mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-12 16:20:06 +00:00
26e21e7554
2007-12-07 Ulrich Drepper <drepper@redhat.com> [BZ #5441] * stdio-common/vfscanf.c (_IO_vfwscanf): Don't free ptrs_to_free structure, it's allocated with alloca. * stdio-common/Makefile (tests): Add bug21. * stdio-common/bug21.c: New file. 2007-12-06 Aurelien Jarno <aurelien@aurel32.net> [BZ #5452] * sysdeps/unix/sysv/linux/bits/sched.h: Use __extension__ keyword for gcc's braced-groups. 2007-12-07 Ulrich Drepper <drepper@redhat.com> [BZ #5454] * inet/ether_line.c: Strip hostname of whitespaces. * inet/Makefile (tests): Add tst-ether_line. * inet/tst-ether_line.c: New file.
81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/* Copyright (C) 1996, 1999, 2002 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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 <ctype.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <netinet/ether.h>
|
|
#include <netinet/if_ether.h>
|
|
|
|
|
|
int
|
|
ether_line (const char *line, struct ether_addr *addr, char *hostname)
|
|
{
|
|
size_t cnt;
|
|
char *cp;
|
|
|
|
for (cnt = 0; cnt < 6; ++cnt)
|
|
{
|
|
unsigned int number;
|
|
char ch;
|
|
|
|
ch = _tolower (*line++);
|
|
if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
|
|
return -1;
|
|
number = isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
|
|
|
|
ch = _tolower (*line);
|
|
if ((cnt < 5 && ch != ':') || (cnt == 5 && ch != '\0' && !isspace (ch)))
|
|
{
|
|
++line;
|
|
if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'f'))
|
|
return -1;
|
|
number <<= 4;
|
|
number += isdigit (ch) ? (ch - '0') : (ch - 'a' + 10);
|
|
|
|
ch = *line;
|
|
if (cnt < 5 && ch != ':')
|
|
return -1;
|
|
}
|
|
|
|
/* Store result. */
|
|
addr->ether_addr_octet[cnt] = (unsigned char) number;
|
|
|
|
/* Skip ':'. */
|
|
if (ch != '\0')
|
|
++line;
|
|
}
|
|
|
|
/* Skip initial whitespace. */
|
|
while (isspace (*line))
|
|
++line;
|
|
|
|
if (*line == '#' || *line == '\0')
|
|
/* No hostname. */
|
|
return -1;
|
|
|
|
/* The hostname is up to the next non-space character. */
|
|
/* XXX This can cause trouble because the hostname might be too long
|
|
but we have no possibility to check it here. */
|
|
while (*line != '\0' && *line != '#' && !isspace (*line))
|
|
*hostname++ = *line++;
|
|
*hostname = '\0';
|
|
|
|
return 0;
|
|
}
|