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 | * | |
| 5 | * Redistribution and use in source and binary forms are permitted | |
| 28c5bacc KB |
6 | * provided that the above copyright notice and this paragraph are |
| 7 | * duplicated in all such forms and that any documentation, | |
| 8 | * advertising materials, and other materials related to such | |
| 9 | * distribution and use acknowledge that the software was developed | |
| 10 | * by the University of California, Berkeley. The name of the | |
| 11 | * University may not be used to endorse or promote products derived | |
| 12 | * from this software without specific prior written permission. | |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| fdc7d56f EW |
16 | */ |
| 17 | ||
| 124d2372 | 18 | #ifndef lint |
| 28c5bacc | 19 | static char sccsid[] = "@(#)getcom.c 5.2 (Berkeley) %G%"; |
| e95fc82a | 20 | #endif /* not lint */ |
| 124d2372 EW |
21 | |
| 22 | #include <stdio.h> | |
| 23 | #include <ctype.h> | |
| 24 | ||
| 25 | char * | |
| 26 | getcom(buf, size, prompt, error) | |
| 27 | char *buf; | |
| 28 | int size; | |
| 29 | char *prompt, *error; | |
| 30 | { | |
| 31 | for (;;) { | |
| 32 | fputs(prompt, stdout); | |
| d0adb698 EW |
33 | if (fgets(buf, size, stdin) == 0) { |
| 34 | clearerr(stdin); | |
| 35 | continue; | |
| 36 | } | |
| 124d2372 EW |
37 | while (isspace(*buf)) |
| 38 | buf++; | |
| 39 | if (*buf) | |
| 40 | break; | |
| 41 | if (error) | |
| 42 | puts(error); | |
| 43 | } | |
| 44 | return (buf); | |
| 45 | } | |
| 46 | ||
| d0adb698 EW |
47 | |
| 48 | /* | |
| 49 | * shifts to UPPERCASE if flag > 0, lowercase if flag < 0, | |
| 50 | * and leaves it unchanged if flag = 0 | |
| 51 | */ | |
| 124d2372 EW |
52 | char * |
| 53 | getword(buf1, buf2, flag) | |
| d0adb698 EW |
54 | register char *buf1, *buf2; |
| 55 | register flag; | |
| 124d2372 | 56 | { |
| 124d2372 EW |
57 | while (isspace(*buf1)) |
| 58 | buf1++; | |
| 59 | if (*buf1 != ',') { | |
| 60 | if (!*buf1) { | |
| 61 | *buf2 = 0; | |
| 62 | return (0); | |
| 63 | } | |
| 64 | while (*buf1 && !isspace(*buf1) && *buf1 != ',') | |
| d0adb698 EW |
65 | if (flag < 0) |
| 66 | if (isupper(*buf1)) | |
| 67 | *buf2++ = tolower(*buf1++); | |
| 68 | else | |
| 69 | *buf2++ = *buf1++; | |
| 70 | else if (flag > 0) | |
| 71 | if (islower(*buf1)) | |
| 72 | *buf2++ = toupper(*buf1++); | |
| 73 | else | |
| 74 | *buf2++ = *buf1++; | |
| 75 | else | |
| 76 | *buf2++ = *buf1++; | |
| 124d2372 EW |
77 | } else |
| 78 | *buf2++ = *buf1++; | |
| 79 | *buf2 = 0; | |
| 80 | while (isspace(*buf1)) | |
| 81 | buf1++; | |
| 82 | return (*buf1 ? buf1 : 0); | |
| 83 | } |