X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=output%2Foutput_ols.c;h=966eb0b75e0dffe42849db14f5d2dd8850c2dd9c;hb=c91404191e6b31ffe40edd8de469876a02c81d57;hp=bc006dc2ae6133c0d6728723f4541224bbb96b22;hpb=305bde4d42ac801312743cc05671de214f6501fd;p=libsigrok.git

diff --git a/output/output_ols.c b/output/output_ols.c
index bc006dc2..966eb0b7 100644
--- a/output/output_ols.c
+++ b/output/output_ols.c
@@ -97,7 +97,7 @@ static int event(struct sr_output *o, int event_type, char **data_out,
 	return SR_OK;
 }
 
-static int data(struct sr_output *o, char *data_in, uint64_t length_in,
+static int data(struct sr_output *o, const char *data_in, uint64_t length_in,
 		char **data_out, uint64_t *length_out)
 {
 	GString *out;