Fixed snprintf related bugs

[pkg/abook.git] / misc.c

diff --git a/misc.c b/misc.c
index eae1e90178b37ee344fa4f16766936118b6a4137..1213dd57297d734797f3cc1c6d5ab3de91b1e2e1 100644 (file)
--- a/misc.c
+++ b/misc.c
@@ -123,10 +123,13 @@ mkstr (const char *format, ... )
                                format, ap);
                MY_VA_END;
 
-               if (n > -1)
+               if (n > -1 && n < size)
                        return buffer;
 
-               size *= 2;
+               if (n > -1)
+                       size = n + 1;
+               else
+                       size *= 2;
                
                buffer =
 #ifdef ABOOK_SRC