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50e24903 DS |
1 | /* CSV |
2 | * Copyright (C) 2013 Cumulus Networks, Inc. | |
3 | * | |
4 | * This file is part of Quagga. | |
5 | * | |
6 | * Quagga is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2, or (at your option) any | |
9 | * later version. | |
10 | * | |
11 | * Quagga is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with Quagga; see the file COPYING. If not, write to the Free | |
18 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA | |
19 | * 02111-1307, USA. | |
20 | */ | |
c43ed2e4 DS |
21 | #include <stdio.h> |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <stdarg.h> | |
25 | #include <assert.h> | |
26 | #include <sys/queue.h> | |
27 | #include <fcntl.h> | |
28 | #include <unistd.h> | |
29 | #include "csv.h" | |
30 | ||
31 | #define DEBUG_E 1 | |
32 | #define DEBUG_V 1 | |
33 | ||
34 | #define log_error(fmt, ...) \ | |
35 | do { if (DEBUG_E) fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \ | |
36 | __LINE__, __func__, ##__VA_ARGS__); } while (0) | |
37 | ||
38 | #define log_verbose(fmt, ...) \ | |
39 | do { if (DEBUG_V) fprintf(stderr, "%s:%d:%s(): " fmt, __FILE__, \ | |
40 | __LINE__, __func__, __VA_ARGS__); } while (0) | |
41 | ||
42 | struct _csv_field_t_ { | |
43 | TAILQ_ENTRY(_csv_field_t_) next_field; | |
44 | char *field; | |
45 | int field_len; | |
46 | }; | |
47 | ||
48 | struct _csv_record_t_ { | |
49 | TAILQ_HEAD(, _csv_field_t_) fields; | |
50 | TAILQ_ENTRY(_csv_record_t_) next_record; | |
51 | char *record; | |
52 | int rec_len; | |
53 | }; | |
54 | ||
55 | struct _csv_t_ { | |
56 | TAILQ_HEAD(, _csv_record_t_) records; | |
57 | char *buf; | |
58 | int buflen; | |
59 | int csv_len; | |
60 | int pointer; | |
61 | int num_recs; | |
62 | }; | |
63 | ||
64 | ||
65 | int | |
66 | csvlen (csv_t *csv) | |
67 | { | |
68 | return (csv->csv_len); | |
69 | } | |
70 | ||
71 | csv_t * | |
72 | csv_init (csv_t *csv, | |
73 | char *buf, | |
74 | int buflen) | |
75 | { | |
76 | if (csv == NULL) { | |
77 | csv = malloc(sizeof(csv_t)); | |
78 | if (csv == NULL) { | |
79 | log_error("CSV Malloc failed\n"); | |
80 | return (NULL); | |
81 | } | |
82 | } | |
83 | memset(csv, 0, sizeof(csv_t)); | |
84 | ||
85 | csv->buf = buf; | |
86 | csv->buflen = buflen; | |
87 | TAILQ_INIT(&(csv->records)); | |
88 | return (csv); | |
89 | } | |
90 | ||
91 | void | |
92 | csv_clean (csv_t *csv) | |
93 | { | |
94 | csv_record_t *rec; | |
95 | csv_record_t *rec_n; | |
96 | ||
97 | rec = TAILQ_FIRST(&(csv->records)); | |
98 | while (rec != NULL) { | |
99 | rec_n = TAILQ_NEXT(rec, next_record); | |
100 | csv_remove_record(csv, rec); | |
101 | rec = rec_n; | |
102 | } | |
103 | } | |
104 | ||
105 | void | |
106 | csv_free (csv_t *csv) | |
107 | { | |
108 | if (csv != NULL) { | |
109 | free(csv); | |
110 | } | |
111 | } | |
112 | ||
113 | static void | |
114 | csv_init_record (csv_record_t *record) | |
115 | { | |
116 | TAILQ_INIT(&(record->fields)); | |
117 | record->rec_len = 0; | |
118 | } | |
119 | ||
120 | csv_record_t * | |
121 | csv_record_iter (csv_t *csv) | |
122 | { | |
123 | return(TAILQ_FIRST(&(csv->records))); | |
124 | } | |
125 | ||
126 | csv_record_t * | |
127 | csv_record_iter_next (csv_record_t *rec) | |
128 | { | |
129 | if(!rec) return NULL; | |
130 | return(TAILQ_NEXT(rec, next_record)); | |
131 | } | |
132 | ||
133 | char * | |
134 | csv_field_iter (csv_record_t *rec, | |
135 | csv_field_t **fld) | |
136 | { | |
137 | if(!rec) return NULL; | |
138 | *fld = TAILQ_FIRST(&(rec->fields)); | |
139 | return ((*fld)->field); | |
140 | } | |
141 | ||
142 | char * | |
143 | csv_field_iter_next (csv_field_t **fld) | |
144 | { | |
145 | *fld = TAILQ_NEXT(*fld, next_field); | |
146 | if ((*fld) == NULL) { | |
147 | return (NULL); | |
148 | } | |
149 | return ((*fld)->field); | |
150 | } | |
151 | ||
152 | int | |
153 | csv_field_len(csv_field_t *fld) | |
154 | { | |
155 | if (fld) { | |
156 | return fld->field_len; | |
157 | } | |
158 | return 0; | |
159 | } | |
160 | ||
161 | static void | |
162 | csv_decode_record(csv_record_t *rec) | |
163 | { | |
164 | char *curr = rec->record; | |
165 | char *field; | |
166 | csv_field_t *fld; | |
167 | ||
168 | field = strpbrk(curr, ","); | |
169 | while (field != NULL) { | |
170 | fld = malloc(sizeof(csv_field_t)); | |
171 | if (fld) { | |
172 | TAILQ_INSERT_TAIL(&(rec->fields), fld, next_field); | |
173 | fld->field = curr; | |
174 | fld->field_len = field-curr; | |
175 | } | |
176 | curr = field + 1; | |
177 | field = strpbrk(curr, ","); | |
178 | } | |
179 | field = strstr(curr, "\n"); | |
14878121 DL |
180 | if (!field) |
181 | return; | |
182 | ||
c43ed2e4 | 183 | fld = malloc(sizeof(csv_field_t)); |
14878121 | 184 | if (fld) { |
c43ed2e4 DS |
185 | fld->field = curr; |
186 | fld->field_len = field-curr; | |
187 | TAILQ_INSERT_TAIL(&(rec->fields), fld, next_field); | |
188 | } | |
189 | } | |
190 | ||
191 | static csv_field_t * | |
192 | csv_add_field_to_record(csv_t *csv, | |
193 | csv_record_t *rec, | |
194 | char *col) | |
195 | { | |
196 | csv_field_t *fld; | |
197 | char *str = rec->record; | |
198 | int rlen = rec->rec_len; | |
199 | int blen = csv->buflen; | |
200 | ||
201 | fld = malloc(sizeof(csv_field_t)); | |
202 | if (!fld) { | |
203 | log_error("field malloc failed\n"); | |
204 | /* more cleanup needed */ | |
205 | return (NULL); | |
206 | } | |
207 | TAILQ_INSERT_TAIL(&(rec->fields), fld, next_field); | |
208 | fld->field = str+rlen; | |
209 | fld->field_len = snprintf((str+rlen), (blen - rlen), "%s", col); | |
210 | rlen += fld->field_len; | |
211 | rec->rec_len = rlen; | |
212 | return fld; | |
213 | } | |
214 | ||
215 | csv_record_t * | |
216 | csv_encode (csv_t *csv, | |
217 | int count, | |
218 | ...) | |
219 | { | |
220 | int tempc; | |
221 | va_list list; | |
222 | char *buf = csv->buf; | |
223 | int len = csv->buflen; | |
224 | int pointer = csv->pointer; | |
225 | char *str = NULL; | |
226 | char *col; | |
227 | csv_record_t *rec; | |
228 | csv_field_t *fld; | |
229 | ||
230 | if (buf) { | |
231 | str = buf + pointer; | |
232 | } else { | |
233 | /* allocate sufficient buffer */ | |
234 | str = (char *)malloc(csv->buflen); | |
235 | if (!str) { | |
236 | log_error("field str malloc failed\n"); | |
237 | return (NULL); | |
238 | } | |
239 | } | |
240 | ||
241 | va_start(list, count); | |
242 | rec = malloc(sizeof(csv_record_t)); | |
243 | if (!rec) { | |
244 | log_error("record malloc failed\n"); | |
8ac88545 DL |
245 | if (!buf) |
246 | free(str); | |
247 | va_end(list); | |
c43ed2e4 DS |
248 | return (NULL); |
249 | } | |
250 | csv_init_record(rec); | |
251 | rec->record = str; | |
252 | TAILQ_INSERT_TAIL(&(csv->records), rec, next_record); | |
253 | csv->num_recs++; | |
254 | ||
255 | /** | |
256 | * Iterate through the fields passed as a variable list and add them | |
257 | */ | |
258 | for (tempc = 0; tempc < count; tempc++) { | |
259 | col = va_arg(list, char *); | |
260 | fld = csv_add_field_to_record(csv, rec, col); | |
261 | if (!fld) { | |
262 | log_error("fld malloc failed\n"); | |
263 | csv_remove_record(csv, rec); | |
8ac88545 | 264 | va_end(list); |
c43ed2e4 DS |
265 | return (NULL); |
266 | } | |
267 | if (tempc < (count - 1)) { | |
268 | rec->rec_len += snprintf((str+rec->rec_len), (len - rec->rec_len), ","); | |
269 | } | |
270 | } | |
271 | rec->rec_len += snprintf((str+rec->rec_len), (len - rec->rec_len), "\n"); | |
272 | va_end(list); | |
273 | csv->csv_len += rec->rec_len; | |
274 | csv->pointer += rec->rec_len; | |
275 | return (rec); | |
276 | } | |
277 | ||
278 | int | |
279 | csv_num_records (csv_t *csv) | |
280 | { | |
281 | if (csv) { | |
282 | return csv->num_recs; | |
283 | } | |
284 | return 0; | |
285 | } | |
286 | ||
287 | csv_record_t * | |
288 | csv_encode_record (csv_t *csv, | |
289 | csv_record_t *rec, | |
290 | int count, | |
291 | ...) | |
292 | { | |
293 | int tempc; | |
294 | va_list list; | |
295 | char *str; | |
296 | char *col; | |
284cf393 | 297 | csv_field_t *fld = NULL; |
c43ed2e4 DS |
298 | int i; |
299 | ||
300 | va_start(list, count); | |
301 | str = csv_field_iter(rec, &fld); | |
302 | for (tempc = 0; tempc < count; tempc++) { | |
303 | col = va_arg(list, char *); | |
304 | for (i = 0; i < fld->field_len; i++) { | |
305 | str[i] = col[i]; | |
306 | } | |
307 | str = csv_field_iter_next(&fld); | |
308 | } | |
309 | va_end(list); | |
310 | return (rec); | |
311 | } | |
312 | ||
313 | csv_record_t * | |
314 | csv_append_record (csv_t *csv, | |
315 | csv_record_t *rec, | |
316 | int count, | |
317 | ...) | |
318 | { | |
319 | int tempc; | |
320 | va_list list; | |
321 | int len = csv->buflen, tlen; | |
322 | char *str; | |
323 | csv_field_t *fld; | |
324 | char *col; | |
325 | ||
326 | if (csv->buf) { | |
327 | /* not only works with discrete bufs */ | |
328 | return NULL; | |
329 | } | |
330 | ||
331 | if (!rec) { | |
332 | /* create a new rec */ | |
333 | rec = calloc(1, sizeof(csv_record_t)); | |
334 | if (!rec) { | |
335 | log_error("record malloc failed\n"); | |
336 | return NULL; | |
337 | } | |
338 | csv_init_record(rec); | |
339 | rec->record = calloc(1, csv->buflen); | |
340 | if (!rec->record) { | |
341 | log_error("field str malloc failed\n"); | |
342 | free(rec); | |
343 | return NULL; | |
344 | } | |
345 | csv_insert_record(csv, rec); | |
346 | } | |
347 | ||
348 | str = rec->record; | |
349 | ||
350 | va_start(list, count); | |
351 | ||
352 | if (rec->rec_len && (str[rec->rec_len-1] == '\n')) | |
353 | str[rec->rec_len-1] = ','; | |
354 | ||
355 | /** | |
356 | * Iterate through the fields passed as a variable list and add them | |
357 | */ | |
358 | tlen = rec->rec_len; | |
359 | for (tempc = 0; tempc < count; tempc++) { | |
360 | col = va_arg(list, char *); | |
361 | fld = csv_add_field_to_record(csv, rec, col); | |
362 | if (!fld) { | |
363 | log_error("fld malloc failed\n"); | |
364 | break; | |
365 | } | |
366 | if (tempc < (count - 1)) { | |
367 | rec->rec_len += snprintf((str+rec->rec_len), | |
368 | (len - rec->rec_len), ","); | |
369 | } | |
370 | } | |
371 | rec->rec_len += snprintf((str+rec->rec_len), | |
372 | (len - rec->rec_len), "\n"); | |
373 | va_end(list); | |
374 | csv->csv_len += (rec->rec_len - tlen); | |
375 | csv->pointer += (rec->rec_len - tlen); | |
376 | return (rec); | |
377 | } | |
378 | ||
379 | int | |
380 | csv_serialize(csv_t *csv, char *msgbuf, int msglen) | |
381 | { | |
382 | csv_record_t *rec; | |
383 | int offset = 0; | |
384 | ||
385 | if (!csv || !msgbuf) return -1; | |
386 | ||
387 | rec = csv_record_iter(csv); | |
388 | while (rec != NULL) { | |
389 | if ((offset + rec->rec_len) >= msglen) | |
390 | return -1; | |
391 | offset += sprintf(&msgbuf[offset], "%s", rec->record); | |
392 | rec = csv_record_iter_next(rec); | |
393 | } | |
394 | ||
395 | return 0; | |
396 | } | |
397 | ||
398 | void | |
399 | csv_clone_record (csv_t *csv, csv_record_t *in_rec, csv_record_t **out_rec) | |
400 | { | |
401 | char *curr; | |
402 | csv_record_t *rec; | |
403 | ||
404 | /* first check if rec belongs to this csv */ | |
405 | if(!csv_is_record_valid(csv, in_rec)){ | |
406 | log_error("rec not in this csv\n"); | |
407 | return; | |
408 | } | |
409 | ||
410 | /* only works with csv with discrete bufs */ | |
411 | if (csv->buf) { | |
412 | log_error("un-supported for this csv type - single buf detected\n"); | |
413 | return; | |
414 | } | |
415 | ||
416 | /* create a new rec */ | |
417 | rec = calloc(1, sizeof(csv_record_t)); | |
418 | if (!rec) { | |
419 | log_error("record malloc failed\n"); | |
420 | return; | |
421 | } | |
422 | csv_init_record(rec); | |
423 | curr = calloc(1, csv->buflen); | |
424 | if (!curr) { | |
425 | log_error("field str malloc failed\n"); | |
14878121 | 426 | free(rec); |
c43ed2e4 DS |
427 | return; |
428 | } | |
429 | rec->record = curr; | |
430 | rec->rec_len = in_rec->rec_len; | |
431 | strcpy(rec->record, in_rec->record); | |
432 | ||
433 | /* decode record into fields */ | |
434 | csv_decode_record(rec); | |
435 | ||
436 | *out_rec = rec; | |
437 | } | |
438 | ||
439 | void | |
440 | csv_remove_record (csv_t *csv, csv_record_t *rec) | |
441 | { | |
442 | csv_field_t *fld, *p_fld; | |
443 | ||
444 | /* first check if rec belongs to this csv */ | |
445 | if(!csv_is_record_valid(csv, rec)){ | |
446 | log_error("rec not in this csv\n"); | |
447 | return; | |
448 | } | |
449 | ||
450 | /* remove fields */ | |
451 | csv_field_iter(rec, &fld); | |
452 | while(fld) { | |
453 | p_fld = fld; | |
454 | csv_field_iter_next(&fld); | |
455 | TAILQ_REMOVE(&(rec->fields), p_fld, next_field); | |
456 | free(p_fld); | |
457 | } | |
458 | ||
459 | TAILQ_REMOVE(&(csv->records), rec, next_record); | |
460 | ||
461 | csv->num_recs--; | |
462 | csv->csv_len -= rec->rec_len; | |
463 | csv->pointer -= rec->rec_len; | |
464 | if (!csv->buf) | |
465 | free(rec->record); | |
466 | free(rec); | |
467 | } | |
468 | ||
469 | void | |
470 | csv_insert_record (csv_t *csv, csv_record_t *rec) | |
471 | { | |
472 | /* first check if rec already in csv */ | |
473 | if(csv_is_record_valid(csv, rec)){ | |
474 | log_error("rec already in this csv\n"); | |
475 | return; | |
476 | } | |
477 | ||
478 | /* we can only insert records if no buf was supplied during csv init */ | |
479 | if (csv->buf) { | |
480 | log_error("un-supported for this csv type - single buf detected\n"); | |
481 | return; | |
482 | } | |
483 | ||
484 | /* do we go beyond the max buf set for this csv ?*/ | |
485 | if ((csv->csv_len + rec->rec_len) > csv->buflen ) { | |
486 | log_error("cannot insert - exceeded buf size\n"); | |
487 | return; | |
488 | } | |
489 | ||
490 | TAILQ_INSERT_TAIL(&(csv->records), rec, next_record); | |
491 | csv->num_recs++; | |
492 | csv->csv_len += rec->rec_len; | |
493 | csv->pointer += rec->rec_len; | |
494 | } | |
495 | ||
496 | csv_record_t * | |
497 | csv_concat_record (csv_t *csv, | |
498 | csv_record_t *rec1, | |
499 | csv_record_t *rec2) | |
500 | { | |
501 | char *curr; | |
502 | char *ret; | |
503 | csv_record_t *rec; | |
504 | ||
505 | /* first check if rec1 and rec2 belong to this csv */ | |
506 | if(!csv_is_record_valid(csv, rec1) || | |
507 | !csv_is_record_valid(csv, rec2)) { | |
508 | log_error("rec1 and/or rec2 invalid\n"); | |
509 | return (NULL); | |
510 | } | |
511 | ||
512 | /* we can only concat records if no buf was supplied during csv init */ | |
513 | if (csv->buf) { | |
514 | log_error("un-supported for this csv type - single buf detected\n"); | |
515 | return (NULL); | |
516 | } | |
517 | ||
518 | /* create a new rec */ | |
519 | rec = calloc(1, sizeof(csv_record_t)); | |
520 | if (!rec) { | |
521 | log_error("record malloc failed\n"); | |
522 | return (NULL); | |
523 | } | |
524 | csv_init_record(rec); | |
525 | ||
526 | curr = (char *)calloc(1, csv->buflen); | |
527 | if (!curr) { | |
528 | log_error("field str malloc failed\n"); | |
8ac88545 | 529 | goto out_rec; |
c43ed2e4 DS |
530 | } |
531 | rec->record = curr; | |
532 | ||
533 | /* concat the record string */ | |
534 | ret = strstr(rec1->record, "\n"); | |
535 | if (!ret) { | |
536 | log_error("rec1 str not properly formatted\n"); | |
8ac88545 | 537 | goto out_curr; |
c43ed2e4 DS |
538 | } |
539 | ||
540 | snprintf(curr, (int)(ret - rec1->record + 1), "%s", rec1->record); | |
541 | strcat(curr, ","); | |
542 | ||
543 | ret = strstr(rec2->record, "\n"); | |
544 | if (!ret) { | |
545 | log_error("rec2 str not properly formatted\n"); | |
8ac88545 | 546 | goto out_curr; |
c43ed2e4 DS |
547 | } |
548 | ||
549 | snprintf((curr+strlen(curr)), (int)(ret - rec2->record + 1), "%s", | |
550 | rec2->record); | |
551 | strcat(curr, "\n"); | |
552 | rec->rec_len = strlen(curr); | |
553 | ||
554 | /* paranoia */ | |
555 | assert(csv->buflen > | |
556 | (csv->csv_len - rec1->rec_len - rec2->rec_len + rec->rec_len)); | |
557 | ||
558 | /* decode record into fields */ | |
559 | csv_decode_record(rec); | |
560 | ||
561 | /* now remove rec1 and rec2 and insert rec into this csv */ | |
562 | csv_remove_record(csv, rec1); | |
563 | csv_remove_record(csv, rec2); | |
564 | csv_insert_record(csv, rec); | |
565 | ||
566 | return rec; | |
8ac88545 DL |
567 | |
568 | out_curr: | |
569 | free(curr); | |
570 | out_rec: | |
571 | free(rec); | |
572 | return NULL; | |
c43ed2e4 DS |
573 | } |
574 | ||
575 | void | |
576 | csv_decode (csv_t *csv, char *inbuf) | |
577 | { | |
578 | char *buf; | |
579 | char *pos; | |
580 | csv_record_t *rec; | |
581 | ||
582 | buf = (inbuf)? inbuf:csv->buf; | |
583 | pos = strpbrk(buf, "\n"); | |
584 | while (pos != NULL) { | |
585 | rec = calloc(1, sizeof(csv_record_t)); | |
8ac88545 DL |
586 | if (!rec) |
587 | return; | |
c43ed2e4 DS |
588 | csv_init_record(rec); |
589 | TAILQ_INSERT_TAIL(&(csv->records), rec, next_record); | |
590 | csv->num_recs++; | |
591 | if (csv->buf) | |
592 | rec->record = buf; | |
593 | else { | |
594 | rec->record = calloc(1, csv->buflen); | |
595 | if (!rec->record) { | |
596 | log_error("field str malloc failed\n"); | |
597 | return; | |
598 | } | |
599 | strncpy(rec->record, buf, pos-buf+1); | |
600 | } | |
601 | rec->rec_len = pos-buf+1; | |
602 | /* decode record into fields */ | |
603 | csv_decode_record(rec); | |
604 | buf = pos+1; | |
605 | pos = strpbrk(buf, "\n"); | |
606 | } | |
607 | } | |
608 | ||
609 | int | |
610 | csv_is_record_valid(csv_t *csv, csv_record_t *in_rec) | |
611 | { | |
612 | csv_record_t *rec; | |
613 | int valid = 0; | |
614 | ||
615 | rec = csv_record_iter(csv); | |
616 | while (rec) { | |
617 | if(rec == in_rec) { | |
618 | valid = 1; | |
619 | break; | |
620 | } | |
621 | rec = csv_record_iter_next(rec); | |
622 | } | |
623 | ||
624 | return valid; | |
625 | } | |
626 | ||
627 | void | |
628 | csv_dump (csv_t *csv) | |
629 | { | |
630 | csv_record_t *rec; | |
631 | csv_field_t *fld; | |
632 | char *str; | |
633 | ||
634 | rec = csv_record_iter(csv); | |
635 | while (rec != NULL) { | |
636 | str = csv_field_iter(rec, &fld); | |
637 | while (str != NULL) { | |
638 | fprintf(stderr, "%s\n", str); | |
639 | str = csv_field_iter_next(&fld); | |
640 | } | |
641 | rec = csv_record_iter_next(rec); | |
642 | } | |
643 | } | |
644 | ||
645 | #ifdef TEST_CSV | |
646 | ||
647 | static int | |
648 | get_memory_usage (pid_t pid) | |
649 | { | |
650 | int fd, data, stack; | |
651 | char buf[4096], status_child[BUFSIZ]; | |
652 | char *vm; | |
653 | ||
654 | sprintf(status_child, "/proc/%d/status", pid); | |
655 | if ((fd = open(status_child, O_RDONLY)) < 0) | |
656 | return -1; | |
657 | ||
658 | read(fd, buf, 4095); | |
659 | buf[4095] = '\0'; | |
660 | close(fd); | |
661 | ||
662 | data = stack = 0; | |
663 | ||
664 | vm = strstr(buf, "VmData:"); | |
665 | if (vm) { | |
666 | sscanf(vm, "%*s %d", &data); | |
667 | } | |
668 | vm = strstr(buf, "VmStk:"); | |
669 | if (vm) { | |
670 | sscanf(vm, "%*s %d", &stack); | |
671 | } | |
672 | ||
673 | return data + stack; | |
674 | } | |
675 | ||
676 | int main () | |
677 | { | |
678 | char buf[10000]; | |
679 | csv_t csv; | |
680 | int p; | |
681 | int i, j; | |
682 | csv_record_t *rec; | |
683 | csv_field_t *fld; | |
684 | char *str; | |
685 | char hdr1[32], hdr2[32]; | |
686 | ||
687 | log_verbose("Mem: %ld\n", get_memory_usage(getpid())); | |
688 | csv_init(&csv, buf, 256); | |
689 | sprintf(hdr1, "%4u", 0); | |
690 | sprintf(hdr2, "%4u", 1); | |
691 | log_verbose("(%d/%d/%d/%d)\n", strlen(hdr1), | |
692 | strlen(hdr2), atoi(hdr1), atoi(hdr2)); | |
693 | rec = csv_encode(&csv, 2, hdr1, hdr2); | |
694 | csv_encode(&csv, 4, "name", "age", "sex", "hei"); | |
695 | csv_encode(&csv, 3, NULL, "0", NULL); | |
696 | csv_encode(&csv, 2, "p", "35"); | |
697 | for (i=0; i < 50; i++) { | |
698 | csv_encode(&csv, 2, "p", "10"); | |
699 | } | |
700 | csv_encode(&csv, 2, "pdfadfadfadsadsaddfdfdsfdsd", | |
701 | "35444554545454545"); | |
702 | log_verbose("%s\n", buf); | |
703 | sprintf(hdr1, "%4u", csv.csv_len); | |
704 | sprintf(hdr2, "%4u", 1); | |
705 | log_verbose("(%d/%d/%d/%d)\n", strlen(hdr1), | |
706 | strlen(hdr2), atoi(hdr1), atoi(hdr2)); | |
707 | rec = csv_encode_record(&csv, rec, 2, hdr1, hdr2); | |
708 | log_verbose("(%d/%d)\n%s\n", rec->rec_len, csv.csv_len, buf); | |
709 | ||
710 | log_verbose("Mem: %ld\n", get_memory_usage(getpid())); | |
711 | csv_clean(&csv); | |
712 | log_verbose("Mem: %ld\n", get_memory_usage(getpid())); | |
713 | csv_init(&csv, buf, 256); | |
714 | csv_decode(&csv, NULL); | |
715 | log_verbose("AFTER DECODE\n"); | |
716 | csv_dump(&csv); | |
717 | csv_clean(&csv); | |
718 | log_verbose("Mem: %ld\n", get_memory_usage(getpid())); | |
719 | } | |
720 | #endif |