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/*
* Copyright (c) 2003 Guido Draheim <guidod@gmx.de>
* Use freely under the restrictions of the ZLIB license.
*
* This file is used as an example to clarify zzipfseeko api usage.
*/
#include <zzip/fseeko.h>
#include <stdlib.h>
#include <string.h>
#include <zzip/__fnmatch.h>
static const char usage[] = /* .. */
{"unzzipshow <zip> [names].. \n"
" - unzzip data content of files contained in a zip archive.\n"};
static void
zzip_entry_fprint(ZZIP_ENTRY* entry, FILE* out)
{
ZZIP_ENTRY_FILE* file = zzip_entry_fopen(entry, 0);
if (file) {
char buffer[1024];
int len;
while (0 < (len = zzip_entry_fread(buffer, 1024, 1, file)))
fwrite(buffer, len, 1, out);
zzip_entry_fclose(file);
}
}
static void
zzip_cat_file(FILE* disk, char* name, FILE* out)
{
ZZIP_ENTRY_FILE* file = zzip_entry_ffile(disk, name);
if (file) {
char buffer[1024];
int len;
while (0 < (len = zzip_entry_fread(buffer, 1024, 1, file)))
fwrite(buffer, len, 1, out);
zzip_entry_fclose(file);
}
}
#define BASENAME(x) (strchr((x), '/') ? strrchr((x), '/') + 1 : (x))
static int
unzzip_version()
{
printf("%s version %s %s\n", BASENAME(__FILE__), ZZIP_PACKAGE_NAME, ZZIP_PACKAGE_VERSION);
return 0;
}
static int
unzzip_help()
{
printf(usage);
return 0;
}
int
main(int argc, char** argv)
{
int argn;
FILE* disk;
if (argc <= 1 || ! strcmp(argv[1], "--help")) {
return unzzip_help();
}
if (! strcmp(argv[1], "--version")) {
return unzzip_version();
}
disk = fopen(argv[1], "r");
if (! disk) {
perror(argv[1]);
return -1;
}
if (argc == 2) { /* print directory list */
ZZIP_ENTRY* entry = zzip_entry_findfirst(disk);
if (! entry)
puts("no first entry!\n");
for (; entry; entry = zzip_entry_findnext(entry)) {
char* name = zzip_entry_strdup_name(entry);
if (name) {
printf("%s\n", name);
free(name);
}
}
return 0;
}
if (argc == 3) { /* list from one spec */
ZZIP_ENTRY* entry = 0;
while ((entry = zzip_entry_findmatch(disk, argv[2], entry, 0, 0)))
zzip_entry_fprint(entry, stdout);
return 0;
}
for (argn = 1; argn < argc;
argn++) { /* list only the matching entries - each in order of commandline */
ZZIP_ENTRY* entry = zzip_entry_findfirst(disk);
for (; entry; entry = zzip_entry_findnext(entry)) {
char* name = zzip_entry_strdup_name(entry);
if (name) {
if (! _zzip_fnmatch(argv[argn], name,
_zzip_FNM_NOESCAPE | _zzip_FNM_PATHNAME | _zzip_FNM_PERIOD))
zzip_cat_file(disk, name, stdout);
free(name);
}
}
}
return 0;
}
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