diff options
Diffstat (limited to 'inet/ether_line.c')
-rw-r--r-- | inet/ether_line.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/inet/ether_line.c b/inet/ether_line.c deleted file mode 100644 index 0e2cbbbac6..0000000000 --- a/inet/ether_line.c +++ /dev/null @@ -1,76 +0,0 @@ -/* Copyright (C) 1996-2017 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, see - <http://www.gnu.org/licenses/>. */ - -#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) -{ - for (size_t 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; -} |