]> sigrok.org Git - libsigrok.git/blobdiff - src/input/vcd.c
input/trace32_ad: use u64 instead of u32 for samplerate option
[libsigrok.git] / src / input / vcd.c
index 413712301318787f7201f9389de5748418dbfbeb..1064ad6a33ddc3e72599f2bc12826a73f840b32f 100644 (file)
@@ -205,15 +205,6 @@ static void free_channel(void *data)
        g_free(vcd_ch);
 }
 
-/* TODO Drop the local decl when this has become a common helper. */
-void sr_channel_group_free(struct sr_channel_group *cg);
-
-/* Wrapper for GDestroyNotify compatibility. */
-static void cg_free(void *p)
-{
-       sr_channel_group_free(p);
-}
-
 /*
  * Another timestamp delta was observed, update statistics: Update the
  * sorted list of minimum values, and increment the occurance counter.
@@ -1074,10 +1065,8 @@ static void create_channels(const struct sr_input *in,
                if (vcd_ch->type != ch_type)
                        continue;
                cg = NULL;
-               if (vcd_ch->size != 1) {
-                       cg = g_malloc0(sizeof(*cg));
-                       cg->name = g_strdup(vcd_ch->name);
-               }
+               if (vcd_ch->size != 1)
+                       cg = sr_channel_group_new(sdi, vcd_ch->name, NULL);
                for (size_idx = 0; size_idx < vcd_ch->size; size_idx++) {
                        ch_name = get_channel_name(vcd_ch, size_idx);
                        sr_dbg("sigrok channel idx %zu, name %s, type %s, en %d.",
@@ -1089,8 +1078,6 @@ static void create_channels(const struct sr_input *in,
                        if (cg)
                                cg->channels = g_slist_append(cg->channels, ch);
                }
-               if (cg)
-                       sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
        }
 }
 
@@ -1135,7 +1122,7 @@ static void keep_header_for_reread(const struct sr_input *in)
 
        inc = in->priv;
 
-       g_slist_free_full(inc->prev.sr_groups, cg_free);
+       g_slist_free_full(inc->prev.sr_groups, sr_channel_group_free_cb);
        inc->prev.sr_groups = in->sdi->channel_groups;
        in->sdi->channel_groups = NULL;
 
@@ -1174,7 +1161,7 @@ static gboolean check_header_in_reread(const struct sr_input *in)
                return FALSE;
        }
 
-       g_slist_free_full(in->sdi->channel_groups, cg_free);
+       g_slist_free_full(in->sdi->channel_groups, sr_channel_group_free_cb);
        in->sdi->channel_groups = inc->prev.sr_groups;
        inc->prev.sr_groups = NULL;
 
@@ -1189,7 +1176,7 @@ static gboolean check_header_in_reread(const struct sr_input *in)
 static int parse_header(const struct sr_input *in, GString *buf)
 {
        struct context *inc;
-       gboolean status;
+       gboolean enddef_seen, header_valid;
        char *name, *contents;
        size_t size;
        int ret;
@@ -1197,34 +1184,35 @@ static int parse_header(const struct sr_input *in, GString *buf)
        inc = in->priv;
 
        /* Parse sections until complete header was seen. */
-       status = FALSE;
+       enddef_seen = FALSE;
+       header_valid = TRUE;
        name = contents = NULL;
        inc->conv_bits.max_bits = 1;
        while (parse_section(buf, &name, &contents)) {
                sr_dbg("Section '%s', contents '%s'.", name, contents);
 
                if (g_strcmp0(name, "enddefinitions") == 0) {
-                       status = TRUE;
+                       enddef_seen = TRUE;
                        goto done_section;
                }
                if (g_strcmp0(name, "timescale") == 0) {
                        if (parse_timescale(inc, contents) != SR_OK)
-                               status = FALSE;
+                               header_valid = FALSE;
                        goto done_section;
                }
                if (g_strcmp0(name, "scope") == 0) {
                        if (parse_scope(inc, contents, FALSE) != SR_OK)
-                               status = FALSE;
+                               header_valid = FALSE;
                        goto done_section;
                }
                if (g_strcmp0(name, "upscope") == 0) {
                        if (parse_scope(inc, NULL, TRUE) != SR_OK)
-                               status = FALSE;
+                               header_valid = FALSE;
                        goto done_section;
                }
                if (g_strcmp0(name, "var") == 0) {
                        if (parse_header_var(inc, contents) != SR_OK)
-                               status = FALSE;
+                               header_valid = FALSE;
                        goto done_section;
                }
 
@@ -1234,14 +1222,14 @@ done_section:
                g_free(contents);
                contents = NULL;
 
-               if (status)
+               if (enddef_seen)
                        break;
        }
        g_free(name);
        g_free(contents);
 
-       inc->got_header = status;
-       if (!status)
+       inc->got_header = enddef_seen && header_valid;
+       if (!inc->got_header)
                return SR_ERR_DATA;
 
        /* Create sigrok channels here, late, logic before analog. */
@@ -2021,6 +2009,9 @@ static int process_buffer(struct sr_input *in, gboolean is_eof)
 
        inc = in->priv;
 
+       if (!inc->got_header)
+               return SR_ERR_DATA;
+
        /* Send feed header and samplerate (once) before sample data. */
        if (!inc->started) {
                std_session_send_df_header(in->sdi);
@@ -2181,11 +2172,14 @@ static int end(struct sr_input *in)
                ret = SR_OK;
 
        /* Flush most recently queued sample data when EOF is seen. */
-       count = inc->data_after_timestamp ? 1 : 0;
-       add_samples(in, count, TRUE);
+       if (inc->got_header && ret == SR_OK) {
+               count = inc->data_after_timestamp ? 1 : 0;
+               add_samples(in, count, TRUE);
+       }
 
        /* Optionally suggest downsampling after all input data was seen. */
-       (void)ts_stats_post(inc, !inc->data_after_timestamp);
+       if (inc->got_header)
+               (void)ts_stats_post(inc, !inc->data_after_timestamp);
 
        /* Must send DF_END when DF_HEADER was sent before. */
        if (inc->started)