Remove trailing whitespace only.
This commit is contained in:
parent
d72b904079
commit
256dba38d1
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=62446
@ -43,11 +43,11 @@
|
||||
.Lb libc
|
||||
.Sh SYNOPSIS
|
||||
.Fd #include <vis.h>
|
||||
.Ft int
|
||||
.Ft int
|
||||
.Fn unvis "char *cp" "int c" "int *astate" "int flag"
|
||||
.Ft int
|
||||
.Ft int
|
||||
.Fn strunvis "char *dst" "const char *src"
|
||||
.Ft int
|
||||
.Ft int
|
||||
.Fn strunvisx "char *dst" "const char *src" "int flag"
|
||||
.Sh DESCRIPTION
|
||||
The
|
||||
@ -61,7 +61,7 @@ by the
|
||||
.Xr vis 3
|
||||
function, back into
|
||||
the original form. Unvis is called with successive characters in
|
||||
.Ar c
|
||||
.Ar c
|
||||
until a valid
|
||||
sequence is recognized, at which time the decoded character is
|
||||
available at the character pointed to by
|
||||
@ -123,7 +123,7 @@ has several return codes that must be handled properly. They are:
|
||||
.Bl -tag -width UNVIS_VALIDPUSH
|
||||
.It Li \&0 (zero)
|
||||
Another character is necessary; nothing has been recognized yet.
|
||||
.It Dv UNVIS_VALID
|
||||
.It Dv UNVIS_VALID
|
||||
A valid character has been recognized and is available at the location
|
||||
pointed to by cp.
|
||||
.It Dv UNVIS_VALIDPUSH
|
||||
|
@ -44,9 +44,9 @@
|
||||
.Fd #include <vis.h>
|
||||
.Ft char *
|
||||
.Fn vis "char *dst" "int c" "int flag" "int nextc"
|
||||
.Ft int
|
||||
.Ft int
|
||||
.Fn strvis "char *dst" "const char *src" "int flag"
|
||||
.Ft int
|
||||
.Ft int
|
||||
.Fn strvisx "char *dst" "const char *src" "size_t len" "int flag"
|
||||
.Sh DESCRIPTION
|
||||
The
|
||||
@ -62,11 +62,11 @@ needs no encoding, it is copied in unaltered. The string is
|
||||
null terminated, and a pointer to the end of the string is
|
||||
returned. The maximum length of any encoding is four
|
||||
characters (not including the trailing
|
||||
.Dv NUL ) ;
|
||||
.Dv NUL ) ;
|
||||
thus, when
|
||||
encoding a set of characters into a buffer, the size of the buffer should
|
||||
be four times the number of characters encoded, plus one for the trailing
|
||||
.Dv NUL .
|
||||
.Dv NUL .
|
||||
The flag parameter is used for altering the default range of
|
||||
characters considered for encoding and for altering the visual
|
||||
representation.
|
||||
@ -91,7 +91,7 @@ function encodes characters from
|
||||
.Fa src
|
||||
up to the
|
||||
first
|
||||
.Dv NUL .
|
||||
.Dv NUL .
|
||||
The
|
||||
.Fn strvisx
|
||||
function encodes exactly
|
||||
@ -111,14 +111,14 @@ must be four times the number
|
||||
of characters encoded from
|
||||
.Fa src
|
||||
(plus one for the
|
||||
.Dv NUL ) .
|
||||
.Dv NUL ) .
|
||||
Both
|
||||
forms return the number of characters in dst (not including
|
||||
the trailing
|
||||
.Dv NUL ) .
|
||||
.Dv NUL ) .
|
||||
.Pp
|
||||
The encoding is a unique, invertible representation composed entirely of
|
||||
graphic characters; it can be decoded back into the original form using
|
||||
graphic characters; it can be decoded back into the original form using
|
||||
the
|
||||
.Xr unvis 3
|
||||
or
|
||||
@ -127,7 +127,7 @@ functions.
|
||||
.Pp
|
||||
There are two parameters that can be controlled: the range of
|
||||
characters that are encoded, and the type
|
||||
of representation used.
|
||||
of representation used.
|
||||
By default, all non-graphic characters.
|
||||
except space, tab, and newline are encoded.
|
||||
(See
|
||||
@ -137,23 +137,23 @@ alter this:
|
||||
.Bl -tag -width VIS_WHITEX
|
||||
.It Dv VIS_SP
|
||||
Also encode space.
|
||||
.It Dv VIS_TAB
|
||||
.It Dv VIS_TAB
|
||||
Also encode tab.
|
||||
.It Dv VIS_NL
|
||||
Also encode newline.
|
||||
.It Dv VIS_WHITE
|
||||
.It Dv VIS_WHITE
|
||||
Synonym for
|
||||
.Dv VIS_SP
|
||||
\&|
|
||||
.Dv VIS_TAB
|
||||
\&|
|
||||
.Dv VIS_NL .
|
||||
.It Dv VIS_SAFE
|
||||
.It Dv VIS_SAFE
|
||||
Only encode "unsafe" characters. Unsafe means control
|
||||
characters which may cause common terminals to perform
|
||||
unexpected functions. Currently this form allows space,
|
||||
tab, newline, backspace, bell, and return - in addition
|
||||
to all graphic characters - unencoded.
|
||||
to all graphic characters - unencoded.
|
||||
.El
|
||||
.Pp
|
||||
There are three forms of encoding.
|
||||
|
Loading…
Reference in New Issue
Block a user