void http_writer_response(struct http_writer *w, int code)
{
struct http_status *status = http_status_lookup(code);
assert(w->state == HTTP_WRITER_INIT);
if (!status)
die("unknown HTTP status code %d", code);
growbuf_reset(&w->prebody);
growbuf_append(&w->prebody, status->message, status->message_len);
w->state = HTTP_WRITER_HEADERS;
}
/**
* Read from the file to the next end of line.
*
* Args:
* input - file to read from
* bytes_read - set to the number of bytes read
*
* Returns:
* Buffer containing the read result.
*/
char* read_to_eol(FILE* input, size_t* bytes_read)
{
char* retbuf = NULL;
char buf[512];
growbuf* gb = NULL;
gb = growbuf_create(512);
while (!feof(input)) {
size_t chunk_bytes_read = fread(buf, 1, sizeof(buf), input);
bool got_newline = false;
size_t bytes_append;
for (bytes_append = 0; bytes_append < chunk_bytes_read; bytes_append++) {
if (buf[bytes_append] == '\n') {
got_newline = true;
break;
}
}
growbuf_append(gb, buf, bytes_append);
if (got_newline) {
DEBUG fprintf(stderr, "read %zu bytes, newline after %zu, rewinding %zu\n", chunk_bytes_read, bytes_append, chunk_bytes_read-bytes_append);
fseek(input, -1 * (chunk_bytes_read - bytes_append - 1), SEEK_CUR);
goto cleanup;
}
}
cleanup:
//
// free just the growbuf structure, and return the inner buffer
//
retbuf = gb->buf;
*bytes_read = gb->size;
free(gb);
return retbuf;
}
