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Update to reflect changes in vfscanf.c,v 1.32. Remove bogus

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documentation for %a, and document it correctly instead.
s/one of aefg/one of a, e, f, or g/

Reviewed by:	standards@
This commit is contained in:
David Schultz 2003-06-28 09:03:25 +00:00
parent 370077c7a6
commit b6b7fb3782
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=116968
1 changed files with 14 additions and 35 deletions
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49
lib/libc/stdio/scanf.3
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@ -172,7 +172,9 @@ and the next pointer is a pointer to a
(rather than
.Vt int ) ,
that the conversion will be one of
.Cm aefg
.Cm a , e , f ,
or
.Cm g
and the next pointer is a pointer to
.Vt double
(rather than
@ -197,15 +199,11 @@ and the next pointer is a pointer to a
.Vt int ) .
.It Cm L
Indicates that the conversion will be one of
.Cm aef
.Cm a , e , f ,
or
.Cm g
and the next pointer is a pointer to
.Vt "long double" .
(This type is not implemented; although the argument is
required to be a pointer to
.Vt "long double" ,
no additional precision is used in the conversion.)
.It Cm j
Indicates that the conversion will be one of
.Cm dioux
@ -309,29 +307,16 @@ the next pointer must be a pointer to
Matches an optionally signed hexadecimal integer;
the next pointer must be a pointer to
.Vt "unsigned int" .
.It Cm e , E , f , F , g , G
Matches an optionally signed floating-point number;
the next pointer must be a pointer to
.Vt float .
.It Cm a , A
Matches a hexadecimal number represented in the style
.Sm off
.Oo \- Oc Li 0x Ar h Li \&. Ar hhh Cm p Oo \\*[Pm] Oc Ar d .
.Sm on
This is an exact conversion of the sign, exponent, mantissa internal
floating point representation; the
.Sm off
.Oo \- Oc Li 0x Ar h Li \&. Ar hhh
.Sm on
portion represents exactly the mantissa; only denormalized
mantissas have a zero value to the left of the hexadecimal
point.
The
.Cm p
is a literal character
.Ql p ;
the exponent is preceded by a positive or negative sign
and is represented in decimal.
.It Cm a , A , e , E , f , F , g , G
Matches a floating-point number in the style of
.Xr strtod 3 .
The next pointer must be a pointer to
.Vt float
(unless
.Cm l
or
.Cm L
is specified.)
.It Cm s
Matches a sequence of non-white-space characters;
the next pointer must be a pointer to
@ -526,12 +511,6 @@ The
modifiers for positional arguments are not implemented.
.Pp
The
.Cm \&%a
and
.Cm \&%A
floating-point formats are not implemented.
.Pp
The
.Nm
family of functions do not correctly handle multibyte characters in the
.Fa format