Final set of bugfixes for string output ports

This commit is contained in:
Justin Ethier 2016-08-25 18:28:17 -04:00
parent 0e820f9794
commit 5699fcf8df
2 changed files with 10 additions and 17 deletions

View file

@ -33,19 +33,13 @@ if (type_is_pair_prim(clo)) { \
} \
}
object Cyc_heap_alloc_port(void *data);
object Cyc_heap_alloc_port(void *data, port_type *p);
port_type *Cyc_io_open_output_string(void *data)
{
// Allocate port on the heap so the location of mem_buf does not change
// make_port(p, NULL, 0);
port_type *p = (port_type *)Cyc_heap_alloc_port(data);
p->hdr.mark = ((gc_thread_data *)data)->gc_alloc_color;
p->hdr.grayed = 0;
p->tag = port_tag;
p->fp = NULL;
p->mode = 0; // Output
p->mem_buf = NULL;
p->mem_buf_len = 0;
port_type *p;
make_port(sp, NULL, 0);
p = (port_type *)Cyc_heap_alloc_port(data, &sp);
errno = 0;
#if CYC_HAVE_OPEN_MEMSTREAM
p->fp = open_memstream(&(p->mem_buf), &(p->mem_buf_len));
@ -58,15 +52,14 @@ port_type *Cyc_io_open_output_string(void *data)
void Cyc_io_get_output_string(void *data, object cont, object port)
{
port_type *p;
port_type *p = (port_type *)port;
Cyc_check_port(data, port);
if (((port_type *)port)->mem_buf == NULL) {
Cyc_rt_raise2(data, "Not an in-memory port", port);
}
p = (port_type *)port;
if (p->fp) {
fflush(p->fp);
}
if (p->mem_buf == NULL) {
Cyc_rt_raise2(data, "Not an in-memory port", port);
}
{
make_string_with_len(s, p->mem_buf, p->mem_buf_len);
return_closcall1(data, cont, &s);

View file

@ -927,13 +927,13 @@ object Cyc_write_char(void *data, object c, object port)
}
// Internal function, do not use this anywhere outside the runtime
object Cyc_heap_alloc_port(void *data)
object Cyc_heap_alloc_port(void *data, port_type *stack_p)
{
object p = NULL;
int heap_grown;
p = gc_alloc(Cyc_heap,
sizeof(port_type),
TODO: no, need an actual port object for this guy... guess we'll pass it in? //boolean_f, // OK to populate manually over here
(char *)stack_p,
(gc_thread_data *)data,
&heap_grown);
return p;