Commit | Line | Data |
---|---|---|
2f01710c RC |
1 | /* rawchar.c 4.1 83/03/09 */ |
2 | /* | |
3 | * get a character from the terminal, with no line buffering. | |
4 | */ | |
5 | ||
6 | #include "2648.h" | |
7 | ||
8 | rawchar() | |
9 | { | |
10 | char c; | |
11 | ||
12 | sync(); | |
13 | escseq(NONE); | |
14 | fflush(stdout); | |
15 | if (_pb_front && _on2648) { | |
16 | c = *_pb_front++; | |
17 | #ifdef TRACE | |
18 | if (trace) | |
19 | fprintf(trace, "%s from queue, front=%d, back=%d\n", rdchar(c), _pb_front-_pushback, _pb_back-_pushback); | |
20 | #endif | |
21 | if (_pb_front > _pb_back) { | |
22 | _pb_front = _pb_back = NULL; | |
23 | #ifdef TRACE | |
24 | if (trace) | |
25 | fprintf(trace, "reset pushback to null\n"); | |
26 | #endif | |
27 | } | |
28 | return (c); | |
29 | } | |
30 | _outcount = 0; | |
31 | c = getchar(); | |
32 | #ifdef TRACE | |
33 | if (trace) | |
34 | fprintf(trace, "rawchar '%s'\n", rdchar(c)); | |
35 | #endif | |
36 | return (c); | |
37 | } |