struct expr *expr_alloc_symbol(struct symbol *sym)
{
- struct expr *e = calloc(1, sizeof(*e));
+ struct expr *e = xcalloc(1, sizeof(*e));
e->type = E_SYMBOL;
e->left.sym = sym;
return e;
struct expr *expr_alloc_one(enum expr_type type, struct expr *ce)
{
- struct expr *e = calloc(1, sizeof(*e));
+ struct expr *e = xcalloc(1, sizeof(*e));
e->type = type;
e->left.expr = ce;
return e;
struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e2)
{
- struct expr *e = calloc(1, sizeof(*e));
+ struct expr *e = xcalloc(1, sizeof(*e));
e->type = type;
e->left.expr = e1;
e->right.expr = e2;
struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2)
{
- struct expr *e = calloc(1, sizeof(*e));
+ struct expr *e = xcalloc(1, sizeof(*e));
e->type = type;
e->left.sym = s1;
e->right.sym = s2;
if (!org)
return NULL;
- e = malloc(sizeof(*org));
+ e = xmalloc(sizeof(*org));
memcpy(e, org, sizeof(*org));
switch (org->type) {
case E_SYMBOL: