From 635d043f30c60f5ec8121bd94304e529f90407c7 Mon Sep 17 00:00:00 2001
From: Pierre Habouzit <madcoder@debian.org>
Date: Mon, 10 Sep 2007 12:35:08 +0200
Subject: Use strbufs to in read_message (imap-send.c), custom buffer--.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/imap-send.c b/imap-send.c
index a5a0696..ecd4216 100644
--- a/imap-send.c
+++ b/imap-send.c
@@ -23,6 +23,7 @@
  */
 
 #include "cache.h"
+#include "strbuf.h"
 
 typedef struct store_conf {
 	char *name;
@@ -1160,28 +1161,18 @@ imap_store_msg( store_t *gctx, msg_data_t *data, int *uid )
 static int
 read_message( FILE *f, msg_data_t *msg )
 {
-	int len, r;
+	struct strbuf buf;
 
-	memset( msg, 0, sizeof *msg );
-	len = CHUNKSIZE;
-	msg->data = xmalloc( len+1 );
-	msg->data[0] = 0;
-
-	while(!feof( f )) {
-		if (msg->len >= len) {
-			void *p;
-			len += CHUNKSIZE;
-			p = xrealloc(msg->data, len+1);
-			if (!p)
-				break;
-			msg->data = p;
-		}
-		r = fread( &msg->data[msg->len], 1, len - msg->len, f );
-		if (r <= 0)
+	memset(msg, 0, sizeof(*msg));
+	strbuf_init(&buf, 0);
+
+	do {
+		if (strbuf_fread(&buf, CHUNKSIZE, f) <= 0)
 			break;
-		msg->len += r;
-	}
-	msg->data[msg->len] = 0;
+	} while (!feof(f));
+
+	msg->len  = buf.len;
+	msg->data = strbuf_detach(&buf);
 	return msg->len;
 }
 
-- 
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