X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=blobdiff_plain;f=lib%2Fvsprintf.c;h=af4aaa6c36f36c924d9a63da70f84e2b3459fca1;hp=3b8aeec4e32762c3066f8ec633ec0baed99e746e;hb=51c24aaacaea90c8e87f1dec75a2ac7622b593f8;hpb=6be325719b3e54624397e413efd4b33a997e55a3

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 3b8aeec..af4aaa6 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -681,24 +681,55 @@ static char *mac_address_string(char *buf, char *end, u8 *addr,
 	char mac_addr[sizeof("xx:xx:xx:xx:xx:xx")];
 	char *p = mac_addr;
 	int i;
+	char separator;
+
+	if (fmt[1] == 'F') {		/* FDDI canonical format */
+		separator = '-';
+	} else {
+		separator = ':';
+	}
 
 	for (i = 0; i < 6; i++) {
 		p = pack_hex_byte(p, addr[i]);
 		if (fmt[0] == 'M' && i != 5)
-			*p++ = ':';
+			*p++ = separator;
 	}
 	*p = '\0';
 
 	return string(buf, end, mac_addr, spec);
 }
 
-static char *ip4_string(char *p, const u8 *addr, bool leading_zeros)
+static char *ip4_string(char *p, const u8 *addr, const char *fmt)
 {
 	int i;
-
+	bool leading_zeros = (fmt[0] == 'i');
+	int index;
+	int step;
+
+	switch (fmt[2]) {
+	case 'h':
+#ifdef __BIG_ENDIAN
+		index = 0;
+		step = 1;
+#else
+		index = 3;
+		step = -1;
+#endif
+		break;
+	case 'l':
+		index = 3;
+		step = -1;
+		break;
+	case 'n':
+	case 'b':
+	default:
+		index = 0;
+		step = 1;
+		break;
+	}
 	for (i = 0; i < 4; i++) {
 		char temp[3];	/* hold each IP quad in reverse order */
-		int digits = put_dec_trunc(temp, addr[i]) - temp;
+		int digits = put_dec_trunc(temp, addr[index]) - temp;
 		if (leading_zeros) {
 			if (digits < 3)
 				*p++ = '0';
@@ -710,6 +741,7 @@ static char *ip4_string(char *p, const u8 *addr, bool leading_zeros)
 			*p++ = temp[digits];
 		if (i < 3)
 			*p++ = '.';
+		index += step;
 	}
 	*p = '\0';
 
@@ -789,7 +821,7 @@ static char *ip6_compressed_string(char *p, const char *addr)
 	if (useIPv4) {
 		if (needcolon)
 			*p++ = ':';
-		p = ip4_string(p, &in6.s6_addr[12], false);
+		p = ip4_string(p, &in6.s6_addr[12], "I4");
 	}
 	*p = '\0';
 
@@ -829,7 +861,7 @@ static char *ip4_addr_string(char *buf, char *end, const u8 *addr,
 {
 	char ip4_addr[sizeof("255.255.255.255")];
 
-	ip4_string(ip4_addr, addr, fmt[0] == 'i');
+	ip4_string(ip4_addr, addr, fmt);
 
 	return string(buf, end, ip4_addr, spec);
 }
@@ -896,12 +928,15 @@ static char *uuid_string(char *buf, char *end, const u8 *addr,
  * - 'M' For a 6-byte MAC address, it prints the address in the
  *       usual colon-separated hex notation
  * - 'm' For a 6-byte MAC address, it prints the hex address without colons
+ * - 'MF' For a 6-byte MAC FDDI address, it prints the address
+ *       with a dash-separated hex notation
  * - 'I' [46] for IPv4/IPv6 addresses printed in the usual way
  *       IPv4 uses dot-separated decimal without leading 0's (1.2.3.4)
  *       IPv6 uses colon separated network-order 16 bit hex with leading 0's
  * - 'i' [46] for 'raw' IPv4/IPv6 addresses
  *       IPv6 omits the colons (01020304...0f)
  *       IPv4 uses dot-separated decimal with leading 0's (010.123.045.006)
+ * - '[Ii]4[hnbl]' IPv4 addresses in host, network, big or little endian order
  * - 'I6c' for IPv6 addresses printed as specified by
  *       http://tools.ietf.org/html/draft-ietf-6man-text-addr-representation-00
  * - 'U' For a 16 byte UUID/GUID, it prints the UUID/GUID in the form
@@ -939,6 +974,7 @@ static char *pointer(const char *fmt, char *buf, char *end, void *ptr,
 		return resource_string(buf, end, ptr, spec, fmt);
 	case 'M':			/* Colon separated: 00:01:02:03:04:05 */
 	case 'm':			/* Contiguous: 000102030405 */
+					/* [mM]F (FDDI, bit reversed) */
 		return mac_address_string(buf, end, ptr, spec, fmt);
 	case 'I':			/* Formatted IP supported
 					 * 4:	1.2.3.4