diff options
Diffstat (limited to 'libc/inet/inet_ntoa.c')
-rw-r--r-- | libc/inet/inet_ntoa.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/libc/inet/inet_ntoa.c b/libc/inet/inet_ntoa.c new file mode 100644 index 000000000..38794957c --- /dev/null +++ b/libc/inet/inet_ntoa.c @@ -0,0 +1,39 @@ +/* Convert Inet number to ASCII representation. + Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <stdio.h> +#include <stdlib.h> +#include <arpa/inet.h> + +/* The interface of this function is completely stupid, it requires a + static buffer. We relax this a bit in that we allow one buffer for + each thread. */ +static __thread char buffer[18]; + + +char * +inet_ntoa (struct in_addr in) +{ + unsigned char *bytes = (unsigned char *) ∈ + __snprintf (buffer, sizeof (buffer), "%d.%d.%d.%d", + bytes[0], bytes[1], bytes[2], bytes[3]); + + return buffer; +} |