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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 gchar **locations = NULL;
static GOptionEntry entries[] = {
{ G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &locations, NULL, NULL },
{ NULL }
};
static gboolean
cat (GFile * file)
{
GInputStream *in;
char buffer[1024 * 8 + 1];
char *p;
gssize res;
gboolean close_res;
GError *error;
gboolean success;
error = NULL;
in = (GInputStream *) g_file_read (file, NULL, &error);
if (in == NULL)
{
/* Translators: the first %s is the program name, the second one */
/* is the URI of the file, the third is the error message. */
g_printerr (_("%s: %s: error opening file: %s\n"),
g_get_prgname (), g_file_get_uri (file), error->message);
g_error_free (error);
return FALSE;
}
success = TRUE;
while (1)
{
res =
g_input_stream_read (in, buffer, sizeof (buffer) - 1, NULL, &error);
if (res > 0)
{
ssize_t written;
p = buffer;
while (res > 0)
{
written = write (STDOUT_FILENO, p, res);
if (written == -1 && errno != EINTR)
{
/* Translators: the first %s is the program name, the */
/* second one is the URI of the file. */
g_printerr (_("%s: %s, error writing to stdout"),
g_get_prgname (), g_file_get_uri (file));
success = FALSE;
goto out;
}
res -= written;
p += written;
}
}
else if (res < 0)
{
/* Translators: the first %s is the program name, the second one */
/* is the URI of the file, the third is the error message. */
g_printerr (_("%s: %s: error reading: %s\n"),
g_get_prgname (), g_file_get_uri (file),
error->message);
g_error_free (error);
error = NULL;
success = FALSE;
break;
}
else if (res == 0)
break;
}
out:
close_res = g_input_stream_close (in, NULL, &error);
if (!close_res)
{
/* Translators: the first %s is the program name, the second one */
/* is the URI of the file, the third is the error message. */
g_printerr (_("%s: %s:error closing: %s\n"),
g_get_prgname (), g_file_get_uri (file), error->message);
g_error_free (error);
success = FALSE;
}
return success;
}
int
main (int argc, char *argv[])
{
GError *error = NULL;
GOptionContext *context = NULL;
GFile *file;
gchar *summary;
gchar *description;
int i;
gchar *param;
gboolean res;
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, GVFS_LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
g_type_init ();
param = g_strdup_printf (("%s..."), _("FILE"));
/* Translators: this message will appear after the usage string */
/* and before the list of options. */
summary = _("Concatenate files and print to the standard output.");
description = g_strconcat (_("gvfs-cat works just like the traditional cat utility, but using gvfs\n"
"locations instead of local files: for example you can use something\n"
"like smb://server/resource/file.txt as location."),
"\n\n",
_("Note: just pipe through cat if you need its formatting options\n"
"like -n, -T or other."),
NULL);
context = g_option_context_new (param);
g_option_context_set_summary (context, summary);
g_option_context_set_description (context, description);
g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
g_option_context_parse (context, &argc, &argv, &error);
g_option_context_free (context);
g_free (param);
g_free (description);
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;
}
if (!locations)
{
/* Translators: the %s is the program name. This error message */
/* means the user is calling gvfs-cat without any argument. */
g_printerr (_("%s: missing locations"), g_get_prgname ());
g_printerr ("\n");
g_printerr (_("Try \"%s --help\" for more information."),
g_get_prgname ());
g_printerr ("\n");
return 1;
}
res = TRUE;
i = 0;
do
{
file = g_file_new_for_commandline_arg (locations[i]);
res = cat (file) && res;
g_object_unref (file);
}
while (locations[++i] != NULL);
return res ? 0 : 2;
}
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