projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 8f58e367 | 1 | /* @(#)setbuffer.c 4.4 (Berkeley) %G% */ |
| 30b0fd94 KM |
2 | #include <stdio.h> |
| 3 | ||
| 4 | setbuffer(iop, buf, size) | |
| 5 | register struct _iobuf *iop; | |
| 6 | char *buf; | |
| 7 | int size; | |
| 8 | { | |
| 9 | if (iop->_base != NULL && iop->_flag&_IOMYBUF) | |
| 10 | free(iop->_base); | |
| 11 | iop->_flag &= ~(_IOMYBUF|_IONBF|_IOLBF); | |
| 12 | if ((iop->_base = buf) == NULL) { | |
| 13 | iop->_flag |= _IONBF; | |
| 14 | iop->_bufsiz = NULL; | |
| 15 | } else { | |
| 16 | iop->_ptr = iop->_base; | |
| 17 | iop->_bufsiz = size; | |
| 18 | } | |
| 19 | iop->_cnt = 0; | |
| 20 | } | |
| d5c54585 KM |
21 | |
| 22 | /* | |
| 23 | * set line buffering for either stdout or stderr | |
| 24 | */ | |
| 25 | setlinebuf(iop) | |
| 26 | register struct _iobuf *iop; | |
| 27 | { | |
| 8f58e367 | 28 | char *buf; |
| 63b1c981 | 29 | extern char *malloc(); |
| d5c54585 | 30 | |
| d5c54585 | 31 | fflush(iop); |
| 8f58e367 MK |
32 | setbuffer(iop, NULL, 0); |
| 33 | buf = malloc(BUFSIZ); | |
| 34 | if (buf != NULL) { | |
| 35 | setbuffer(iop, buf, BUFSIZ); | |
| 36 | iop->_flag |= _IOLBF|_IOMYBUF; | |
| 37 | } | |
| d5c54585 | 38 | } |