From: vhanquez@kneesa.uk.xensource.com <vhanquez@kneesa.uk.xensource.com>
Date: Tue, 24 Jan 2006 10:52:52 +0000 (+0000)
Subject: fixup reallocation to "twice the size + 1", instead of "3 times the size".
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~16541^2~6
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=69f3c56296800ab0283a35a599c0bdd0e00443b4;p=xen.git

fixup reallocation to "twice the size + 1", instead of "3 times the size".
max *= 2 + 1 <==> max *= 3

Signed-off-by: Vincent Hanquez <vincent@xensource.com>
---

diff --git a/tools/xenstore/utils.c b/tools/xenstore/utils.c
index 1bf8606b40..f8bf989c22 100644
--- a/tools/xenstore/utils.c
+++ b/tools/xenstore/utils.c
@@ -99,8 +99,10 @@ void *grab_file(const char *filename, unsigned long *size)
 	*size = 0;
 	while ((ret = read(fd, buffer + *size, max - *size)) > 0) {
 		*size += ret;
-		if (*size == max)
-			buffer = realloc(buffer, max *= 2 + 1);
+		if (*size == max) {
+			max *= 2;
+			buffer = realloc(buffer, max + 1);
+		}
 	}
 	if (ret < 0) {
 		free(buffer);