B mblen_l()
94 +function is Uncommitted.
82 95 .SH SEE ALSO
83 -.sp
84 96 .LP
85 -\fBmbstowcs\fR(3C), \fBmbtowc\fR(3C), \fBsetlocale\fR(3C), \fBwcstombs\fR(3C),
86 -\fBwctomb\fR(3C), \fBattributes\fR(5), \fBstandards\fR(5)
97 +\fBmbstowcs\fR(3C), \fBmbtowc\fR(3C), \fBnewlocale\fR(3C), \fBsetlocale\fR(3C),
98 +\fBwcstombs\fR(3C), \fBwctomb\fR(3C), \fBuselocale\fR(3C) \fBattributes\fR(5),
99 +\fBstandards\fR(5)
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