[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/inet/ether_line.c b/ap/libc/glibc/glibc-2.23/inet/ether_line.c
new file mode 100644
index 0000000..fc71072
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/inet/ether_line.c
@@ -0,0 +1,76 @@
+/* Copyright (C) 1996-2016 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;
+}