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authorDmitry Stogov <dmitry@php.net>2011-07-11 09:47:59 +0000
committerDmitry Stogov <dmitry@php.net>2011-07-11 09:47:59 +0000
commitadb87c8d060f7300cbf64484d5fa02c8d75f13fd (patch)
tree7d7611eea2f28cabdebd54726ea5620606bb1bc2 /main/spprintf.c
parentb9b749b70409e26d7b2fd6d92b3e9175455a5574 (diff)
downloadphp-git-adb87c8d060f7300cbf64484d5fa02c8d75f13fd.tar.gz
Fixed bug #54332 (Crash in zend_mm_check_ptr // Heap corruption)
Diffstat (limited to 'main/spprintf.c')
-rw-r--r--main/spprintf.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/main/spprintf.c b/main/spprintf.c
index 8c90fda378..8599d890ee 100644
--- a/main/spprintf.c
+++ b/main/spprintf.c
@@ -119,8 +119,11 @@
* 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;
*/
-#define NUM_BUF_SIZE 512
+#define NUM_BUF_SIZE 2048
/*
* The INS_CHAR macro inserts a character in the buffer.