[balsa/gtk3] Use *scanf field limits to satisfy cppcheck

[Peter Bloomfield <PeterB src gnome org>]

commit 01343d0c4541600f71e9f36bef7c1386147e59a0
Author: Peter Bloomfield <PeterBloomfield bellsouth net>
Date:   Sun Jul 22 14:57:07 2012 -0400

    Use *scanf field limits to satisfy cppcheck
    
    	* libbalsa/address-book-extern.c (parse_externq_file): use
    	*scanf field limits to satisfy cppcheck.

 ChangeLog                      |    5 +++++
 libbalsa/address-book-extern.c |    6 +++++-
 2 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 0b59b56..2f05f25 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-07-22  Peter Bloomfield
+
+	* libbalsa/address-book-extern.c (parse_externq_file): use
+	*scanf field limits to satisfy cppcheck.
+
 2012-07-15  Peter Bloomfield
 
 	* src/mailbox-node.c (balsa_mailbox_local_append): simplify.
diff --git a/libbalsa/address-book-extern.c b/libbalsa/address-book-extern.c
index bd384d7..8877ed2 100644
--- a/libbalsa/address-book-extern.c
+++ b/libbalsa/address-book-extern.c
@@ -55,6 +55,7 @@
 
 /* FIXME: Arbitrary constant */
 #define LINE_LEN 256
+#define LINE_LEN_STR "256"
 
 static LibBalsaAddressBookClass *parent_class = NULL;
 
@@ -270,7 +271,10 @@ parse_externq_file(LibBalsaAddressBookExtern *addr_externq,
     }  /* FIXME check error */
 	
     while (fgets(string, sizeof(string), gc)) {
-        int i=sscanf(string, "%[^\t]\t%[^\t]%[^\n]", email, name, tmp);
+        int i=sscanf(string, "%" LINE_LEN_STR "[^\t]\t"
+                             "%" LINE_LEN_STR "[^\t]"
+                             "%" LINE_LEN_STR "[^\n]",
+                             email, name, tmp);
 #ifdef DEBUG
         printf("%s =>%i\n", string, i);
 #endif