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#include <zipfile/zipfile.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
void dump_zipfile(FILE* to, zipfile_t file);
int
main(int argc, char** argv)
{
FILE* f;
size_t size, unsize;
void* buf;
void* scratch;
zipfile_t zip;
zipentry_t entry;
int err;
enum { HUH, LIST, UNZIP } what = HUH;
if (strcmp(argv[2], "-l") == 0 && argc == 3) {
what = LIST;
}
else if (strcmp(argv[2], "-u") == 0 && argc == 5) {
what = UNZIP;
}
else {
fprintf(stderr, "usage: test_zipfile ZIPFILE -l\n"
" lists the files in the zipfile\n"
" test_zipfile ZIPFILE -u FILENAME SAVETO\n"
" saves FILENAME from the zip file into SAVETO\n");
return 1;
}
f = fopen(argv[1], "r");
if (f == NULL) {
fprintf(stderr, "couldn't open %s\n", argv[1]);
return 1;
}
fseek(f, 0, SEEK_END);
size = ftell(f);
rewind(f);
buf = malloc(size);
fread(buf, 1, size, f);
zip = init_zipfile(buf, size);
if (zip == NULL) {
fprintf(stderr, "inti_zipfile failed\n");
return 1;
}
fclose(f);
switch (what)
{
case HUH:
break;
case LIST:
dump_zipfile(stdout, zip);
break;
case UNZIP:
entry = lookup_zipentry(zip, argv[3]);
if (entry == NULL) {
fprintf(stderr, "zip file '%s' does not contain file '%s'\n",
argv[1], argv[1]);
return 1;
}
f = fopen(argv[4], "w");
if (f == NULL) {
fprintf(stderr, "can't open file for writing '%s'\n", argv[4]);
return 1;
}
unsize = get_zipentry_size(entry);
size = unsize * 1.001;
scratch = malloc(size);
printf("scratch=%p\n", scratch);
err = decompress_zipentry(entry, scratch, size);
if (err != 0) {
fprintf(stderr, "error decompressing file\n");
return 1;
}
fwrite(scratch, unsize, 1, f);
free(scratch);
fclose(f);
break;
}
free(buf);
return 0;
}
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