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From 1233b37167097dffa9a78bd7bd0a8117c75fe8ff Mon Sep 17 00:00:00 2001
From: Petr Machata <pmachata@redhat.com>
Date: Sat, 8 Dec 2012 03:13:29 +0100
Subject: [PATCH] expr_node_zero and expr_self should be stack-allocated
---
expr.c | 14 ++++++--------
zero.c | 14 ++++++--------
2 files changed, 12 insertions(+), 16 deletions(-)
--- a/expr.c
+++ b/expr.c
@@ -21,7 +21,6 @@
#include <string.h>
#include <assert.h>
#include <errno.h>
-#include <error.h>
#include <stdlib.h>
#include "expr.h"
@@ -327,12 +326,11 @@ expr_eval_constant(struct expr_node *node, long *valuep)
struct expr_node *
expr_self(void)
{
- static struct expr_node *node = NULL;
- if (node == NULL) {
- node = malloc(sizeof(*node));
- if (node == NULL)
- error(1, errno, "malloc expr_self");
- expr_init_self(node);
+ static struct expr_node *nodep = NULL;
+ if (nodep == NULL) {
+ static struct expr_node node;
+ expr_init_self(&node);
+ nodep = &node;
}
- return node;
+ return nodep;
}
--- a/zero.c
+++ b/zero.c
@@ -18,7 +18,6 @@
* 02110-1301 USA
*/
-#include <error.h>
#include <errno.h>
#include "zero.h"
@@ -93,13 +92,12 @@ build_zero_w_arg(struct expr_node *expr, int own)
struct expr_node *
expr_node_zero(void)
{
- static struct expr_node *node = NULL;
- if (node == NULL) {
- node = malloc(sizeof(*node));
- if (node == NULL)
- error(1, errno, "malloc expr_node_zero");
- expr_init_cb1(node, &zero1_callback,
+ static struct expr_node *nodep = NULL;
+ if (nodep == NULL) {
+ static struct expr_node node;
+ expr_init_cb1(&node, &zero1_callback,
expr_self(), 0, (void *)-1);
+ nodep = &node;
}
- return node;
+ return nodep;
}
--
2.25.2
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