[B.A.T.M.A.N.] [PATCHv2-trunk] batman-adv: Convert MAC_FMT to %pM

[Sven Eckelmann <sven.eckelmann@gmx.de>]

From: Joe Perches <joe@perches.com>

Remove the last uses of MAC_FMT

Signed-off-by: Joe Perches <joe@perches.com>
[sven.eckelmann@gmx.de: Adapted for current batman-adv version]
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
---
 Marek, can you please test it with 2.6.21?
 It was rebased on top of "bonding and interface alternating"

 batman-adv-kernelland/bat_printk.c        |   50 +++++++++++++++++++++++++++++
 batman-adv-kernelland/compat.h            |   12 +++---
 batman-adv-kernelland/main.c              |    3 +-
 batman-adv-kernelland/translation-table.c |   24 ++-----------
 4 files changed, 61 insertions(+), 28 deletions(-)

diff --git a/batman-adv-kernelland/bat_printk.c b/batman-adv-kernelland/bat_printk.c
index 55c351a..4a02d7e 100644
--- a/batman-adv-kernelland/bat_printk.c
+++ b/batman-adv-kernelland/bat_printk.c
@@ -859,3 +859,53 @@ asmlinkage int bat_printk(const char *fmt, ...)
 
 	return printk("%s", buf);
 }
+
+/**
+ * sprintf - Format a string and place it in a buffer
+ * @buf: The buffer to place the result into
+ * @fmt: The format string to use
+ * @...: Arguments for the format string
+ *
+ * The function returns the number of characters written
+ * into @buf. Use snprintf() or scnprintf() in order to avoid
+ * buffer overflows.
+ *
+ * See the vsnprintf() documentation for format string extensions over C99.
+ */
+int bat_sprintf(char *buf, const char *fmt, ...)
+{
+	va_list args;
+	int i;
+
+	va_start(args, fmt);
+	i = bat_vsnprintf(buf, INT_MAX, fmt, args);
+	va_end(args);
+
+	return i;
+}
+
+/**
+ * snprintf - Format a string and place it in a buffer
+ * @buf: The buffer to place the result into
+ * @size: The size of the buffer, including the trailing null space
+ * @fmt: The format string to use
+ * @...: Arguments for the format string
+ *
+ * The return value is the number of characters which would be
+ * generated for the given input, excluding the trailing null,
+ * as per ISO C99.  If the return is greater than or equal to
+ * @size, the resulting string is truncated.
+ *
+ * See the vsnprintf() documentation for format string extensions over C99.
+ */
+int bat_snprintf(char *buf, size_t size, const char *fmt, ...)
+{
+	va_list args;
+	int i;
+
+	va_start(args, fmt);
+	i = bat_vsnprintf(buf, size, fmt, args);
+	va_end(args);
+
+	return i;
+}
diff --git a/batman-adv-kernelland/compat.h b/batman-adv-kernelland/compat.h
index a211a36..614d116 100644
--- a/batman-adv-kernelland/compat.h
+++ b/batman-adv-kernelland/compat.h
@@ -74,12 +74,6 @@ static inline int skb_clone_writable(struct sk_buff *skb, unsigned int len)
 
 #endif /* < KERNEL_VERSION(2, 6, 23) */
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 24)
-
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-
-#endif /* < KERNEL_VERSION(2, 6, 24) */
-
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)
 
 #define strict_strtoul(cp, base, res) \
@@ -235,6 +229,12 @@ next_sibling:
 asmlinkage int bat_printk(const char *fmt, ...);
 #define printk bat_printk
 
+int bat_sprintf(char *buf, const char *fmt, ...);
+#define sprintf bat_sprintf
+
+int bat_snprintf(char *buf, size_t size, const char *fmt, ...);
+#define snprintf bat_snprintf
+
 static inline struct net_device_stats *dev_get_stats(struct net_device *dev)
 {
 	if (dev->get_stats)
diff --git a/batman-adv-kernelland/main.c b/batman-adv-kernelland/main.c
index c9132c0..20a0d54 100644
--- a/batman-adv-kernelland/main.c
+++ b/batman-adv-kernelland/main.c
@@ -227,8 +227,7 @@ void dec_module_count(void)
 
 int addr_to_string(char *buff, uint8_t *addr)
 {
-	return sprintf(buff, MAC_FMT,
-		       addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+	return sprintf(buff, "%pM", addr);
 }
 
 /* returns 1 if they are the same originator */
diff --git a/batman-adv-kernelland/translation-table.c b/batman-adv-kernelland/translation-table.c
index 009789e..8edc175 100644
--- a/batman-adv-kernelland/translation-table.c
+++ b/batman-adv-kernelland/translation-table.c
@@ -200,13 +200,8 @@ int hna_local_seq_print_text(struct seq_file *seq, void *offset)
 	while (hash_iterate(hna_local_hash, &hashit)) {
 		hna_local_entry = hashit.bucket->data;
 
-		pos += snprintf(buff + pos, 22, " * " MAC_FMT "\n",
-				hna_local_entry->addr[0],
-				hna_local_entry->addr[1],
-				hna_local_entry->addr[2],
-				hna_local_entry->addr[3],
-				hna_local_entry->addr[4],
-				hna_local_entry->addr[5]);
+		pos += snprintf(buff + pos, 22, " * %pM\n",
+				hna_local_entry->addr);
 	}
 
 	spin_unlock_irqrestore(&hna_local_hash_lock, flags);
@@ -418,19 +413,8 @@ int hna_global_seq_print_text(struct seq_file *seq, void *offset)
 		hna_global_entry = hashit.bucket->data;
 
 		pos += snprintf(buff + pos, 44,
-				" * " MAC_FMT " via " MAC_FMT "\n",
-				hna_global_entry->addr[0],
-				hna_global_entry->addr[1],
-				hna_global_entry->addr[2],
-				hna_global_entry->addr[3],
-				hna_global_entry->addr[4],
-				hna_global_entry->addr[5],
-				hna_global_entry->orig_node->orig[0],
-				hna_global_entry->orig_node->orig[1],
-				hna_global_entry->orig_node->orig[2],
-				hna_global_entry->orig_node->orig[3],
-				hna_global_entry->orig_node->orig[4],
-				hna_global_entry->orig_node->orig[5]);
+				" * %pM via %pM\n", hna_global_entry->addr,
+				hna_global_entry->orig_node->orig);
 	}
 
 	spin_unlock_irqrestore(&hna_global_hash_lock, flags);
-- 
1.7.1