]> git.saurik.com Git - apple/libc.git/blob - stdlib/FreeBSD/atof.3.patch
Libc-763.13.tar.gz
[apple/libc.git] / stdlib / FreeBSD / atof.3.patch
1 --- atof.3.orig 2010-02-08 16:26:10.000000000 -0800
2 +++ atof.3 2010-02-13 20:58:26.000000000 -0800
3 @@ -36,7 +36,8 @@
4 .Dt ATOF 3
5 .Os
6 .Sh NAME
7 -.Nm atof
8 +.Nm atof ,
9 +.Nm atof_l
10 .Nd convert
11 .Tn ASCII
12 string to double
13 @@ -45,33 +46,50 @@ string to double
14 .Sh SYNOPSIS
15 .In stdlib.h
16 .Ft double
17 -.Fn atof "const char *nptr"
18 +.Fn atof "const char *str"
19 +.In xlocale.h
20 +.Ft double
21 +.Fn atof_l "const char *str" "locale_t loc"
22 .Sh DESCRIPTION
23 The
24 .Fn atof
25 function converts the initial portion of the string pointed to by
26 -.Fa nptr
27 +.Fa str
28 to
29 .Vt double
30 representation.
31 .Pp
32 It is equivalent to:
33 .Bd -literal -offset indent
34 -strtod(nptr, (char **)NULL);
35 +strtod(str, (char **)NULL);
36 .Ed
37 .Pp
38 The decimal point
39 character is defined in the program's locale (category
40 .Dv LC_NUMERIC ) .
41 +.Pp
42 +While the
43 +.Fn atof
44 +function uses the current locale, the
45 +.Fn atof_l
46 +function may be passed a locale directly. See
47 +.Xr xlocale 3
48 +for more information.
49 .Sh IMPLEMENTATION NOTES
50 The
51 .Fn atof
52 -function is not thread-safe and also not async-cancel-safe.
53 +and
54 +.Fn atof_l
55 +functions are thread-safe and async-cancel-safe.
56 .Pp
57 The
58 .Fn atof
59 -function has been deprecated by
60 +and
61 +.Fn atof_l
62 +functions have been deprecated by
63 .Fn strtod
64 +and
65 +.Fn strtod_l
66 and should not be used in new code.
67 .Sh ERRORS
68 The function
69 @@ -84,7 +102,8 @@ on an error.
70 .Xr atol 3 ,
71 .Xr strtod 3 ,
72 .Xr strtol 3 ,
73 -.Xr strtoul 3
74 +.Xr strtoul 3 ,
75 +.Xr xlocale 3
76 .Sh STANDARDS
77 The
78 .Fn atof