X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=filter.c;h=80cef6abc47fc67f0f546148f85993a9a851f3e9;hb=a562c3a2e5e54dbb7e0553422ac0e0c845b180ad;hp=6b219842e5d6cc2195aa7bab265d2f78302464aa;hpb=e46b8fb154ba90ffec9c1f805399dfa819e736f9;p=libsigrok.git

diff --git a/filter.c b/filter.c
index 6b219842..80cef6ab 100644
--- a/filter.c
+++ b/filter.c
@@ -22,14 +22,25 @@
 #include <string.h>
 #include <sigrok.h>
 
-/*
+/**
+ * Remove unused probes from samples.
+ *
  * Convert sample from maximum probes -- the way the hardware driver sent
  * it -- to a sample taking up only as much space as required, with
  * unused probes removed.
+ *
+ * @param in_unitsize The unit size of the input (data_in).
+ * @param out_unitsize The unit size of the output (data_out).
+ * @param probelist Pointer to a list of integers (probe numbers).
+ * @param data_in The input data.
+ * @param length_in The input data length.
+ * @param data_out The output data.
+ * @param length_out The output data length.
+ * @return SR_OK upon success, SR_ERR_MALLOC upon memory allocation errors.
  */
-int filter_probes(int in_unitsize, int out_unitsize, int *probelist,
-		  char *data_in, uint64_t length_in, char **data_out,
-		  uint64_t *length_out)
+int sr_filter_probes(int in_unitsize, int out_unitsize, int *probelist,
+		     const unsigned char *data_in, uint64_t length_in,
+		     char **data_out, uint64_t *length_out)
 {
 	unsigned int in_offset, out_offset;
 	int num_enabled_probes, out_bit, i;