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output/vcd: Use the logic stream's unitsize. 

Also code cleanup and some memory leaks fixed.
This commit is contained in:
Bert Vermeulen 2014-04-16 15:29:53 +02:00
parent b240ee0856
commit 2b78ffea54
1 changed files with 14 additions and 11 deletions
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25
output/vcd.c
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@ -36,7 +36,6 @@ struct context {
int period;
uint64_t samplerate;
uint64_t samplecount;
unsigned int unitsize;
};
static const char *const vcd_header_comment =
@ -52,7 +51,7 @@ static int init(struct sr_output *o)
char *samplerate_s, *frequency_s, *timestamp;
time_t t;
if (!(ctx = g_try_malloc0(sizeof(struct context)))) {
if (!(ctx = g_malloc0(sizeof(struct context)))) {
sr_err("%s: ctx malloc failed", __func__);
return SR_ERR_MALLOC;
}
@ -76,7 +75,6 @@ static int init(struct sr_output *o)
return SR_ERR;
}
ctx->unitsize = (ctx->num_enabled_channels + 7) / 8;
ctx->header = g_string_sized_new(512);
num_channels = g_slist_length(o->sdi->channels);
@ -138,13 +136,6 @@ static int init(struct sr_output *o)
g_string_append(ctx->header, "$upscope $end\n"
"$enddefinitions $end\n");
if (!(ctx->prevsample = g_try_malloc0(ctx->unitsize))) {
g_string_free(ctx->header, TRUE);
g_free(ctx);
sr_err("%s: ctx->prevsample malloc failed", __func__);
return SR_ERR_MALLOC;
}
return SR_OK;
}
@ -184,6 +175,16 @@ static int receive(struct sr_output *o, const struct sr_dev_inst *sdi,
}
logic = packet->payload;
if (!ctx->prevsample) {
/* Can't allocate this until we know the stream's unitsize. */
if (!(ctx->prevsample = g_malloc0(logic->unitsize))) {
g_free(ctx);
sr_err("%s: ctx->prevsample malloc failed", __func__);
return SR_ERR_MALLOC;
}
}
for (i = 0; i <= logic->length - logic->unitsize; i += logic->unitsize) {
sample = logic->data + i;
timestamp_written = FALSE;
@ -218,7 +219,7 @@ static int receive(struct sr_output *o, const struct sr_dev_inst *sdi,
g_string_append_c(*out, '\n');
ctx->samplecount++;
memcpy(ctx->prevsample, sample, ctx->unitsize);
memcpy(ctx->prevsample, sample, logic->unitsize);
}
return SR_OK;
@ -232,6 +233,8 @@ static int cleanup(struct sr_output *o)
return SR_ERR_ARG;
ctx = o->internal;
g_free(ctx->prevsample);
g_array_free(ctx->channelindices, TRUE);
g_free(ctx);
return SR_OK;