* and their field descriptions (just like with pb_decode).
*/
-#include <stdbool.h>
#include "pb.h"
#ifdef __cplusplus
*/
struct _pb_ostream_t
{
+#ifdef PB_BUFFER_ONLY
+ /* Callback pointer is not used in buffer-only configuration.
+ * Having an int pointer here allows binary compatibility but
+ * gives an error if someone tries to assign callback function.
+ * Also, NULL pointer marks a 'sizing stream' that does not
+ * write anything.
+ */
+ int *callback;
+#else
bool (*callback)(pb_ostream_t *stream, const uint8_t *buf, size_t count);
+#endif
void *state; /* Free field for use by callback implementation */
size_t max_size; /* Limit number of output bytes written (or use SIZE_MAX). */
size_t bytes_written;
+
+#ifndef PB_NO_ERRMSG
+ const char *errmsg;
+#endif
};
pb_ostream_t pb_ostream_from_buffer(uint8_t *buf, size_t bufsize);
bool pb_write(pb_ostream_t *stream, const uint8_t *buf, size_t count);
+/* Stream type for use in computing message sizes */
+#ifndef PB_NO_ERRMSG
+#define PB_OSTREAM_SIZING {0,0,0,0,0}
+#else
+#define PB_OSTREAM_SIZING {0,0,0,0}
+#endif
+
/* Encode struct to given output stream.
* Returns true on success, false on any failure.
* The actual struct pointed to by src_struct must match the description in fields.