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authorMark Adler <madler@alumni.caltech.edu>2011-09-09 23:22:37 -0700
committerMark Adler <madler@alumni.caltech.edu>2011-09-09 23:22:37 -0700
commit4b5a43a219d51066c01ff2ab86af18b967f2d0dd (patch)
tree4dcaf0cd18751d04cf638a9a6ec521990d4f2e90 /contrib/minizip/zip.c
parent086e982175da84b3db958191031380794315f95f (diff)
downloadzlib-1.2.0.5.tar.gz
zlib-1.2.0.5.tar.bz2
zlib-1.2.0.5.zip
zlib 1.2.0.5v1.2.0.5
Diffstat (limited to 'contrib/minizip/zip.c')
-rw-r--r--contrib/minizip/zip.c2336
1 files changed, 1168 insertions, 1168 deletions
diff --git a/contrib/minizip/zip.c b/contrib/minizip/zip.c
index 00587fb..193c539 100644
--- a/contrib/minizip/zip.c
+++ b/contrib/minizip/zip.c
@@ -1,1168 +1,1168 @@
1/* zip.c -- IO on .zip files using zlib 1/* zip.c -- IO on .zip files using zlib
2 Version 0.22, May 19th, 2003 2 Version 0.22, May 19th, 2003
3 3
4 Read zip.h for more info 4 Read zip.h for more info
5*/ 5*/
6 6
7 7
8#include <stdio.h> 8#include <stdio.h>
9#include <stdlib.h> 9#include <stdlib.h>
10#include <string.h> 10#include <string.h>
11#include <time.h> 11#include <time.h>
12#include "zlib.h" 12#include "zlib.h"
13#include "zip.h" 13#include "zip.h"
14 14
15#ifdef STDC 15#ifdef STDC
16# include <stddef.h> 16# include <stddef.h>
17# include <string.h> 17# include <string.h>
18# include <stdlib.h> 18# include <stdlib.h>
19#endif 19#endif
20#ifdef NO_ERRNO_H 20#ifdef NO_ERRNO_H
21 extern int errno; 21 extern int errno;
22#else 22#else
23# include <errno.h> 23# include <errno.h>
24#endif 24#endif
25 25
26 26
27#ifndef local 27#ifndef local
28# define local static 28# define local static
29#endif 29#endif
30/* compile with -Dlocal if your debugger can't find static symbols */ 30/* compile with -Dlocal if your debugger can't find static symbols */
31 31
32#ifndef VERSIONMADEBY 32#ifndef VERSIONMADEBY
33# define VERSIONMADEBY (0x0) /* platform depedent */ 33# define VERSIONMADEBY (0x0) /* platform depedent */
34#endif 34#endif
35 35
36#ifndef Z_BUFSIZE 36#ifndef Z_BUFSIZE
37#define Z_BUFSIZE (16384) 37#define Z_BUFSIZE (16384)
38#endif 38#endif
39 39
40#ifndef Z_MAXFILENAMEINZIP 40#ifndef Z_MAXFILENAMEINZIP
41#define Z_MAXFILENAMEINZIP (256) 41#define Z_MAXFILENAMEINZIP (256)
42#endif 42#endif
43 43
44#ifndef ALLOC 44#ifndef ALLOC
45# define ALLOC(size) (malloc(size)) 45# define ALLOC(size) (malloc(size))
46#endif 46#endif
47#ifndef TRYFREE 47#ifndef TRYFREE
48# define TRYFREE(p) {if (p) free(p);} 48# define TRYFREE(p) {if (p) free(p);}
49#endif 49#endif
50 50
51/* 51/*
52#define SIZECENTRALDIRITEM (0x2e) 52#define SIZECENTRALDIRITEM (0x2e)
53#define SIZEZIPLOCALHEADER (0x1e) 53#define SIZEZIPLOCALHEADER (0x1e)
54*/ 54*/
55 55
56/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ 56/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */
57 57
58#ifndef SEEK_CUR 58#ifndef SEEK_CUR
59#define SEEK_CUR 1 59#define SEEK_CUR 1
60#endif 60#endif
61 61
62#ifndef SEEK_END 62#ifndef SEEK_END
63#define SEEK_END 2 63#define SEEK_END 2
64#endif 64#endif
65 65
66#ifndef SEEK_SET 66#ifndef SEEK_SET
67#define SEEK_SET 0 67#define SEEK_SET 0
68#endif 68#endif
69 69
70#ifndef DEF_MEM_LEVEL 70#ifndef DEF_MEM_LEVEL
71#if MAX_MEM_LEVEL >= 8 71#if MAX_MEM_LEVEL >= 8
72# define DEF_MEM_LEVEL 8 72# define DEF_MEM_LEVEL 8
73#else 73#else
74# define DEF_MEM_LEVEL MAX_MEM_LEVEL 74# define DEF_MEM_LEVEL MAX_MEM_LEVEL
75#endif 75#endif
76#endif 76#endif
77const char zip_copyright[] = 77const char zip_copyright[] =
78 " zip 0.22 Copyright 1998-2003 Gilles Vollant - http://www.winimage.com/zLibDll"; 78 " zip 0.22 Copyright 1998-2003 Gilles Vollant - http://www.winimage.com/zLibDll";
79 79
80 80
81#define SIZEDATA_INDATABLOCK (4096-(4*4)) 81#define SIZEDATA_INDATABLOCK (4096-(4*4))
82 82
83#define LOCALHEADERMAGIC (0x04034b50) 83#define LOCALHEADERMAGIC (0x04034b50)
84#define CENTRALHEADERMAGIC (0x02014b50) 84#define CENTRALHEADERMAGIC (0x02014b50)
85#define ENDHEADERMAGIC (0x06054b50) 85#define ENDHEADERMAGIC (0x06054b50)
86 86
87#define FLAG_LOCALHEADER_OFFSET (0x06) 87#define FLAG_LOCALHEADER_OFFSET (0x06)
88#define CRC_LOCALHEADER_OFFSET (0x0e) 88#define CRC_LOCALHEADER_OFFSET (0x0e)
89 89
90#define SIZECENTRALHEADER (0x2e) /* 46 */ 90#define SIZECENTRALHEADER (0x2e) /* 46 */
91 91
92typedef struct linkedlist_datablock_internal_s 92typedef struct linkedlist_datablock_internal_s
93{ 93{
94 struct linkedlist_datablock_internal_s* next_datablock; 94 struct linkedlist_datablock_internal_s* next_datablock;
95 uLong avail_in_this_block; 95 uLong avail_in_this_block;
96 uLong filled_in_this_block; 96 uLong filled_in_this_block;
97 uLong unused; /* for future use and alignement */ 97 uLong unused; /* for future use and alignement */
98 unsigned char data[SIZEDATA_INDATABLOCK]; 98 unsigned char data[SIZEDATA_INDATABLOCK];
99} linkedlist_datablock_internal; 99} linkedlist_datablock_internal;
100 100
101typedef struct linkedlist_data_s 101typedef struct linkedlist_data_s
102{ 102{
103 linkedlist_datablock_internal* first_block; 103 linkedlist_datablock_internal* first_block;
104 linkedlist_datablock_internal* last_block; 104 linkedlist_datablock_internal* last_block;
105} linkedlist_data; 105} linkedlist_data;
106 106
107 107
108typedef struct 108typedef struct
109{ 109{
110 z_stream stream; /* zLib stream structure for inflate */ 110 z_stream stream; /* zLib stream structure for inflate */
111 int stream_initialised; /* 1 is stream is initialised */ 111 int stream_initialised; /* 1 is stream is initialised */
112 uInt pos_in_buffered_data; /* last written byte in buffered_data */ 112 uInt pos_in_buffered_data; /* last written byte in buffered_data */
113 113
114 uLong pos_local_header; /* offset of the local header of the file 114 uLong pos_local_header; /* offset of the local header of the file
115 currenty writing */ 115 currenty writing */
116 char* central_header; /* central header data for the current file */ 116 char* central_header; /* central header data for the current file */
117 uLong size_centralheader; /* size of the central header for cur file */ 117 uLong size_centralheader; /* size of the central header for cur file */
118 uLong flag; /* flag of the file currently writing */ 118 uLong flag; /* flag of the file currently writing */
119 119
120 int method; /* compression method of file currenty wr.*/ 120 int method; /* compression method of file currenty wr.*/
121 int raw; /* 1 for directly writing raw data */ 121 int raw; /* 1 for directly writing raw data */
122 Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/ 122 Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/
123 uLong dosDate; 123 uLong dosDate;
124 uLong crc32; 124 uLong crc32;
125 int encrypt; 125 int encrypt;
126#ifndef NOCRYPT 126#ifndef NOCRYPT
127 unsigned long keys[3]; /* keys defining the pseudo-random sequence */ 127 unsigned long keys[3]; /* keys defining the pseudo-random sequence */
128 const unsigned long* pcrc_32_tab; 128 const unsigned long* pcrc_32_tab;
129 int crypt_header_size; 129 int crypt_header_size;
130#endif 130#endif
131} curfile_info; 131} curfile_info;
132 132
133typedef struct 133typedef struct
134{ 134{
135 zlib_filefunc_def z_filefunc; 135 zlib_filefunc_def z_filefunc;
136 voidpf filestream; /* io structore of the zipfile */ 136 voidpf filestream; /* io structore of the zipfile */
137 linkedlist_data central_dir;/* datablock with central dir in construction*/ 137 linkedlist_data central_dir;/* datablock with central dir in construction*/
138 int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/ 138 int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/
139 curfile_info ci; /* info on the file curretly writing */ 139 curfile_info ci; /* info on the file curretly writing */
140 140
141 uLong begin_pos; /* position of the beginning of the zipfile */ 141 uLong begin_pos; /* position of the beginning of the zipfile */
142 uLong add_position_when_writting_offset; 142 uLong add_position_when_writting_offset;
143 uLong number_entry; 143 uLong number_entry;
144} zip_internal; 144} zip_internal;
145 145
146 146
147 147
148#ifndef NOCRYPT 148#ifndef NOCRYPT
149#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED 149#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED
150#include "crypt.h" 150#include "crypt.h"
151#endif 151#endif
152 152
153local linkedlist_datablock_internal* allocate_new_datablock() 153local linkedlist_datablock_internal* allocate_new_datablock()
154{ 154{
155 linkedlist_datablock_internal* ldi; 155 linkedlist_datablock_internal* ldi;
156 ldi = (linkedlist_datablock_internal*) 156 ldi = (linkedlist_datablock_internal*)
157 ALLOC(sizeof(linkedlist_datablock_internal)); 157 ALLOC(sizeof(linkedlist_datablock_internal));
158 if (ldi!=NULL) 158 if (ldi!=NULL)
159 { 159 {
160 ldi->next_datablock = NULL ; 160 ldi->next_datablock = NULL ;
161 ldi->filled_in_this_block = 0 ; 161 ldi->filled_in_this_block = 0 ;
162 ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ; 162 ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ;
163 } 163 }
164 return ldi; 164 return ldi;
165} 165}
166 166
167local void free_datablock(ldi) 167local void free_datablock(ldi)
168 linkedlist_datablock_internal* ldi; 168 linkedlist_datablock_internal* ldi;
169{ 169{
170 while (ldi!=NULL) 170 while (ldi!=NULL)
171 { 171 {
172 linkedlist_datablock_internal* ldinext = ldi->next_datablock; 172 linkedlist_datablock_internal* ldinext = ldi->next_datablock;
173 TRYFREE(ldi); 173 TRYFREE(ldi);
174 ldi = ldinext; 174 ldi = ldinext;
175 } 175 }
176} 176}
177 177
178local void init_linkedlist(ll) 178local void init_linkedlist(ll)
179 linkedlist_data* ll; 179 linkedlist_data* ll;
180{ 180{
181 ll->first_block = ll->last_block = NULL; 181 ll->first_block = ll->last_block = NULL;
182} 182}
183 183
184local void free_linkedlist(ll) 184local void free_linkedlist(ll)
185 linkedlist_data* ll; 185 linkedlist_data* ll;
186{ 186{
187 free_datablock(ll->first_block); 187 free_datablock(ll->first_block);
188 ll->first_block = ll->last_block = NULL; 188 ll->first_block = ll->last_block = NULL;
189} 189}
190 190
191 191
192local int add_data_in_datablock(ll,buf,len) 192local int add_data_in_datablock(ll,buf,len)
193 linkedlist_data* ll; 193 linkedlist_data* ll;
194 const void* buf; 194 const void* buf;
195 uLong len; 195 uLong len;
196{ 196{
197 linkedlist_datablock_internal* ldi; 197 linkedlist_datablock_internal* ldi;
198 const unsigned char* from_copy; 198 const unsigned char* from_copy;
199 199
200 if (ll==NULL) 200 if (ll==NULL)
201 return ZIP_INTERNALERROR; 201 return ZIP_INTERNALERROR;
202 202
203 if (ll->last_block == NULL) 203 if (ll->last_block == NULL)
204 { 204 {
205 ll->first_block = ll->last_block = allocate_new_datablock(); 205 ll->first_block = ll->last_block = allocate_new_datablock();
206 if (ll->first_block == NULL) 206 if (ll->first_block == NULL)
207 return ZIP_INTERNALERROR; 207 return ZIP_INTERNALERROR;
208 } 208 }
209 209
210 ldi = ll->last_block; 210 ldi = ll->last_block;
211 from_copy = (unsigned char*)buf; 211 from_copy = (unsigned char*)buf;
212 212
213 while (len>0) 213 while (len>0)
214 { 214 {
215 uInt copy_this; 215 uInt copy_this;
216 uInt i; 216 uInt i;
217 unsigned char* to_copy; 217 unsigned char* to_copy;
218 218
219 if (ldi->avail_in_this_block==0) 219 if (ldi->avail_in_this_block==0)
220 { 220 {
221 ldi->next_datablock = allocate_new_datablock(); 221 ldi->next_datablock = allocate_new_datablock();
222 if (ldi->next_datablock == NULL) 222 if (ldi->next_datablock == NULL)
223 return ZIP_INTERNALERROR; 223 return ZIP_INTERNALERROR;
224 ldi = ldi->next_datablock ; 224 ldi = ldi->next_datablock ;
225 ll->last_block = ldi; 225 ll->last_block = ldi;
226 } 226 }
227 227
228 if (ldi->avail_in_this_block < len) 228 if (ldi->avail_in_this_block < len)
229 copy_this = (uInt)ldi->avail_in_this_block; 229 copy_this = (uInt)ldi->avail_in_this_block;
230 else 230 else
231 copy_this = (uInt)len; 231 copy_this = (uInt)len;
232 232
233 to_copy = &(ldi->data[ldi->filled_in_this_block]); 233 to_copy = &(ldi->data[ldi->filled_in_this_block]);
234 234
235 for (i=0;i<copy_this;i++) 235 for (i=0;i<copy_this;i++)
236 *(to_copy+i)=*(from_copy+i); 236 *(to_copy+i)=*(from_copy+i);
237 237
238 ldi->filled_in_this_block += copy_this; 238 ldi->filled_in_this_block += copy_this;
239 ldi->avail_in_this_block -= copy_this; 239 ldi->avail_in_this_block -= copy_this;
240 from_copy += copy_this ; 240 from_copy += copy_this ;
241 len -= copy_this; 241 len -= copy_this;
242 } 242 }
243 return ZIP_OK; 243 return ZIP_OK;
244} 244}
245 245
246 246
247 247
248/****************************************************************************/ 248/****************************************************************************/
249 249
250#ifndef NO_ADDFILEINEXISTINGZIP 250#ifndef NO_ADDFILEINEXISTINGZIP
251/* =========================================================================== 251/* ===========================================================================
252 Inputs a long in LSB order to the given file 252 Inputs a long in LSB order to the given file
253 nbByte == 1, 2 or 4 (byte, short or long) 253 nbByte == 1, 2 or 4 (byte, short or long)
254*/ 254*/
255 255
256local int ziplocal_putValue OF((const zlib_filefunc_def* pzlib_filefunc_def, 256local int ziplocal_putValue OF((const zlib_filefunc_def* pzlib_filefunc_def,
257 voidpf filestream, uLong x, int nbByte)); 257 voidpf filestream, uLong x, int nbByte));
258local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte) 258local int ziplocal_putValue (pzlib_filefunc_def, filestream, x, nbByte)
259 const zlib_filefunc_def* pzlib_filefunc_def; 259 const zlib_filefunc_def* pzlib_filefunc_def;
260 voidpf filestream; 260 voidpf filestream;
261 uLong x; 261 uLong x;
262 int nbByte; 262 int nbByte;
263{ 263{
264 unsigned char buf[4]; 264 unsigned char buf[4];
265 int n; 265 int n;
266 for (n = 0; n < nbByte; n++) { 266 for (n = 0; n < nbByte; n++) {
267 buf[n] = (unsigned char)(x & 0xff); 267 buf[n] = (unsigned char)(x & 0xff);
268 x >>= 8; 268 x >>= 8;
269 } 269 }
270 if (ZWRITE(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte) 270 if (ZWRITE(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte)
271 return ZIP_ERRNO; 271 return ZIP_ERRNO;
272 else 272 else
273 return ZIP_OK; 273 return ZIP_OK;
274} 274}
275 275
276local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte)); 276local void ziplocal_putValue_inmemory OF((void* dest, uLong x, int nbByte));
277local void ziplocal_putValue_inmemory (dest, x, nbByte) 277local void ziplocal_putValue_inmemory (dest, x, nbByte)
278 void* dest; 278 void* dest;
279 uLong x; 279 uLong x;
280 int nbByte; 280 int nbByte;
281{ 281{
282 unsigned char* buf=(unsigned char*)dest; 282 unsigned char* buf=(unsigned char*)dest;
283 int n; 283 int n;
284 for (n = 0; n < nbByte; n++) { 284 for (n = 0; n < nbByte; n++) {
285 buf[n] = (unsigned char)(x & 0xff); 285 buf[n] = (unsigned char)(x & 0xff);
286 x >>= 8; 286 x >>= 8;
287 } 287 }
288} 288}
289/****************************************************************************/ 289/****************************************************************************/
290 290
291 291
292local uLong ziplocal_TmzDateToDosDate(ptm,dosDate) 292local uLong ziplocal_TmzDateToDosDate(ptm,dosDate)
293 const tm_zip* ptm; 293 const tm_zip* ptm;
294 uLong dosDate; 294 uLong dosDate;
295{ 295{
296 uLong year = (uLong)ptm->tm_year; 296 uLong year = (uLong)ptm->tm_year;
297 if (year>1980) 297 if (year>1980)
298 year-=1980; 298 year-=1980;
299 else if (year>80) 299 else if (year>80)
300 year-=80; 300 year-=80;
301 return 301 return
302 (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) | 302 (uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) |
303 ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour)); 303 ((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour));
304} 304}
305 305
306 306
307/****************************************************************************/ 307/****************************************************************************/
308 308
309local int ziplocal_getByte OF(( 309local int ziplocal_getByte OF((
310 const zlib_filefunc_def* pzlib_filefunc_def, 310 const zlib_filefunc_def* pzlib_filefunc_def,
311 voidpf filestream, 311 voidpf filestream,
312 int *pi)); 312 int *pi));
313 313
314local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi) 314local int ziplocal_getByte(pzlib_filefunc_def,filestream,pi)
315 const zlib_filefunc_def* pzlib_filefunc_def; 315 const zlib_filefunc_def* pzlib_filefunc_def;
316 voidpf filestream; 316 voidpf filestream;
317 int *pi; 317 int *pi;
318{ 318{
319 unsigned char c; 319 unsigned char c;
320 int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1); 320 int err = (int)ZREAD(*pzlib_filefunc_def,filestream,&c,1);
321 if (err==1) 321 if (err==1)
322 { 322 {
323 *pi = (int)c; 323 *pi = (int)c;
324 return ZIP_OK; 324 return ZIP_OK;
325 } 325 }
326 else 326 else
327 { 327 {
328 if (ZERROR(*pzlib_filefunc_def,filestream)) 328 if (ZERROR(*pzlib_filefunc_def,filestream))
329 return ZIP_ERRNO; 329 return ZIP_ERRNO;
330 else 330 else
331 return ZIP_EOF; 331 return ZIP_EOF;
332 } 332 }
333} 333}
334 334
335 335
336/* =========================================================================== 336/* ===========================================================================
337 Reads a long in LSB order from the given gz_stream. Sets 337 Reads a long in LSB order from the given gz_stream. Sets
338*/ 338*/
339local int ziplocal_getShort OF(( 339local int ziplocal_getShort OF((
340 const zlib_filefunc_def* pzlib_filefunc_def, 340 const zlib_filefunc_def* pzlib_filefunc_def,
341 voidpf filestream, 341 voidpf filestream,
342 uLong *pX)); 342 uLong *pX));
343 343
344local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX) 344local int ziplocal_getShort (pzlib_filefunc_def,filestream,pX)
345 const zlib_filefunc_def* pzlib_filefunc_def; 345 const zlib_filefunc_def* pzlib_filefunc_def;
346 voidpf filestream; 346 voidpf filestream;
347 uLong *pX; 347 uLong *pX;
348{ 348{
349 uLong x ; 349 uLong x ;
350 int i; 350 int i;
351 int err; 351 int err;
352 352
353 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); 353 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
354 x = (uLong)i; 354 x = (uLong)i;
355 355
356 if (err==ZIP_OK) 356 if (err==ZIP_OK)
357 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); 357 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
358 x += ((uLong)i)<<8; 358 x += ((uLong)i)<<8;
359 359
360 if (err==ZIP_OK) 360 if (err==ZIP_OK)
361 *pX = x; 361 *pX = x;
362 else 362 else
363 *pX = 0; 363 *pX = 0;
364 return err; 364 return err;
365} 365}
366 366
367local int ziplocal_getLong OF(( 367local int ziplocal_getLong OF((
368 const zlib_filefunc_def* pzlib_filefunc_def, 368 const zlib_filefunc_def* pzlib_filefunc_def,
369 voidpf filestream, 369 voidpf filestream,
370 uLong *pX)); 370 uLong *pX));
371 371
372local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX) 372local int ziplocal_getLong (pzlib_filefunc_def,filestream,pX)
373 const zlib_filefunc_def* pzlib_filefunc_def; 373 const zlib_filefunc_def* pzlib_filefunc_def;
374 voidpf filestream; 374 voidpf filestream;
375 uLong *pX; 375 uLong *pX;
376{ 376{
377 uLong x ; 377 uLong x ;
378 int i; 378 int i;
379 int err; 379 int err;
380 380
381 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); 381 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
382 x = (uLong)i; 382 x = (uLong)i;
383 383
384 if (err==ZIP_OK) 384 if (err==ZIP_OK)
385 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); 385 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
386 x += ((uLong)i)<<8; 386 x += ((uLong)i)<<8;
387 387
388 if (err==ZIP_OK) 388 if (err==ZIP_OK)
389 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); 389 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
390 x += ((uLong)i)<<16; 390 x += ((uLong)i)<<16;
391 391
392 if (err==ZIP_OK) 392 if (err==ZIP_OK)
393 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i); 393 err = ziplocal_getByte(pzlib_filefunc_def,filestream,&i);
394 x += ((uLong)i)<<24; 394 x += ((uLong)i)<<24;
395 395
396 if (err==ZIP_OK) 396 if (err==ZIP_OK)
397 *pX = x; 397 *pX = x;
398 else 398 else
399 *pX = 0; 399 *pX = 0;
400 return err; 400 return err;
401} 401}
402 402
403#ifndef BUFREADCOMMENT 403#ifndef BUFREADCOMMENT
404#define BUFREADCOMMENT (0x400) 404#define BUFREADCOMMENT (0x400)
405#endif 405#endif
406/* 406/*
407 Locate the Central directory of a zipfile (at the end, just before 407 Locate the Central directory of a zipfile (at the end, just before
408 the global comment) 408 the global comment)
409*/ 409*/
410local uLong ziplocal_SearchCentralDir OF(( 410local uLong ziplocal_SearchCentralDir OF((
411 const zlib_filefunc_def* pzlib_filefunc_def, 411 const zlib_filefunc_def* pzlib_filefunc_def,
412 voidpf filestream)); 412 voidpf filestream));
413 413
414local uLong ziplocal_SearchCentralDir(pzlib_filefunc_def,filestream) 414local uLong ziplocal_SearchCentralDir(pzlib_filefunc_def,filestream)
415 const zlib_filefunc_def* pzlib_filefunc_def; 415 const zlib_filefunc_def* pzlib_filefunc_def;
416 voidpf filestream; 416 voidpf filestream;
417{ 417{
418 unsigned char* buf; 418 unsigned char* buf;
419 uLong uSizeFile; 419 uLong uSizeFile;
420 uLong uBackRead; 420 uLong uBackRead;
421 uLong uMaxBack=0xffff; /* maximum size of global comment */ 421 uLong uMaxBack=0xffff; /* maximum size of global comment */
422 uLong uPosFound=0; 422 uLong uPosFound=0;
423 423
424 if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0) 424 if (ZSEEK(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)
425 return 0; 425 return 0;
426 426
427 427
428 uSizeFile = ZTELL(*pzlib_filefunc_def,filestream); 428 uSizeFile = ZTELL(*pzlib_filefunc_def,filestream);
429 429
430 if (uMaxBack>uSizeFile) 430 if (uMaxBack>uSizeFile)
431 uMaxBack = uSizeFile; 431 uMaxBack = uSizeFile;
432 432
433 buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4); 433 buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);
434 if (buf==NULL) 434 if (buf==NULL)
435 return 0; 435 return 0;
436 436
437 uBackRead = 4; 437 uBackRead = 4;
438 while (uBackRead<uMaxBack) 438 while (uBackRead<uMaxBack)
439 { 439 {
440 uLong uReadSize,uReadPos ; 440 uLong uReadSize,uReadPos ;
441 int i; 441 int i;
442 if (uBackRead+BUFREADCOMMENT>uMaxBack) 442 if (uBackRead+BUFREADCOMMENT>uMaxBack)
443 uBackRead = uMaxBack; 443 uBackRead = uMaxBack;
444 else 444 else
445 uBackRead+=BUFREADCOMMENT; 445 uBackRead+=BUFREADCOMMENT;
446 uReadPos = uSizeFile-uBackRead ; 446 uReadPos = uSizeFile-uBackRead ;
447 447
448 uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ? 448 uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?
449 (BUFREADCOMMENT+4) : (uSizeFile-uReadPos); 449 (BUFREADCOMMENT+4) : (uSizeFile-uReadPos);
450 if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0) 450 if (ZSEEK(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)
451 break; 451 break;
452 452
453 if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize) 453 if (ZREAD(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)
454 break; 454 break;
455 455
456 for (i=(int)uReadSize-3; (i--)>0;) 456 for (i=(int)uReadSize-3; (i--)>0;)
457 if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && 457 if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&
458 ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06)) 458 ((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))
459 { 459 {
460 uPosFound = uReadPos+i; 460 uPosFound = uReadPos+i;
461 break; 461 break;
462 } 462 }
463 463
464 if (uPosFound!=0) 464 if (uPosFound!=0)
465 break; 465 break;
466 } 466 }
467 TRYFREE(buf); 467 TRYFREE(buf);
468 return uPosFound; 468 return uPosFound;
469} 469}
470#endif /* !NO_ADDFILEINEXISTINGZIP*/ 470#endif /* !NO_ADDFILEINEXISTINGZIP*/
471 471
472/************************************************************/ 472/************************************************************/
473extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc_def) 473extern zipFile ZEXPORT zipOpen2 (pathname, append, globalcomment, pzlib_filefunc_def)
474 const char *pathname; 474 const char *pathname;
475 int append; 475 int append;
476 zipcharpc* globalcomment; 476 zipcharpc* globalcomment;
477 zlib_filefunc_def* pzlib_filefunc_def; 477 zlib_filefunc_def* pzlib_filefunc_def;
478{ 478{
479 zip_internal ziinit; 479 zip_internal ziinit;
480 zip_internal* zi; 480 zip_internal* zi;
481 int err=ZIP_OK; 481 int err=ZIP_OK;
482 482
483 483
484 if (pzlib_filefunc_def==NULL) 484 if (pzlib_filefunc_def==NULL)
485 fill_fopen_filefunc(&ziinit.z_filefunc); 485 fill_fopen_filefunc(&ziinit.z_filefunc);
486 else 486 else
487 ziinit.z_filefunc = *pzlib_filefunc_def; 487 ziinit.z_filefunc = *pzlib_filefunc_def;
488 488
489 ziinit.filestream = (*(ziinit.z_filefunc.zopen_file)) 489 ziinit.filestream = (*(ziinit.z_filefunc.zopen_file))
490 (ziinit.z_filefunc.opaque, 490 (ziinit.z_filefunc.opaque,
491 pathname, 491 pathname,
492 (append == APPEND_STATUS_CREATE) ? 492 (append == APPEND_STATUS_CREATE) ?
493 (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) : 493 (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) :
494 (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING)); 494 (ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING));
495 495
496 if (ziinit.filestream == NULL) 496 if (ziinit.filestream == NULL)
497 return NULL; 497 return NULL;
498 ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream); 498 ziinit.begin_pos = ZTELL(ziinit.z_filefunc,ziinit.filestream);
499 ziinit.in_opened_file_inzip = 0; 499 ziinit.in_opened_file_inzip = 0;
500 ziinit.ci.stream_initialised = 0; 500 ziinit.ci.stream_initialised = 0;
501 ziinit.number_entry = 0; 501 ziinit.number_entry = 0;
502 ziinit.add_position_when_writting_offset = 0; 502 ziinit.add_position_when_writting_offset = 0;
503 init_linkedlist(&(ziinit.central_dir)); 503 init_linkedlist(&(ziinit.central_dir));
504 504
505 505
506 zi = (zip_internal*)ALLOC(sizeof(zip_internal)); 506 zi = (zip_internal*)ALLOC(sizeof(zip_internal));
507 if (zi==NULL) 507 if (zi==NULL)
508 { 508 {
509 ZCLOSE(ziinit.z_filefunc,ziinit.filestream); 509 ZCLOSE(ziinit.z_filefunc,ziinit.filestream);
510 return NULL; 510 return NULL;
511 } 511 }
512 512
513 /* now we add file in a zipfile */ 513 /* now we add file in a zipfile */
514 #ifndef NO_ADDFILEINEXISTINGZIP 514# ifndef NO_ADDFILEINEXISTINGZIP
515 if (append == APPEND_STATUS_ADDINZIP) 515 if (append == APPEND_STATUS_ADDINZIP)
516 { 516 {
517 uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/ 517 uLong byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/
518 518
519 uLong size_central_dir; /* size of the central directory */ 519 uLong size_central_dir; /* size of the central directory */
520 uLong offset_central_dir; /* offset of start of central directory */ 520 uLong offset_central_dir; /* offset of start of central directory */
521 uLong central_pos,uL; 521 uLong central_pos,uL;
522 522
523 uLong number_disk; /* number of the current dist, used for 523 uLong number_disk; /* number of the current dist, used for
524 spaning ZIP, unsupported, always 0*/ 524 spaning ZIP, unsupported, always 0*/
525 uLong number_disk_with_CD; /* number the the disk with central dir, used 525 uLong number_disk_with_CD; /* number the the disk with central dir, used
526 for spaning ZIP, unsupported, always 0*/ 526 for spaning ZIP, unsupported, always 0*/
527 uLong number_entry; 527 uLong number_entry;
528 uLong number_entry_CD; /* total number of entries in 528 uLong number_entry_CD; /* total number of entries in
529 the central dir 529 the central dir
530 (same than number_entry on nospan) */ 530 (same than number_entry on nospan) */
531 uLong size_comment; 531 uLong size_comment;
532 532
533 central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream); 533 central_pos = ziplocal_SearchCentralDir(&ziinit.z_filefunc,ziinit.filestream);
534 if (central_pos==0) 534 if (central_pos==0)
535 err=ZIP_ERRNO; 535 err=ZIP_ERRNO;
536 536
537 if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, 537 if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
538 central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0) 538 central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)
539 err=ZIP_ERRNO; 539 err=ZIP_ERRNO;
540 540
541 /* the signature, already checked */ 541 /* the signature, already checked */
542 if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK) 542 if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&uL)!=ZIP_OK)
543 err=ZIP_ERRNO; 543 err=ZIP_ERRNO;
544 544
545 /* number of this disk */ 545 /* number of this disk */
546 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK) 546 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk)!=ZIP_OK)
547 err=ZIP_ERRNO; 547 err=ZIP_ERRNO;
548 548
549 /* number of the disk with the start of the central directory */ 549 /* number of the disk with the start of the central directory */
550 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK) 550 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_disk_with_CD)!=ZIP_OK)
551 err=ZIP_ERRNO; 551 err=ZIP_ERRNO;
552 552
553 /* total number of entries in the central dir on this disk */ 553 /* total number of entries in the central dir on this disk */
554 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK) 554 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry)!=ZIP_OK)
555 err=ZIP_ERRNO; 555 err=ZIP_ERRNO;
556 556
557 /* total number of entries in the central dir */ 557 /* total number of entries in the central dir */
558 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK) 558 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&number_entry_CD)!=ZIP_OK)
559 err=ZIP_ERRNO; 559 err=ZIP_ERRNO;
560 560
561 if ((number_entry_CD!=number_entry) || 561 if ((number_entry_CD!=number_entry) ||
562 (number_disk_with_CD!=0) || 562 (number_disk_with_CD!=0) ||
563 (number_disk!=0)) 563 (number_disk!=0))
564 err=ZIP_BADZIPFILE; 564 err=ZIP_BADZIPFILE;
565 565
566 /* size of the central directory */ 566 /* size of the central directory */
567 if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK) 567 if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&size_central_dir)!=ZIP_OK)
568 err=ZIP_ERRNO; 568 err=ZIP_ERRNO;
569 569
570 /* offset of start of central directory with respect to the 570 /* offset of start of central directory with respect to the
571 starting disk number */ 571 starting disk number */
572 if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK) 572 if (ziplocal_getLong(&ziinit.z_filefunc, ziinit.filestream,&offset_central_dir)!=ZIP_OK)
573 err=ZIP_ERRNO; 573 err=ZIP_ERRNO;
574 574
575 /* zipfile comment length */ 575 /* zipfile comment length */
576 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK) 576 if (ziplocal_getShort(&ziinit.z_filefunc, ziinit.filestream,&size_comment)!=ZIP_OK)
577 err=ZIP_ERRNO; 577 err=ZIP_ERRNO;
578 578
579 if ((central_pos<offset_central_dir+size_central_dir) && 579 if ((central_pos<offset_central_dir+size_central_dir) &&
580 (err==ZIP_OK)) 580 (err==ZIP_OK))
581 err=ZIP_BADZIPFILE; 581 err=ZIP_BADZIPFILE;
582 582
583 if (err!=ZIP_OK) 583 if (err!=ZIP_OK)
584 { 584 {
585 ZCLOSE(ziinit.z_filefunc, ziinit.filestream); 585 ZCLOSE(ziinit.z_filefunc, ziinit.filestream);
586 return NULL; 586 return NULL;
587 } 587 }
588 588
589 byte_before_the_zipfile = central_pos - 589 byte_before_the_zipfile = central_pos -
590 (offset_central_dir+size_central_dir); 590 (offset_central_dir+size_central_dir);
591 ziinit.add_position_when_writting_offset = byte_before_the_zipfile ; 591 ziinit.add_position_when_writting_offset = byte_before_the_zipfile ;
592 592
593 { 593 {
594 uLong size_central_dir_to_read = size_central_dir; 594 uLong size_central_dir_to_read = size_central_dir;
595 size_t buf_size = SIZEDATA_INDATABLOCK; 595 size_t buf_size = SIZEDATA_INDATABLOCK;
596 void* buf_read = (void*)ALLOC(buf_size); 596 void* buf_read = (void*)ALLOC(buf_size);
597 if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, 597 if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
598 offset_central_dir + byte_before_the_zipfile, 598 offset_central_dir + byte_before_the_zipfile,
599 ZLIB_FILEFUNC_SEEK_SET) != 0) 599 ZLIB_FILEFUNC_SEEK_SET) != 0)
600 err=ZIP_ERRNO; 600 err=ZIP_ERRNO;
601 601
602 while ((size_central_dir_to_read>0) && (err==ZIP_OK)) 602 while ((size_central_dir_to_read>0) && (err==ZIP_OK))
603 { 603 {
604 uLong read_this = SIZEDATA_INDATABLOCK; 604 uLong read_this = SIZEDATA_INDATABLOCK;
605 if (read_this > size_central_dir_to_read) 605 if (read_this > size_central_dir_to_read)
606 read_this = size_central_dir_to_read; 606 read_this = size_central_dir_to_read;
607 if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this) 607 if (ZREAD(ziinit.z_filefunc, ziinit.filestream,buf_read,read_this) != read_this)
608 err=ZIP_ERRNO; 608 err=ZIP_ERRNO;
609 609
610 if (err==ZIP_OK) 610 if (err==ZIP_OK)
611 err = add_data_in_datablock(&ziinit.central_dir,buf_read, 611 err = add_data_in_datablock(&ziinit.central_dir,buf_read,
612 (uLong)read_this); 612 (uLong)read_this);
613 size_central_dir_to_read-=read_this; 613 size_central_dir_to_read-=read_this;
614 } 614 }
615 TRYFREE(buf_read); 615 TRYFREE(buf_read);
616 } 616 }
617 ziinit.begin_pos = byte_before_the_zipfile; 617 ziinit.begin_pos = byte_before_the_zipfile;
618 ziinit.number_entry = number_entry_CD; 618 ziinit.number_entry = number_entry_CD;
619 619
620 if (ZSEEK(ziinit.z_filefunc, ziinit.filestream, 620 if (ZSEEK(ziinit.z_filefunc, ziinit.filestream,
621 offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0) 621 offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET)!=0)
622 err=ZIP_ERRNO; 622 err=ZIP_ERRNO;
623 } 623 }
624 #endif /* !NO_ADDFILEINEXISTINGZIP*/ 624# endif /* !NO_ADDFILEINEXISTINGZIP*/
625 625
626 if (err != ZIP_OK) 626 if (err != ZIP_OK)
627 { 627 {
628 TRYFREE(zi); 628 TRYFREE(zi);
629 return NULL; 629 return NULL;
630 } 630 }
631 else 631 else
632 { 632 {
633 *zi = ziinit; 633 *zi = ziinit;
634 return (zipFile)zi; 634 return (zipFile)zi;
635 } 635 }
636} 636}
637 637
638extern zipFile ZEXPORT zipOpen (pathname, append) 638extern zipFile ZEXPORT zipOpen (pathname, append)
639 const char *pathname; 639 const char *pathname;
640 int append; 640 int append;
641{ 641{
642 return zipOpen2(pathname,append,NULL,NULL); 642 return zipOpen2(pathname,append,NULL,NULL);
643} 643}
644 644
645extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi, 645extern int ZEXPORT zipOpenNewFileInZip3 (file, filename, zipfi,
646 extrafield_local, size_extrafield_local, 646 extrafield_local, size_extrafield_local,
647 extrafield_global, size_extrafield_global, 647 extrafield_global, size_extrafield_global,
648 comment, method, level, raw, 648 comment, method, level, raw,
649 windowBits, memLevel, strategy, 649 windowBits, memLevel, strategy,
650 password, crcForCrypting) 650 password, crcForCrypting)
651 zipFile file; 651 zipFile file;
652 const char* filename; 652 const char* filename;
653 const zip_fileinfo* zipfi; 653 const zip_fileinfo* zipfi;
654 const void* extrafield_local; 654 const void* extrafield_local;
655 uInt size_extrafield_local; 655 uInt size_extrafield_local;
656 const void* extrafield_global; 656 const void* extrafield_global;
657 uInt size_extrafield_global; 657 uInt size_extrafield_global;
658 const char* comment; 658 const char* comment;
659 int method; 659 int method;
660 int level; 660 int level;
661 int raw; 661 int raw;
662 int windowBits; 662 int windowBits;
663 int memLevel; 663 int memLevel;
664 int strategy; 664 int strategy;
665 const char* password; 665 const char* password;
666 uLong crcForCrypting; 666 uLong crcForCrypting;
667{ 667{
668 zip_internal* zi; 668 zip_internal* zi;
669 uInt size_filename; 669 uInt size_filename;
670 uInt size_comment; 670 uInt size_comment;
671 uInt i; 671 uInt i;
672 int err = ZIP_OK; 672 int err = ZIP_OK;
673 673
674 #ifdef NOCRYPT 674# ifdef NOCRYPT
675 if (password != NULL) 675 if (password != NULL)
676 return ZIP_PARAMERROR; 676 return ZIP_PARAMERROR;
677 #endif 677# endif
678 678
679 if (file == NULL) 679 if (file == NULL)
680 return ZIP_PARAMERROR; 680 return ZIP_PARAMERROR;
681 if ((method!=0) && (method!=Z_DEFLATED)) 681 if ((method!=0) && (method!=Z_DEFLATED))
682 return ZIP_PARAMERROR; 682 return ZIP_PARAMERROR;
683 683
684 zi = (zip_internal*)file; 684 zi = (zip_internal*)file;
685 685
686 if (zi->in_opened_file_inzip == 1) 686 if (zi->in_opened_file_inzip == 1)
687 { 687 {
688 err = zipCloseFileInZip (file); 688 err = zipCloseFileInZip (file);
689 if (err != ZIP_OK) 689 if (err != ZIP_OK)
690 return err; 690 return err;
691 } 691 }
692 692
693 693
694 if (filename==NULL) 694 if (filename==NULL)
695 filename="-"; 695 filename="-";
696 696
697 if (comment==NULL) 697 if (comment==NULL)
698 size_comment = 0; 698 size_comment = 0;
699 else 699 else
700 size_comment = strlen(comment); 700 size_comment = strlen(comment);
701 701
702 size_filename = strlen(filename); 702 size_filename = strlen(filename);
703 703
704 if (zipfi == NULL) 704 if (zipfi == NULL)
705 zi->ci.dosDate = 0; 705 zi->ci.dosDate = 0;
706 else 706 else
707 { 707 {
708 if (zipfi->dosDate != 0) 708 if (zipfi->dosDate != 0)
709 zi->ci.dosDate = zipfi->dosDate; 709 zi->ci.dosDate = zipfi->dosDate;
710 else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate); 710 else zi->ci.dosDate = ziplocal_TmzDateToDosDate(&zipfi->tmz_date,zipfi->dosDate);
711 } 711 }
712 712
713 zi->ci.flag = 0; 713 zi->ci.flag = 0;
714 if ((level==8) || (level==9)) 714 if ((level==8) || (level==9))
715 zi->ci.flag |= 2; 715 zi->ci.flag |= 2;
716 if ((level==2)) 716 if ((level==2))
717 zi->ci.flag |= 4; 717 zi->ci.flag |= 4;
718 if ((level==1)) 718 if ((level==1))
719 zi->ci.flag |= 6; 719 zi->ci.flag |= 6;
720 if (password != NULL) 720 if (password != NULL)
721 zi->ci.flag |= 1; 721 zi->ci.flag |= 1;
722 722
723 zi->ci.crc32 = 0; 723 zi->ci.crc32 = 0;
724 zi->ci.method = method; 724 zi->ci.method = method;
725 zi->ci.encrypt = 0; 725 zi->ci.encrypt = 0;
726 zi->ci.stream_initialised = 0; 726 zi->ci.stream_initialised = 0;
727 zi->ci.pos_in_buffered_data = 0; 727 zi->ci.pos_in_buffered_data = 0;
728 zi->ci.raw = raw; 728 zi->ci.raw = raw;
729 zi->ci.pos_local_header = ZTELL(zi->z_filefunc,zi->filestream) ; 729 zi->ci.pos_local_header = ZTELL(zi->z_filefunc,zi->filestream) ;
730 zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + 730 zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename +
731 size_extrafield_global + size_comment; 731 size_extrafield_global + size_comment;
732 zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader); 732 zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader);
733 733
734 ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4); 734 ziplocal_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4);
735 /* version info */ 735 /* version info */
736 ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2); 736 ziplocal_putValue_inmemory(zi->ci.central_header+4,(uLong)VERSIONMADEBY,2);
737 ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2); 737 ziplocal_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2);
738 ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2); 738 ziplocal_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2);
739 ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2); 739 ziplocal_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2);
740 ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4); 740 ziplocal_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4);
741 ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/ 741 ziplocal_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/
742 ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/ 742 ziplocal_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/
743 ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/ 743 ziplocal_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/
744 ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2); 744 ziplocal_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2);
745 ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2); 745 ziplocal_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2);
746 ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2); 746 ziplocal_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2);
747 ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/ 747 ziplocal_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/
748 748
749 if (zipfi==NULL) 749 if (zipfi==NULL)
750 ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2); 750 ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2);
751 else 751 else
752 ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2); 752 ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2);
753 753
754 if (zipfi==NULL) 754 if (zipfi==NULL)
755 ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4); 755 ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4);
756 else 756 else
757 ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4); 757 ziplocal_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4);
758 758
759 ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header- zi->add_position_when_writting_offset,4); 759 ziplocal_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header- zi->add_position_when_writting_offset,4);
760 760
761 for (i=0;i<size_filename;i++) 761 for (i=0;i<size_filename;i++)
762 *(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i); 762 *(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i);
763 763
764 for (i=0;i<size_extrafield_global;i++) 764 for (i=0;i<size_extrafield_global;i++)
765 *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) = 765 *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) =
766 *(((const char*)extrafield_global)+i); 766 *(((const char*)extrafield_global)+i);
767 767
768 for (i=0;i<size_comment;i++) 768 for (i=0;i<size_comment;i++)
769 *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+ 769 *(zi->ci.central_header+SIZECENTRALHEADER+size_filename+
770 size_extrafield_global+i) = *(comment+i); 770 size_extrafield_global+i) = *(comment+i);
771 if (zi->ci.central_header == NULL) 771 if (zi->ci.central_header == NULL)
772 return ZIP_INTERNALERROR; 772 return ZIP_INTERNALERROR;
773 773
774 /* write the local header */ 774 /* write the local header */
775 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4); 775 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC,4);
776 776
777 if (err==ZIP_OK) 777 if (err==ZIP_OK)
778 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */ 778 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */
779 if (err==ZIP_OK) 779 if (err==ZIP_OK)
780 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2); 780 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2);
781 781
782 if (err==ZIP_OK) 782 if (err==ZIP_OK)
783 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2); 783 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2);
784 784
785 if (err==ZIP_OK) 785 if (err==ZIP_OK)
786 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4); 786 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4);
787 787
788 if (err==ZIP_OK) 788 if (err==ZIP_OK)
789 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */ 789 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */
790 if (err==ZIP_OK) 790 if (err==ZIP_OK)
791 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */ 791 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */
792 if (err==ZIP_OK) 792 if (err==ZIP_OK)
793 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */ 793 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */
794 794
795 if (err==ZIP_OK) 795 if (err==ZIP_OK)
796 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2); 796 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2);
797 797
798 if (err==ZIP_OK) 798 if (err==ZIP_OK)
799 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield_local,2); 799 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield_local,2);
800 800
801 if ((err==ZIP_OK) && (size_filename>0)) 801 if ((err==ZIP_OK) && (size_filename>0))
802 if (ZWRITE(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename) 802 if (ZWRITE(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename)
803 err = ZIP_ERRNO; 803 err = ZIP_ERRNO;
804 804
805 if ((err==ZIP_OK) && (size_extrafield_local>0)) 805 if ((err==ZIP_OK) && (size_extrafield_local>0))
806 if (ZWRITE(zi->z_filefunc,zi->filestream,extrafield_local,size_extrafield_local) 806 if (ZWRITE(zi->z_filefunc,zi->filestream,extrafield_local,size_extrafield_local)
807 !=size_extrafield_local) 807 !=size_extrafield_local)
808 err = ZIP_ERRNO; 808 err = ZIP_ERRNO;
809 809
810 zi->ci.stream.avail_in = (uInt)0; 810 zi->ci.stream.avail_in = (uInt)0;
811 zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; 811 zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
812 zi->ci.stream.next_out = zi->ci.buffered_data; 812 zi->ci.stream.next_out = zi->ci.buffered_data;
813 zi->ci.stream.total_in = 0; 813 zi->ci.stream.total_in = 0;
814 zi->ci.stream.total_out = 0; 814 zi->ci.stream.total_out = 0;
815 815
816 if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) 816 if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
817 { 817 {
818 zi->ci.stream.zalloc = (alloc_func)0; 818 zi->ci.stream.zalloc = (alloc_func)0;
819 zi->ci.stream.zfree = (free_func)0; 819 zi->ci.stream.zfree = (free_func)0;
820 zi->ci.stream.opaque = (voidpf)0; 820 zi->ci.stream.opaque = (voidpf)0;
821 821
822 if (windowBits>0) 822 if (windowBits>0)
823 windowBits = -windowBits; 823 windowBits = -windowBits;
824 824
825 err = deflateInit2(&zi->ci.stream, level, 825 err = deflateInit2(&zi->ci.stream, level,
826 Z_DEFLATED, windowBits, memLevel, strategy); 826 Z_DEFLATED, windowBits, memLevel, strategy);
827 827
828 if (err==Z_OK) 828 if (err==Z_OK)
829 zi->ci.stream_initialised = 1; 829 zi->ci.stream_initialised = 1;
830 } 830 }
831 #ifndef NOCRYPT 831# ifndef NOCRYPT
832 zi->ci.crypt_header_size = 0; 832 zi->ci.crypt_header_size = 0;
833 if ((err==Z_OK) && (password != NULL)) 833 if ((err==Z_OK) && (password != NULL))
834 { 834 {
835 unsigned char bufHead[RAND_HEAD_LEN]; 835 unsigned char bufHead[RAND_HEAD_LEN];
836 unsigned int sizeHead; 836 unsigned int sizeHead;
837 zi->ci.encrypt = 1; 837 zi->ci.encrypt = 1;
838 zi->ci.pcrc_32_tab = get_crc_table(); 838 zi->ci.pcrc_32_tab = get_crc_table();
839 /*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/ 839 /*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/
840 840
841 sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting); 841 sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting);
842 zi->ci.crypt_header_size = sizeHead; 842 zi->ci.crypt_header_size = sizeHead;
843 843
844 if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead) 844 if (ZWRITE(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead)
845 err = ZIP_ERRNO; 845 err = ZIP_ERRNO;
846 } 846 }
847 #endif 847# endif
848 848
849 if (err==Z_OK) 849 if (err==Z_OK)
850 zi->in_opened_file_inzip = 1; 850 zi->in_opened_file_inzip = 1;
851 return err; 851 return err;
852} 852}
853 853
854extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi, 854extern int ZEXPORT zipOpenNewFileInZip2(file, filename, zipfi,
855 extrafield_local, size_extrafield_local, 855 extrafield_local, size_extrafield_local,
856 extrafield_global, size_extrafield_global, 856 extrafield_global, size_extrafield_global,
857 comment, method, level, raw) 857 comment, method, level, raw)
858 zipFile file; 858 zipFile file;
859 const char* filename; 859 const char* filename;
860 const zip_fileinfo* zipfi; 860 const zip_fileinfo* zipfi;
861 const void* extrafield_local; 861 const void* extrafield_local;
862 uInt size_extrafield_local; 862 uInt size_extrafield_local;
863 const void* extrafield_global; 863 const void* extrafield_global;
864 uInt size_extrafield_global; 864 uInt size_extrafield_global;
865 const char* comment; 865 const char* comment;
866 int method; 866 int method;
867 int level; 867 int level;
868 int raw; 868 int raw;
869{ 869{
870 return zipOpenNewFileInZip3 (file, filename, zipfi, 870 return zipOpenNewFileInZip3 (file, filename, zipfi,
871 extrafield_local, size_extrafield_local, 871 extrafield_local, size_extrafield_local,
872 extrafield_global, size_extrafield_global, 872 extrafield_global, size_extrafield_global,
873 comment, method, level, raw, 873 comment, method, level, raw,
874 -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY, 874 -MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,
875 NULL, 0); 875 NULL, 0);
876} 876}
877 877
878extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi, 878extern int ZEXPORT zipOpenNewFileInZip (file, filename, zipfi,
879 extrafield_local, size_extrafield_local, 879 extrafield_local, size_extrafield_local,
880 extrafield_global, size_extrafield_global, 880 extrafield_global, size_extrafield_global,
881 comment, method, level) 881 comment, method, level)
882 zipFile file; 882 zipFile file;
883 const char* filename; 883 const char* filename;
884 const zip_fileinfo* zipfi; 884 const zip_fileinfo* zipfi;
885 const void* extrafield_local; 885 const void* extrafield_local;
886 uInt size_extrafield_local; 886 uInt size_extrafield_local;
887 const void* extrafield_global; 887 const void* extrafield_global;
888 uInt size_extrafield_global; 888 uInt size_extrafield_global;
889 const char* comment; 889 const char* comment;
890 int method; 890 int method;
891 int level; 891 int level;
892{ 892{
893 return zipOpenNewFileInZip2 (file, filename, zipfi, 893 return zipOpenNewFileInZip2 (file, filename, zipfi,
894 extrafield_local, size_extrafield_local, 894 extrafield_local, size_extrafield_local,
895 extrafield_global, size_extrafield_global, 895 extrafield_global, size_extrafield_global,
896 comment, method, level, 0); 896 comment, method, level, 0);
897} 897}
898 898
899local int zipFlushWriteBuffer(zi) 899local int zipFlushWriteBuffer(zi)
900 zip_internal* zi; 900 zip_internal* zi;
901{ 901{
902 int err=ZIP_OK; 902 int err=ZIP_OK;
903 903
904 if (zi->ci.encrypt != 0) 904 if (zi->ci.encrypt != 0)
905 { 905 {
906#ifndef NOCRYPT 906#ifndef NOCRYPT
907 uInt i; 907 uInt i;
908 int t; 908 int t;
909 for (i=0;i<zi->ci.pos_in_buffered_data;i++) 909 for (i=0;i<zi->ci.pos_in_buffered_data;i++)
910 zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab, 910 zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab,
911 zi->ci.buffered_data[i],t); 911 zi->ci.buffered_data[i],t);
912#endif 912#endif
913 } 913 }
914 if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data) 914 if (ZWRITE(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data)
915 !=zi->ci.pos_in_buffered_data) 915 !=zi->ci.pos_in_buffered_data)
916 err = ZIP_ERRNO; 916 err = ZIP_ERRNO;
917 zi->ci.pos_in_buffered_data = 0; 917 zi->ci.pos_in_buffered_data = 0;
918 return err; 918 return err;
919} 919}
920 920
921extern int ZEXPORT zipWriteInFileInZip (file, buf, len) 921extern int ZEXPORT zipWriteInFileInZip (file, buf, len)
922 zipFile file; 922 zipFile file;
923 const void* buf; 923 const void* buf;
924 unsigned len; 924 unsigned len;
925{ 925{
926 zip_internal* zi; 926 zip_internal* zi;
927 int err=ZIP_OK; 927 int err=ZIP_OK;
928 928
929 if (file == NULL) 929 if (file == NULL)
930 return ZIP_PARAMERROR; 930 return ZIP_PARAMERROR;
931 zi = (zip_internal*)file; 931 zi = (zip_internal*)file;
932 932
933 if (zi->in_opened_file_inzip == 0) 933 if (zi->in_opened_file_inzip == 0)
934 return ZIP_PARAMERROR; 934 return ZIP_PARAMERROR;
935 935
936 zi->ci.stream.next_in = (void*)buf; 936 zi->ci.stream.next_in = (void*)buf;
937 zi->ci.stream.avail_in = len; 937 zi->ci.stream.avail_in = len;
938 zi->ci.crc32 = crc32(zi->ci.crc32,buf,len); 938 zi->ci.crc32 = crc32(zi->ci.crc32,buf,len);
939 939
940 while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0)) 940 while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0))
941 { 941 {
942 if (zi->ci.stream.avail_out == 0) 942 if (zi->ci.stream.avail_out == 0)
943 { 943 {
944 if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) 944 if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
945 err = ZIP_ERRNO; 945 err = ZIP_ERRNO;
946 zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; 946 zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
947 zi->ci.stream.next_out = zi->ci.buffered_data; 947 zi->ci.stream.next_out = zi->ci.buffered_data;
948 } 948 }
949 949
950 950
951 if(err != ZIP_OK) 951 if(err != ZIP_OK)
952 break; 952 break;
953 953
954 if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) 954 if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
955 { 955 {
956 uLong uTotalOutBefore = zi->ci.stream.total_out; 956 uLong uTotalOutBefore = zi->ci.stream.total_out;
957 err=deflate(&zi->ci.stream, Z_NO_FLUSH); 957 err=deflate(&zi->ci.stream, Z_NO_FLUSH);
958 zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; 958 zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
959 959
960 } 960 }
961 else 961 else
962 { 962 {
963 uInt copy_this,i; 963 uInt copy_this,i;
964 if (zi->ci.stream.avail_in < zi->ci.stream.avail_out) 964 if (zi->ci.stream.avail_in < zi->ci.stream.avail_out)
965 copy_this = zi->ci.stream.avail_in; 965 copy_this = zi->ci.stream.avail_in;
966 else 966 else
967 copy_this = zi->ci.stream.avail_out; 967 copy_this = zi->ci.stream.avail_out;
968 for (i=0;i<copy_this;i++) 968 for (i=0;i<copy_this;i++)
969 *(((char*)zi->ci.stream.next_out)+i) = 969 *(((char*)zi->ci.stream.next_out)+i) =
970 *(((const char*)zi->ci.stream.next_in)+i); 970 *(((const char*)zi->ci.stream.next_in)+i);
971 { 971 {
972 zi->ci.stream.avail_in -= copy_this; 972 zi->ci.stream.avail_in -= copy_this;
973 zi->ci.stream.avail_out-= copy_this; 973 zi->ci.stream.avail_out-= copy_this;
974 zi->ci.stream.next_in+= copy_this; 974 zi->ci.stream.next_in+= copy_this;
975 zi->ci.stream.next_out+= copy_this; 975 zi->ci.stream.next_out+= copy_this;
976 zi->ci.stream.total_in+= copy_this; 976 zi->ci.stream.total_in+= copy_this;
977 zi->ci.stream.total_out+= copy_this; 977 zi->ci.stream.total_out+= copy_this;
978 zi->ci.pos_in_buffered_data += copy_this; 978 zi->ci.pos_in_buffered_data += copy_this;
979 } 979 }
980 } 980 }
981 } 981 }
982 982
983 return err; 983 return err;
984} 984}
985 985
986extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32) 986extern int ZEXPORT zipCloseFileInZipRaw (file, uncompressed_size, crc32)
987 zipFile file; 987 zipFile file;
988 uLong uncompressed_size; 988 uLong uncompressed_size;
989 uLong crc32; 989 uLong crc32;
990{ 990{
991 zip_internal* zi; 991 zip_internal* zi;
992 uLong compressed_size; 992 uLong compressed_size;
993 int err=ZIP_OK; 993 int err=ZIP_OK;
994 994
995 if (file == NULL) 995 if (file == NULL)
996 return ZIP_PARAMERROR; 996 return ZIP_PARAMERROR;
997 zi = (zip_internal*)file; 997 zi = (zip_internal*)file;
998 998
999 if (zi->in_opened_file_inzip == 0) 999 if (zi->in_opened_file_inzip == 0)
1000 return ZIP_PARAMERROR; 1000 return ZIP_PARAMERROR;
1001 zi->ci.stream.avail_in = 0; 1001 zi->ci.stream.avail_in = 0;
1002 1002
1003 if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) 1003 if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
1004 while (err==ZIP_OK) 1004 while (err==ZIP_OK)
1005 { 1005 {
1006 uLong uTotalOutBefore; 1006 uLong uTotalOutBefore;
1007 if (zi->ci.stream.avail_out == 0) 1007 if (zi->ci.stream.avail_out == 0)
1008 { 1008 {
1009 if (zipFlushWriteBuffer(zi) == ZIP_ERRNO) 1009 if (zipFlushWriteBuffer(zi) == ZIP_ERRNO)
1010 err = ZIP_ERRNO; 1010 err = ZIP_ERRNO;
1011 zi->ci.stream.avail_out = (uInt)Z_BUFSIZE; 1011 zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;
1012 zi->ci.stream.next_out = zi->ci.buffered_data; 1012 zi->ci.stream.next_out = zi->ci.buffered_data;
1013 } 1013 }
1014 uTotalOutBefore = zi->ci.stream.total_out; 1014 uTotalOutBefore = zi->ci.stream.total_out;
1015 err=deflate(&zi->ci.stream, Z_FINISH); 1015 err=deflate(&zi->ci.stream, Z_FINISH);
1016 zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ; 1016 zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;
1017 } 1017 }
1018 1018
1019 if (err==Z_STREAM_END) 1019 if (err==Z_STREAM_END)
1020 err=ZIP_OK; /* this is normal */ 1020 err=ZIP_OK; /* this is normal */
1021 1021
1022 if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK)) 1022 if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK))
1023 if (zipFlushWriteBuffer(zi)==ZIP_ERRNO) 1023 if (zipFlushWriteBuffer(zi)==ZIP_ERRNO)
1024 err = ZIP_ERRNO; 1024 err = ZIP_ERRNO;
1025 1025
1026 if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw)) 1026 if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))
1027 { 1027 {
1028 err=deflateEnd(&zi->ci.stream); 1028 err=deflateEnd(&zi->ci.stream);
1029 zi->ci.stream_initialised = 0; 1029 zi->ci.stream_initialised = 0;
1030 } 1030 }
1031 1031
1032 if (!zi->ci.raw) 1032 if (!zi->ci.raw)
1033 { 1033 {
1034 crc32 = (uLong)zi->ci.crc32; 1034 crc32 = (uLong)zi->ci.crc32;
1035 uncompressed_size = (uLong)zi->ci.stream.total_in; 1035 uncompressed_size = (uLong)zi->ci.stream.total_in;
1036 } 1036 }
1037 compressed_size = (uLong)zi->ci.stream.total_out; 1037 compressed_size = (uLong)zi->ci.stream.total_out;
1038 #ifndef NOCRYPT 1038# ifndef NOCRYPT
1039 compressed_size += zi->ci.crypt_header_size; 1039 compressed_size += zi->ci.crypt_header_size;
1040 #endif 1040# endif
1041 1041
1042 ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/ 1042 ziplocal_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/
1043 ziplocal_putValue_inmemory(zi->ci.central_header+20, 1043 ziplocal_putValue_inmemory(zi->ci.central_header+20,
1044 compressed_size,4); /*compr size*/ 1044 compressed_size,4); /*compr size*/
1045 if (zi->ci.stream.data_type == Z_ASCII) 1045 if (zi->ci.stream.data_type == Z_ASCII)
1046 ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2); 1046 ziplocal_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2);
1047 ziplocal_putValue_inmemory(zi->ci.central_header+24, 1047 ziplocal_putValue_inmemory(zi->ci.central_header+24,
1048 uncompressed_size,4); /*uncompr size*/ 1048 uncompressed_size,4); /*uncompr size*/
1049 1049
1050 if (err==ZIP_OK) 1050 if (err==ZIP_OK)
1051 err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header, 1051 err = add_data_in_datablock(&zi->central_dir,zi->ci.central_header,
1052 (uLong)zi->ci.size_centralheader); 1052 (uLong)zi->ci.size_centralheader);
1053 free(zi->ci.central_header); 1053 free(zi->ci.central_header);
1054 1054
1055 if (err==ZIP_OK) 1055 if (err==ZIP_OK)
1056 { 1056 {
1057 long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); 1057 long cur_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream);
1058 if (ZSEEK(zi->z_filefunc,zi->filestream, 1058 if (ZSEEK(zi->z_filefunc,zi->filestream,
1059 zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0) 1059 zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0)
1060 err = ZIP_ERRNO; 1060 err = ZIP_ERRNO;
1061 1061
1062 if (err==ZIP_OK) 1062 if (err==ZIP_OK)
1063 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */ 1063 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */
1064 1064
1065 if (err==ZIP_OK) /* compressed size, unknown */ 1065 if (err==ZIP_OK) /* compressed size, unknown */
1066 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4); 1066 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4);
1067 1067
1068 if (err==ZIP_OK) /* uncompressed size, unknown */ 1068 if (err==ZIP_OK) /* uncompressed size, unknown */
1069 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4); 1069 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4);
1070 1070
1071 if (ZSEEK(zi->z_filefunc,zi->filestream, 1071 if (ZSEEK(zi->z_filefunc,zi->filestream,
1072 cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0) 1072 cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0)
1073 err = ZIP_ERRNO; 1073 err = ZIP_ERRNO;
1074 } 1074 }
1075 1075
1076 zi->number_entry ++; 1076 zi->number_entry ++;
1077 zi->in_opened_file_inzip = 0; 1077 zi->in_opened_file_inzip = 0;
1078 1078
1079 return err; 1079 return err;
1080} 1080}
1081 1081
1082extern int ZEXPORT zipCloseFileInZip (file) 1082extern int ZEXPORT zipCloseFileInZip (file)
1083 zipFile file; 1083 zipFile file;
1084{ 1084{
1085 return zipCloseFileInZipRaw (file,0,0); 1085 return zipCloseFileInZipRaw (file,0,0);
1086} 1086}
1087 1087
1088extern int ZEXPORT zipClose (file, global_comment) 1088extern int ZEXPORT zipClose (file, global_comment)
1089 zipFile file; 1089 zipFile file;
1090 const char* global_comment; 1090 const char* global_comment;
1091{ 1091{
1092 zip_internal* zi; 1092 zip_internal* zi;
1093 int err = 0; 1093 int err = 0;
1094 uLong size_centraldir = 0; 1094 uLong size_centraldir = 0;
1095 uLong centraldir_pos_inzip ; 1095 uLong centraldir_pos_inzip ;
1096 uInt size_global_comment; 1096 uInt size_global_comment;
1097 if (file == NULL) 1097 if (file == NULL)
1098 return ZIP_PARAMERROR; 1098 return ZIP_PARAMERROR;
1099 zi = (zip_internal*)file; 1099 zi = (zip_internal*)file;
1100 1100
1101 if (zi->in_opened_file_inzip == 1) 1101 if (zi->in_opened_file_inzip == 1)
1102 { 1102 {
1103 err = zipCloseFileInZip (file); 1103 err = zipCloseFileInZip (file);
1104 } 1104 }
1105 1105
1106 if (global_comment==NULL) 1106 if (global_comment==NULL)
1107 size_global_comment = 0; 1107 size_global_comment = 0;
1108 else 1108 else
1109 size_global_comment = strlen(global_comment); 1109 size_global_comment = strlen(global_comment);
1110 1110
1111 1111
1112 centraldir_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream); 1112 centraldir_pos_inzip = ZTELL(zi->z_filefunc,zi->filestream);
1113 if (err==ZIP_OK) 1113 if (err==ZIP_OK)
1114 { 1114 {
1115 linkedlist_datablock_internal* ldi = zi->central_dir.first_block ; 1115 linkedlist_datablock_internal* ldi = zi->central_dir.first_block ;
1116 while (ldi!=NULL) 1116 while (ldi!=NULL)
1117 { 1117 {
1118 if ((err==ZIP_OK) && (ldi->filled_in_this_block>0)) 1118 if ((err==ZIP_OK) && (ldi->filled_in_this_block>0))
1119 if (ZWRITE(zi->z_filefunc,zi->filestream, 1119 if (ZWRITE(zi->z_filefunc,zi->filestream,
1120 ldi->data,ldi->filled_in_this_block) 1120 ldi->data,ldi->filled_in_this_block)
1121 !=ldi->filled_in_this_block ) 1121 !=ldi->filled_in_this_block )
1122 err = ZIP_ERRNO; 1122 err = ZIP_ERRNO;
1123 1123
1124 size_centraldir += ldi->filled_in_this_block; 1124 size_centraldir += ldi->filled_in_this_block;
1125 ldi = ldi->next_datablock; 1125 ldi = ldi->next_datablock;
1126 } 1126 }
1127 } 1127 }
1128 free_datablock(zi->central_dir.first_block); 1128 free_datablock(zi->central_dir.first_block);
1129 1129
1130 if (err==ZIP_OK) /* Magic End */ 1130 if (err==ZIP_OK) /* Magic End */
1131 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4); 1131 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4);
1132 1132
1133 if (err==ZIP_OK) /* number of this disk */ 1133 if (err==ZIP_OK) /* number of this disk */
1134 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); 1134 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2);
1135 1135
1136 if (err==ZIP_OK) /* number of the disk with the start of the central directory */ 1136 if (err==ZIP_OK) /* number of the disk with the start of the central directory */
1137 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2); 1137 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2);
1138 1138
1139 if (err==ZIP_OK) /* total number of entries in the central dir on this disk */ 1139 if (err==ZIP_OK) /* total number of entries in the central dir on this disk */
1140 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); 1140 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2);
1141 1141
1142 if (err==ZIP_OK) /* total number of entries in the central dir */ 1142 if (err==ZIP_OK) /* total number of entries in the central dir */
1143 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2); 1143 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2);
1144 1144
1145 if (err==ZIP_OK) /* size of the central directory */ 1145 if (err==ZIP_OK) /* size of the central directory */
1146 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4); 1146 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4);
1147 1147
1148 if (err==ZIP_OK) /* offset of start of central directory with respect to the 1148 if (err==ZIP_OK) /* offset of start of central directory with respect to the
1149 starting disk number */ 1149 starting disk number */
1150 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream, 1150 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,
1151 (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4); 1151 (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4);
1152 1152
1153 if (err==ZIP_OK) /* zipfile comment length */ 1153 if (err==ZIP_OK) /* zipfile comment length */
1154 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2); 1154 err = ziplocal_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2);
1155 1155
1156 if ((err==ZIP_OK) && (size_global_comment>0)) 1156 if ((err==ZIP_OK) && (size_global_comment>0))
1157 if (ZWRITE(zi->z_filefunc,zi->filestream, 1157 if (ZWRITE(zi->z_filefunc,zi->filestream,
1158 global_comment,size_global_comment) != size_global_comment) 1158 global_comment,size_global_comment) != size_global_comment)
1159 err = ZIP_ERRNO; 1159 err = ZIP_ERRNO;
1160 1160
1161 if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0) 1161 if (ZCLOSE(zi->z_filefunc,zi->filestream) != 0)
1162 if (err == ZIP_OK) 1162 if (err == ZIP_OK)
1163 err = ZIP_ERRNO; 1163 err = ZIP_ERRNO;
1164 1164
1165 TRYFREE(zi); 1165 TRYFREE(zi);
1166 1166
1167 return err; 1167 return err;
1168} 1168}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-17 01:55:57 +0000