From dd0d99ab10b50c5ffc5859da9976133db8e3fdf4 Mon Sep 17 00:00:00 2001
From: Sam Gwydir <sam.gwydir@snowflake.com>
Date: Thu, 10 Jun 2021 14:04:38 -0700
Subject: [PATCH] FDBCORE-617: Allocate mako prefix on stack
---
bindings/c/test/mako/utils.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/bindings/c/test/mako/utils.c b/bindings/c/test/mako/utils.c
index 0aef4b36dc..f238fcd6f7 100644
--- a/bindings/c/test/mako/utils.c
+++ b/bindings/c/test/mako/utils.c
@@ -73,12 +73,11 @@ int digits(int num) {
void genkey(char* str, char* prefix, int prefixlen, int prefixpadding, int num, int rows, int len) {
const int rowdigit = digits(rows);
const int prefixoffset = prefixpadding ? len - (prefixlen + rowdigit) - 1 : 0;
- char* prefixstr = (char*)malloc(sizeof(char) * (prefixlen + rowdigit + 1));
+ char* prefixstr = (char*)alloca(sizeof(char) * (prefixlen + rowdigit + 1));
snprintf(prefixstr, prefixlen + rowdigit + 1, "%s%0.*d", prefix, rowdigit, num);
memset(str, 'x', len);
memcpy(str + prefixoffset, prefixstr, prefixlen + rowdigit);
str[len - 1] = '\0';
- free(prefixstr);
}
/* This is another sorting algorithm used to calculate latency parameters */