Constify some more 'char *' parameters.

[libsigrok.git] / output / output_analog.c

diff --git a/output/output_analog.c b/output/output_analog.c
index 94bd8d8d23f034dc236d0274f8f381c8c904a285..0eb897f7607f547b175911865e650ef8373353c1 100644 (file)
--- a/output/output_analog.c
+++ b/output/output_analog.c
@@ -202,8 +202,8 @@ static int init_bits(struct sr_output *o)
        return init(o, DEFAULT_BPL_BITS, MODE_BITS);
 }
 
-static int data_bits(struct sr_output *o, char *data_in, uint64_t length_in,
-                    char **data_out, uint64_t *length_out)
+static int data_bits(struct sr_output *o, const char *data_in,
+                    uint64_t length_in, char **data_out, uint64_t *length_out)
 {
        struct context *ctx;
        unsigned int outsize, offset, p;
@@ -288,8 +288,8 @@ static int init_hex(struct sr_output *o)
        return init(o, DEFAULT_BPL_HEX, MODE_HEX);
 }
 
-static int data_hex(struct sr_output *o, char *data_in, uint64_t length_in,
-                   char **data_out, uint64_t *length_out)
+static int data_hex(struct sr_output *o, const char *data_in,
+                   uint64_t length_in, char **data_out, uint64_t *length_out)
 {
        struct context *ctx;
        unsigned int outsize, offset, p;
@@ -353,8 +353,8 @@ static int init_ascii(struct sr_output *o)
        return init(o, DEFAULT_BPL_ASCII, MODE_ASCII);
 }
 
-static int data_ascii(struct sr_output *o, char *data_in, uint64_t length_in,
-                    char **data_out, uint64_t *length_out)
+static int data_ascii(struct sr_output *o, const char *data_in,
+                     uint64_t length_in, char **data_out, uint64_t *length_out)
 {
        struct context *ctx;
        unsigned int outsize, offset, p;