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path: root/lib/wx/c_src/wxe_driver.c
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Diffstat (limited to 'lib/wx/c_src/wxe_driver.c')
-rw-r--r--lib/wx/c_src/wxe_driver.c36
1 files changed, 27 insertions, 9 deletions
diff --git a/lib/wx/c_src/wxe_driver.c b/lib/wx/c_src/wxe_driver.c
index ec1ba7f566..3b71f49196 100644
--- a/lib/wx/c_src/wxe_driver.c
+++ b/lib/wx/c_src/wxe_driver.c
@@ -118,7 +118,11 @@ wxe_driver_start(ErlDrvPort port, char *buff)
ErlDrvTermData term_port = driver_mk_port(port);
set_port_control_flags(port, PORT_CONTROL_FLAG_BINARY);
data->driver_data = NULL;
- data->bin = NULL;
+ data->bin = (WXEBinRef*) driver_alloc(sizeof(WXEBinRef)*DEF_BINS);
+ data->bin[0].from = 0;
+ data->bin[1].from = 0;
+ data->bin[2].from = 0;
+ data->max_bins = DEF_BINS;
data->port_handle = port;
data->port = term_port;
data->pdl = driver_pdl_create(port);
@@ -208,26 +212,40 @@ static void
standard_outputv(ErlDrvData drv_data, ErlIOVec* ev)
{
wxe_data* sd = (wxe_data *) drv_data;
- WXEBinRef * binref;
+ WXEBinRef * binref = NULL;
ErlDrvBinary* bin;
-
+ int i, max;
+
+ for(i = 0; i < sd->max_bins; i++) {
+ if(sd->bin[i].from == 0) {
+ binref = &sd->bin[i];
+ break;
+ }
+ }
+
+ if(binref == NULL) { /* realloc */
+ max = sd->max_bins + DEF_BINS;
+ driver_realloc(sd->bin, sizeof(WXEBinRef)*max);
+ for(i=sd->max_bins; i < max; i++) {
+ sd->bin[i].from = 0;
+ }
+ binref = &sd->bin[sd->max_bins];
+ sd->max_bins = max;
+ }
+
if(ev->vsize == 2) {
- binref = driver_alloc(sizeof(WXEBinRef));
binref->base = ev->iov[1].iov_base;
binref->size = ev->iov[1].iov_len;
binref->from = driver_caller(sd->port_handle);
bin = ev->binv[1];
driver_binary_inc_refc(bin); /* Otherwise it could get deallocated */
binref->bin = bin;
- binref->next = sd->bin;
- sd->bin = binref;
- } else { /* Empty binary (becomes NULL) */
- binref = driver_alloc(sizeof(WXEBinRef));
+ sd->bin = binref;
+ } else { /* Empty binary (becomes NULL) */
binref->base = NULL;
binref->size = 0;
binref->from = driver_caller(sd->port_handle);
binref->bin = NULL;
- binref->next = sd->bin;
sd->bin = binref;
}
}