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-rw-r--r--src/output.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/output.c b/src/output.c
index 25a332a..9445e5d 100644
--- a/src/output.c
+++ b/src/output.c
@@ -258,6 +258,36 @@ struct output* output_find_by_name(const char* key, struct output* base, size_t
/**
+ * Remove a filter from an output
+ *
+ * @param out The output
+ * @param filter The filter
+ * @return The index of the filter, `out->table_size` if not found
+ */
+static ssize_t remove_filter(struct output* out, struct filter* filter)
+{
+ size_t i, n = out->table_size;
+
+ for (i = 0; i < n; i++)
+ if (!strcmp(filter->class, out->table_filters[i].class))
+ break;
+
+ if (i == out->table_size)
+ return (ssize_t)(out->table_size);
+
+ filter_destroy(out->table_filters + i);
+ libgamma_gamma_ramps8_destroy(&(out->table_sums[i].u8));
+
+ n = n - i - 1;
+ memmove(out->table_filters + i, out->table_filters + i + 1, n * sizeof(*(out->table_filters)));
+ memmove(out->table_sums + i, out->table_sums + i + 1, n * sizeof(*(out->table_sums)));
+ out->table_size--;
+
+ return (ssize_t)i;
+}
+
+
+/**
* Add a filter to an output
*
* @param out The output
@@ -269,6 +299,9 @@ ssize_t add_filter(struct output* out, struct filter* filter)
size_t i, n = out->table_size;
int r = -1;
+ if (filter->lifespan == LIFESPAN_REMOVE)
+ return remove_filter(out, filter);
+
for (i = 0; i < n; i++)
if (filter->priority > out->table_filters[i].priority)
break;