1 #include <zipfile/zipfile.h>
2 #include <string.h>
3 #include <stdio.h>
4 #include <stdlib.h>
5
6 void dump_zipfile(FILE* to, zipfile_t file);
7
8 int
main(int argc,char ** argv)9 main(int argc, char** argv)
10 {
11 FILE* f;
12 size_t size, unsize;
13 void* buf;
14 void* scratch;
15 zipfile_t zip;
16 zipentry_t entry;
17 int err;
18 enum { HUH, LIST, UNZIP } what = HUH;
19
20 if (strcmp(argv[2], "-l") == 0 && argc == 3) {
21 what = LIST;
22 }
23 else if (strcmp(argv[2], "-u") == 0 && argc == 5) {
24 what = UNZIP;
25 }
26 else {
27 fprintf(stderr, "usage: test_zipfile ZIPFILE -l\n"
28 " lists the files in the zipfile\n"
29 " test_zipfile ZIPFILE -u FILENAME SAVETO\n"
30 " saves FILENAME from the zip file into SAVETO\n");
31 return 1;
32 }
33
34 f = fopen(argv[1], "r");
35 if (f == NULL) {
36 fprintf(stderr, "couldn't open %s\n", argv[1]);
37 return 1;
38 }
39
40 fseek(f, 0, SEEK_END);
41 size = ftell(f);
42 rewind(f);
43
44 buf = malloc(size);
45 fread(buf, 1, size, f);
46
47 zip = init_zipfile(buf, size);
48 if (zip == NULL) {
49 fprintf(stderr, "inti_zipfile failed\n");
50 return 1;
51 }
52
53 fclose(f);
54
55
56 switch (what)
57 {
58 case HUH:
59 break;
60 case LIST:
61 dump_zipfile(stdout, zip);
62 break;
63 case UNZIP:
64 entry = lookup_zipentry(zip, argv[3]);
65 if (entry == NULL) {
66 fprintf(stderr, "zip file '%s' does not contain file '%s'\n",
67 argv[1], argv[1]);
68 return 1;
69 }
70 f = fopen(argv[4], "w");
71 if (f == NULL) {
72 fprintf(stderr, "can't open file for writing '%s'\n", argv[4]);
73 return 1;
74 }
75 unsize = get_zipentry_size(entry);
76 size = unsize * 1.001;
77 scratch = malloc(size);
78 printf("scratch=%p\n", scratch);
79 err = decompress_zipentry(entry, scratch, size);
80 if (err != 0) {
81 fprintf(stderr, "error decompressing file\n");
82 return 1;
83 }
84 fwrite(scratch, unsize, 1, f);
85 free(scratch);
86 fclose(f);
87 break;
88 }
89
90 free(buf);
91
92 return 0;
93 }
94
95