Opaque byte-stream type for reading and writing, backed by different sources (strings today; files and others can be added later without changing this interface). More...
#include <stdbool.h>#include <stddef.h>
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Macros | |
| #define | SYS_IOSTREAM_CAPACITY 8 |
| Maximum number of open streams. | |
| #define | SYS_IOSTREAM_EOF (-1) |
| Sentinel returned by sys_iostream_peek() at the end of a stream. | |
Typedefs | |
| typedef struct sys_iostream_t | sys_iostream_t |
| An opaque byte stream. More... | |
Functions | |
| void | sys_iostream_close (sys_iostream_t *s) |
| Release a stream back to the pool. More... | |
| int | sys_iostream_peek (sys_iostream_t *s) |
| Look at the next byte without consuming it. More... | |
| size_t | sys_iostream_read (sys_iostream_t *s, char *buf, size_t n) |
| Read bytes from a stream. More... | |
| size_t | sys_iostream_write (sys_iostream_t *s, const char *buf, size_t n) |
| Write bytes to a stream. More... | |
| ptrdiff_t | sys_iostream_seek (sys_iostream_t *s, ptrdiff_t offset, bool abs) |
| Move a stream's read/write position. More... | |
Detailed Description
Opaque byte-stream type for reading and writing, backed by different sources (strings today; files and others can be added later without changing this interface).
Definition in file io.h.