-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathrasmlib.h
1213 lines (1044 loc) · 28.9 KB
/
rasmlib.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#define __FILENAME__ "minilib.h"
#include<string.h>
#include<stdlib.h>
#include<stddef.h>
#include<stdint.h>
#include<stdarg.h>
#include<stdio.h>
#include<errno.h>
#include<ctype.h>
#include<time.h>
#include<math.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<fcntl.h>
#include<errno.h>
#ifdef OS_WIN
#include<io.h>
#include<limits.h>
#include<direct.h>
#define snprintf _snprintf
#endif
#include<ctype.h>
#include<stdio.h>
#include<stdlib.h>
#ifndef OS_WIN
#include<unistd.h>
#endif
#include<string.h>
#include<setjmp.h>
#include<errno.h>
#include<sys/timeb.h>
#ifndef ARG_MAX
#define ARG_MAX 8191
#endif
#define MemFree free
#define MemRealloc realloc
#define MemMalloc malloc
#define MemMove memmove
#ifdef OS_WIN
#define TxtStrDup _strdup
#else
#define TxtStrDup strdup
#endif
#define loginfo(...); {printf(__VA_ARGS__);printf("\n");}
#define logdebug(...); {printf(__VA_ARGS__);printf("\n");}
#define logwarn(...); {printf(__VA_ARGS__);printf("\n");}
#define logerr(...); {printf(__VA_ARGS__);printf("\n");}
#define INTERNAL_ERROR 1
#define ABORT_ERROR 7
#define MAX_LINE_BUFFER 16384
#ifndef PATH_MAX
#define PATH_MAX 4096
#endif
static int _static_library_nbfile_opened=0;
static int _static_library_nbfile_opened_max=0;
void _internal_ObjectArrayAddDynamicValue(void **zearray, void *zeobject, int object_size,int curline, char *curfunc, char *cursource);
void _internal_ObjectArrayAddDynamicValueConcat(void **zearray, int *nbfields, int *maxfields, void *zeobject, int object_size, int curline, char *curfunc, char *cursource);
#define ObjectArrayAddDynamicValue(zearray,zeobject,objsize) _internal_ObjectArrayAddDynamicValue(zearray,zeobject,objsize,__LINE__,FUNC,__FILENAME__)
#define ObjectArrayAddDynamicValueConcat(zearray,nbv,maxv,zeobject,objsize) _internal_ObjectArrayAddDynamicValueConcat(zearray,nbv,maxv,zeobject,objsize,__LINE__,FUNC,__FILENAME__)
void _internal_IntArrayAddDynamicValueConcat(int **zearray, int *nbval, int *maxval, int zevalue, int curline, char *curfunc, char *cursource);
#define IntArrayAddDynamicValueConcat(zearray,nbv,maxv,zevalue) _internal_IntArrayAddDynamicValueConcat(zearray,nbv,maxv,zevalue,__LINE__,FUNC,__FILENAME__)
void _internal_FieldArrayAddDynamicValue(char ***zearray, char *zevalue, int curline, char *curfunc, char *cursource);
#define FieldArrayAddDynamicValue(zearray,zevalue) _internal_FieldArrayAddDynamicValue(zearray,zevalue,__LINE__,FUNC,__FILENAME__)
void _internal_FieldArrayAddDynamicValueConcat(char ***zearray, int *nbfields, int *maxfields, char *zevalue, int curline, char *curfunc, char *cursource);
#define FieldArrayAddDynamicValueConcat(zearray,nb,maxf,zevalue) _internal_FieldArrayAddDynamicValueConcat(zearray,nb,maxf,zevalue,__LINE__,FUNC,__FILENAME__)
long long FileGetSize(char *filename);
/* (c) FSF */
#ifdef __WATCOMC__
size_t strnlen (s, maxlen)
register const char *s;
size_t maxlen;
{
register const char *e;
size_t n;
for (e = s, n = 0; *e && n < maxlen; e++, n++)
;
return n;
}
#endif
/***
stricmp, strnicmp
make an strcmp comparison case insensitive
*/
#ifndef OS_WIN
int stricmp(char *str1,char *str2)
{
int idx;
int c1,c2;
if (!str1) return (!str2)?0:-(*str2);
if (!str2) return *str1;
while ((c1=tolower(*str1))==(c2=tolower(*str2)) && *str1)
{
str1++;
str2++;
}
return c1-c2;
}
int strnicmp(char *str1,char *str2,int l)
{
int idx;
int c1=0,c2=0;
if (!l) return 0;
if (!str1) return (!str2)?0:-(*str2);
if (!str2) return *str1;
while (l && (c1=tolower(*str1))==(c2=tolower(*str2)) && *str1)
{
str1++;
str2++;
l--;
}
return c1-c2;
}
#endif
void _internal_ObjectArrayAddDynamicValueConcat(void **zearray, int *nbfields, int *maxfields, void *zeobject, int object_size, int curline, char *curfunc, char *cursource)
{
#undef FUNC
#define FUNC "ObjectArrayAddDynamicValueConcat"
char *dst;
if ((*zearray)==NULL) {
*nbfields=1;
*maxfields=3;
(*zearray)=malloc((*maxfields)*object_size);
} else {
*nbfields=(*nbfields)+1;
if (*nbfields>=*maxfields) {
*maxfields=(*maxfields)*2;
(*zearray)=realloc((*zearray),(*maxfields)*object_size);
}
}
/* using direct calls because it is more interresting to know which is the caller */
dst=((char *)(*zearray))+((*nbfields)-1)*object_size;
/* control of memory for overflow */
memcpy(dst,zeobject,object_size);
}
/***
Add a value to a list of integers
Reallocate memory on the fly
zearray: pointer to the array of integers
nbval: pointer to the current index
maxval: pointer to the current allocated memory
zevalue: integer value to concat to
output: the pointer to the array is modified because the
function reallocate memory to store the new string at
the end of the array.
*/
void _internal_IntArrayAddDynamicValueConcat(int **zearray, int *nbval, int *maxval, int zevalue, int curline, char *curfunc, char *cursource)
{
#undef FUNC
#define FUNC "IntArrayAddDynamicValue"
if ((*zearray)==NULL) {
*nbval=1;
*maxval=4;
(*zearray)=MemMalloc(sizeof(int)*(*maxval));
} else {
*nbval=*nbval+1;
if (*nbval>*maxval) {
*maxval=(*maxval)*2;
(*zearray)=realloc((*zearray),sizeof(int)*(*maxval));
}
}
(*zearray)[(*nbval)-1]=zevalue;
}
/***
CSVGetFieldArrayNumber
count array elements
*/
int CSVGetFieldArrayNumber(char **myfield)
{
#undef FUNC
#define FUNC "CSVGetFieldArrayNumber"
int n=0;
if (myfield==NULL)
return 0;
while (myfield[n]!=NULL) n++;
return n;
}
/***
Add a value to a list of strings
Reallocate memory on the fly
input: pointer to an array of string
string value
output: the pointer to the array is modified because the
function reallocate memory to store the new string at
the end of the array.
*/
void _internal_FieldArrayAddDynamicValue(char ***zearray, char *zevalue, int curline, char *curfunc, char *cursource)
{
#undef FUNC
#define FUNC "FieldArrayAddDynamicValue"
int nbfield;
if ((*zearray)==NULL) nbfield=2; else nbfield=CSVGetFieldArrayNumber((*zearray))+2;
/* using direct calls because it is more interresting to know which is the caller */
(*zearray)=realloc((*zearray),nbfield*sizeof(char *));
(*zearray)[nbfield-2]=TxtStrDup(zevalue);
(*zearray)[nbfield-1]=NULL;
}
void _internal_FieldArrayAddDynamicValueConcat(char ***zearray, int *nbfields, int *maxfields, char *zevalue, int curline, char *curfunc, char *cursource)
{
#undef FUNC
#define FUNC "FieldArrayAddDynamicValueConcat"
if ((*zearray)==NULL) {
*nbfields=1;
*maxfields=10;
(*zearray)=realloc(NULL,(*maxfields)*sizeof(char *));
} else {
*nbfields=(*nbfields)+1;
if (*nbfields>=*maxfields) {
*maxfields=(*maxfields)*2;
(*zearray)=MemRealloc((*zearray),(*maxfields)*sizeof(char *));
}
}
/* using direct calls because it is more interresting to know which is the caller */
(*zearray)[(*nbfields)-1]=TxtStrDup(zevalue);
(*zearray)[(*nbfields)]=NULL;
}
/***
CSVFreeFields
free allocated memory for fields
*/
void CSVFreeFields(char **fields)
{
#undef FUNC
#define FUNC "CSVFreeFields"
int i=0;
if (fields!=NULL)
{
/*loginfo("%8X",fields);
if (fields[i]==NULL)
loginfo("NULL i=%d",i); */
while (fields[i]!=NULL)
{
MemFree(fields[i]);
i++;
}
MemFree(fields);
}
}
void FreeArrayDynamicValue(char ***zearray)
{
CSVFreeFields(*zearray);
*zearray=NULL;
}
void CSVFreeFields(char **fields);
#define FreeFields(fields) CSVFreeFields(fields)
/************************** File operation ******************************/
/***
s_fileid
structure used by FileReadLine and FileWriteLine to manage multiple files at a time
*/
struct s_fileid
{
FILE *file_id;
char *filename;
char opening_type[4];
int cpt;
struct s_fileid *next;
/* v2 */
int closed;
unsigned long curpos;
};
static struct s_fileid *fileidROOT=NULL;
/***
FileGetStructFromName
input: filename
output: file structure
NULL if not found
*/
struct s_fileid *FileGetStructFromName(char *filename)
{
#undef FUNC
#define FUNC "FileGetStructFromName"
struct s_fileid *curfile;
struct s_fileid *prevfile;
if (!filename)
{
logerr("filename must not be NULL");
exit(ABORT_ERROR);
}
if (strnlen(filename,PATH_MAX)==PATH_MAX)
{
logerr("cannot open this file because the argument size is bigger than PATH_MAX (%d)",PATH_MAX);
exit(ABORT_ERROR);
}
/* try to find the file in the list */
curfile=fileidROOT;
prevfile=NULL;
while (curfile!=NULL)
{
if (!strcmp(curfile->filename,filename)) {
break;
} else {
prevfile=curfile;
curfile=curfile->next;
}
}
/* put the struct to the top of the list */
if (curfile && prevfile) {
prevfile->next=curfile->next;
curfile->next=fileidROOT;
fileidROOT=curfile;
}
return curfile;
}
/***
FileOpen function
open a file in any mode (r,w,a,r+,w+,a+)
check if the file is already open
check for conflicts
*/
FILE *FileOpen(char *filename, char *opening_type)
{
#undef FUNC
#define FUNC "FileOpen"
struct s_fileid *curfile;
struct s_fileid *oldfile;
/* check parameters coherency */
if (strlen(opening_type)>3)
{
logerr("illegal opening type (too long)");
exit(ABORT_ERROR);
}
if (strcmp(opening_type,"a") && strcmp(opening_type,"w") && strcmp(opening_type,"r")
&& strcmp(opening_type,"a+") && strcmp(opening_type,"w+") && strcmp(opening_type,"r+") && strcmp(opening_type,"rb"))
{
logerr("illegal opening type [%s]\nallowed options are: r,w,a,r+,w+,a+",opening_type);
exit(ABORT_ERROR);
}
curfile=FileGetStructFromName(filename);
/* if curfile is NULL then the file is not opened yet */
if (!curfile)
{
/* insert a new record */
_static_library_nbfile_opened++;
if (_static_library_nbfile_opened>_static_library_nbfile_opened_max)
_static_library_nbfile_opened_max=_static_library_nbfile_opened;
curfile=MemMalloc(sizeof(struct s_fileid));
memset(curfile,0,sizeof(struct s_fileid));
curfile->filename=MemMalloc(strlen(filename)+1);
strcpy(curfile->filename,filename);
strcpy(curfile->opening_type,opening_type);
curfile->next=fileidROOT;
curfile->cpt=0;
fileidROOT=curfile;
}
else
{
if (strcmp(curfile->opening_type,opening_type))
{
logerr("You can't open the file [%s] in [%s] mode cause it's already open in [%s] mode",filename,opening_type,curfile->opening_type);
exit(ABORT_ERROR);
}
if (!curfile->closed) {
/* already opened, just return the id */
return curfile->file_id;
}
}
curfile->file_id=fopen(filename,opening_type);
if (!curfile->file_id)
{
if (errno==EMFILE) {
/* too many files opened, close the latest of the list */
oldfile=fileidROOT;
while (oldfile->next && !oldfile->next->closed) oldfile=oldfile->next;
if (oldfile==curfile) {
logerr("cannot open a single file!");
exit(INTERNAL_ERROR);
}
/* save position and close the file */
oldfile->curpos=ftell(oldfile->file_id);
fclose(oldfile->file_id);
oldfile->file_id=0;
oldfile->closed=1;
/* then try again */
curfile->file_id=fopen(filename,opening_type);
if (curfile->file_id) {
if (curfile->curpos) {
fseek(curfile->file_id,curfile->curpos,SEEK_SET);
curfile->curpos=0;
}
logdebug("opening file [%s] in %s mode (too many opened files limit reached)",filename,opening_type);
return curfile->file_id;
}
}
logerr("failed to open file [%s] with mode [%s]",filename,opening_type);
logerr("check empty space and permissions");
exit(ABORT_ERROR);
}
/* go on previous position */
if (curfile->curpos) {
fseek(curfile->file_id,curfile->curpos,SEEK_SET);
curfile->curpos=0;
}
//logdebug("opening file [%s] in %s mode",filename,opening_type);
return curfile->file_id;
}
struct s_fileid *FileGetStructFromID(FILE *file_id);
void FileSeekBinary(char *filename,int pos, int st)
{
#undef FUNC
#define FUNC "FileSeekBinary"
FILE *last_id=NULL;
struct s_fileid *curfile=NULL;
int err;
last_id=FileOpen(filename,"r");
if ((err=fseek(last_id,pos,st))!=0) {
logerr("error seeking %s (%d)",filename,ferror(last_id));
exit(ABORT_ERROR);
}
curfile=FileGetStructFromID(last_id);
switch (st) {
case SEEK_SET: curfile->curpos=pos; break;
case SEEK_CUR: curfile->curpos+=pos; break;
case SEEK_END: logerr("TODO§§§"); break;
default:logerr("unknown SEEK mode!");exit(INTERNAL_ERROR);
}
}
/***
FileGetStructFromID
retrieve the file structure from the tree, with his ID
*/
struct s_fileid *FileGetStructFromID(FILE *file_id)
{
#undef FUNC
#define FUNC "FileGetStructFromID"
struct s_fileid *curfile;
struct s_fileid *prevfile;
curfile=fileidROOT;
prevfile=NULL;
while (curfile!=NULL)
{
if (curfile->file_id==file_id) {
break;
} else {
prevfile=curfile;
curfile=curfile->next;
}
}
if (!curfile)
{
logerr("ID requested for an unknown file! (was supposed to be opened)");
exit(INTERNAL_ERROR);
}
/* put the struct to the top of the list */
if (prevfile) {
prevfile->next=curfile->next;
curfile->next=fileidROOT;
fileidROOT=curfile;
}
return curfile;
}
/***
FileClose function
check for closing return code
free the memory file structure
*/
void FileClose(FILE *file_id)
{
#undef FUNC
#define FUNC "FileClose"
struct s_fileid *curfile;
struct s_fileid *unlinkcell;
curfile=FileGetStructFromID(file_id);
if (!curfile->closed) {
if (fclose(curfile->file_id))
{
logerr("error while closing file [%s]",curfile->filename);
}
} else {
/* already closed */
}
/* unlink the cell from ROOT */
if (curfile==fileidROOT)
{
fileidROOT=curfile->next;
}
else
{
unlinkcell=fileidROOT;
while (unlinkcell->next!=curfile)
unlinkcell=unlinkcell->next;
unlinkcell->next=curfile->next;
}
MemFree(curfile->filename);
MemFree(curfile);
_static_library_nbfile_opened--;
}
/***
FileAddCPT
add n to counter when reading or writing in a file
*/
void FileAddCPT(FILE *file_id, int n)
{
#undef FUNC
#define FUNC "FileAddCPT"
struct s_fileid *curfile;
curfile=FileGetStructFromID(file_id);
curfile->cpt+=n;
}
#define FileIncCPT(file_id) FileAddCPT(file_id,1)
/***
FileGetCPT
Get file counter information
input: file_id
*/
int FileGetCPT(FILE *file_id)
{
#undef FUNC
#define FUNC "FileGetCPT"
struct s_fileid *curfile;
curfile=FileGetStructFromID(file_id);
return curfile->cpt;
}
/***
FileGetCPTFromName
Get file counter information
input: filename
*/
int FileGetCPTFromName(char *filename)
{
#undef FUNC
#define FUNC "FileGetCPTFromName"
struct s_fileid *curfile;
curfile=FileGetStructFromName(filename);
if (!curfile)
{
logerr("You requested a counter for a file that is not opened! [%s]",filename);
exit(INTERNAL_ERROR);
}
return curfile->cpt;
}
char *_internal_fgetsClose(char *buffer, int maxlen, FILE *f)
{
#undef FUNC
#define FUNC "_internal_fgetsClose"
return NULL;
}
/***
FileReadLine/FileReadLineXML function
input:
- filename
output:
- a static buffer with the line read
this function can handle many file simultaneously
just use different filenames without regarding to opened/closed pointer
the opened handles are automatically closed when the end of the file is reached
you are only limited by the system, not by the code
the XML version ass carriage returns after closing tag
this can be usefull for parsing when reading XML file in a single line
*/
enum e_reading_mode {
RAW_READING,
CLOSE_READING
};
char *_internal_fgetsmulti(char *filename, int read_mode)
{
#undef FUNC
#define FUNC "_internal_fgetsmulti"
static char buffer[MAX_LINE_BUFFER+1]={0};
FILE *last_id=NULL;
char * (*_file_get_string)(char *, int, FILE *);
last_id=FileOpen(filename,"r");
switch (read_mode)
{
case RAW_READING:_file_get_string=fgets;break;
case CLOSE_READING:_file_get_string=_internal_fgetsClose;break;
default:logerr("Unknown read mode! (%d)",read_mode);
}
if (_file_get_string(buffer,MAX_LINE_BUFFER,last_id)!=NULL)
{
FileIncCPT(last_id);
if (strnlen(buffer,MAX_LINE_BUFFER)==MAX_LINE_BUFFER)
{
logerr("line %d is too long! More than %d characters\n",FileGetCPT(last_id),MAX_LINE_BUFFER);
exit(INTERNAL_ERROR);
}
return buffer;
}
else
{
/* End of file, we close the handle */
logdebug("%d line(s) read from %s",FileGetCPT(last_id),filename);
FileClose(last_id);
return NULL;
}
}
char **_internal_fgetsmultilines(char *filename, int read_mode)
{
#undef FUNC
#define FUNC "_internal_fgetsmultilines"
static char buffer[MAX_LINE_BUFFER+1]={0};
FILE *last_id=NULL;
char * (*_file_get_string)(char *, int, FILE *);
char **lines_buffer=NULL;
int cur_line=0,max_line=0;
last_id=FileOpen(filename,"r");
switch (read_mode)
{
case RAW_READING:_file_get_string=fgets;break;
case CLOSE_READING:_file_get_string=_internal_fgetsClose;break;
default:logerr("Unknown read mode! (%d)",read_mode);
}
while (_file_get_string(buffer,MAX_LINE_BUFFER,last_id)!=NULL)
{
FileIncCPT(last_id);
if (strnlen(buffer,MAX_LINE_BUFFER)==MAX_LINE_BUFFER)
{
logerr("line %d is too long! More than %d characters\n",FileGetCPT(last_id),MAX_LINE_BUFFER);
exit(INTERNAL_ERROR);
}
FieldArrayAddDynamicValueConcat(&lines_buffer,&cur_line,&max_line,buffer);
}
/* if file is empty, we allocate an empty struct */
if (!lines_buffer) {
/* create the end of the list */
lines_buffer=MemMalloc(sizeof(char*));
lines_buffer[0]=NULL;
}
/* End of file, we close the handle */
logdebug("%d line(s) read from %s",FileGetCPT(last_id),filename);
FileClose(last_id);
return lines_buffer;
}
#define FileReadClose(filename) _internal_fgetsmulti(filename,CLOSE_READING)
#define FileReadLine(filename) _internal_fgetsmulti(filename,RAW_READING)
long FileReadPos(char *filename)
{
#undef FUNC
#define FUNC "FileReadPos"
FILE *last_id;
last_id=FileOpen(filename,"r");
return ftell(last_id);
}
/***
FileWriteLine function
input:
- filename
- a buffer with the line to write
the function do not close the file until a NULL buffer is sent.
It prevents from too much write flushes
you can use it with many files simultaneously but do not forget
to close your files if you use this function in a loop of filenames
or the system will warn you
*/
void FileWriteLine(char *filename, char *buffer)
{
#undef FUNC
#define FUNC "FileWriteLine"
FILE *last_id=NULL;
last_id=FileOpen(filename,"a+");
if (buffer!=NULL)
{
fputs(buffer,last_id);
FileIncCPT(last_id);
}
else
{
/* NULL buffer sent, this means End of file, we close the handle */
//logdebug("%d line(s) written to %s",FileGetCPT(last_id),filename);
FileClose(last_id);
}
}
void FileWriteLines(char *filename, char **buffer)
{
#undef FUNC
#define FUNC "FileWriteLines"
FILE *last_id=NULL;
int i;
last_id=FileOpen(filename,"a+");
for (i=0;buffer[i];i++) {
fputs(buffer[i],last_id);
FileIncCPT(last_id);
}
//logdebug("%d line(s) written to %s",FileGetCPT(last_id),filename);
FileClose(last_id);
}
/***
FileReadBinary function
read n bytes into buffer
return number of byte really read
as other File functions, you can use it with many files simultaneously
*/
int FileReadBinary(char *filename,char *data,int n)
{
#undef FUNC
#define FUNC "FileReadBinary"
FILE *last_id=NULL;
int nn;
last_id=FileOpen(filename,"rb");
if (data==NULL)
{
FileClose(last_id);
return 0;
}
nn=fread(data,1,n,last_id);
//printf("%d bytes lus\n",nn);
FileAddCPT(last_id,nn);
if (nn!=n)
{
/* if eof is set, this is not an error */
if (feof(last_id))
{
//logdebug("%d byte(s) read from %s",FileGetCPT(last_id),filename);
}
else
if (ferror(last_id))
{
if (!nn) {
logerr("cannot read %s",filename);
}
else {
logerr("error %d bytes were read during reading of %d bytes of %s",nn,n,filename);
}
exit(ABORT_ERROR);
}
else
{
logerr("error during read of %s (but no error neither eof flag set)",filename);
exit(INTERNAL_ERROR);
}
FileClose(last_id);
}
return nn;
}
/***
FileWriteBinary function
write n bytes from buffer to file
return number of byte really written
as other File functions, you can use it with many files simultaneously
*/
int FileWriteBinary(char *filename,char *data,int n)
{
#undef FUNC
#define FUNC "FileWriteBinary"
FILE *last_id=NULL;
int nn;
#ifdef OS_WIN
last_id=FileOpen(filename,"w");
#else
last_id=FileOpen(filename,"a+");
#endif
if (data!=NULL)
{
#ifdef OS_WIN
int sr;
sr=_setmode(_fileno(last_id), _O_BINARY );
if (sr==-1) {
logerr("FATAL: cannot set binary mode for writing");
exit(ABORT_ERROR);
}
#endif
nn=fwrite(data,1,n,last_id);
FileAddCPT(last_id,nn);
/* we must always write the same amount of data */
if (n!=nn)
{
if (ferror(last_id))
{
if (!nn) {
logerr("cannot write %s",filename);
logerr("%s",strerror(errno));
}
else{
logerr("error during write of %s (%d byte(s))",filename,FileGetCPT(last_id));
}
exit(ABORT_ERROR);
}
else
{
logerr("error during write of %s (but no error neither eof flag set) %d byte(s) written",filename,FileGetCPT(last_id));
exit(INTERNAL_ERROR);
}
}
}
else
{
/* NULL buffer sent, this means End of file, we close the handle */
//logdebug("%d byte(s) written to %s",FileGetCPT(last_id),filename);
FileClose(last_id);
}
return nn;
}
/*** macro to close binary files */
#define FileWriteLineClose(filename) FileWriteLine(filename,NULL)
#define FileReadBinaryClose(filename) FileReadBinary(filename,NULL,0)
#define FileWriteBinaryClose(filename) FileWriteBinary(filename,NULL,0)
/***
FileGetStat
input: filename
return the stat structure of a given file
*/
struct stat *FileGetStat(char *filename)
{
#undef FUNC
#define FUNC "FileGetStat"
struct stat *filestat;
#ifdef OS_WIN
struct _stat winstat;
#endif
if (!filename)
{
logerr("filename must not be NULL");
exit(ABORT_ERROR);
}
/* check after by the system but... */
if (strnlen(filename,PATH_MAX)==PATH_MAX)
{
logerr("cannot open this file because the argument size is bigger than PATH_MAX (%d)",PATH_MAX);
logerr("[%s]",filename);
exit(ABORT_ERROR);
}
filestat=MemMalloc(sizeof(struct stat));
memset(filestat,0,sizeof(struct stat));
#ifdef OS_WIN
if (_stat(filename,&winstat)!=0)
#else
if (stat(filename,filestat) && errno!=ENOENT)
#endif
{
logerr("stat %s failed",filename);
switch (errno)
{
case EACCES:logerr("Search permission is denied for one of the directories in the path prefix of path.");break;
case EBADF:logerr("filedes is bad.");break;
case EFAULT:logerr("Bad address.");break;
//case ELOOP:logerr("Too many symbolic links encountered while traversing the path.");break;
case ENAMETOOLONG:logerr("File name too long.");break;
case ENOMEM:logerr("Out of memory (i.e. kernel memory).");break;
case ENOTDIR:logerr("A component of the path is not a directory.");break;
default:logerr("Unknown error %d during stat: %s",errno,strerror(errno));
}
exit(ABORT_ERROR);
}
#ifdef OS_WIN
filestat->st_size=winstat.st_size;
filestat->st_mode=winstat.st_mode;
filestat->st_atime=winstat.st_atime; /* last access */
filestat->st_mtime=winstat.st_mtime; /* last modification */
filestat->st_ctime=winstat.st_ctime; /* time of creation */
#endif
return filestat;
}
/***
FileGetSize
input: filename
output: the size in bytes of the file
*/
long long FileGetSize(char *filename)
{
#undef FUNC
#define FUNC "FileGetSize"
struct stat *filestat;
long long nn;
filestat=FileGetStat(filename);
nn=filestat->st_size;
MemFree(filestat);
//logdebug("size of %s = %d (%dkb)",filename,nn,nn/1024);
return nn;
}