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srcpos: Define srcpos_free

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srcpos can be chained together using srcpos_extend. However, in such
cases, we need to free all the chained nodes.

srcpos_free is a helper to recursively free all the linked srcpos.

Signed-off-by: Ayush Singh <ayush@beagleboard.org>
Message-ID: <20250605-previous-value-v3-1-0983d0733a07@beagleboard.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Ayush Singh 2025-06-05 16:18:06 +05:30 • committed by David Gibson
parent e0b7749c26
commit b841391bbd
3 changed files with 13 additions and 1 deletions
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2
livetree.c
View file

@ -174,7 +174,7 @@ struct node *merge_nodes(struct node *old_node, struct node *new_node)
old_prop->val = new_prop->val; old_prop->val = new_prop->val;
old_prop->deleted = 0; old_prop->deleted = 0;
free(old_prop->srcpos); srcpos_free(old_prop->srcpos);
old_prop->srcpos = new_prop->srcpos; old_prop->srcpos = new_prop->srcpos;
free(new_prop); free(new_prop);
new_prop = NULL; new_prop = NULL;

11
srcpos.c
View file

@ -287,6 +287,17 @@ struct srcpos *srcpos_extend(struct srcpos *pos, struct srcpos *newtail)
return pos; return pos;
} }
void srcpos_free(struct srcpos *pos)
{
struct srcpos *p_next;
while (pos) {
p_next = pos->next;
free(pos);
pos = p_next;
}
}
char * char *
srcpos_string(struct srcpos *pos) srcpos_string(struct srcpos *pos)
{ {

1
srcpos.h
View file

@ -88,6 +88,7 @@ extern void srcpos_update(struct srcpos *pos, const char *text, int len);
extern struct srcpos *srcpos_copy(struct srcpos *pos); extern struct srcpos *srcpos_copy(struct srcpos *pos);
extern struct srcpos *srcpos_extend(struct srcpos *new_srcpos, extern struct srcpos *srcpos_extend(struct srcpos *new_srcpos,
struct srcpos *old_srcpos); struct srcpos *old_srcpos);
extern void srcpos_free(struct srcpos *pos);
extern char *srcpos_string(struct srcpos *pos); extern char *srcpos_string(struct srcpos *pos);
extern char *srcpos_string_first(struct srcpos *pos, int level); extern char *srcpos_string_first(struct srcpos *pos, int level);
extern char *srcpos_string_last(struct srcpos *pos, int level); extern char *srcpos_string_last(struct srcpos *pos, int level);