Actual source code: str.c
1: /*
2: We define the string operations here. The reason we just do not use
3: the standard string routines in the PETSc code is that on some machines
4: they are broken or have the wrong prototypes.
5: */
6: #include <petsc/private/petscimpl.h>
7: #if defined(PETSC_HAVE_STRINGS_H)
8: #include <strings.h> /* strcasecmp */
9: #endif
11: /*@C
12: PetscStrToArray - Separates a string by a character (for example ' ' or '\n') and creates an array of strings
14: Not Collective; No Fortran Support
16: Input Parameters:
17: + s - pointer to string
18: - sp - separator character
20: Output Parameters:
21: + argc - the number of entries in `args`
22: - args - an array of the entries with a `NULL` at the end
24: Level: intermediate
26: Note:
27: This may be called before `PetscInitialize()` or after `PetscFinalize()`
29: Developer Notes:
30: Uses raw `malloc()` and does not call error handlers since this may be used before PETSc is initialized.
32: Used to generate `argc`, `args` arguments passed to `MPI_Init()`
34: .seealso: `PetscStrToArrayDestroy()`, `PetscToken`, `PetscTokenCreate()`
35: @*/
36: PetscErrorCode PetscStrToArray(const char s[], char sp, int *argc, char ***args)
37: {
38: int n, i, j, *lens, cnt = 0;
39: PetscBool flg = PETSC_FALSE;
41: if (!s) n = 0;
42: else n = (int)strlen(s);
43: *argc = 0;
44: *args = NULL;
45: for (; n > 0; n--) { /* remove separator chars at the end - and will empty the string if all chars are separator chars */
46: if (s[n - 1] != sp) break;
47: }
48: if (!n) return PETSC_SUCCESS;
49: for (i = 0; i < n; i++) {
50: if (s[i] != sp) break;
51: }
52: for (; i < n + 1; i++) {
53: if ((s[i] == sp || s[i] == 0) && !flg) {
54: flg = PETSC_TRUE;
55: (*argc)++;
56: } else if (s[i] != sp) {
57: flg = PETSC_FALSE;
58: }
59: }
60: (*args) = (char **)malloc(((*argc) + 1) * sizeof(char *));
61: if (!*args) return PETSC_ERR_MEM;
62: lens = (int *)malloc(((*argc) + 1) * sizeof(int));
63: if (!lens) return PETSC_ERR_MEM;
64: for (i = 0; i < *argc; i++) lens[i] = 0;
66: *argc = 0;
67: for (i = 0; i < n; i++) {
68: if (s[i] != sp) break;
69: }
70: for (; i < n + 1; i++) {
71: if ((s[i] == sp || s[i] == 0) && !flg) {
72: flg = PETSC_TRUE;
73: (*argc)++;
74: } else if (s[i] != sp) {
75: lens[*argc]++;
76: flg = PETSC_FALSE;
77: }
78: }
80: for (i = 0; i < *argc; i++) {
81: (*args)[i] = (char *)malloc((lens[i] + 1) * sizeof(char));
82: if (!(*args)[i]) {
83: free(lens);
84: for (j = 0; j < i; j++) free((*args)[j]);
85: free(*args);
86: return PETSC_ERR_MEM;
87: }
88: }
89: free(lens);
90: (*args)[*argc] = NULL;
92: *argc = 0;
93: for (i = 0; i < n; i++) {
94: if (s[i] != sp) break;
95: }
96: for (; i < n + 1; i++) {
97: if ((s[i] == sp || s[i] == 0) && !flg) {
98: flg = PETSC_TRUE;
99: (*args)[*argc][cnt++] = 0;
100: (*argc)++;
101: cnt = 0;
102: } else if (s[i] != sp && s[i] != 0) {
103: (*args)[*argc][cnt++] = s[i];
104: flg = PETSC_FALSE;
105: }
106: }
107: return PETSC_SUCCESS;
108: }
110: /*@C
111: PetscStrToArrayDestroy - Frees array created with `PetscStrToArray()`.
113: Not Collective; No Fortran Support
115: Output Parameters:
116: + argc - the number of arguments
117: - args - the array of arguments
119: Level: intermediate
121: Note:
122: This may be called before `PetscInitialize()` or after `PetscFinalize()`
124: .seealso: `PetscStrToArray()`
125: @*/
126: PetscErrorCode PetscStrToArrayDestroy(int argc, char **args)
127: {
128: for (int i = 0; i < argc; ++i) free(args[i]);
129: if (args) free(args);
130: return PETSC_SUCCESS;
131: }
133: /*@C
134: PetscStrArrayallocpy - Allocates space to hold a copy of an array of strings then copies the strings
136: Not Collective; No Fortran Support
138: Input Parameter:
139: . list - pointer to array of strings (final string is a `NULL`)
141: Output Parameter:
142: . t - the copied array string
144: Level: intermediate
146: Note:
147: If `t` has previously been allocated then that memory is lost, you may need to `PetscStrArrayDestroy()`
148: the array before calling this routine.
150: .seealso: `PetscStrallocpy()`, `PetscStrArrayDestroy()`, `PetscStrNArrayallocpy()`
151: @*/
152: PetscErrorCode PetscStrArrayallocpy(const char *const *list, char ***t)
153: {
154: PetscInt n = 0;
156: PetscFunctionBegin;
157: while (list[n++]);
158: PetscCall(PetscMalloc1(n + 1, t));
159: for (PetscInt i = 0; i < n; i++) PetscCall(PetscStrallocpy(list[i], (*t) + i));
160: (*t)[n] = NULL;
161: PetscFunctionReturn(PETSC_SUCCESS);
162: }
164: /*@C
165: PetscStrArrayDestroy - Frees array of strings created with `PetscStrArrayallocpy()`.
167: Not Collective; No Fortran Support
169: Output Parameter:
170: . list - array of strings
172: Level: intermediate
174: .seealso: `PetscStrArrayallocpy()`
175: @*/
176: PetscErrorCode PetscStrArrayDestroy(char ***list)
177: {
178: PetscInt n = 0;
180: PetscFunctionBegin;
181: if (!*list) PetscFunctionReturn(PETSC_SUCCESS);
182: while ((*list)[n]) {
183: PetscCall(PetscFree((*list)[n]));
184: ++n;
185: }
186: PetscCall(PetscFree(*list));
187: PetscFunctionReturn(PETSC_SUCCESS);
188: }
190: /*@C
191: PetscStrNArrayallocpy - Allocates space to hold a copy of an array of strings then copies the strings
193: Not Collective; No Fortran Support
195: Input Parameters:
196: + n - the number of string entries
197: - list - pointer to array of strings
199: Output Parameter:
200: . t - the copied array string
202: Level: intermediate
204: .seealso: `PetscStrallocpy()`, `PetscStrArrayallocpy()`, `PetscStrNArrayDestroy()`
205: @*/
206: PetscErrorCode PetscStrNArrayallocpy(PetscInt n, const char *const *list, char ***t)
207: {
208: PetscFunctionBegin;
209: PetscCall(PetscMalloc1(n, t));
210: for (PetscInt i = 0; i < n; i++) PetscCall(PetscStrallocpy(list[i], (*t) + i));
211: PetscFunctionReturn(PETSC_SUCCESS);
212: }
214: /*@C
215: PetscStrNArrayDestroy - Frees array of strings created with `PetscStrNArrayallocpy()`.
217: Not Collective; No Fortran Support
219: Output Parameters:
220: + n - number of string entries
221: - list - array of strings
223: Level: intermediate
225: .seealso: `PetscStrNArrayallocpy()`, `PetscStrArrayallocpy()`
226: @*/
227: PetscErrorCode PetscStrNArrayDestroy(PetscInt n, char ***list)
228: {
229: PetscFunctionBegin;
230: if (!*list) PetscFunctionReturn(PETSC_SUCCESS);
231: for (PetscInt i = 0; i < n; i++) PetscCall(PetscFree((*list)[i]));
232: PetscCall(PetscFree(*list));
233: PetscFunctionReturn(PETSC_SUCCESS);
234: }
236: /*@C
237: PetscBasename - returns a pointer to the last entry of a / or \ separated directory path
239: Not Collective; No Fortran Support
241: Input Parameter:
242: . a - pointer to string
244: Level: intermediate
246: .seealso: `PetscStrgrt()`, `PetscStrncmp()`, `PetscStrcasecmp()`, `PetscStrrchr()`, `PetscStrcmp()`, `PetscStrstr()`,
247: `PetscTokenCreate()`, `PetscStrToArray()`, `PetscStrInList()`
248: @*/
249: const char *PetscBasename(const char a[])
250: {
251: const char *ptr = NULL;
253: (void)PetscStrrchr(a, '/', (char **)&ptr);
254: if (ptr == a) {
255: if (PetscStrrchr(a, '\\', (char **)&ptr)) ptr = NULL;
256: }
257: return ptr;
258: }
260: /*@C
261: PetscStrcasecmp - Returns true if the two strings are the same
262: except possibly for case.
264: Not Collective; No Fortran Support
266: Input Parameters:
267: + a - pointer to first string
268: - b - pointer to second string
270: Output Parameter:
271: . t - if the two strings are the same
273: Level: intermediate
275: Note:
276: `NULL` arguments are ok
278: .seealso: `PetscStrcmp()`, `PetscStrncmp()`, `PetscStrgrt()`
279: @*/
280: PetscErrorCode PetscStrcasecmp(const char a[], const char b[], PetscBool *t)
281: {
282: int c;
284: PetscFunctionBegin;
285: PetscAssertPointer(t, 3);
286: if (!a && !b) c = 0;
287: else if (!a || !b) c = 1;
288: #if defined(PETSC_HAVE_STRCASECMP)
289: else c = strcasecmp(a, b);
290: #elif defined(PETSC_HAVE_STRICMP)
291: else c = stricmp(a, b);
292: #else
293: else {
294: char *aa, *bb;
296: PetscCall(PetscStrallocpy(a, &aa));
297: PetscCall(PetscStrallocpy(b, &bb));
298: PetscCall(PetscStrtolower(aa));
299: PetscCall(PetscStrtolower(bb));
300: PetscCall(PetscStrcmp(aa, bb, t));
301: PetscCall(PetscFree(aa));
302: PetscCall(PetscFree(bb));
303: PetscFunctionReturn(PETSC_SUCCESS);
304: }
305: #endif
306: *t = c ? PETSC_FALSE : PETSC_TRUE;
307: PetscFunctionReturn(PETSC_SUCCESS);
308: }
310: /*@C
311: PetscStrendswithwhich - Determines if a string ends with one of several possible strings
313: Not Collective; No Fortran Support
315: Input Parameters:
316: + a - pointer to string
317: - bs - strings to end with (last entry must be `NULL`)
319: Output Parameter:
320: . cnt - the index of the string it ends with or the index of `NULL`
322: Level: intermediate
324: .seealso: `PetscStrbeginswithwhich()`, `PetscStrendswith()`, `PetscStrtoupper`, `PetscStrtolower()`, `PetscStrrchr()`, `PetscStrchr()`,
325: `PetscStrncmp()`, `PetscStrlen()`, `PetscStrcmp()`
326: @*/
327: PetscErrorCode PetscStrendswithwhich(const char a[], const char *const *bs, PetscInt *cnt)
328: {
329: PetscFunctionBegin;
330: PetscAssertPointer(bs, 2);
331: PetscAssertPointer(cnt, 3);
332: *cnt = 0;
333: while (bs[*cnt]) {
334: PetscBool flg;
336: PetscCall(PetscStrendswith(a, bs[*cnt], &flg));
337: if (flg) PetscFunctionReturn(PETSC_SUCCESS);
338: ++(*cnt);
339: }
340: PetscFunctionReturn(PETSC_SUCCESS);
341: }
343: struct _p_PetscToken {
344: char token;
345: char *array;
346: char *current;
347: };
349: /*@C
350: PetscTokenFind - Locates next "token" in a `PetscToken`
352: Not Collective; No Fortran Support
354: Input Parameter:
355: . a - pointer to token
357: Output Parameter:
358: . result - location of occurrence, `NULL` if not found
360: Level: intermediate
362: Notes:
363: Treats all characters etc. inside a double quote "
364: as a single token.
366: For example if the separator character is + and the string is xxxx+y then the first fine will return a pointer to a `NULL` terminated xxxx and the
367: second will return a `NULL` terminated y
369: If the separator character is + and the string is xxxx then the first and only token found will be a pointer to a `NULL` terminated xxxx
371: .seealso: `PetscToken`, `PetscTokenCreate()`, `PetscTokenDestroy()`
372: @*/
373: PetscErrorCode PetscTokenFind(PetscToken a, char *result[])
374: {
375: char *ptr, token;
377: PetscFunctionBegin;
378: PetscAssertPointer(a, 1);
379: PetscAssertPointer(result, 2);
380: *result = ptr = a->current;
381: if (ptr && !*ptr) {
382: *result = NULL;
383: PetscFunctionReturn(PETSC_SUCCESS);
384: }
385: token = a->token;
386: if (ptr && (*ptr == '"')) {
387: token = '"';
388: (*result)++;
389: ptr++;
390: }
391: while (ptr) {
392: if (*ptr == token) {
393: *ptr++ = 0;
394: while (*ptr == a->token) ptr++;
395: a->current = ptr;
396: break;
397: }
398: if (!*ptr) {
399: a->current = NULL;
400: break;
401: }
402: ptr++;
403: }
404: PetscFunctionReturn(PETSC_SUCCESS);
405: }
407: /*@C
408: PetscTokenCreate - Creates a `PetscToken` used to find tokens in a string
410: Not Collective; No Fortran Support
412: Input Parameters:
413: + a - the string to look in
414: - b - the separator character
416: Output Parameter:
417: . t - the token object
419: Level: intermediate
421: Note:
422: This version is different from the system version in that
423: it allows you to pass a read-only string into the function.
425: .seealso: `PetscToken`, `PetscTokenFind()`, `PetscTokenDestroy()`
426: @*/
427: PetscErrorCode PetscTokenCreate(const char a[], char b, PetscToken *t)
428: {
429: PetscFunctionBegin;
430: PetscAssertPointer(a, 1);
431: PetscAssertPointer(t, 3);
432: PetscCall(PetscNew(t));
433: PetscCall(PetscStrallocpy(a, &(*t)->array));
435: (*t)->current = (*t)->array;
436: (*t)->token = b;
437: PetscFunctionReturn(PETSC_SUCCESS);
438: }
440: /*@C
441: PetscTokenDestroy - Destroys a `PetscToken`
443: Not Collective; No Fortran Support
445: Input Parameter:
446: . a - pointer to token
448: Level: intermediate
450: .seealso: `PetscToken`, `PetscTokenCreate()`, `PetscTokenFind()`
451: @*/
452: PetscErrorCode PetscTokenDestroy(PetscToken *a)
453: {
454: PetscFunctionBegin;
455: if (!*a) PetscFunctionReturn(PETSC_SUCCESS);
456: PetscCall(PetscFree((*a)->array));
457: PetscCall(PetscFree(*a));
458: PetscFunctionReturn(PETSC_SUCCESS);
459: }
461: /*@C
462: PetscStrInList - search for a string in character-delimited list
464: Not Collective; No Fortran Support
466: Input Parameters:
467: + str - the string to look for
468: . list - the list to search in
469: - sep - the separator character
471: Output Parameter:
472: . found - whether `str` is in `list`
474: Level: intermediate
476: .seealso: `PetscTokenCreate()`, `PetscTokenFind()`, `PetscStrcmp()`
477: @*/
478: PetscErrorCode PetscStrInList(const char str[], const char list[], char sep, PetscBool *found)
479: {
480: PetscToken token;
481: char *item;
483: PetscFunctionBegin;
484: PetscAssertPointer(found, 4);
485: *found = PETSC_FALSE;
486: PetscCall(PetscTokenCreate(list, sep, &token));
487: PetscCall(PetscTokenFind(token, &item));
488: while (item) {
489: PetscCall(PetscStrcmp(str, item, found));
490: if (*found) break;
491: PetscCall(PetscTokenFind(token, &item));
492: }
493: PetscCall(PetscTokenDestroy(&token));
494: PetscFunctionReturn(PETSC_SUCCESS);
495: }
497: /*@C
498: PetscGetPetscDir - Gets the directory PETSc is installed in
500: Not Collective; No Fortran Support
502: Output Parameter:
503: . dir - the directory
505: Level: developer
507: .seealso: `PetscGetArchType()`
508: @*/
509: PetscErrorCode PetscGetPetscDir(const char *dir[])
510: {
511: PetscFunctionBegin;
512: PetscAssertPointer(dir, 1);
513: *dir = PETSC_DIR;
514: PetscFunctionReturn(PETSC_SUCCESS);
515: }
517: /*@C
518: PetscStrreplace - Replaces substrings in string with other substrings
520: Not Collective; No Fortran Support
522: Input Parameters:
523: + comm - `MPI_Comm` of processors that are processing the string
524: . aa - the string to look in
525: . b - the resulting copy of a with replaced strings (`b` can be the same as `a`)
526: - len - the length of `b`
528: Level: developer
530: Notes:
531: Replaces ${PETSC_ARCH},${PETSC_DIR},${PETSC_LIB_DIR},${DISPLAY},
532: ${HOMEDIRECTORY},${WORKINGDIRECTORY},${USERNAME}, ${HOSTNAME}, ${PETSC_MAKE} with appropriate values
533: as well as any environmental variables.
535: `PETSC_LIB_DIR` uses the environmental variable if it exists. `PETSC_ARCH` and `PETSC_DIR` use what
536: PETSc was built with and do not use environmental variables.
538: .seealso: `PetscStrcmp()`
539: @*/
540: PetscErrorCode PetscStrreplace(MPI_Comm comm, const char aa[], char b[], size_t len)
541: {
542: int i = 0;
543: size_t l, l1, l2, l3;
544: char *work, *par, *epar = NULL, env[1024], *tfree, *a = (char *)aa;
545: const char *s[] = {"${PETSC_ARCH}", "${PETSC_DIR}", "${PETSC_LIB_DIR}", "${DISPLAY}", "${HOMEDIRECTORY}", "${WORKINGDIRECTORY}", "${USERNAME}", "${HOSTNAME}", "${PETSC_MAKE}", NULL};
546: char *r[] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL};
547: PetscBool flag;
548: static size_t DISPLAY_LENGTH = 265, USER_LENGTH = 256, HOST_LENGTH = 256;
550: PetscFunctionBegin;
551: PetscAssertPointer(aa, 2);
552: PetscAssertPointer(b, 3);
553: if (aa == b) PetscCall(PetscStrallocpy(aa, (char **)&a));
554: PetscCall(PetscMalloc1(len, &work));
556: /* get values for replaced variables */
557: PetscCall(PetscStrallocpy(PETSC_ARCH, &r[0]));
558: PetscCall(PetscStrallocpy(PETSC_DIR, &r[1]));
559: PetscCall(PetscStrallocpy(PETSC_LIB_DIR, &r[2]));
560: PetscCall(PetscMalloc1(DISPLAY_LENGTH, &r[3]));
561: PetscCall(PetscMalloc1(PETSC_MAX_PATH_LEN, &r[4]));
562: PetscCall(PetscMalloc1(PETSC_MAX_PATH_LEN, &r[5]));
563: PetscCall(PetscMalloc1(USER_LENGTH, &r[6]));
564: PetscCall(PetscMalloc1(HOST_LENGTH, &r[7]));
565: PetscCall(PetscGetDisplay(r[3], DISPLAY_LENGTH));
566: PetscCall(PetscGetHomeDirectory(r[4], PETSC_MAX_PATH_LEN));
567: PetscCall(PetscGetWorkingDirectory(r[5], PETSC_MAX_PATH_LEN));
568: PetscCall(PetscGetUserName(r[6], USER_LENGTH));
569: PetscCall(PetscGetHostName(r[7], HOST_LENGTH));
570: PetscCall(PetscStrallocpy(PETSC_OMAKE, &r[8]));
572: /* replace that are in environment */
573: PetscCall(PetscOptionsGetenv(comm, "PETSC_LIB_DIR", env, sizeof(env), &flag));
574: if (flag) {
575: PetscCall(PetscFree(r[2]));
576: PetscCall(PetscStrallocpy(env, &r[2]));
577: }
579: /* replace the requested strings */
580: PetscCall(PetscStrncpy(b, a, len));
581: while (s[i]) {
582: PetscCall(PetscStrlen(s[i], &l));
583: PetscCall(PetscStrstr(b, s[i], &par));
584: while (par) {
585: *par = 0;
586: par += l;
588: PetscCall(PetscStrlen(b, &l1));
589: PetscCall(PetscStrlen(r[i], &l2));
590: PetscCall(PetscStrlen(par, &l3));
591: PetscCheck(l1 + l2 + l3 < len, PETSC_COMM_SELF, PETSC_ERR_ARG_SIZ, "b len is not long enough to hold new values");
592: PetscCall(PetscStrncpy(work, b, len));
593: PetscCall(PetscStrlcat(work, r[i], len));
594: PetscCall(PetscStrlcat(work, par, len));
595: PetscCall(PetscStrncpy(b, work, len));
596: PetscCall(PetscStrstr(b, s[i], &par));
597: }
598: i++;
599: }
600: i = 0;
601: while (r[i]) {
602: tfree = (char *)r[i];
603: PetscCall(PetscFree(tfree));
604: i++;
605: }
607: /* look for any other ${xxx} strings to replace from environmental variables */
608: PetscCall(PetscStrstr(b, "${", &par));
609: while (par) {
610: *par = 0;
611: par += 2;
612: PetscCall(PetscStrncpy(work, b, len));
613: PetscCall(PetscStrstr(par, "}", &epar));
614: *epar = 0;
615: epar += 1;
616: PetscCall(PetscOptionsGetenv(comm, par, env, sizeof(env), &flag));
617: PetscCheck(flag, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "Substitution string ${%s} not found as environmental variable", par);
618: PetscCall(PetscStrlcat(work, env, len));
619: PetscCall(PetscStrlcat(work, epar, len));
620: PetscCall(PetscStrncpy(b, work, len));
621: PetscCall(PetscStrstr(b, "${", &par));
622: }
623: PetscCall(PetscFree(work));
624: if (aa == b) PetscCall(PetscFree(a));
625: PetscFunctionReturn(PETSC_SUCCESS);
626: }
628: /*@C
629: PetscStrcmpAny - Determines whether a string matches any of a list of strings.
631: Not Collective, No Fortran Support
633: Input Parameters:
634: + src - pointer to input the string
635: - cmp - list of non-null and non-empty strings to be compared against, pass the empty string "" to terminate the list
637: Output Parameter:
638: . match - `PETSC_TRUE` if the input string matches any in the list, else `PETSC_FALSE`
640: Level: intermediate
642: .seealso: `PetscStrcmp()`
643: @*/
644: PetscErrorCode PetscStrcmpAny(const char src[], PetscBool *match, const char cmp[], ...)
645: {
646: va_list Argp;
648: PetscFunctionBegin;
649: PetscAssertPointer(match, 2);
650: *match = PETSC_FALSE;
651: if (!src) PetscFunctionReturn(PETSC_SUCCESS);
652: va_start(Argp, cmp);
653: while (cmp && cmp[0]) {
654: PetscBool found;
655: PetscCall(PetscStrcmp(src, cmp, &found));
656: if (found) {
657: *match = PETSC_TRUE;
658: break;
659: }
660: cmp = va_arg(Argp, const char *);
661: }
662: va_end(Argp);
663: PetscFunctionReturn(PETSC_SUCCESS);
664: }
666: /*@C
667: PetscEListFind - searches list of strings for given string, using case insensitive matching
669: Not Collective; No Fortran Support
671: Input Parameters:
672: + n - number of strings in
673: . list - list of strings to search
674: - str - string to look for, empty string "" accepts default (first entry in list)
676: Output Parameters:
677: + value - index of matching string (if found)
678: - found - boolean indicating whether string was found (can be `NULL`)
680: Level: developer
682: .seealso: `PetscEnumFind()`
683: @*/
684: PetscErrorCode PetscEListFind(PetscInt n, const char *const *list, const char *str, PetscInt *value, PetscBool *found)
685: {
686: PetscFunctionBegin;
687: if (found) {
688: PetscAssertPointer(found, 5);
689: *found = PETSC_FALSE;
690: }
691: for (PetscInt i = 0; i < n; ++i) {
692: PetscBool matched;
694: PetscCall(PetscStrcasecmp(str, list[i], &matched));
695: if (matched || !str[0]) {
696: if (found) *found = PETSC_TRUE;
697: *value = i;
698: break;
699: }
700: }
701: PetscFunctionReturn(PETSC_SUCCESS);
702: }
704: /*@C
705: PetscEnumFind - searches enum list of strings for given string, using case insensitive matching
707: Not Collective; No Fortran Support
709: Input Parameters:
710: + enumlist - list of strings to search, followed by enum name, then enum prefix, then `NULL`
711: - str - string to look for
713: Output Parameters:
714: + value - index of matching string (if found)
715: - found - boolean indicating whether string was found (can be `NULL`)
717: Level: advanced
719: .seealso: `PetscEListFind()`
720: @*/
721: PetscErrorCode PetscEnumFind(const char *const *enumlist, const char *str, PetscEnum *value, PetscBool *found)
722: {
723: PetscInt n = 0, evalue;
724: PetscBool efound;
726: PetscFunctionBegin;
727: PetscAssertPointer(enumlist, 1);
728: while (enumlist[n++]) PetscCheck(n <= 50, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "List argument appears to be wrong or have more than 50 entries");
729: PetscCheck(n >= 3, PETSC_COMM_SELF, PETSC_ERR_ARG_WRONG, "List argument must have at least two entries: typename and type prefix");
730: n -= 3; /* drop enum name, prefix, and null termination */
731: PetscCall(PetscEListFind(n, enumlist, str, &evalue, &efound));
732: if (efound) {
733: PetscAssertPointer(value, 3);
734: *value = (PetscEnum)evalue;
735: }
736: if (found) {
737: PetscAssertPointer(found, 4);
738: *found = efound;
739: }
740: PetscFunctionReturn(PETSC_SUCCESS);
741: }
743: /*@C
744: PetscCIFilename - returns the basename of a file name when the PETSc CI portable error output mode is enabled.
746: Not Collective; No Fortran Support
748: Input Parameter:
749: . file - the file name
751: Level: developer
753: Note:
754: PETSc CI mode is a mode of running PETSc where output (both error and non-error) is made portable across all systems
755: so that comparisons of output between runs are easy to make.
757: This mode is used for all tests in the test harness, it applies to both debug and optimized builds.
759: Use the option `-petsc_ci` to turn on PETSc CI mode. It changes certain output in non-error situations to be portable for
760: all systems, mainly the output of options. It is passed to all PETSc programs automatically by the test harness.
762: Always uses the Unix / as the file separate even on Microsoft Windows systems
764: The option `-petsc_ci_portable_error_output` attempts to output the same error messages on all systems for the test harness.
765: In particular the output of filenames and line numbers in PETSc stacks. This is to allow (limited) checking of PETSc
766: error handling by the test harness. This options also causes PETSc to attempt to return an error code of 0 so that the test
767: harness can process the output for differences in the usual manner as for successful runs. It should be provided to the test
768: harness in the args: argument for specific examples. It will not necessarily produce portable output if different errors
769: (or no errors) occur on a subset of the MPI ranks.
771: .seealso: `PetscCILinenumber()`
772: @*/
773: const char *PetscCIFilename(const char *file)
774: {
775: if (!PetscCIEnabledPortableErrorOutput) return file;
776: return PetscBasename(file);
777: }
779: /*@C
780: PetscCILinenumber - returns a line number except if `PetscCIEnablePortableErrorOutput` is set when it returns 0
782: Not Collective; No Fortran Support
784: Input Parameter:
785: . linenumber - the initial line number
787: Level: developer
789: Note:
790: See `PetscCIFilename()` for details on usage
792: .seealso: `PetscCIFilename()`
793: @*/
794: int PetscCILinenumber(int linenumber)
795: {
796: if (!PetscCIEnabledPortableErrorOutput) return linenumber;
797: return 0;
798: }
800: /*@C
801: PetscStrcat - Concatenates a string onto a given string
803: Not Collective, No Fortran Support
805: Input Parameters:
806: + s - string to be added to
807: - t - pointer to string to be added to end
809: Level: deprecated (since 3.18.5)
811: Notes:
812: It is recommended you use `PetscStrlcat()` instead of this routine.
814: .seealso: `PetscStrlcat()`
815: @*/
816: PetscErrorCode PetscStrcat(char s[], const char t[])
817: {
818: PetscFunctionBegin;
819: if (!t) PetscFunctionReturn(PETSC_SUCCESS);
820: PetscAssertPointer(s, 1);
821: strcat(s, t);
822: PetscFunctionReturn(PETSC_SUCCESS);
823: }
825: /*@C
826: PetscStrcpy - Copies a string
828: Not Collective, No Fortran Support
830: Input Parameter:
831: . t - pointer to string
833: Output Parameter:
834: . s - the copied string
836: Level: deprecated (since 3.18.5)
838: Notes:
839: It is recommended you use `PetscStrncpy()` (equivalently `PetscArraycpy()` or
840: `PetscMemcpy()`) instead of this routine.
842: `NULL` strings returns a string starting with zero.
844: .seealso: `PetscStrncpy()`
845: @*/
846: PetscErrorCode PetscStrcpy(char s[], const char t[])
847: {
848: PetscFunctionBegin;
849: if (t) {
850: PetscAssertPointer(s, 1);
851: PetscAssertPointer(t, 2);
852: strcpy(s, t);
853: } else if (s) {
854: s[0] = '\0';
855: }
856: PetscFunctionReturn(PETSC_SUCCESS);
857: }