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Cleanup, flush buffer prior to getting str

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This commit is contained in:
Justin Ethier 2016-08-25 23:58:24 -04:00
parent 1d4d710b3b
commit 4a2ef06b17
1 changed files with 5 additions and 33 deletions
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38
mem-streams.c
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@ -48,46 +48,18 @@ port_type Cyc_io_open_output_string(void *data)
void Cyc_io_get_output_string(void *data, object cont, object port) void Cyc_io_get_output_string(void *data, object cont, object port)
{ {
port_type *p;
Cyc_check_port(data, port); Cyc_check_port(data, port);
if (((port_type *)port)->mem_buf == NULL) { if (((port_type *)port)->mem_buf == NULL) {
Cyc_rt_raise2(data, "Not an in-memory port", port); Cyc_rt_raise2(data, "Not an in-memory port", port);
} }
p = (port_type *)port;
if (p->fp) {
fflush(p->fp);
}
{ {
port_type *p = (port_type *)port;
make_string_with_len(s, p->mem_buf, p->mem_buf_len); make_string_with_len(s, p->mem_buf, p->mem_buf_len);
return_closcall1(data, cont, &s); return_closcall1(data, cont, &s);
} }
} }
// TODO: when closing a memory port, need to free mem_buf if != NULL
// Hacky approach to a minimal string buffer implementation. This may change in the future
// For background see: http://stackoverflow.com/questions/539537/memory-buffer-as-file
//port_type Cyc_io_open_output_string(void *data)
//
//// TODO: no, this is too hacky. fuck it, just use fmemopen or open_memstream
//// for non-supported platforms we'll raise an error and not do anything
//{
// FILE *f = fopen("/dev/null", "w");
// int i;
// int written = 0;
// char *buf = malloc(100000);
// make_port(p, NULL, 0); // TODO: probably wrong params, need to add buf to port obj and type
// //setbuffer(f, buf, 100000);
// if (0 != setvbuf (f, buf, _IOFBF, 100000)){
// // TODO: raise() instead?
// fprintf(stderr, "Unable to setvbuf!\n");
// exit(1);
// }
// for (i = 0; i < 1000; i++) {
// written += fprintf(f, "Number %d\n", i);
// }
// for (i = 0; i < written; i++) {
// printf("%c", buf[i]);
// }
// return p;
//}
//
//// END string buffers