151 lines
3.7 KiB
C
151 lines
3.7 KiB
C
/*
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* Copyright (c) 2003 Guido Draheim <guidod@gmx.de>
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* Use freely under the restrictions of the ZLIB license.
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*
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* This file is used as an example to clarify zzip api usage.
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*/
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#include <zzip/lib.h>
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#include "__debug.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "unzzipdir-zip.h"
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#include "unzzip-states.h"
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#ifdef ZZIP_HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef ZZIP_HAVE_IO_H
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#include <io.h>
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#endif
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#ifdef ZZIP_HAVE_FNMATCH_H
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#include <fnmatch.h>
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#else
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#define fnmatch(x,y,z) strcmp(x,y)
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#endif
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static const char* comprlevel[] = {
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"stored", "shrunk", "redu:1", "redu:2", "redu:3", "redu:4",
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"impl:N", "toknze", "defl:N", "defl:B", "impl:B" };
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static int exitcode(int e)
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{
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switch (e)
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{
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case ZZIP_NO_ERROR:
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return EXIT_OK;
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case ZZIP_OUTOFMEM: /* out of memory */
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return EXIT_ENOMEM;
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case ZZIP_DIR_OPEN: /* failed to open zipfile, see errno for details */
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return EXIT_ZIP_NOT_FOUND;
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case ZZIP_DIR_STAT: /* failed to fstat zipfile, see errno for details */
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case ZZIP_DIR_SEEK: /* failed to lseek zipfile, see errno for details */
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case ZZIP_DIR_READ: /* failed to read zipfile, see errno for details */
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case ZZIP_DIR_TOO_SHORT:
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case ZZIP_DIR_EDH_MISSING:
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return EXIT_FILEFORMAT;
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case ZZIP_DIRSIZE:
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return EXIT_EARLY_END_OF_FILE;
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case ZZIP_ENOENT:
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return EXIT_FILE_NOT_FOUND;
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case ZZIP_UNSUPP_COMPR:
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return EXIT_UNSUPPORTED_COMPRESSION;
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case ZZIP_CORRUPTED:
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case ZZIP_UNDEF:
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case ZZIP_DIR_LARGEFILE:
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return EXIT_FILEFORMAT;
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}
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return EXIT_ERRORS;
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}
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static int
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unzzip_list (int argc, char ** argv, int verbose)
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{
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int argn;
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ZZIP_DIR* disk;
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if (argc == 1)
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{
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printf (__FILE__" version "ZZIP_PACKAGE" "ZZIP_VERSION"\n");
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return EXIT_OK; /* better provide an archive argument */
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}
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disk = zzip_opendir (argv[1]);
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if (! disk) {
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DBG3("opendir failed [%i] %s", errno, strerror(errno));
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perror(argv[1]);
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return exitcode(errno);
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}
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if (argc == 2)
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{ /* list all */
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ZZIP_DIRENT* entry = 0;
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while((entry = zzip_readdir(disk)))
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{
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char* name = entry->d_name;
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long long usize = entry->st_size;
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if (!verbose)
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{
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printf ("%22lli %s\n", usize, name);
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} else
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{
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long long csize = entry->d_csize;
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unsigned compr = entry->d_compr;
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const char* defl = (compr < sizeof(comprlevel)) ? comprlevel[compr] : "(redu)";
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printf ("%lli/%lli %s %s\n", usize, csize, defl, name);
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}
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}
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DBG2("readdir done %s", strerror(errno));
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}
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else
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{ /* list only the matching entries - in order of zip directory */
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ZZIP_DIRENT* entry = 0;
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while((entry = zzip_readdir(disk)))
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{
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char* name = entry->d_name;
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for (argn=1; argn < argc; argn++)
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{
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if (! fnmatch (argv[argn], name,
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FNM_NOESCAPE|FNM_PATHNAME|FNM_PERIOD))
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{
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long long usize = entry->st_size;
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if (!verbose)
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{
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printf ("%22lli %s\n", usize, name);
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} else
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{
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long long csize = entry->d_csize;
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unsigned compr = entry->d_compr;
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const char* defl = (compr < sizeof(comprlevel)) ? comprlevel[compr] : "(redu)";
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printf ("%lli/%lli %s %s\n", usize, csize, defl, name);
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}
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break; /* match loop */
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}
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}
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}
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DBG2("readdir done %s", strerror(errno));
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}
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zzip_closedir(disk);
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return 0;
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}
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int
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unzzip_long_list (int argc, char ** argv)
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{
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return unzzip_list(argc, argv, 1);
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}
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int
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unzzip_show_list (int argc, char ** argv)
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{
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return unzzip_list(argc, argv, 0);
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}
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/*
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* Local variables:
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* c-file-style: "stroustrup"
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* End:
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*/
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