diff options
Diffstat (limited to 'trunk/programs/gvfs-save.c')
| -rw-r--r-- | trunk/programs/gvfs-save.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/trunk/programs/gvfs-save.c b/trunk/programs/gvfs-save.c new file mode 100644 index 00000000..ffe21bad --- /dev/null +++ b/trunk/programs/gvfs-save.c @@ -0,0 +1,184 @@ +/* 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., 59 Temple Place, Suite 330, + * Boston, MA 02111-1307, 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, "Create backup", NULL }, + { "create", 'c', 0, G_OPTION_ARG_NONE, &create, "Only create if not existing", NULL }, + { "append", 'a', 0, G_OPTION_ARG_NONE, &append, "Append to end of file", NULL }, + { "private", 'p', 0, G_OPTION_ARG_NONE, &priv, "When creating a file, restrict access to the current user only", NULL }, + { "print_etag", 'v', 0, G_OPTION_ARG_NONE, &print_etag, "Print new etag at end", NULL }, + { "etag", 'e', 0, G_OPTION_ARG_STRING, &etag, "The etag of the file being overwritten", NULL }, + { 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 + 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; + + setlocale (LC_ALL, ""); + + g_type_init (); + + error = NULL; + context = g_option_context_new ("- output files at <location>"); + 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; +} |