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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 zzip api usage.
*/
#include <zzip/zzip.h>
#include <stdio.h>
#include <string.h>
#ifdef ZZIP_HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef ZZIP_HAVE_IO_H
#include <io.h>
#endif
#ifndef O_BINARY
#define O_BINARY 0
#endif
static const char usage[] =
{
"unzzip <dir>.. \n"
" - unzzip the files contained in a zip archive.\n"
};
int
main (int argc, char ** argv)
{
int argn;
int exitcode = 0;
zzip_error_t error;
if (argc <= 1 || ! strcmp (argv[1], "--help"))
{
printf (usage);
return 0;
}
if (! strcmp (argv[1], "--version"))
{
printf (__FILE__" version "ZZIP_PACKAGE" "ZZIP_VERSION"\n");
return 0;
}
for (argn=1; argn < argc; argn++)
{
ZZIP_DIR * dir;
ZZIP_DIRENT d;
dir = zzip_dir_open(argv[argn], &error);
if (! dir)
{
fprintf (stderr, "did not open %s: \n", argv[argn]);
fprintf (stderr, "%s: %s\n", argv[argn], zzip_strerror(error));
exitcode++;
continue;
}
if (argc > 2) printf ("%s: \n", argv[argn]);
/* read each dir entry and show one line of info per file */
while (zzip_dir_read (dir, &d))
{
int output;
ZZIP_FILE* input = zzip_file_open (dir, d.d_name, O_RDONLY);
if (! input)
{
fprintf (stderr, "|did not open %s: \n", d.d_name);
fprintf (stderr, "|%s: %s\n", d.d_name, zzip_strerror_of(dir));
continue;
}
#ifdef _WIN32
output = _open (d.d_name, _O_CREAT | _O_BINARY | _O_RDWR);
#else
output = creat (d.d_name, 0664);
#endif
if (output == -1)
{
fprintf (stderr, "|output file %s: \n", d.d_name);
perror(d.d_name);
zzip_file_close (input);
continue;
}
printf("%s\n", d.d_name);
{
char buf[17]; zzip_ssize_t n;
/* read chunks of 16 bytes into buf */
while (0 < (n = zzip_read (input, buf, 16)))
{
write (output, buf, n);
}
if (n == -1)
perror (d.d_name);
}
close (output);
zzip_file_close (input);
}
zzip_dir_close(dir);
}
return exitcode;
}
/*
* Local variables:
* c-file-style: "stroustrup"
* End:
*/
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