From: Gustavo Sverzut Barbieri <barbieri@profusion.mobi>
Date: Thu, 8 Dec 2011 18:35:08 +0000 (-0200)
Subject: reduce calls to realloc() if size did not change.
X-Git-Tag: v1~59
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=435ad788e25effe953816ed39b4ae914ce22cf04;p=thirdparty%2Fkmod.git

reduce calls to realloc() if size did not change.
---

diff --git a/libkmod/libkmod-index.c b/libkmod/libkmod-index.c
index c3252fed..a0cb510a 100644
--- a/libkmod/libkmod-index.c
+++ b/libkmod/libkmod-index.c
@@ -120,6 +120,9 @@ static bool buf_grow(struct buffer *buf, size_t newsize)
 	else
 		sz = ((newsize / BUF_STEP) + 1) * BUF_STEP;
 
+	if (buf->size == sz)
+		return true;
+
 	tmp = realloc(buf->bytes, sz);
 	if (sz > 0 && tmp == NULL)
 		return false;