From 3f13507dd281adf0518c9162dce5391e9250e93b Mon Sep 17 00:00:00 2001
From: Jakub Zelenka <bukka@php.net>
Date: Sun, 26 Jun 2016 14:03:01 +0100
Subject: Use one place to define max length of double

Introduce new constant PHP_DOUBLE_MAX_LENGTH for that purpose
---
 main/spprintf.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

(limited to 'main/spprintf.c')

diff --git a/main/spprintf.c b/main/spprintf.c
index cac4210dfb..73a5ff52e3 100644
--- a/main/spprintf.c
+++ b/main/spprintf.c
@@ -152,13 +152,9 @@
 
 /*
  * NUM_BUF_SIZE is the size of the buffer used for arithmetic conversions
- *
- * XXX: this is a magic number; do not decrease it
- * Emax = 1023
- * NDIG = 320
- * NUM_BUF_SIZE >= strlen("-") + Emax + strlrn(".") + NDIG + strlen("E+1023") + 1;
+ * which can be at most max length of double
  */
-#define NUM_BUF_SIZE		2048
+#define NUM_BUF_SIZE PHP_DOUBLE_MAX_LENGTH
 
 #define NUM(c) (c - '0')
 
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