[PATCH 111/114] Add implementation of inet_network function for Phoenix.

[Jakub Sejdak]

From: Kuba Sejdak <jakub.sejdak@phoesys.com>

---
 newlib/libc/sys/phoenix/net/inet_network.c | 102 +++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 newlib/libc/sys/phoenix/net/inet_network.c

diff --git a/newlib/libc/sys/phoenix/net/inet_network.c b/newlib/libc/sys/phoenix/net/inet_network.c
new file mode 100644
index 0000000..831b8ee
--- /dev/null
+++ b/newlib/libc/sys/phoenix/net/inet_network.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 1983, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/* Copied from Linux, modified for Phoenix-RTOS. */
+
+#include <arpa/inet.h>
+#include <ctype.h>
+#include <netinet/in.h>
+#include <sys/types.h>
+
+in_addr_t inet_network(const char *cp)
+{
+	register u_int32_t val, base, n, i;
+	register char c;
+	u_int32_t parts[4], *pp = parts;
+	int digit;
+
+again:
+	val = 0;
+	base = 10;
+	digit = 0;
+
+	if (*cp == '0')
+		digit = 1, base = 8, cp++;
+
+	if (*cp == 'x' || *cp == 'X')
+		base = 16, cp++;
+
+	while ((c = *cp) != 0) {
+		if (isdigit(c)) {
+			if (base == 8 && (c == '8' || c == '9'))
+				return INADDR_NONE;
+
+			val = (val * base) + (c - '0');
+			cp++;
+			digit = 1;
+			continue;
+		}
+
+		if (base == 16 && isxdigit(c)) {
+			val = (val << 4) + (tolower (c) + 10 - 'a');
+			cp++;
+			digit = 1;
+			continue;
+		}
+
+		break;
+	}
+
+	if (!digit)
+		return INADDR_NONE;
+
+	if (pp >= parts + 4 || val > 0xff)
+		return INADDR_NONE;
+
+	if (*cp == '.') {
+		*pp++ = val, cp++;
+		goto again;
+	}
+
+	if (*cp && !isspace(*cp))
+		return INADDR_NONE;
+
+	if (pp >= parts + 4 || val > 0xff)
+		return INADDR_NONE;
+
+	*pp++ = val;
+	n = pp - parts;
+
+	for (val = 0, i = 0; i < n; i++) {
+		val <<= 8;
+		val |= parts[i] & 0xff;
+	}
+
+	return val;
+}
-- 
2.5.0