projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| fdc7d56f | 1 | /* |
| e95fc82a KB |
2 | * Copyright (c) 1983 Regents of the University of California. |
| 3 | * All rights reserved. | |
| 4 | * | |
| a6547b1d | 5 | * %sccs.include.redist.c% |
| fdc7d56f EW |
6 | */ |
| 7 | ||
| 124d2372 | 8 | #ifndef lint |
| a6547b1d | 9 | static char sccsid[] = "@(#)getcom.c 5.3 (Berkeley) %G%"; |
| e95fc82a | 10 | #endif /* not lint */ |
| 124d2372 EW |
11 | |
| 12 | #include <stdio.h> | |
| 13 | #include <ctype.h> | |
| 14 | ||
| 15 | char * | |
| 16 | getcom(buf, size, prompt, error) | |
| 17 | char *buf; | |
| 18 | int size; | |
| 19 | char *prompt, *error; | |
| 20 | { | |
| 21 | for (;;) { | |
| 22 | fputs(prompt, stdout); | |
| d0adb698 EW |
23 | if (fgets(buf, size, stdin) == 0) { |
| 24 | clearerr(stdin); | |
| 25 | continue; | |
| 26 | } | |
| 124d2372 EW |
27 | while (isspace(*buf)) |
| 28 | buf++; | |
| 29 | if (*buf) | |
| 30 | break; | |
| 31 | if (error) | |
| 32 | puts(error); | |
| 33 | } | |
| 34 | return (buf); | |
| 35 | } | |
| 36 | ||
| d0adb698 EW |
37 | |
| 38 | /* | |
| 39 | * shifts to UPPERCASE if flag > 0, lowercase if flag < 0, | |
| 40 | * and leaves it unchanged if flag = 0 | |
| 41 | */ | |
| 124d2372 EW |
42 | char * |
| 43 | getword(buf1, buf2, flag) | |
| d0adb698 EW |
44 | register char *buf1, *buf2; |
| 45 | register flag; | |
| 124d2372 | 46 | { |
| 124d2372 EW |
47 | while (isspace(*buf1)) |
| 48 | buf1++; | |
| 49 | if (*buf1 != ',') { | |
| 50 | if (!*buf1) { | |
| 51 | *buf2 = 0; | |
| 52 | return (0); | |
| 53 | } | |
| 54 | while (*buf1 && !isspace(*buf1) && *buf1 != ',') | |
| d0adb698 EW |
55 | if (flag < 0) |
| 56 | if (isupper(*buf1)) | |
| 57 | *buf2++ = tolower(*buf1++); | |
| 58 | else | |
| 59 | *buf2++ = *buf1++; | |
| 60 | else if (flag > 0) | |
| 61 | if (islower(*buf1)) | |
| 62 | *buf2++ = toupper(*buf1++); | |
| 63 | else | |
| 64 | *buf2++ = *buf1++; | |
| 65 | else | |
| 66 | *buf2++ = *buf1++; | |
| 124d2372 EW |
67 | } else |
| 68 | *buf2++ = *buf1++; | |
| 69 | *buf2 = 0; | |
| 70 | while (isspace(*buf1)) | |
| 71 | buf1++; | |
| 72 | return (*buf1 ? buf1 : 0); | |
| 73 | } |