diff options
Diffstat (limited to 'usr/src/man/man3c/wcstod.3c')
| -rw-r--r-- | usr/src/man/man3c/wcstod.3c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/usr/src/man/man3c/wcstod.3c b/usr/src/man/man3c/wcstod.3c index 155d9a103b..e052148c30 100644 --- a/usr/src/man/man3c/wcstod.3c +++ b/usr/src/man/man3c/wcstod.3c @@ -43,12 +43,11 @@ .\" Copyright (c) 1992, X/Open Company Limited. All Rights Reserved. .\" Portions Copyright (c) 2003, Sun Microsystems, Inc. All Rights Reserved .\" -.TH WCSTOD 3C "Mar 31, 2003" +.TH WCSTOD 3C "Aug 25, 2019" .SH NAME wcstod, wcstof, wcstold, wstod, watof \- convert wide character string to floating-point number .SH SYNOPSIS -.LP .nf #include <wchar.h> @@ -79,8 +78,6 @@ floating-point number .fi .SH DESCRIPTION -.sp -.LP The \fBwcstod()\fR, \fBwcstof()\fR, and \fBwcstold()\fR functions convert the initial portion of the wide-character string pointed to by \fInptr\fR to \fBdouble\fR, \fBfloat\fR, and \fBlong double\fR representation, respectively. @@ -153,13 +150,13 @@ n-wchar-sequence: .sp .LP In default mode for \fBwcstod()\fR, only decimal, INF/INFINITY, and -NAN/NAN(\fIn-char-sequence\fR) forms are recognized. In C99/SUSv3 mode, +NAN/NAN(\fIn-wchar-sequence\fR) forms are recognized. In C99/SUSv3 mode, hexadecimal strings are also recognized. .sp .LP -In default mode for \fBwcstod()\fR, the \fIn-char-sequence\fR in the -NAN(\fIn-char-equence\fR) form can contain any character except ')' (right -parenthesis) or '\e0' (null). In C99/SUSv3 mode, the \fIn-char-sequence\fR can +In default mode for \fBwcstod()\fR, the \fIn-wchar-sequence\fR in the +NAN(\fIn-wchar-sequence\fR) form can contain any character except ')' (right +parenthesis) or '\e0' (null). In C99/SUSv3 mode, the \fIn-wchar-sequence\fR can contain only upper and lower case letters, digits, and '_' (underscore). .sp .LP @@ -215,8 +212,6 @@ The \fBwstod()\fR function is identical to \fBwcstod()\fR. The \fBwatof\fR(\fIstr\fR) function is equivalent to \fBwstod(\fR\fInptr\fR\fB, (wchar_t **)NULL)\fR. .SH RETURN VALUES -.sp -.LP Upon successful completion, these functions return the converted value. If no conversion could be performed, \fB0\fR is returned. .sp @@ -231,13 +226,11 @@ If the correct value would cause an underflow, the correctly rounded result (which may be normal, subnormal, or zero) is returned, a floating point underflow exception is raised, and \fBerrno\fR is set to \fBERANGE\fR. .SH ERRORS -.sp -.LP The \fBwcstod()\fR and \fBwstod()\fR functions will fail if: .sp .ne 2 .na -\fB\fBERANGE\fR\fR +\fBERANGE\fR .ad .RS 10n The value to be returned would cause overflow or underflow. @@ -249,22 +242,18 @@ The \fBwcstod()\fR and \fBwcstod()\fR functions may fail if: .sp .ne 2 .na -\fB\fBEINVAL\fR\fR +\fBEINVAL\fR .ad .RS 10n No conversion could be performed. .RE .SH USAGE -.sp -.LP Because 0 is returned on error and is also a valid return on success, an application wishing to check for error situations should set \fBerrno\fR to 0 call \fBwcstod()\fR, \fBwcstof()\fR, \fBwcstold()\fR, or \fBwstod()\fR, then check \fBerrno\fR and if it is non-zero, assume an error has occurred. .SH ATTRIBUTES -.sp -.LP See \fBattributes\fR(5) for descriptions of the following attributes: .sp @@ -283,7 +272,5 @@ MT-Level MT-Safe .TE .SH SEE ALSO -.sp -.LP \fBiswspace\fR(3C), \fBlocaleconv\fR(3C), \fBscanf\fR(3C), \fBsetlocale\fR(3C), \fBwcstol\fR(3C), \fBattributes\fR(5), \fBstandards\fR(5) |