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-rw-r--r--contrib/minizip/minizip.c302
1 files changed, 302 insertions, 0 deletions
diff --git a/contrib/minizip/minizip.c b/contrib/minizip/minizip.c
new file mode 100644
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--- /dev/null
+++ b/contrib/minizip/minizip.c
@@ -0,0 +1,302 @@
1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <time.h>
5#include <errno.h>
6#include <fcntl.h>
7
8#ifdef unix
9# include <unistd.h>
10# include <utime.h>
11# include <sys/types.h>
12# include <sys/stat.h>
13#else
14# include <direct.h>
15# include <io.h>
16#endif
17
18#include "zip.h"
19
20
21#define WRITEBUFFERSIZE (16384)
22#define MAXFILENAME (256)
23
24#ifdef WIN32
25uLong filetime(f, tmzip, dt)
26 char *f; /* name of file to get info on */
27 tm_zip *tmzip; /* return value: access, modific. and creation times */
28 uLong *dt; /* dostime */
29{
30 int ret = 0;
31 {
32 FILETIME ftLocal;
33 HANDLE hFind;
34 WIN32_FIND_DATA ff32;
35
36 hFind = FindFirstFile(f,&ff32);
37 if (hFind != INVALID_HANDLE_VALUE)
38 {
39 FileTimeToLocalFileTime(&(ff32.ftLastWriteTime),&ftLocal);
40 FileTimeToDosDateTime(&ftLocal,((LPWORD)dt)+1,((LPWORD)dt)+0);
41 FindClose(hFind);
42 ret = 1;
43 }
44 }
45 return ret;
46}
47#else
48#ifdef unix
49uLong filetime(f, tmzip, dt)
50 char *f; /* name of file to get info on */
51 tm_zip *tmzip; /* return value: access, modific. and creation times */
52 uLong *dt; /* dostime */
53{
54 int ret=0;
55 struct stat s; /* results of stat() */
56 struct tm* filedate;
57 time_t tm_t=0;
58
59 if (strcmp(f,"-")!=0)
60 {
61 char name[MAXFILENAME];
62 int len = strlen(f);
63 strcpy(name, f);
64 if (name[len - 1] == '/')
65 name[len - 1] = '\0';
66 /* not all systems allow stat'ing a file with / appended */
67 if (stat(name,&s)==0)
68 {
69 tm_t = s.st_mtime;
70 ret = 1;
71 }
72 }
73 filedate = localtime(&tm_t);
74
75 tmzip->tm_sec = filedate->tm_sec;
76 tmzip->tm_min = filedate->tm_min;
77 tmzip->tm_hour = filedate->tm_hour;
78 tmzip->tm_mday = filedate->tm_mday;
79 tmzip->tm_mon = filedate->tm_mon ;
80 tmzip->tm_year = filedate->tm_year;
81
82 return ret;
83}
84#else
85uLong filetime(f, tmzip, dt)
86 char *f; /* name of file to get info on */
87 tm_zip *tmzip; /* return value: access, modific. and creation times */
88 uLong *dt; /* dostime */
89{
90 return 0;
91}
92#endif
93#endif
94
95
96
97
98int check_exist_file(filename)
99 const char* filename;
100{
101 FILE* ftestexist;
102 int ret = 1;
103 ftestexist = fopen(filename,"rb");
104 if (ftestexist==NULL)
105 ret = 0;
106 else
107 fclose(ftestexist);
108 return ret;
109}
110
111void do_banner()
112{
113 printf("MiniZip 0.15, demo of zLib + Zip package written by Gilles Vollant\n");
114 printf("more info at http://wwww.winimage/zLibDll/unzip.htm\n\n");
115}
116
117void do_help()
118{
119 printf("Usage : minizip [-o] file.zip [files_to_add]\n\n") ;
120}
121
122int main(argc,argv)
123 int argc;
124 char *argv[];
125{
126 int i;
127 int opt_overwrite=0;
128 int opt_compress_level=Z_DEFAULT_COMPRESSION;
129 int zipfilenamearg = 0;
130 char filename_try[MAXFILENAME];
131 int zipok;
132 int err=0;
133 int size_buf=0;
134 void* buf=NULL,
135
136
137 do_banner();
138 if (argc==1)
139 {
140 do_help();
141 exit(0);
142 return 0;
143 }
144 else
145 {
146 for (i=1;i<argc;i++)
147 {
148 if ((*argv[i])=='-')
149 {
150 const char *p=argv[i]+1;
151
152 while ((*p)!='\0')
153 {
154 char c=*(p++);;
155 if ((c=='o') || (c=='O'))
156 opt_overwrite = 1;
157 if ((c>='0') && (c<='9'))
158 opt_compress_level = c-'0';
159 }
160 }
161 else
162 if (zipfilenamearg == 0)
163 zipfilenamearg = i ;
164 }
165 }
166
167 size_buf = WRITEBUFFERSIZE;
168 buf = (void*)malloc(size_buf);
169 if (buf==NULL)
170 {
171 printf("Error allocating memory\n");
172 return ZIP_INTERNALERROR;
173 }
174
175 if (zipfilenamearg==0)
176 zipok=0;
177 else
178 {
179 int i,len;
180 int dot_found=0;
181
182 zipok = 1 ;
183 strcpy(filename_try,argv[zipfilenamearg]);
184 len=strlen(filename_try);
185 for (i=0;i<len;i++)
186 if (filename_try[i]=='.')
187 dot_found=1;
188
189 if (dot_found==0)
190 strcat(filename_try,".zip");
191
192 if (opt_overwrite==0)
193 if (check_exist_file(filename_try)!=0)
194 {
195 char rep;
196 do
197 {
198 char answer[128];
199 printf("The file %s exist. Overwrite ? [y]es, [n]o : ",filename_try);
200 scanf("%1s",answer);
201 rep = answer[0] ;
202 if ((rep>='a') && (rep<='z'))
203 rep -= 0x20;
204 }
205 while ((rep!='Y') && (rep!='N'));
206 if (rep=='N')
207 zipok = 0;
208 }
209 }
210
211 if (zipok==1)
212 {
213 zipFile zf;
214 int errclose;
215 zf = zipOpen(filename_try,0);
216 if (zf == NULL)
217 {
218 printf("error opening %s\n",filename_try);
219 err= ZIP_ERRNO;
220 }
221 else
222 printf("creating %s\n",filename_try);
223
224 for (i=zipfilenamearg+1;(i<argc) && (err==ZIP_OK);i++)
225 {
226 if (((*(argv[i]))!='-') && ((*(argv[i]))!='/'))
227 {
228 FILE * fin;
229 int size_read;
230 const char* filenameinzip = argv[i];
231 zip_fileinfo zi;
232
233 zi.tmz_date.tm_sec = zi.tmz_date.tm_min = zi.tmz_date.tm_hour =
234 zi.tmz_date.tm_mday = zi.tmz_date.tm_min = zi.tmz_date.tm_year = 0;
235 zi.dosDate = 0;
236 zi.internal_fa = 0;
237 zi.external_fa = 0;
238 filetime(filenameinzip,&zi.tmz_date,&zi.dosDate);
239
240
241 err = zipOpenNewFileInZip(zf,filenameinzip,&zi,
242 NULL,0,NULL,0,NULL /* comment*/,
243 (opt_compress_level != 0) ? Z_DEFLATED : 0,
244 opt_compress_level);
245
246 if (err != ZIP_OK)
247 printf("error in opening %s in zipfile\n",filenameinzip);
248 else
249 {
250 fin = fopen(filenameinzip,"rb");
251 if (fin==NULL)
252 {
253 err=ZIP_ERRNO;
254 printf("error in opening %s for reading\n",filenameinzip);
255 }
256 }
257
258 if (err == ZIP_OK)
259 do
260 {
261 err = ZIP_OK;
262 size_read = fread(buf,1,size_buf,fin);
263 if (size_read < size_buf)
264 if (feof(fin)==0)
265 {
266 printf("error in reading %s\n",filenameinzip);
267 err = ZIP_ERRNO;
268 }
269
270 if (size_read>0)
271 {
272 err = zipWriteInFileInZip (zf,buf,size_read);
273 if (err<0)
274 {
275 printf("error in writing %s in the zipfile\n",
276 filenameinzip);
277 }
278
279 }
280 } while ((err == ZIP_OK) && (size_read>0));
281
282 fclose(fin);
283 if (err<0)
284 err=ZIP_ERRNO;
285 else
286 {
287 err = zipCloseFileInZip(zf);
288 if (err!=ZIP_OK)
289 printf("error in closing %s in the zipfile\n",
290 filenameinzip);
291 }
292 }
293 }
294 errclose = zipClose(zf,NULL);
295 if (errclose != ZIP_OK)
296 printf("error in closing %s\n",filename_try);
297 }
298
299 free(buf);
300 exit(0);
301 return 0; /* to avoid warning */
302}
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