]>
Commit | Line | Data |
---|---|---|
402461ad | 1 | #if (!defined(lint) && !defined(SABER)) |
08345b74 | 2 | static char rcsid_module_c[] = "$Header$"; |
3 | #endif lint | |
4 | ||
0a2c64cb | 5 | /* This is the file utils.c for the SMS Client, which allows a nieve |
6 | * user to quickly and easily maintain most parts of the SMS database. | |
7 | * It Contains: Many useful utility functions. | |
08345b74 | 8 | * |
9 | * Created: 4/25/88 | |
10 | * By: Chris D. Peterson | |
11 | * | |
12 | * $Source$ | |
13 | * $Author$ | |
14 | * $Header$ | |
15 | * | |
0a2c64cb | 16 | * Copyright 1988 by the Massachusetts Institute of Technology. |
08345b74 | 17 | * |
18 | * For further information on copyright and distribution | |
19 | * see the file mit-copyright.h | |
20 | */ | |
21 | ||
08345b74 | 22 | #include <stdio.h> |
23 | #include <strings.h> | |
24 | #include <sms.h> | |
25 | #include <menu.h> | |
26 | ||
27 | #include "mit-copyright.h" | |
0a2c64cb | 28 | #include "defs.h" |
29 | #include "f_defs.h" | |
08345b74 | 30 | #include "globals.h" |
31 | #include "infodefs.h" | |
32 | ||
33 | #include <netdb.h> /* for gethostbyname. */ | |
08345b74 | 34 | |
0a2c64cb | 35 | /* Function Name: AddQueue |
36 | * Description: Adds an element to a queue | |
37 | * Arguments: elem, pred - element and its predecessor. | |
38 | * Returns: none. | |
39 | */ | |
40 | ||
41 | static void | |
42 | AddQueue(elem, pred) | |
43 | struct qelem * elem, *pred; | |
44 | { | |
45 | if (pred == NULL) { | |
46 | elem->q_forw = NULL; | |
47 | elem->q_back = NULL; | |
48 | return; | |
49 | } | |
50 | elem->q_back = pred; | |
51 | elem->q_forw = pred->q_forw; | |
52 | pred->q_forw = elem; | |
53 | } | |
54 | ||
55 | /* Function Name: RemoveQueue | |
56 | * Description: removes an element from a queue. | |
57 | * Arguments: elem. | |
58 | * Returns: none. | |
59 | */ | |
60 | ||
61 | static void | |
62 | RemoveQueue(elem) | |
63 | struct qelem *elem; | |
64 | { | |
65 | if (elem->q_forw != NULL) | |
66 | (elem->q_forw)->q_back = elem->q_back; | |
67 | if (elem->q_back != NULL) | |
68 | (elem->q_back)->q_forw = elem->q_forw; | |
69 | } | |
70 | ||
08345b74 | 71 | /* Function Name: FreeInfo |
72 | * Description: Frees all elements of a NULL terminated arrary of char*'s | |
73 | * Arguments: info - array who's elements we are to free. | |
74 | * Returns: none. | |
75 | */ | |
76 | ||
77 | void | |
78 | FreeInfo(info) | |
79 | char ** info; | |
80 | { | |
85ca828a | 81 | while (*info != NULL) |
82 | FreeAndClear(info++, TRUE); | |
08345b74 | 83 | } |
84 | ||
461c03b6 | 85 | /* Function Name: FreeAndClear - I couldn't resist the name. |
86 | * Description: Clears pointer and optionially frees it. | |
87 | * Arguments: pointer - pointer to work with. | |
88 | * free_it - if TRUE then free pointer. | |
89 | * Returns: none. | |
90 | */ | |
91 | ||
92 | void | |
93 | FreeAndClear(pointer, free_it) | |
94 | char ** pointer; | |
95 | Bool free_it; | |
96 | { | |
97 | if (*pointer == NULL) | |
98 | return; | |
99 | else if (free_it) | |
100 | free(*pointer); | |
101 | *pointer = NULL; | |
102 | } | |
103 | ||
104 | /* Function Name: QueueTop | |
105 | * Description: returns a qelem pointer that points to the top of | |
106 | * a queue. | |
107 | * Arguments: elem - any element of a queue. | |
108 | * Returns: top element of a queue. | |
109 | */ | |
110 | ||
111 | struct qelem * | |
112 | QueueTop(elem) | |
113 | struct qelem * elem; | |
114 | { | |
115 | if (elem == NULL) /* NULL returns NULL. */ | |
116 | return(NULL); | |
117 | while (elem->q_back != NULL) | |
118 | elem = elem->q_back; | |
119 | return(elem); | |
120 | } | |
121 | ||
08345b74 | 122 | /* Function Name: FreeQueueElem |
123 | * Description: Frees one element of the queue. | |
124 | * Arguments: elem - the elem to free. | |
125 | * Returns: none | |
126 | */ | |
127 | ||
0a2c64cb | 128 | static void |
08345b74 | 129 | FreeQueueElem(elem) |
461c03b6 | 130 | struct qelem * elem; |
08345b74 | 131 | { |
461c03b6 | 132 | char ** info = (char **) elem->q_data; |
133 | ||
134 | if (info != (char **) NULL) { | |
135 | FreeInfo( info ); /* free info fields */ | |
08345b74 | 136 | free(elem->q_data); /* free info array itself. */ |
137 | } | |
85ca828a | 138 | RemoveQueue(elem); /* remove this element from the queue */ |
08345b74 | 139 | free(elem); /* free its space. */ |
140 | } | |
141 | ||
142 | /* Function Name: FreeQueue | |
143 | * Description: Cleans up the queue | |
144 | * Arguments: elem - any element of the queue. | |
145 | * Returns: none. | |
146 | */ | |
147 | ||
148 | void | |
149 | FreeQueue(elem) | |
461c03b6 | 150 | struct qelem * elem; |
08345b74 | 151 | { |
461c03b6 | 152 | struct qelem *temp, *local = QueueTop(elem); |
08345b74 | 153 | |
154 | while(local != NULL) { | |
155 | temp = local->q_forw; | |
156 | FreeQueueElem(local); | |
157 | local = temp; | |
158 | } | |
159 | } | |
160 | ||
161 | /* Function Name: QueueCount | |
162 | * Description: Counts the number of elements in a queue | |
163 | * Arguments: elem - any element in the queue. | |
164 | * Returns: none. | |
165 | */ | |
166 | ||
167 | int | |
168 | QueueCount(elem) | |
169 | struct qelem * elem; | |
170 | { | |
171 | int count = 0; | |
172 | elem = QueueTop(elem); | |
173 | while (elem != NULL) { | |
174 | count ++; | |
175 | elem = elem->q_forw; | |
176 | } | |
177 | return(count); | |
178 | } | |
179 | ||
0a2c64cb | 180 | /* Function Name: StoreInfo |
181 | * Description: Stores information from an sms query into a queue. | |
182 | * Arguments: argc, argv, - information returned from the query returned | |
183 | * in argv. | |
184 | * data - the previous element on the queue, this data will be | |
185 | * stored in a qelem struct immediatly after this elem. | |
186 | * If NULL then a new queue will be created. This value | |
187 | * is updated to the current element at the end off the | |
188 | * call. | |
189 | * Returns: SMS_CONT, or SMS_ABORT if it has problems. | |
190 | */ | |
191 | ||
08345b74 | 192 | int |
193 | StoreInfo(argc, argv, data) | |
194 | int argc; | |
195 | char ** argv; | |
461c03b6 | 196 | char * data; |
08345b74 | 197 | { |
402461ad | 198 | char ** info = (char **) malloc( MAX_ARGS_SIZE * sizeof(char *)); |
08345b74 | 199 | struct qelem ** old_elem = (struct qelem **) data; |
200 | struct qelem * new_elem = (struct qelem *) malloc (sizeof (struct qelem)); | |
201 | int count; | |
202 | ||
402461ad | 203 | if ( (new_elem == (struct qelem *) NULL) || (info == (char **) NULL) ) { |
204 | Put_message("Could Not allocate more memory."); | |
205 | FreeQueue(*old_elem); | |
206 | *old_elem = (struct qelem *) NULL; | |
207 | return(SMS_ABORT); | |
208 | } | |
209 | ||
08345b74 | 210 | for (count = 0; count < argc; count++) |
211 | info[count] = Strsave(argv[count]); | |
212 | info[count] = NULL; /* NULL terminate this sucker. */ | |
213 | ||
85ca828a | 214 | new_elem->q_data = (char *) info; |
215 | AddQueue(new_elem, *old_elem); | |
08345b74 | 216 | |
217 | *old_elem = new_elem; | |
218 | return(SMS_CONT); | |
219 | } | |
220 | ||
221 | /* Function Name: CountArgs | |
222 | * Description: Retrieve the number of args in a null terminated | |
223 | * arglist. | |
224 | * Arguments: info - the argument list. | |
225 | * Returns: number if args in the list. | |
226 | */ | |
227 | ||
228 | int | |
461c03b6 | 229 | CountArgs(info) |
08345b74 | 230 | char ** info; |
231 | { | |
232 | int number = 0; | |
233 | ||
461c03b6 | 234 | while (*info != NULL) { |
08345b74 | 235 | number++; |
461c03b6 | 236 | info++; |
237 | } | |
08345b74 | 238 | |
239 | return(number); | |
240 | } | |
241 | ||
242 | /* Function Name: Scream | |
243 | * Description: Bitch Loudly and exit, it is intended as a callback | |
244 | * function for queries that should never return a value. | |
245 | * Arguments: none | |
246 | * Returns: doesn't exit. | |
247 | */ | |
248 | ||
461c03b6 | 249 | int |
08345b74 | 250 | Scream() |
251 | { | |
461c03b6 | 252 | com_err(program_name, 0, |
08345b74 | 253 | "\nAn SMS update returned a value -- programmer botch\n"); |
254 | sms_disconnect(); | |
255 | exit(1); | |
256 | } | |
257 | ||
08345b74 | 258 | /* Function Name: PromptWithDefault |
259 | * Description: allows a user to be prompted for input, and given a | |
260 | * default choice. | |
261 | * Arguments: prompt - the prompt string. | |
262 | * buf, buflen - buffer to be returned and its MAX size? | |
263 | * default value for the answer. | |
264 | * Returns: the value returned by prompt_input. | |
265 | */ | |
266 | ||
267 | int | |
268 | PromptWithDefault(prompt, buf, buflen, def) | |
269 | char *prompt, *buf; | |
270 | int buflen; | |
271 | char *def; | |
272 | { | |
273 | char tmp[BUFSIZ]; | |
274 | int ans; | |
275 | ||
276 | (void) sprintf(tmp, "%s [%s]: ", prompt, def ? def : ""); | |
277 | ans = Prompt_input(tmp, buf, buflen); | |
278 | if (IS_EMPTY(buf)) | |
279 | (void) strcpy(buf, def); | |
280 | return(ans); | |
281 | } | |
282 | ||
283 | /* Function Name: YesNoQuestion | |
284 | * Description: This prompts the user for the answer to a yes-no or | |
285 | * true-false question. | |
286 | * Arguments: prompt - the prompt for the user. | |
287 | * bool_def - the default value either TRUE or FALSE. | |
288 | * Returns: TRUE or FALSE or -1 on error | |
289 | */ | |
290 | ||
291 | Bool | |
292 | YesNoQuestion(prompt, bool_def) | |
293 | char *prompt; | |
294 | int bool_def; | |
295 | { | |
3c1a8806 | 296 | char ans[2]; |
08345b74 | 297 | |
298 | while (TRUE) { | |
3c1a8806 | 299 | if (!PromptWithDefault(prompt, ans, 2, bool_def ? "y" : "n")) |
08345b74 | 300 | return(-1); |
3c1a8806 | 301 | switch (ans[0]) { |
08345b74 | 302 | case 'n': |
303 | case 'N': | |
304 | return(FALSE); | |
08345b74 | 305 | case 'y': |
306 | case 'Y': | |
307 | return(TRUE); | |
08345b74 | 308 | default: |
309 | Put_message("Please answer 'y' or 'n'."); | |
310 | break; | |
311 | } | |
312 | } | |
313 | } | |
314 | /* Function Name: YesNoQuitQuestion | |
315 | * Description: This prompts the user for the answer to a yes-no or | |
316 | * true-false question, with a quit option. | |
317 | * Arguments: prompt - the prompt for the user. | |
318 | * bool_def - the default value either TRUE or FALSE. | |
319 | * Returns: TRUE or FALSE or -1 on error or QUIT | |
320 | * NOTE: It is not possible to have quit the default, but then I don't | |
321 | * seem to need this functionality. | |
322 | */ | |
323 | ||
324 | Bool | |
461c03b6 | 325 | YesNoQuitQuestion(prompt, bool_def) |
08345b74 | 326 | char *prompt; |
327 | int bool_def; | |
328 | { | |
3c1a8806 | 329 | char ans[2]; |
08345b74 | 330 | |
331 | while (TRUE) { | |
3c1a8806 | 332 | if (!PromptWithDefault(prompt, ans, 2, bool_def ? "y" : "n")) |
08345b74 | 333 | return(-1); |
3c1a8806 | 334 | switch (ans[0]) { |
08345b74 | 335 | case 'n': |
336 | case 'N': | |
337 | return(FALSE); | |
08345b74 | 338 | case 'y': |
339 | case 'Y': | |
340 | return(TRUE); | |
08345b74 | 341 | case 'q': |
342 | case 'Q': | |
343 | return(-1); | |
08345b74 | 344 | default: |
345 | Put_message("Please answer 'y', 'n' or 'q'."); | |
346 | break; | |
347 | } | |
348 | } | |
349 | } | |
350 | ||
351 | /* Function Name: Confirm | |
352 | * Description: This function asks the user to confirm the action | |
353 | * he is about to take, used for things like deleting. | |
354 | * Arguments: prompt - the prompt string. | |
355 | * Returns: TRUE/FALSE - wether or not the confirmation occured. | |
356 | */ | |
357 | ||
0a2c64cb | 358 | Bool |
08345b74 | 359 | Confirm(prompt) |
360 | char * prompt; | |
361 | { | |
0a2c64cb | 362 | return( !verbose || (YesNoQuestion(prompt,FALSE) == TRUE) ); |
08345b74 | 363 | } |
364 | ||
365 | /* Function Name: ValidName | |
366 | * Description: This function checks to see if we have a valid list name. | |
367 | * Arguments: s - the list name. | |
368 | * Returns: TRUE if Valid. | |
369 | */ | |
370 | ||
371 | Bool | |
372 | ValidName(s) | |
0a2c64cb | 373 | char *s; |
08345b74 | 374 | { |
375 | if (IS_EMPTY(s)) | |
376 | Put_message("Please use a non-empty name."); | |
377 | else if (index(s, ' ')) | |
378 | Put_message("You cannot use space (' ') in this name."); | |
402461ad | 379 | else if (index(s, WILDCARD)) |
380 | Put_message("Wildcards not accepted here."); | |
08345b74 | 381 | else |
382 | return TRUE; | |
383 | return FALSE; | |
384 | } | |
385 | ||
386 | /* Function Name: ToggleVerboseMode | |
387 | * Description: This function toggles the verbose mode. | |
388 | * Arguments: none | |
389 | * Returns: DM_NORMAL. | |
390 | */ | |
391 | ||
392 | int | |
393 | ToggleVerboseMode() | |
394 | { | |
395 | ||
85ca828a | 396 | verbose = !verbose; |
08345b74 | 397 | |
461c03b6 | 398 | if (verbose) |
399 | Put_message("Delete functions will first confirm\n"); | |
400 | else | |
401 | Put_message("Delete functions will be silent\n"); | |
402 | ||
08345b74 | 403 | return(DM_NORMAL); |
404 | } | |
405 | ||
406 | /* Function Name: NullFunc | |
407 | * Description: dummy callback routine | |
408 | * Arguments: none | |
409 | * Returns: SMS_CONT | |
410 | */ | |
411 | ||
412 | int | |
413 | NullFunc() | |
414 | { | |
415 | return(SMS_CONT); | |
416 | } | |
417 | ||
418 | /* Function Name: SlipInNewName | |
419 | * Description: Slips the new name into the number 2 slot of a list, and | |
420 | * returns a pointer to the new list. | |
421 | * Arguments: info - list that needs this name slipped into it. | |
422 | * name - the name to slip into the list. | |
423 | * Returns: a pointer to the new list. | |
85ca828a | 424 | * NOTE: This screws up the numbers of the elements of the array in a |
08345b74 | 425 | * big way. |
426 | */ | |
427 | ||
0a2c64cb | 428 | void |
461c03b6 | 429 | SlipInNewName(info, name) |
08345b74 | 430 | char ** info; |
08345b74 | 431 | char * name; |
432 | { | |
433 | register int i; | |
434 | ||
435 | /* This also pushes the NULL down. */ | |
436 | for (i = CountArgs(info); i > 1; i--) { | |
85ca828a | 437 | info[i] = info[i-1]; |
08345b74 | 438 | } |
85ca828a | 439 | info[1] = name; /* now slip in the name. */ |
08345b74 | 440 | } |
441 | ||
08345b74 | 442 | /* Function Name: GetValueFromUser |
443 | * Description: This function gets a value from a user for the field | |
444 | * specified. | |
445 | * Arguments: prompt - prompt for user. | |
446 | * pointer - pointer to default value, will be returned | |
447 | * as new value. | |
075fe5bb | 448 | * Returns: SUB_ERROR if break hit (^C). |
08345b74 | 449 | */ |
450 | ||
075fe5bb | 451 | int |
08345b74 | 452 | GetValueFromUser(prompt, pointer) |
461c03b6 | 453 | char * prompt, ** pointer; |
08345b74 | 454 | { |
455 | char buf[BUFSIZ]; | |
456 | ||
075fe5bb | 457 | if (PromptWithDefault(prompt, buf, BUFSIZ, *pointer) == -1) |
0a2c64cb | 458 | return(SUB_ERROR); |
075fe5bb | 459 | |
0a2c64cb | 460 | /* |
461 | * If these are the same then there is no need to allocate a new string. | |
462 | * | |
463 | * a difference that makes no difference, IS no difference. | |
464 | */ | |
465 | ||
466 | if (strcmp(buf, *pointer) != 0) { | |
467 | if (*pointer != NULL) | |
468 | free(*pointer); | |
469 | *pointer = Strsave(buf); | |
470 | } | |
471 | return(SUB_NORMAL); | |
075fe5bb | 472 | } |
473 | ||
474 | /* Function Name: GetYesNoValueFromUser | |
475 | * Description: This function gets a value from a user for the field | |
476 | * specified. | |
477 | * Arguments: prompt - prompt for user. | |
478 | * pointer - pointer to default value, will be returned | |
479 | * as new value. | |
480 | * Returns: SUB_ERROR if break hit (^C). | |
481 | */ | |
482 | ||
483 | int | |
484 | GetYesNoValueFromUser(prompt, pointer) | |
485 | char * prompt, ** pointer; | |
486 | { | |
487 | char user_prompt[BUFSIZ]; | |
488 | Bool default_val; | |
489 | ||
490 | if ( strcmp (*pointer, DEFAULT_YES) == 0 ) | |
491 | default_val = TRUE; | |
492 | else | |
493 | default_val = FALSE; | |
494 | ||
495 | sprintf(user_prompt, "%s (y/n)", prompt); | |
496 | ||
497 | switch (YesNoQuestion(user_prompt, default_val)) { | |
498 | case TRUE: | |
499 | if (*pointer != NULL) | |
500 | free(*pointer); | |
0a2c64cb | 501 | *pointer = Strsave(DEFAULT_YES); |
075fe5bb | 502 | break; |
503 | case FALSE: | |
504 | if (*pointer != NULL) | |
505 | free(*pointer); | |
0a2c64cb | 506 | *pointer = Strsave(DEFAULT_NO); |
075fe5bb | 507 | break; |
508 | case -1: | |
509 | default: | |
0a2c64cb | 510 | return(SUB_ERROR); |
075fe5bb | 511 | } |
0a2c64cb | 512 | return(SUB_NORMAL); |
075fe5bb | 513 | } |
514 | ||
515 | /* Function Name: GetFSVal | |
516 | * Description: asks about a specific filesystem value. | |
517 | * Arguments: name - string for this type of filesystem. | |
518 | * mask - mask for this type of filesystem. | |
519 | * current - current filesystem state. (for defaults). | |
520 | * new - new filesystem state. | |
521 | * Returns: TRUE if successful. | |
522 | */ | |
523 | ||
524 | static Bool | |
525 | GetFSVal(name, mask, current, new) | |
526 | char * name; | |
527 | int mask, current, *new; | |
528 | { | |
529 | char temp_buf[BUFSIZ]; | |
530 | sprintf(temp_buf, "Is this a %s filsystem", name); | |
531 | switch (YesNoQuestion(temp_buf, ( (mask & current) == mask) )) { | |
532 | case TRUE: | |
533 | *new |= mask; | |
534 | break; | |
535 | case FALSE: | |
536 | break; /* zero by default. */ | |
537 | default: | |
538 | return(FALSE); | |
539 | } | |
540 | return(TRUE); | |
541 | } | |
542 | ||
543 | /* Function Name: GetFSTypes | |
544 | * Description: Allows user to specify filsystem types. | |
545 | * Arguments: current - current value of filsystem, freed here. | |
546 | * Returns: SUB_ERROR on ^C. | |
547 | */ | |
548 | ||
549 | int | |
550 | GetFSTypes(current) | |
551 | char ** current; | |
552 | { | |
553 | int c_value, new_val = 0; /* current value of filesys type (int). */ | |
554 | char ret_value[BUFSIZ]; | |
555 | ||
556 | if (*current == NULL) | |
557 | c_value = 0; | |
558 | else | |
559 | c_value = atoi(*current); | |
560 | ||
561 | if (GetFSVal("student", SMS_FS_STUDENT, c_value, &new_val) == FALSE) | |
562 | return(SUB_ERROR); | |
563 | if (GetFSVal("faculty", SMS_FS_FACULTY, c_value, &new_val) == FALSE) | |
564 | return(SUB_ERROR); | |
565 | if (GetFSVal("staff", SMS_FS_STAFF, c_value, &new_val) == FALSE) | |
566 | return(SUB_ERROR); | |
567 | if (GetFSVal("miscellaneous", SMS_FS_MISC, c_value, &new_val) == FALSE) | |
568 | return(SUB_ERROR); | |
569 | ||
570 | FreeAndClear(current, TRUE); | |
571 | sprintf(ret_value, "%d", new_val); | |
572 | *current = Strsave(ret_value); | |
573 | return(SUB_NORMAL); | |
08345b74 | 574 | } |
575 | ||
576 | /* Function Name: CanonicalizeHostname | |
577 | * Description: This function takes a machine name and canonicalize's it. | |
578 | * Arguments: machine - name of the machine to work on. | |
579 | * Returns: new name or NULL if nameserver returns error | |
580 | */ | |
581 | ||
582 | char * | |
583 | CanonicalizeHostname(machine) | |
584 | char *machine; | |
585 | { | |
586 | struct hostent *hostinfo; | |
587 | ||
588 | hostinfo = gethostbyname(machine); | |
85ca828a | 589 | /* If this fails then we just return what we were passed. */ |
08345b74 | 590 | if (hostinfo != (struct hostent *) NULL) |
591 | machine = hostinfo->h_name; | |
08345b74 | 592 | return (machine); |
593 | } | |
594 | ||
595 | /* Function Name: Strsave | |
596 | * Description: save a string. | |
597 | * Arguments: string - the string to save. | |
598 | * Returns: The malloced string, now safely saved, or NULL. | |
599 | */ | |
600 | ||
601 | char * | |
602 | Strsave(str) | |
603 | char *str; | |
604 | { | |
605 | register char *newstr = malloc((unsigned) strlen(str) + 1); | |
606 | ||
607 | if (newstr == (char *) NULL) | |
608 | return ((char *) NULL); | |
609 | else | |
610 | return (strcpy(newstr, str)); | |
611 | } | |
612 | ||
613 | /* Function Name: EncryptMITID | |
614 | * Description: Encrypts an mit ID number. | |
615 | * Arguments: sbuf - the buffer to return the encrypted number in. | |
616 | * idnumber - the id number (string). | |
617 | * first, last - name of the person. | |
618 | * Returns: none. | |
619 | */ | |
620 | ||
621 | void | |
622 | EncryptMITID(sbuf, idnumber, first, last) | |
623 | char *sbuf, *idnumber, *first, *last; | |
624 | { | |
625 | char salt[3]; | |
626 | extern char *crypt(); | |
627 | ||
628 | #define _tolower(c) ((c)|0x60) | |
629 | ||
630 | salt[0] = _tolower(last[0]); | |
631 | salt[1] = _tolower(first[0]); | |
632 | salt[2] = 0; | |
633 | ||
634 | (void) strcpy(sbuf, crypt(&idnumber[2], salt)); | |
635 | } | |
636 | ||
637 | /* Function Name: RemoveHyphens | |
638 | * Description: Removes all hyphens from the string passed to it. | |
639 | * Arguments: str - the string to remove the hyphes from | |
640 | * Returns: none | |
641 | */ | |
642 | ||
643 | void | |
644 | RemoveHyphens(str) | |
645 | char *str; | |
646 | { | |
647 | char *hyphen; | |
648 | ||
649 | while ((hyphen = index(str, '-')) != NULL) | |
650 | (void) strcpy(hyphen, hyphen + 1); | |
651 | } | |
652 | ||
653 | /* Function Name: Print | |
654 | * Description: prints out all the arguments on a single line. | |
655 | * Arguments: argc, argv - the standard SMS arguments. | |
656 | * callback - the callback function - NOT USED. | |
657 | * Returns: SMS_CONT | |
658 | */ | |
659 | ||
660 | /* ARGSUSED */ | |
661 | int | |
662 | Print(argc, argv, callback) | |
663 | int argc; | |
664 | char **argv, *callback; | |
665 | { | |
666 | char buf[BUFSIZ]; | |
461c03b6 | 667 | register int i; |
08345b74 | 668 | |
669 | found_some = TRUE; | |
670 | (void) strcpy(buf,argv[0]); /* no newline 'cause Put_message adds one */ | |
671 | for (i = 1; i < argc; i++) | |
672 | (void) sprintf(buf,"%s %s",buf,argv[i]); | |
673 | (void) Put_message(buf); | |
674 | ||
675 | return (SMS_CONT); | |
676 | } | |
677 | ||
678 | /* Function Name: PrintByType | |
679 | * Description: This function prints all members of the type specified | |
680 | * by the callback arg, unless the callback is NULL, in which | |
681 | * case it prints all members. | |
682 | * Arguments: argc, argc - normal arguments for sms_callback function. | |
683 | * callback - either a type of member or NULL. | |
684 | * Returns: SMS_CONT or SMS_QUIT. | |
685 | */ | |
686 | ||
687 | /*ARGSUSED*/ | |
688 | int | |
689 | PrintByType(argc, argv, callback) | |
690 | int argc; | |
691 | char **argv, *callback; | |
692 | { | |
693 | if (callback == NULL) | |
694 | return( Print(argc, argv, callback) ); | |
695 | if (strcmp(argv[0], callback) == 0) | |
0a2c64cb | 696 | return( Print(argc, argv, callback) ); |
08345b74 | 697 | return(SMS_CONT); |
698 | } | |
699 | ||
700 | /* Function Name: PrintHelp | |
701 | * Description: Prints Help Information in a NULL terminated | |
702 | * char **. | |
703 | * Arguments: message. | |
704 | * Returns: DM_NORMAL. | |
705 | */ | |
706 | ||
707 | int | |
461c03b6 | 708 | PrintHelp(message) |
08345b74 | 709 | char ** message; |
710 | { | |
711 | Print(CountArgs(message), message, (char *) NULL); | |
712 | return(DM_NORMAL); | |
713 | } | |
714 | ||
402461ad | 715 | /* Function Name: Loop |
716 | * Description: This function goes through the entire queue, and | |
717 | * and executes the given function on each element. | |
718 | * Arguments: elem - top element of the queue. | |
719 | * func - the function to execute. | |
720 | * Returns: none. | |
721 | */ | |
722 | ||
723 | void | |
724 | Loop(elem, func) | |
725 | FVoid func; | |
726 | struct qelem * elem; | |
727 | { | |
728 | while (elem != NULL) { | |
729 | char ** info = (char **) elem->q_data; | |
730 | (*func) (info); | |
731 | elem = elem->q_forw; | |
732 | } | |
733 | } | |
734 | ||
735 | ||
736 | /* Function Name: QueryLoop | |
737 | * Description: This functions loops through a queue containing | |
738 | * information about some item that we want to perform | |
739 | * an operation on, and then calls the correct routine | |
740 | * perform that operation. | |
741 | * Arguments: top - top of the queue of information. | |
742 | * print_func - print function. | |
743 | * op_function - operation to be performed. | |
744 | * query_string - string the prompts the user whether or not | |
745 | * to perform this operation. | |
746 | * Returns: none. | |
747 | * NOTES: | |
748 | * print_opt - should expect one arguent, the info array | |
749 | * of char *'s. | |
750 | * is expected to return the name of the item. | |
751 | * op_func - should expect two arguments. | |
752 | * 1) the info array of char *'s. | |
753 | * 2) a boolean the is true if there only | |
754 | * one item in this queue, used for delete | |
755 | * confirmation. | |
756 | * query_string - this should be of such a form that when the | |
757 | * name of the object and '(y/n/q) ?' are appended | |
758 | * then it should still make sense, an example is | |
759 | * "Delete the list" | |
760 | */ | |
761 | ||
762 | void | |
763 | QueryLoop(elem, print_func, op_func, query_string) | |
764 | struct qelem *elem; | |
765 | FVoid op_func; | |
766 | FCharStar print_func; | |
767 | char * query_string; | |
768 | { | |
769 | Bool one_item; | |
770 | char temp_buf[BUFSIZ], *name; | |
771 | ||
772 | one_item = (QueueCount(elem) == 1); | |
773 | while (elem != NULL) { | |
774 | char **info = (char **) elem->q_data; | |
775 | ||
776 | if (one_item) | |
777 | (*op_func) (info, one_item); | |
778 | else { | |
779 | name = (*print_func) (info); /* call print function. */ | |
0a2c64cb | 780 | sprintf(temp_buf,"%s %s (y/n/q)", query_string, name); |
402461ad | 781 | switch(YesNoQuitQuestion(temp_buf, FALSE)) { |
782 | case TRUE: | |
783 | (*op_func) (info, one_item); | |
784 | break; | |
785 | case FALSE: | |
786 | break; | |
787 | default: /* Quit. */ | |
788 | Put_message("Aborting..."); | |
789 | return; | |
790 | } | |
791 | } | |
792 | elem = elem->q_forw; | |
793 | } | |
794 | } | |
795 | ||
796 | /* Function Name: NullPrint | |
797 | * Description: print function that returns nothing. | |
798 | * Arguments: info - a pointer to the info array - Not used. | |
799 | * Returns: none. | |
800 | */ | |
801 | ||
802 | char * | |
803 | NullPrint(info) | |
804 | char ** info; | |
805 | { | |
806 | return(info[NAME]); | |
807 | } | |
808 | ||
08345b74 | 809 | /* |
810 | * Local Variables: | |
811 | * mode: c | |
812 | * c-indent-level: 4 | |
813 | * c-continued-statement-offset: 4 | |
814 | * c-brace-offset: -4 | |
815 | * c-argdecl-indent: 4 | |
816 | * c-label-offset: -4 | |
817 | * End: | |
818 | */ |