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/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include <config.h>
#include <stdio.h>
#include <unistd.h>
#include <locale.h>
#include <errno.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
static char *etag = NULL;
static gboolean backup = FALSE;
static gboolean create = FALSE;
static gboolean append = FALSE;
static gboolean priv = FALSE;
static gboolean print_etag = FALSE;
static GOptionEntry entries[] =
{
{ "backup", 'b', 0, G_OPTION_ARG_NONE, &backup, N_("Backup existing destination files"), NULL },
{ "create", 'c', 0, G_OPTION_ARG_NONE, &create, N_("Only create if not existing"), NULL },
{ "append", 'a', 0, G_OPTION_ARG_NONE, &append, N_("Append to end of file"), NULL },
{ "private", 'p', 0, G_OPTION_ARG_NONE, &priv, N_("When creating, restrict access to the current user"), NULL },
/* Translators: The "etag" is a token allowing to verify whether a file has been modified */
{ "print-etag", 'v', 0, G_OPTION_ARG_NONE, &print_etag, N_("Print new etag at end"), NULL },
/* Translators: The "etag" is a token allowing to verify whether a file has been modified */
{ "etag", 'e', 0, G_OPTION_ARG_STRING, &etag, N_("The etag of the file being overwritten"), N_("ETAG") },
{ NULL }
};
static gboolean
save (GFile *file)
{
GOutputStream *out;
GFileCreateFlags flags;
char buffer[1025];
char *p;
gssize res;
gboolean close_res;
GError *error;
gboolean save_res;
error = NULL;
flags = priv ? G_FILE_CREATE_PRIVATE : G_FILE_CREATE_NONE;
if (create)
out = (GOutputStream *)g_file_create (file, flags, NULL, &error);
else if (append)
out = (GOutputStream *)g_file_append_to (file, flags, NULL, &error);
else
out = (GOutputStream *)g_file_replace (file, etag, backup, flags, NULL, &error);
if (out == NULL)
{
g_printerr (_("Error opening file: %s\n"), error->message);
g_error_free (error);
return FALSE;
}
save_res = TRUE;
while (1)
{
res = read (STDIN_FILENO, buffer, 1024);
if (res > 0)
{
ssize_t written;
p = buffer;
while (res > 0)
{
error = NULL;
written = g_output_stream_write (out, p, res, NULL, &error);
if (written == -1)
{
save_res = FALSE;
g_printerr ("Error writing to stream: %s", error->message);
g_error_free (error);
goto out;
}
res -= written;
p += written;
}
}
else if (res < 0)
{
save_res = FALSE;
perror (_("Error reading stdin"));
break;
}
else if (res == 0)
break;
}
out:
close_res = g_output_stream_close (out, NULL, &error);
if (!close_res)
{
save_res = FALSE;
g_printerr (_("Error closing: %s\n"), error->message);
g_error_free (error);
}
if (close_res && print_etag)
{
char *etag;
etag = g_file_output_stream_get_etag (G_FILE_OUTPUT_STREAM (out));
if (etag)
g_print ("Etag: %s\n", etag);
else
/* Translators: The "etag" is a token allowing to verify whether a file has been modified */
g_print (_("Etag not available\n"));
g_free (etag);
}
g_object_unref (out);
return save_res;
}
int
main (int argc, char *argv[])
{
GError *error;
GOptionContext *context;
GFile *file;
gboolean res;
gchar *param;
gchar *summary;
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, GVFS_LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
error = NULL;
param = _("DEST");
summary = _("Read from standard input and save to DEST.");
context = g_option_context_new (param);
g_option_context_set_summary (context, summary);
g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
g_option_context_parse (context, &argc, &argv, &error);
g_option_context_free (context);
if (error != NULL)
{
g_printerr (_("Error parsing commandline options: %s\n"), error->message);
g_printerr ("\n");
g_printerr (_("Try \"%s --help\" for more information."), g_get_prgname ());
g_printerr ("\n");
g_error_free (error);
return 1;
}
res = FALSE;
if (argc > 1)
{
file = g_file_new_for_commandline_arg (argv[1]);
res = save (file);
g_object_unref (file);
}
if (res)
return 0;
return 1;
}
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