diff options
Diffstat (limited to 'lib/libc/string/strdup.3')
| -rw-r--r-- | lib/libc/string/strdup.3 | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/lib/libc/string/strdup.3 b/lib/libc/string/strdup.3 index 818be57..c6b2ad0 100644 --- a/lib/libc/string/strdup.3 +++ b/lib/libc/string/strdup.3 @@ -28,11 +28,12 @@ .\" @(#)strdup.3 8.1 (Berkeley) 6/9/93 .\" $FreeBSD$ .\" -.Dd June 9, 1993 +.Dd Dec 5, 2008 .Dt STRDUP 3 .Os .Sh NAME -.Nm strdup +.Nm strdup , +.Nm strndup .Nd save a copy of a string .Sh LIBRARY .Lb libc @@ -40,6 +41,8 @@ .In string.h .Ft char * .Fn strdup "const char *str" +.Ft char * +.Fn strndup "const char *str" "size_t len" .Sh DESCRIPTION The .Fn strdup @@ -56,6 +59,16 @@ If insufficient memory is available, NULL is returned and .Va errno is set to .Er ENOMEM . +.Pp +The +.Fn strndup +function copies at most +.Fa len +characters from the string +.Fa str +always +.Dv NUL +terminating the copied string. .Sh SEE ALSO .Xr free 3 , .Xr malloc 3 @@ -64,3 +77,7 @@ The .Fn strdup function first appeared in .Bx 4.4 . +The +.Fn strndup +function was added in +.Fx 8.0 . |
