Add strtof() to libc, some ports seem to like it. Currently it's a simple

call to strtod() with bounding check.
Discussed with pyr@ and otto@

ok otto@ deraadt@

1 files changed, 21 insertions, 6 deletions

diff --git a/lib/libc/stdlib/strtod.3 b/lib/libc/stdlib/strtod.3
index 504307a624a..3d8b2e07a0b 100644
--- a/lib/libc/stdlib/strtod.3
+++ b/lib/libc/stdlib/strtod.3
@@ -29,21 +29,25 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$OpenBSD: strtod.3,v 1.10 2007/11/11 12:23:36 tobias Exp $
+.\"	$OpenBSD: strtod.3,v 1.11 2008/06/13 21:04:24 landry Exp $
 .\"
-.Dd $Mdocdate: November 11 2007 $
+.Dd $Mdocdate: June 13 2008 $
 .Dt STRTOD 3
 .Os
 .Sh NAME
-.Nm strtod
+.Nm strtod ,
+.Nm strtof
 .Nd convert
 .Tn ASCII
-string to double
+string to double or float
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Fd #include <stdlib.h>
 .Ft double
 .Fn strtod "const char *nptr" "char **endptr"
+.Pp
+.Ft float
+.Fn strtof "const char *nptr" "char **endptr"
 .Sh DESCRIPTION
 The
 .Fn strtod
@@ -52,6 +56,13 @@ function converts the initial portion of the string pointed to by
 to
 .Li double
 representation.
+The
+.Fn strtof
+function converts the initial portion of the string pointed to by
+.Fa nptr
+to
+.Li float
+representation.
 .Pp
 The expected form of the string is an optional plus
 .Pq Ql +
@@ -71,7 +82,9 @@ function) are skipped.
 .Sh RETURN VALUES
 The
 .Fn strtod
-function returns the converted value, if any.
+and
+.Fn strtof
+functions returns the converted value, if any.
 .Pp
 If
 .Fa endptr
@@ -110,5 +123,7 @@ Overflow or underflow occurred.
 .Sh STANDARDS
 The
 .Fn strtod
-function conforms to
+and
+.Fn strtof
+functions conforms to
 .St -ansiC .