output/gnuplot: Use .dat as suggested file extension.

[libsigrok.git] / src / output / gnuplot.c

diff --git a/src/output/gnuplot.c b/src/output/gnuplot.c
index a9feec67ba056f2f55daeed75990fca6eb1619e9..631fefdaa3535e5ca7283138c1f22486bf54e203 100644 (file)
--- a/src/output/gnuplot.c
+++ b/src/output/gnuplot.c
@@ -44,18 +44,20 @@ static const char *gnuplot_header2 = "\
 # 0\t\tSample counter (for internal gnuplot purposes)\n";
 
 
-static int init(struct sr_output *o)
+static int init(struct sr_output *o, GHashTable *options)
 {
        struct context *ctx;
        struct sr_channel *ch;
        GSList *l;
        unsigned int i;
 
+       (void)options;
+
        if (!o || !o->sdi)
                return SR_ERR_ARG;
 
        ctx = g_malloc0(sizeof(struct context));
-       o->internal = ctx;
+       o->priv = ctx;
        ctx->num_enabled_channels = 0;
        for (l = o->sdi->channels; l; l = l->next) {
                ch = l->data;
@@ -84,7 +86,7 @@ static int init(struct sr_output *o)
        return SR_OK;
 }
 
-static GString *gen_header(struct sr_output *o)
+static GString *gen_header(const struct sr_output *o)
 {
        struct context *ctx;
        struct sr_channel *ch;
@@ -94,7 +96,7 @@ static GString *gen_header(struct sr_output *o)
        unsigned int num_channels, i;
        char *samplerate_s;
 
-       ctx = o->internal;
+       ctx = o->priv;
        if (ctx->samplerate == 0) {
                if (sr_config_get(o->sdi->driver, o->sdi, NULL, SR_CONF_SAMPLERATE,
                                &gvar) == SR_OK) {
@@ -130,7 +132,7 @@ static GString *gen_header(struct sr_output *o)
        return header;
 }
 
-static int receive(struct sr_output *o, const struct sr_datafeed_packet *packet,
+static int receive(const struct sr_output *o, const struct sr_datafeed_packet *packet,
                GString **out)
 {
        const struct sr_datafeed_meta *meta;
@@ -142,9 +144,9 @@ static int receive(struct sr_output *o, const struct sr_datafeed_packet *packet,
        unsigned int curbit, p, idx, i;
 
        *out = NULL;
-       if (!o || !o->internal)
+       if (!o || !o->priv)
                return SR_ERR_BUG;
-       ctx = o->internal;
+       ctx = o->priv;
 
        if (packet->type == SR_DF_META) {
                meta = packet->payload;
@@ -205,9 +207,9 @@ static int cleanup(struct sr_output *o)
 {
        struct context *ctx;
 
-       if (!o || !o->internal)
+       if (!o || !o->priv)
                return SR_ERR_BUG;
-       ctx = o->internal;
+       ctx = o->priv;
        g_free(ctx->channel_index);
        g_free(ctx->prevsample);
        g_free(ctx);
@@ -215,9 +217,12 @@ static int cleanup(struct sr_output *o)
        return SR_OK;
 }
 
-SR_PRIV struct sr_output_format output_gnuplot = {
+SR_PRIV struct sr_output_module output_gnuplot = {
        .id = "gnuplot",
-       .description = "Gnuplot",
+       .name = "Gnuplot",
+       .desc = "Gnuplot data file format",
+       .exts = (const char*[]){"dat", NULL},
+       .options = NULL,
        .init = init,
        .receive = receive,
        .cleanup = cleanup,