1 #include <zipfile/zipfile.h> 2 3 #include <stdio.h> 4 #include <stdlib.h> 5 6 void dump_zipfile(FILE* to, zipfile_t file); 7 8 int 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 LIST: 59 dump_zipfile(stdout, zip); 60 break; 61 case UNZIP: 62 entry = lookup_zipentry(zip, argv[3]); 63 if (entry == NULL) { 64 fprintf(stderr, "zip file '%s' does not contain file '%s'\n", 65 argv[1], argv[1]); 66 return 1; 67 } 68 f = fopen(argv[4], "w"); 69 if (f == NULL) { 70 fprintf(stderr, "can't open file for writing '%s'\n", argv[4]); 71 return 1; 72 } 73 unsize = get_zipentry_size(entry); 74 size = unsize * 1.001; 75 scratch = malloc(size); 76 printf("scratch=%p\n", scratch); 77 err = decompress_zipentry(entry, scratch, size); 78 if (err != 0) { 79 fprintf(stderr, "error decompressing file\n"); 80 return 1; 81 } 82 fwrite(scratch, unsize, 1, f); 83 free(scratch); 84 fclose(f); 85 break; 86 } 87 88 free(buf); 89 90 return 0; 91 } 92 93
