Commit | Line | Data |
---|---|---|
20c927a9 | 1 | #ifndef lint |
8fa6d94c | 2 | static char *sccsid = "@(#)wwgets.c 3.3 84/01/16"; |
20c927a9 EW |
3 | #endif |
4 | ||
8fa6d94c | 5 | #include "ww.h" |
20c927a9 | 6 | |
8fa6d94c | 7 | wwgets(buf, n, w) |
059a7be6 EW |
8 | char *buf; |
9 | int n; | |
10 | register struct ww *w; | |
11 | { | |
12 | register char *p = buf; | |
13 | register char c; | |
14 | ||
15 | for (;;) { | |
85af59e4 | 16 | wwcurtowin(w); |
8fa6d94c EW |
17 | while ((c = wwgetc()) < 0) |
18 | wwiomux(); | |
5b912384 EW |
19 | if (c == wwoldtty.ww_sgttyb.sg_erase) { |
20 | if (p > buf) | |
21 | rub(*--p, w); | |
22 | else | |
85af59e4 | 23 | wwbell(); |
5b912384 EW |
24 | } else if (c == wwoldtty.ww_sgttyb.sg_kill) { |
25 | while (p > buf) | |
26 | rub(*--p, w); | |
27 | } else if (c == wwoldtty.ww_ltchars.t_werasc) { | |
28 | while (--p >= buf && (*p == ' ' || *p == '\t')) | |
29 | rub(*p, w); | |
30 | while (p >= buf && *p != ' ' && *p != '\t') | |
31 | rub(*p--, w); | |
32 | p++; | |
33 | } else if (c == '\r' || c == '\n') { | |
059a7be6 | 34 | break; |
5b912384 | 35 | } else { |
059a7be6 | 36 | if (p >= buf + n - 1) |
85af59e4 | 37 | wwbell(); |
5b912384 | 38 | else |
85af59e4 | 39 | (void) wwputs(unctrl(*p++ = c), w); |
059a7be6 EW |
40 | } |
41 | } | |
5b912384 EW |
42 | *p = 0; |
43 | } | |
44 | ||
8fa6d94c | 45 | static |
5b912384 EW |
46 | rub(c, w) |
47 | struct ww *w; | |
48 | { | |
49 | register i; | |
50 | ||
51 | for (i = strlen(unctrl(c)); --i >= 0;) | |
85af59e4 | 52 | (void) wwputs("\b \b", w); |
059a7be6 | 53 | } |