From 5d42e1520ad420bdc3feb1cf41f8dd1e53a5a1b1 Mon Sep 17 00:00:00 2001
From: Folkert van Heusden <folkert@zarafa.com>
Date: Fri, 1 May 2015 15:18:53 +0200
Subject: Optimized dump_indent to reduce the number of fwrite calls.

---
 src/dump.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/dump.c b/src/dump.c
index 018893f..1a4e176 100644
--- a/src/dump.c
+++ b/src/dump.c
@@ -50,15 +50,19 @@ static int dump_indent(size_t flags, int depth, int space, json_dump_callback_t
 {
     if(FLAGS_TO_INDENT(flags) > 0)
     {
-        int i, ws_count = FLAGS_TO_INDENT(flags);
+        unsigned int ws_count = FLAGS_TO_INDENT(flags), n_spaces = depth * ws_count;
 
         if(dump("\n", 1, data))
             return -1;
 
-        for(i = 0; i < depth; i++)
+        while(n_spaces > 0)
         {
-            if(dump(whitespace, ws_count, data))
+            int cur_n = n_spaces < sizeof whitespace - 1 ? n_spaces : sizeof whitespace - 1;
+
+            if(dump(whitespace, cur_n, data))
                 return -1;
+
+            n_spaces -= cur_n;
         }
     }
     else if(space && !(flags & JSON_COMPACT))
-- 
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