| 0,0 → 1,69 |
|---|
| /* |
| * simple unzip tool that unzips the content of a zip archive to current directory |
| * returns 0 on success |
| * |
| * this file is part of pkg (SvarDOS) |
| * copyright (C) 2021-2022 Mateusz Viste |
| */ |
| |
| #include <stdio.h> |
| |
| #include "fileexst.h" |
| #include "helpers.h" |
| #include "kprintf.h" |
| #include "libunzip.h" |
| #include "svarlang.lib\svarlang.h" |
| |
| #include "unzip.h" |
| |
| |
| int unzip(const char *zipfile) { |
| struct ziplist *zlist, *znode; |
| FILE *fd; |
| int r = 0; |
| |
| fd = fopen(zipfile, "rb"); |
| if (fd == NULL) { |
| puts(svarlang_str(10, 1)); /* "ERROR: Failed to open the archive file" */ |
| return(1); |
| } |
| |
| zlist = zip_listfiles(fd); |
| if (zlist == NULL) { |
| puts(svarlang_str(10, 2)); /* "ERROR: Invalid ZIP archive" */ |
| fclose(fd); |
| return(-1); |
| } |
| |
| /* examine the list of zipped files - make sure that no file currently |
| * exists and that files are neither encrypted nor compressed with an |
| * unsupported method */ |
| for (znode = zlist; znode != NULL; znode = znode->nextfile) { |
| int zres; |
| /* convert slash to backslash, print filename and create the directories path */ |
| slash2backslash(znode->filename); |
| printf("%s ", znode->filename); |
| mkpath(znode->filename); |
| /* if a dir, we good already */ |
| if (znode->flags == ZIP_FLAG_ISADIR) goto OK; |
| /* file already exists? */ |
| if (fileexists(znode->filename) != 0) { |
| puts(svarlang_str(10, 3)); /* "ERROR: File already exists" */ |
| r = 1; |
| continue; |
| } |
| /* uncompress */ |
| zres = zip_unzip(fd, znode, znode->filename); |
| if (zres != 0) { |
| kitten_printf(10, 4, "ERROR: unzip failure (%d)", zres); |
| puts(""); |
| continue; |
| } |
| OK: |
| puts(svarlang_str(10, 0)); /* "OK" */ |
| } |
| |
| zip_freelist(&zlist); |
| fclose(fd); |
| return(r); |
| } |