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/* PSPP - a program for statistical analysis.
Copyright (C) 2011 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* A simple program to zip or unzip a file */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <stdio.h>
#include "libpspp/assertion.h"
#include <libpspp/compiler.h>
#include <libpspp/zip-writer.h>
#include <libpspp/zip-reader.h>
#include <libpspp/str.h>
#include <errno.h>
/* Exit with a failure code.
(Place a breakpoint on this function while debugging.) */
static void
check_die (void)
{
exit (EXIT_FAILURE);
}
int
main (int argc, char **argv)
{
if (argc < 4)
{
fprintf (stderr, "Usage zip-test: {r|w} archive file0 file1 ... filen\n");
check_die ();
}
if (0 == strcmp ("w", argv[1]))
{
int i;
struct zip_writer *zw = zip_writer_create (argv[2]);
for (i = 3; i < argc; ++i)
{
FILE *fp = fopen (argv[i], "rb");
if (!fp) check_die ();
zip_writer_add (zw, fp, argv[i]);
}
zip_writer_close (zw);
}
else if (0 == strcmp ("r", argv[1]))
{
const int BUFSIZE=256;
char buf[BUFSIZE];
int i;
struct zip_reader *zr;
char *error = zip_reader_create (argv[2], &zr);
if (error)
{
fprintf (stderr, "Could not create zip reader: %s\n", error);
check_die ();
}
for (i = 3; i < argc; ++i)
{
int x = 0;
FILE *fp = fopen (argv[i], "wb");
if (NULL == fp)
{
int e = errno;
fprintf (stderr, "Could not create file %s: %s\n", argv[i], strerror(e));
check_die ();
}
struct zip_member *zm ;
char *error = zip_member_open (zr, argv[i], &zm);
if (error)
{
fprintf (stderr, "Could not open zip member %s from archive: %s\n",
argv[i], error);
check_die ();
}
while ((x = zip_member_read (zm, buf, BUFSIZE)) > 0)
{
fwrite (buf, x, 1, fp);
}
error = zip_member_steal_error (zm);
zip_member_finish (zm);
fclose (fp);
assert ((error != NULL) == (x < 0));
if (x < 0)
{
fprintf (stderr, "Unzip failed: %s\n", error);
check_die ();
}
}
zip_reader_unref (zr);
}
else
exit (1);
return 0;
}
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