diff options
Diffstat (limited to 'netio.h')
| -rw-r--r-- | netio.h | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -1,13 +1,18 @@ #ifndef _NETIO_H_ #define _NETIO_H_ -#include <stdint.h> -#include <stdbool.h> +#include <stdbool.h> /* for bool */ +#include <stdint.h> /* for size_t, ssize_t, uint16_t */ +/** Return socket-fd on success, -errno on error. */ int netio_listen(uint16_t port); +/** Return connection-fd on success, -errno on error. */ int netio_accept(int sock); -size_t netio_read(int conn, void *buf, size_t count); -size_t netio_write(int conn, void *buf, size_t count); +/** Return bytes-read on success, 0 on EOF, -errno on error; a short read is *not* an error. */ +ssize_t netio_read(int conn, void *buf, size_t count); +/** Return `count` on success, -errno on error; a short write *is* an error. */ +ssize_t netio_write(int conn, void *buf, size_t count); +/** Return 0 on success, -errno on error. */ int netio_close(int conn, bool rd, bool wr); #endif /* _NETIO_H_ */ |