From ffc4fb7bdd03d095c46233770eb1a40fcaa3999c Mon Sep 17 00:00:00 2001 From: Sergey Poznyakoff Date: Tue, 6 Dec 2005 23:14:44 +0000 Subject: [PATCH] (new_volume): Update invocation (change_tape_menu): New function. Disable '!' command if given --restrict option. --- src/buffer.c | 177 ++++++++++++++++++++++++++++----------------------- 1 file changed, 97 insertions(+), 80 deletions(-) diff --git a/src/buffer.c b/src/buffer.c index cbbea10..586b1f9 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -863,6 +863,99 @@ increase_volume_number () volno++; } +void +change_tape_menu (FILE *read_file) +{ + char *input_buffer = NULL; + size_t size = 0; + + while (1) + { + fputc ('\007', stderr); + fprintf (stderr, + _("Prepare volume #%d for %s and hit return: "), + global_volno + 1, quote (*archive_name_cursor)); + fflush (stderr); + + if (getline (&input_buffer, &size, read_file) <= 0) + { + WARN ((0, 0, _("EOF where user reply was expected"))); + + if (subcommand_option != EXTRACT_SUBCOMMAND + && subcommand_option != LIST_SUBCOMMAND + && subcommand_option != DIFF_SUBCOMMAND) + WARN ((0, 0, _("WARNING: Archive is incomplete"))); + + fatal_exit (); + } + + if (input_buffer[0] == '\n' + || input_buffer[0] == 'y' + || input_buffer[0] == 'Y') + break; + + switch (input_buffer[0]) + { + case '?': + { + fprintf (stderr, _("\ + n [name] Give a new file name for the next (and subsequent) volume(s)\n\ + q Abort tar\n\ + y or newline Continue operation\n")); + if (!restrict_option) + fprintf (stderr, _(" ! Spawn a subshell\n")); + fprintf (stderr, _(" ? Print this list\n")); + } + break; + + case 'q': + /* Quit. */ + + WARN ((0, 0, _("No new volume; exiting.\n"))); + + if (subcommand_option != EXTRACT_SUBCOMMAND + && subcommand_option != LIST_SUBCOMMAND + && subcommand_option != DIFF_SUBCOMMAND) + WARN ((0, 0, _("WARNING: Archive is incomplete"))); + + fatal_exit (); + + case 'n': + /* Get new file name. */ + + { + char *name; + char *cursor; + + for (name = input_buffer + 1; + *name == ' ' || *name == '\t'; + name++) + ; + + for (cursor = name; *cursor && *cursor != '\n'; cursor++) + ; + *cursor = '\0'; + + /* FIXME: the following allocation is never reclaimed. */ + *archive_name_cursor = xstrdup (name); + } + break; + + case '!': + if (!restrict_option) + { + sys_spawn_shell (); + break; + } + /* FALL THROUGH */ + + default: + fprintf (stderr, _("Invalid input. Type ? for help.\n")); + } + } + free (input_buffer); +} + /* We've hit the end of the old volume. Close it and open the next one. Return nonzero on success. */ @@ -904,88 +997,12 @@ new_volume (enum access_mode mode) { if (volno_file_option) closeout_volume_number (); - if (sys_exec_info_script (*archive_name_cursor, global_volno+1)) + if (sys_exec_info_script (archive_name_cursor, global_volno+1)) FATAL_ERROR ((0, 0, _("%s command failed"), quote (info_script_option))); } else - while (1) - { - char input_buffer[80]; - - fputc ('\007', stderr); - fprintf (stderr, - _("Prepare volume #%d for %s and hit return: "), - global_volno + 1, quote (*archive_name_cursor)); - fflush (stderr); - - if (fgets (input_buffer, sizeof input_buffer, read_file) == 0) - { - WARN ((0, 0, _("EOF where user reply was expected"))); - - if (subcommand_option != EXTRACT_SUBCOMMAND - && subcommand_option != LIST_SUBCOMMAND - && subcommand_option != DIFF_SUBCOMMAND) - WARN ((0, 0, _("WARNING: Archive is incomplete"))); - - fatal_exit (); - } - if (input_buffer[0] == '\n' - || input_buffer[0] == 'y' - || input_buffer[0] == 'Y') - break; - - switch (input_buffer[0]) - { - case '?': - { - /* FIXME: Might it be useful to disable the '!' command? */ - fprintf (stderr, _("\ - n [name] Give a new file name for the next (and subsequent) volume(s)\n\ - q Abort tar\n\ - ! Spawn a subshell\n\ - ? Print this list\n")); - } - break; - - case 'q': - /* Quit. */ - - WARN ((0, 0, _("No new volume; exiting.\n"))); - - if (subcommand_option != EXTRACT_SUBCOMMAND - && subcommand_option != LIST_SUBCOMMAND - && subcommand_option != DIFF_SUBCOMMAND) - WARN ((0, 0, _("WARNING: Archive is incomplete"))); - - fatal_exit (); - - case 'n': - /* Get new file name. */ - - { - char *name = &input_buffer[1]; - char *cursor; - - for (name = input_buffer + 1; - *name == ' ' || *name == '\t'; - name++) - ; - - for (cursor = name; *cursor && *cursor != '\n'; cursor++) - ; - *cursor = '\0'; - - /* FIXME: the following allocation is never reclaimed. */ - *archive_name_cursor = xstrdup (name); - } - break; - - case '!': - sys_spawn_shell (); - break; - } - } + change_tape_menu (read_file); } if (strcmp (archive_name_cursor[0], "-") == 0) @@ -1499,7 +1516,7 @@ _gnu_flush_write (size_t buffer_level) char *copy_ptr; size_t copy_size; size_t bufsize; - + status = _flush_write (); if (status != record_size && !multi_volume_option) archive_write_error (status); @@ -1524,7 +1541,7 @@ _gnu_flush_write (size_t buffer_level) return; xheader_destroy (&extended_header); - + increase_volume_number (); if (totals_option) prev_written += bytes_written; -- 2.45.2