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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [cli/] [cli-logging.c] - Rev 321
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/* Command-line output logging for GDB, the GNU debugger. Copyright (c) 2003, 2004, 2007, 2008 Free Software Foundation, Inc. This file is part of GDB. 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/>. */ #include "defs.h" #include "gdbcmd.h" #include "ui-out.h" #include "gdb_string.h" /* These hold the pushed copies of the gdb output files. If NULL then nothing has yet been pushed. */ struct saved_output_files { struct ui_file *out; struct ui_file *err; struct ui_file *log; struct ui_file *targ; }; static struct saved_output_files saved_output; static char *saved_filename; static char *logging_filename; static void show_logging_filename (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) { fprintf_filtered (file, _("The current logfile is \"%s\".\n"), value); } int logging_overwrite; static void show_logging_overwrite (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) { fprintf_filtered (file, _("\ Whether logging overwrites or appends to the log file is %s.\n"), value); } int logging_redirect; static void show_logging_redirect (struct ui_file *file, int from_tty, struct cmd_list_element *c, const char *value) { fprintf_filtered (file, _("The logging output mode is %s.\n"), value); } /* If we've pushed output files, close them and pop them. */ static void pop_output_files (void) { /* Only delete one of the files -- they are all set to the same value. */ ui_file_delete (gdb_stdout); gdb_stdout = saved_output.out; gdb_stderr = saved_output.err; gdb_stdlog = saved_output.log; gdb_stdtarg = saved_output.targ; saved_output.out = NULL; saved_output.err = NULL; saved_output.log = NULL; saved_output.targ = NULL; ui_out_redirect (uiout, NULL); } /* This is a helper for the `set logging' command. */ static void handle_redirections (int from_tty) { struct ui_file *output; if (saved_filename != NULL) { fprintf_unfiltered (gdb_stdout, "Already logging to %s.\n", saved_filename); return; } output = gdb_fopen (logging_filename, logging_overwrite ? "w" : "a"); if (output == NULL) perror_with_name (_("set logging")); /* Redirects everything to gdb_stdout while this is running. */ if (!logging_redirect) { output = tee_file_new (gdb_stdout, 0, output, 1); if (output == NULL) perror_with_name (_("set logging")); if (from_tty) fprintf_unfiltered (gdb_stdout, "Copying output to %s.\n", logging_filename); } else if (from_tty) fprintf_unfiltered (gdb_stdout, "Redirecting output to %s.\n", logging_filename); saved_filename = xstrdup (logging_filename); saved_output.out = gdb_stdout; saved_output.err = gdb_stderr; saved_output.log = gdb_stdlog; saved_output.targ = gdb_stdtarg; gdb_stdout = output; gdb_stderr = output; gdb_stdlog = output; gdb_stdtarg = output; if (ui_out_redirect (uiout, gdb_stdout) < 0) warning (_("Current output protocol does not support redirection")); } static void set_logging_on (char *args, int from_tty) { char *rest = args; if (rest && *rest) { xfree (logging_filename); logging_filename = xstrdup (rest); } handle_redirections (from_tty); } static void set_logging_off (char *args, int from_tty) { if (saved_filename == NULL) return; pop_output_files (); if (from_tty) fprintf_unfiltered (gdb_stdout, "Done logging to %s.\n", saved_filename); xfree (saved_filename); saved_filename = NULL; } static void set_logging_command (char *args, int from_tty) { printf_unfiltered (_("\ \"set logging\" lets you log output to a file.\n\ Usage: set logging on [FILENAME]\n\ set logging off\n\ set logging file FILENAME\n\ set logging overwrite [on|off]\n\ set logging redirect [on|off]\n")); } void show_logging_command (char *args, int from_tty) { if (saved_filename) printf_unfiltered (_("Currently logging to \"%s\".\n"), saved_filename); if (saved_filename == NULL || strcmp (logging_filename, saved_filename) != 0) printf_unfiltered (_("Future logs will be written to %s.\n"), logging_filename); if (logging_overwrite) printf_unfiltered (_("Logs will overwrite the log file.\n")); else printf_unfiltered (_("Logs will be appended to the log file.\n")); if (logging_redirect) printf_unfiltered (_("Output will be sent only to the log file.\n")); else printf_unfiltered (_("Output will be logged and displayed.\n")); } void _initialize_cli_logging (void) { static struct cmd_list_element *set_logging_cmdlist, *show_logging_cmdlist; add_prefix_cmd ("logging", class_support, set_logging_command, _("Set logging options"), &set_logging_cmdlist, "set logging ", 0, &setlist); add_prefix_cmd ("logging", class_support, show_logging_command, _("Show logging options"), &show_logging_cmdlist, "show logging ", 0, &showlist); add_setshow_boolean_cmd ("overwrite", class_support, &logging_overwrite, _("\ Set whether logging overwrites or appends to the log file."), _("\ Show whether logging overwrites or appends to the log file."), _("\ If set, logging overrides the log file."), NULL, show_logging_overwrite, &set_logging_cmdlist, &show_logging_cmdlist); add_setshow_boolean_cmd ("redirect", class_support, &logging_redirect, _("\ Set the logging output mode."), _("\ Show the logging output mode."), _("\ If redirect is off, output will go to both the screen and the log file.\n\ If redirect is on, output will go only to the log file."), NULL, show_logging_redirect, &set_logging_cmdlist, &show_logging_cmdlist); add_setshow_filename_cmd ("file", class_support, &logging_filename, _("\ Set the current logfile."), _("\ Show the current logfile."), _("\ The logfile is used when directing GDB's output."), NULL, show_logging_filename, &set_logging_cmdlist, &show_logging_cmdlist); add_cmd ("on", class_support, set_logging_on, _("Enable logging."), &set_logging_cmdlist); add_cmd ("off", class_support, set_logging_off, _("Disable logging."), &set_logging_cmdlist); logging_filename = xstrdup ("gdb.txt"); }
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