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4930589b FT |
1 | #ifndef _LIB_BUFIO_H |
2 | #define _LIB_BUFIO_H | |
3 | ||
4 | struct bufioops { | |
5 | ssize_t (*read)(void *pdata, void *buf, size_t len); | |
6 | ssize_t (*write)(void *pdata, const void *buf, size_t len); | |
7 | int (*close)(void *pdata); | |
8 | }; | |
9 | ||
10 | struct bufio { | |
11 | struct charbuf rbuf, wbuf; | |
12 | size_t rh, wh, bufhint; | |
13 | int err, eof; | |
14 | void *pdata; | |
15 | struct bufioops *ops; | |
16 | }; | |
17 | ||
18 | struct bufio *bioopen(void *pdata, struct bufioops *ops); | |
19 | int bioclose(struct bufio *bio); | |
20 | ||
21 | size_t biordata(struct bufio *bio); | |
22 | size_t biorspace(struct bufio *bio); | |
23 | int bioeof(struct bufio *bio); | |
24 | ssize_t biorensure(struct bufio *bio, size_t bytes); | |
25 | ssize_t biofillsome(struct bufio *bio); | |
26 | int biogetc(struct bufio *bio); | |
27 | ssize_t bioreadsome(struct bufio *bio, void *buf, size_t len); | |
28 | ||
29 | size_t biowdata(struct bufio *bio); | |
30 | size_t biowspace(struct bufio *bio); | |
31 | int bioflush(struct bufio *bio); | |
32 | int bioflushsome(struct bufio *bio); | |
33 | ssize_t biowensure(struct bufio *bio, size_t bytes); | |
34 | int bioputc(struct bufio *bio, int c); | |
35 | ssize_t biowrite(struct bufio *bio, const void *data, size_t len); | |
36 | ssize_t biowritesome(struct bufio *bio, const void *data, size_t len); | |
37 | int bioprintf(struct bufio *bio, const char *format, ...); | |
38 | ssize_t biocopysome(struct bufio *dst, struct bufio *src); | |
99a520b6 | 39 | ssize_t biocopybuf(struct bufio *dst, struct bufio *src); |
4930589b FT |
40 | |
41 | #endif |