libsmartcols: add debug messages

Signed-off-by: Karel Zak <kzak@redhat.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/libsmartcols/src/line.c b/libsmartcols/src/line.c
index 611209081..0ed765dcd 100644
--- a/libsmartcols/src/line.c
+++ b/libsmartcols/src/line.c
@@ -41,6 +41,8 @@ struct libscols_line *scols_new_line(void)
 	ln = calloc(1, sizeof(*ln));
 	if (!ln)
 		return NULL;
+
+	DBG(LINE, ul_debugobj(ln, "alloc"));
 	ln->refcount = 1;
 	INIT_LIST_HEAD(&ln->ln_lines);
 	INIT_LIST_HEAD(&ln->ln_children);
@@ -70,9 +72,9 @@ void scols_unref_line(struct libscols_line *ln)
 {
 
 	if (ln && --ln->refcount <= 0) {
+		DBG(CELL, ul_debugobj(ln, "dealloc"));
 		list_del(&ln->ln_lines);
 		list_del(&ln->ln_children);
-
 		scols_line_free_cells(ln);
 		free(ln->color);
 		free(ln);
@@ -93,6 +95,8 @@ void scols_line_free_cells(struct libscols_line *ln)
 	if (!ln || !ln->cells)
 		return;
 
+	DBG(LINE, ul_debugobj(ln, "free cells"));
+
 	for (i = 0; i < ln->ncells; i++)
 		scols_reset_cell(&ln->cells[i]);
 
@@ -129,6 +133,8 @@ int scols_line_alloc_cells(struct libscols_line *ln, size_t n)
 		return 0;
 	}
 
+	DBG(LINE, ul_debugobj(ln, "alloc %zu cells", n));
+
 	ce = realloc(ln->cells, n * sizeof(struct libscols_cell));
 	if (!ce)
 		return -errno;
@@ -188,6 +194,9 @@ int scols_line_remove_child(struct libscols_line *ln, struct libscols_line *chil
 
 	if (!ln || !child)
 		return -EINVAL;
+
+	DBG(LINE, ul_debugobj(ln, "remove child %p", child));
+
 	list_del_init(&child->ln_children);
 	scols_unref_line(child);
 
@@ -217,6 +226,8 @@ int scols_line_add_child(struct libscols_line *ln, struct libscols_line *child)
 	if (child->parent)
 		scols_line_remove_child(child->parent, child);
 
+	DBG(LINE, ul_debugobj(ln, "add child %p", child));
+
 	/* new reference from parent to child */
 	list_add_tail(&child->ln_children, &ln->ln_branch);
 	scols_ref_line(child);
@@ -434,6 +445,8 @@ struct libscols_line *scols_copy_line(struct libscols_line *ln)
 	ret->ncells   = ln->ncells;
 	ret->seqnum   = ln->seqnum;
 
+	DBG(LINE, ul_debugobj(ln, "copy to %p", ret));
+
 	for (i = 0; i < ret->ncells; ++i) {
 		if (scols_cell_copy_content(&ret->cells[i], &ln->cells[i]))
 			goto err;