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authorMark Adler <madler@alumni.caltech.edu>2011-09-09 23:20:15 -0700
committerMark Adler <madler@alumni.caltech.edu>2011-09-09 23:20:15 -0700
commitc34c1fcbb19852ca35216ad66276f4f86af3fc22 (patch)
tree4bd0972d6c682e474725eca372f6551d539f8768 /contrib/minizip/zip.c
parent02b6cf579f02ec78c052735020a5d3c5723ed641 (diff)
downloadzlib-1.1.2.tar.gz
zlib-1.1.2.tar.bz2
zlib-1.1.2.zip
zlib 1.1.2v1.1.2
Diffstat (limited to 'contrib/minizip/zip.c')
-rw-r--r--contrib/minizip/zip.c716
1 files changed, 716 insertions, 0 deletions
diff --git a/contrib/minizip/zip.c b/contrib/minizip/zip.c
new file mode 100644
index 0000000..ddb2334
--- /dev/null
+++ b/contrib/minizip/zip.c
@@ -0,0 +1,716 @@
1/* zip.c -- IO on .zip files using zlib
2 Version 0.15 beta, Mar 19th, 1998,
3
4 Read zip.h for more info
5*/
6
7
8#include <stdio.h>
9#include <stdlib.h>
10#include <string.h>
11#include "zlib.h"
12#include "zip.h"
13
14#ifdef STDC
15# include <stddef.h>
16# include <string.h>
17# include <stdlib.h>
18#endif
19#ifdef NO_ERRNO_H
20 extern int errno;
21#else
22# include <errno.h>
23#endif
24
25
26#ifndef local
27# define local static
28#endif
29/* compile with -Dlocal if your debugger can't find static symbols */
30
31#ifndef VERSIONMADEBY
32# define VERSIONMADEBY (0x0) /* platform depedent */
33#endif
34
35#ifndef Z_BUFSIZE
36#define Z_BUFSIZE (16384)
37#endif
38
39#ifndef Z_MAXFILENAMEINZIP
40#define Z_MAXFILENAMEINZIP (256)
41#endif
42
43#ifndef ALLOC
44# define ALLOC(size) (malloc(size))
45#endif
46#ifndef TRYFREE
47# define TRYFREE(p) {if (p) free(p);}
48#endif
49
50/*
51#define SIZECENTRALDIRITEM (0x2e)
52#define SIZEZIPLOCALHEADER (0x1e)
53*/
54
55/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
56
57#ifndef SEEK_CUR
58#define SEEK_CUR 1
59#endif
60
61#ifndef SEEK_END
62#define SEEK_END 2
63#endif
64
65#ifndef SEEK_SET
66#define SEEK_SET 0
67#endif
68
69const char zip_copyright[] =
70 " zip 0.15 Copyright 1998 Gilles Vollant ";
71
72
73#define SIZEDATA_INDATABLOCK (4096-(4*4))
74
75#define LOCALHEADERMAGIC (0x04034b50)
76#define CENTRALHEADERMAGIC (0x02014b50)
77#define ENDHEADERMAGIC (0x06054b50)
78
79#define FLAG_LOCALHEADER_OFFSET (0x06)
80#define CRC_LOCALHEADER_OFFSET (0x0e)
81
82#define SIZECENTRALHEADER (0x2e) /* 46 */
83
84typedef struct linkedlist_datablock_internal_s
85{
86 struct linkedlist_datablock_internal_s* next_datablock;
87 uLong avail_in_this_block;
88 uLong filled_in_this_block;
89 uLong unused; /* for future use and alignement */
90 unsigned char data[SIZEDATA_INDATABLOCK];
91} linkedlist_datablock_internal;
92
93typedef struct linkedlist_data_s
94{
95 linkedlist_datablock_internal* first_block;
96 linkedlist_datablock_internal* last_block;
97} linkedlist_data;
98
99
100typedef struct
101{
102 z_stream stream; /* zLib stream structure for inflate */
103 int stream_initialised; /* 1 is stream is initialised */
104 uInt pos_in_buffered_data; /* last written byte in buffered_data */
105
106 uLong pos_local_header; /* offset of the local header of the file
107 currenty writing */
108 char* central_header; /* central header data for the current file */
109 uLong size_centralheader; /* size of the central header for cur file */
110 uLong flag; /* flag of the file currently writing */
111
112 int method; /* compression method of file currenty wr.*/
113 Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/
114 uLong dosDate;
115 uLong crc32;
116} curfile_info;
117
118typedef struct
119{
120 FILE * filezip;
121 linkedlist_data central_dir;/* datablock with central dir in construction*/
122 int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/
123 curfile_info ci; /* info on the file curretly writing */
124
125 uLong begin_pos; /* position of the beginning of the zipfile */
126 uLong number_entry;
127} zip_internal;
128
129local linkedlist_datablock_internal* allocate_new_datablock()
130{
131 linkedlist_datablock_internal* ldi;
132 ldi = (linkedlist_datablock_internal*)
133 ALLOC(sizeof(linkedlist_datablock_internal));
134 if (ldi!=NULL)
135 {
136 ldi->next_datablock = NULL ;
137 ldi->filled_in_this_block = 0 ;
138 ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ;
139 }
140 return ldi;
141}
142
143local void free_datablock(ldi)
144 linkedlist_datablock_internal* ldi;
145{
146 while (ldi!=NULL)
147 {
148 linkedlist_datablock_internal* ldinext = ldi->next_datablock;
149 TRYFREE(ldi);
150 ldi = ldinext;
151 }
152}
153
154local void init_linkedlist(ll)
155 linkedlist_data* ll;
156{
157 ll->first_block = ll->last_block = NULL;
158}
159
160local void free_linkedlist(ll)
161 linkedlist_data* ll;
162{
163 free_datablock(ll->first_block);
164 ll->first_block = ll->last_block = NULL;
165}
166
167
168local int add_data_in_datablock(ll,buf,len)
169 linkedlist_data* ll;
170 const void* buf;
171 uLong len;
172{
173 linkedlist_datablock_internal* ldi;
174 const unsigned char* from_copy;
175
176 if (ll==NULL)
177 return ZIP_INTERNALERROR;
178
179 if (ll->last_block == NULL)
180 {
181 ll->first_block = ll->last_block = allocate_new_datablock();
182 if (ll->first_block == NULL)
183 return ZIP_INTERNALERROR;
184 }
185
186 ldi = ll->last_block;
187 from_copy = (unsigned char*)buf;
188
189 while (len>0)
190 {
191 uInt copy_this;
192 uInt i;
193 unsigned char* to_copy;
194
195 if (ldi->avail_in_this_block==0)
196 {
197 ldi->next_datablock = allocate_new_datablock();
198 if (ldi->next_datablock == NULL)
199 return ZIP_INTERNALERROR;
200 ldi = ldi->next_datablock ;
201 ll->last_block = ldi;
202 }
203
204 if (ldi->avail_in_this_block < len)
205 copy_this = (uInt)ldi->avail_in_this_block;
206 else
207 copy_this = (uInt)len;
208
209 to_copy = &(ldi->data[ldi->filled_in_this_block]);
210
211 for (i=0;i<copy_this;i++)
212 *(to_copy+i)=*(from_copy+i);
213
214 ldi->filled_in_this_block += copy_this;
215 ldi->avail_in_this_block -= copy_this;
216 from_copy += copy_this ;
217 len -= copy_this;
218 }
219 return ZIP_OK;
220}
221
222
223local int write_datablock(fout,ll)
224 FILE * fout;
225 linkedlist_data* ll;
226{
227 linkedlist_datablock_internal* ldi;
228 ldi = ll->first_block;
229 while (ldi!=NULL)
230 {
231 if (ldi->filled_in_this_block > 0)
232 if (fwrite(ldi->data,(uInt)ldi->filled_in_this_block,1,fout)!=1)
233 return ZIP_ERRNO;
234 ldi = ldi->next_datablock;
235 }
236 return ZIP_OK;
237}
238
239/****************************************************************************/
240
241/* ===========================================================================
242 Outputs a long in LSB order to the given file
243 nbByte == 1, 2 or 4 (byte, short or long)
244*/
245local int ziplocal_putValue (file, x, nbByte)
246 FILE *file;
247 uLong x;
248 int nbByte;
249{
250 unsigned char buf[4];
251 int n;
252 for (n = 0; n < nbByte; n++) {
253 buf[n] = (unsigned char)(x & 0xff);
254 x >>= 8;
255 }
256 if (fwrite(buf,nbByte,1,file)!=1)
257 return ZIP_ERRNO;
258 else
259 return ZIP_OK;
260}
261
262
263local void ziplocal_putValue_inmemory (dest, x, nbByte)
264 void* dest;
265 uLong x;
266 int nbByte;
267{
268 unsigned char* buf=(unsigned char*)dest;
269 int n;
270 for (n = 0; n < nbByte; n++) {
271 buf[n] = (unsigned char)(x & 0xff);
272 x >>= 8;
273 }
274}
275/****************************************************************************/
276
277
278local uLong ziplocal_TmzDateToDosDate(ptm,dosDate)
279 tm_zip* ptm;
280 uLong dosDate;
281{
282 uLong year = (uLong)ptm->tm_year;
283 if (year>1980)
284 year-=1980;
285 else if (year>80)
286 year-=80;
287 return
288 (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) |
289 ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour));
290}
291
292
293/****************************************************************************/
294
295extern zipFile ZEXPORT zipOpen (pathname, append)
296 const char *pathname;
297 int append;
298{
299 zip_internal ziinit;
300 zip_internal* zi;
301
302 ziinit.filezip = fopen(pathname,(append == 0) ? "wb" : "ab");
303 if (ziinit.filezip == NULL)
304 return NULL;
305 ziinit.begin_pos = ftell(ziinit.filezip);
306 ziinit.in_opened_file_inzip = 0;
307 ziinit.ci.stream_initialised = 0;
308 ziinit.number_entry = 0;
309 init_linkedlist(&(ziinit.central_dir));
310
311
312 zi = (zip_internal*)ALLOC(sizeof(zip_internal));
313 if (zi==NULL)
314 {
315 fclose(ziinit.filezip);
316 return NULL;
317 }
318
319 *zi = ziinit;
320 return (zipFile)zi;
321}
322
323extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi,
324 extrafield_local, size_extrafield_local,
325 extrafield_global, size_extrafield_global,
326 comment, method, level)
327 zipFile file;
328 const char* filename;
329 const zip_fileinfo* zipfi;
330 const void* extrafield_local;
331 uInt size_extrafield_local;
332 const void* extrafield_global;
333 uInt size_extrafield_global;
334 const char* comment;
335 int method;
336 int level;
337{
338 zip_internal* zi;
339 uInt size_filename;
340 uInt size_comment;
341 uInt i;
342 int err = ZIP_OK;
343
344 if (file == NULL)
345 return ZIP_PARAMERROR;
346 if ((method!=0) && (method!=Z_DEFLATED))
347 return ZIP_PARAMERROR;
348
349 zi = (zip_internal*)file;
350
351 if (zi->in_opened_file_inzip == 1)
352 {
353 err = zipCloseFileInZip (file);
354 if (err != ZIP_OK)
355 return err;
356 }
357
358
359 if (filename==NULL)
360 filename="-";
361
362 if (comment==NULL)
363 size_comment = 0;
364 else
365 size_comment = strlen(comment);
366
367 size_filename = strlen(filename);
368
369 if (zipfi == NULL)
370 zi->ci.dosDate = 0;
371 else
372 {
373 if (zipfi->dosDate != 0)
374 zi->ci.dosDate = zipfi->dosDate;
375 else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate);
376 }
377
378 zi->ci.flag = 0;
379 if ((level==8) || (level==9))
380 zi->ci.flag |= 2;
381 if ((level==2))
382 zi->ci.flag |= 4;
383 if ((level==1))
384 zi->ci.flag |= 6;
385
386 zi->ci.crc32 = 0;
387 zi->ci.method = method;
388 zi->ci.stream_initialised = 0;
389 zi->ci.pos_in_buffered_data = 0;
390 zi->ci.pos_local_header = ftell(zi->filezip);
391 zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename +
392 size_extrafield_global + size_comment;
393 zi->ci.central_header = (char*)ALLOC(zi->ci.size_centralheader);
394
395 ziplocal_putValue_inmemory(zi->ci.central_header,CENTRALHEADERMAGIC,4);
396 /* version info */
397 ziplocal_putValue_inmemory(zi->ci.central_header+4,VERSIONMADEBY,2);
398 ziplocal_putValue_inmemory(zi->ci.central_header+6,20,2);
399 ziplocal_putValue_inmemory(zi->ci.central_header+8,zi->ci.flag,2);
400 ziplocal_putValue_inmemory(zi->ci.central_header+10,zi->ci.method,2);
401 ziplocal_putValue_inmemory(zi->ci.central_header+12,zi->ci.dosDate,4);
402 ziplocal_putValue_inmemory(zi->ci.central_header+16,0,4); /*crc*/
403 ziplocal_putValue_inmemory(zi->ci.central_header+20,0,4); /*compr size*/
404 ziplocal_putValue_inmemory(zi->ci.central_header+24,0,4); /*uncompr size*/
405 ziplocal_putValue_inmemory(zi->ci.central_header+28,size_filename,2);
406 ziplocal_putValue_inmemory(zi->ci.central_header+30,size_extrafield_global,2);
407 ziplocal_putValue_inmemory(zi->ci.central_header+32,size_comment,2);
408 ziplocal_putValue_inmemory(zi->ci.central_header+34,0,2); /*disk nm start*/
409
410 if (zipfi==NULL)
411 ziplocal_putValue_inmemory(zi->ci.central_header+36,0,2);
412 else
413 ziplocal_putValue_inmemory(zi->ci.central_header+36,zipfi->internal_fa,2);
414
415 if (zipfi==NULL)
416 ziplocal_putValue_inmemory(zi->ci.central_header+38,0,4);
417 else
418 ziplocal_putValue_inmemory(zi->ci.central_header+38,zipfi->external_fa,4);
419
420 ziplocal_putValue_inmemory(zi->ci.central_header+42,zi->ci.pos_local_header,4);
421
422 for (i=0;i<size_filename;i++)
423 *(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i);
424
425 for (i=0;i<size_extrafield_global;i++)
426 *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) =
427 *(((const char*)extrafield_global)+i);
428
429 for (i=0;i<size_comment;i++)
430 *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+
431 size_extrafield_global+i) = *(filename+i);
432 if (zi->ci.central_header == NULL)
433 return ZIP_INTERNALERROR;
434
435 /* write the local header */
436 err = ziplocal_putValue(zi->filezip,LOCALHEADERMAGIC,4);
437
438 if (err==ZIP_OK)
439 err = ziplocal_putValue(zi->filezip,20,2);/* version needed to extract */
440 if (err==ZIP_OK)
441 err = ziplocal_putValue(zi->filezip,zi->ci.flag,2);
442
443 if (err==ZIP_OK)
444 err = ziplocal_putValue(zi->filezip,zi->ci.method,2);
445
446 if (err==ZIP_OK)
447 err = ziplocal_putValue(zi->filezip,zi->ci.dosDate,4);
448
449 if (err==ZIP_OK)
450 err = ziplocal_putValue(zi->filezip,0,4); /* crc 32, unknown */
451 if (err==ZIP_OK)
452 err = ziplocal_putValue(zi->filezip,0,4); /* compressed size, unknown */
453 if (err==ZIP_OK)
454 err = ziplocal_putValue(zi->filezip,0,4); /* uncompressed size, unknown */
455
456 if (err==ZIP_OK)
457 err = ziplocal_putValue(zi->filezip,(uLong)size_filename,2);
458
459 if (err==ZIP_OK)
460 err = ziplocal_putValue(zi->filezip,(uLong)size_extrafield_local,2);
461
462 if ((err==ZIP_OK) && (size_filename>0))
463 if (fwrite(filename,(uInt)size_filename,1,zi->filezip)!=1)
464 err = ZIP_ERRNO;
465
466 if ((err==ZIP_OK) && (size_extrafield_local>0))
467 if (fwrite(extrafield_local,(uInt)size_extrafield_local,1,zi->filezip)
468 !=1)
469 err = ZIP_ERRNO;
470
471 zi->ci.stream.avail_in = (uInt)0;
472 zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
473 zi->ci.stream.next_out = zi->ci.buffered_data;
474 zi->ci.stream.total_in = 0;
475 zi->ci.stream.total_out = 0;
476
477 if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED))
478 {
479 zi->ci.stream.zalloc = (alloc_func)0;
480 zi->ci.stream.zfree = (free_func)0;
481 zi->ci.stream.opaque = (voidpf)0;
482
483 err = deflateInit2(&zi->ci.stream, level,
484 Z_DEFLATED, -MAX_WBITS, /*DEF_MEM_LEVEL*/8, 0);
485
486 if (err==Z_OK)
487 zi->ci.stream_initialised = 1;
488 }
489
490
491 if (err==Z_OK)
492 zi->in_opened_file_inzip = 1;
493 return err;
494}
495
496extern int ZEXPORT zipWriteInFileInZip (file, buf, len)
497 zipFile file;
498 const voidp buf;
499 unsigned len;
500{
501 zip_internal* zi;
502 int err=ZIP_OK;
503
504 if (file == NULL)
505 return ZIP_PARAMERROR;
506 zi = (zip_internal*)file;
507
508 if (zi->in_opened_file_inzip == 0)
509 return ZIP_PARAMERROR;
510
511 zi->ci.stream.next_in = buf;
512 zi->ci.stream.avail_in = len;
513 zi->ci.crc32 = crc32(zi->ci.crc32,buf,len);
514
515 while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0))
516 {
517 if (zi->ci.stream.avail_out == 0)
518 {
519 if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
520 !=1)
521 err = ZIP_ERRNO;
522 zi->ci.pos_in_buffered_data = 0;
523 zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
524 zi->ci.stream.next_out = zi->ci.buffered_data;
525 }
526
527 if (zi->ci.method == Z_DEFLATED)
528 {
529 uLong uTotalOutBefore = zi->ci.stream.total_out;
530 err=deflate(&zi->ci.stream, Z_NO_FLUSH);
531 zi->ci.pos_in_buffered_data += zi->ci.stream.total_out - uTotalOutBefore ;
532
533 }
534 else
535 {
536 uInt copy_this,i;
537 if (zi->ci.stream.avail_in < zi->ci.stream.avail_out)
538 copy_this = zi->ci.stream.avail_in;
539 else
540 copy_this = zi->ci.stream.avail_out;
541 for (i=0;i<copy_this;i++)
542 *(((char*)zi->ci.stream.next_out)+i) =
543 *(((const char*)zi->ci.stream.next_in)+i);
544 {
545 zi->ci.stream.avail_in -= copy_this;
546 zi->ci.stream.avail_out-= copy_this;
547 zi->ci.stream.next_in+= copy_this;
548 zi->ci.stream.next_out+= copy_this;
549 zi->ci.stream.total_in+= copy_this;
550 zi->ci.stream.total_out+= copy_this;
551 zi->ci.pos_in_buffered_data += copy_this;
552 }
553 }
554 }
555
556 return 0;
557}
558
559extern int ZEXPORT zipCloseFileInZip (file)
560 zipFile file;
561{
562 zip_internal* zi;
563 int err=ZIP_OK;
564
565 if (file == NULL)
566 return ZIP_PARAMERROR;
567 zi = (zip_internal*)file;
568
569 if (zi->in_opened_file_inzip == 0)
570 return ZIP_PARAMERROR;
571 zi->ci.stream.avail_in = 0;
572
573 if (zi->ci.method == Z_DEFLATED)
574 while (err==ZIP_OK)
575 {
576 uLong uTotalOutBefore;
577 if (zi->ci.stream.avail_out == 0)
578 {
579 if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
580 !=1)
581 err = ZIP_ERRNO;
582 zi->ci.pos_in_buffered_data = 0;
583 zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
584 zi->ci.stream.next_out = zi->ci.buffered_data;
585 }
586 uTotalOutBefore = zi->ci.stream.total_out;
587 err=deflate(&zi->ci.stream, Z_FINISH);
588 zi->ci.pos_in_buffered_data += zi->ci.stream.total_out - uTotalOutBefore ;
589 }
590
591 if (err==Z_STREAM_END)
592 err=ZIP_OK; /* this is normal */
593
594 if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK))
595 if (fwrite(zi->ci.buffered_data,(uInt)zi->ci.pos_in_buffered_data,1,zi->filezip)
596 !=1)
597 err = ZIP_ERRNO;
598
599 if ((zi->ci.method == Z_DEFLATED) && (err==ZIP_OK))
600 {
601 err=deflateEnd(&zi->ci.stream);
602 zi->ci.stream_initialised = 0;
603 }
604
605 ziplocal_putValue_inmemory(zi->ci.central_header+16,zi->ci.crc32,4); /*crc*/
606 ziplocal_putValue_inmemory(zi->ci.central_header+20,
607 zi->ci.stream.total_out,4); /*compr size*/
608 ziplocal_putValue_inmemory(zi->ci.central_header+24,
609 zi->ci.stream.total_in,4); /*uncompr size*/
610
611 if (err==ZIP_OK)
612 err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header,
613 (uLong)zi->ci.size_centralheader);
614 free(zi->ci.central_header);
615
616 if (err==ZIP_OK)
617 {
618 long cur_pos_inzip = ftell(zi->filezip);
619 if (fseek(zi->filezip,
620 zi->ci.pos_local_header + 14,SEEK_SET)!=0)
621 err = ZIP_ERRNO;
622
623 if (err==ZIP_OK)
624 err = ziplocal_putValue(zi->filezip,zi->ci.crc32,4); /* crc 32, unknown */
625
626 if (err==ZIP_OK) /* compressed size, unknown */
627 err = ziplocal_putValue(zi->filezip,zi->ci.stream.total_out,4);
628
629 if (err==ZIP_OK) /* uncompressed size, unknown */
630 err = ziplocal_putValue(zi->filezip,zi->ci.stream.total_in,4);
631
632 if (fseek(zi->filezip,
633 cur_pos_inzip,SEEK_SET)!=0)
634 err = ZIP_ERRNO;
635 }
636
637 zi->number_entry ++;
638 zi->in_opened_file_inzip = 0;
639
640 return err;
641}
642
643extern int ZEXPORT zipClose (file, global_comment)
644 zipFile file;
645 const char* global_comment;
646{
647 zip_internal* zi;
648 int err = 0;
649 uLong size_centraldir = 0;
650 uLong centraldir_pos_inzip ;
651 uInt size_global_comment;
652 if (file == NULL)
653 return ZIP_PARAMERROR;
654 zi = (zip_internal*)file;
655
656 if (zi->in_opened_file_inzip == 1)
657 {
658 err = zipCloseFileInZip (file);
659 }
660
661 if (global_comment==NULL)
662 size_global_comment = 0;
663 else
664 size_global_comment = strlen(global_comment);
665
666
667 centraldir_pos_inzip = ftell(zi->filezip);
668 if (err==ZIP_OK)
669 {
670 linkedlist_datablock_internal* ldi = zi->central_dir.first_block ;
671 while (ldi!=NULL)
672 {
673 if ((err==ZIP_OK) && (ldi->filled_in_this_block>0))
674 if (fwrite(ldi->data,(uInt)ldi->filled_in_this_block,
675 1,zi->filezip) !=1 )
676 err = ZIP_ERRNO;
677
678 size_centraldir += ldi->filled_in_this_block;
679 ldi = ldi->next_datablock;
680 }
681 }
682 free_datablock(zi->central_dir.first_block);
683
684 if (err==ZIP_OK) /* Magic End */
685 err = ziplocal_putValue(zi->filezip,ENDHEADERMAGIC,4);
686
687 if (err==ZIP_OK) /* number of this disk */
688 err = ziplocal_putValue(zi->filezip,0,2);
689
690 if (err==ZIP_OK) /* number of the disk with the start of the central directory */
691 err = ziplocal_putValue(zi->filezip,0,2);
692
693 if (err==ZIP_OK) /* total number of entries in the central dir on this disk */
694 err = ziplocal_putValue(zi->filezip,zi->number_entry,2);
695
696 if (err==ZIP_OK) /* total number of entries in the central dir */
697 err = ziplocal_putValue(zi->filezip,zi->number_entry,2);
698
699 if (err==ZIP_OK) /* size of the central directory */
700 err = ziplocal_putValue(zi->filezip,size_centraldir,4);
701
702 if (err==ZIP_OK) /* offset of start of central directory with respect to the
703 starting disk number */
704 err = ziplocal_putValue(zi->filezip,centraldir_pos_inzip ,4);
705
706 if (err==ZIP_OK) /* zipfile comment length */
707 err = ziplocal_putValue(zi->filezip,(uLong)size_global_comment,2);
708
709 if ((err==ZIP_OK) && (size_global_comment>0))
710 if (fwrite(global_comment,(uInt)size_global_comment,1,zi->filezip) !=1 )
711 err = ZIP_ERRNO;
712 fclose(zi->filezip);
713 TRYFREE(zi);
714
715 return err;
716}