diff options
Diffstat (limited to 'lib/libc/locale/digittoint.3')
| -rw-r--r-- | lib/libc/locale/digittoint.3 | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/libc/locale/digittoint.3 b/lib/libc/locale/digittoint.3 index 372e00f..c7e2ac1 100644 --- a/lib/libc/locale/digittoint.3 +++ b/lib/libc/locale/digittoint.3 @@ -28,7 +28,7 @@ .\" @(#)digittoint.3 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd April 6, 2001 +.Dd September 3, 2009 .Dt DIGITTOINT 3 .Os .Sh NAME @@ -46,6 +46,15 @@ The function converts a numeric character to its corresponding integer value. The character can be any decimal digit or hexadecimal digit. With hexadecimal characters, the case of the values does not matter. +.Pp +.Em NOTE : +if the value passed to the +.Fn digittoint +function is a +.Vt signed char , +as is usually the case, it must be cast to an +.Vt unsigned char +to avoid sign-extension errors. .Sh RETURN VALUES The .Fn digittoint |
