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gimp/app/main.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#include <sys/types.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef __GLIBC__
#include <malloc.h>
#endif
#ifndef WAIT_ANY
#define WAIT_ANY -1
#endif
#include <locale.h>
#include <glib-object.h>
#include "libgimpbase/gimpbase.h"
#include "config/gimpconfig-dump.h"
#include "core/core-types.h"
#include "core/gimp.h"
#include "app_procs.h"
#include "errors.h"
#include "sanity.h"
#include "units.h"
#include "gimp-intl.h"
#ifdef G_OS_WIN32
#include <windows.h>
#else
static void gimp_sigfatal_handler (gint sig_num) G_GNUC_NORETURN;
static void gimp_sigchld_handler (gint sig_num);
#endif
static void gimp_show_version (void);
static void gimp_show_help (const gchar *progname);
/*
* argv processing:
* Arguments are either switches, their associated
* values, or image files. As switches and their
* associated values are processed, those slots in
* the argv[] array are NULLed. We do this because
* unparsed args are treated as images to load on
* startup.
*
* The GTK switches are processed first (X switches are
* processed here, not by any X routines). Then the
* general GIMP switches are processed. Any args
* left are assumed to be image files the GIMP should
* display.
*
* The exception is the batch switch. When this is
* encountered, all remaining args are treated as batch
* commands.
*/
int
main (int argc,
char **argv)
{
const gchar *abort_message = NULL;
const gchar *full_prog_name = NULL;
const gchar *alternate_system_gimprc = NULL;
const gchar *alternate_gimprc = NULL;
const gchar *session_name = NULL;
const gchar *batch_interpreter = NULL;
const gchar **batch_commands = NULL;
gboolean show_help = FALSE;
gboolean no_interface = FALSE;
gboolean no_data = FALSE;
gboolean no_fonts = FALSE;
gboolean no_splash = FALSE;
gboolean be_verbose = FALSE;
gboolean use_shm = FALSE;
gboolean use_cpu_accel = TRUE;
gboolean console_messages = FALSE;
gboolean use_debug_handler = FALSE;
#ifdef GIMP_UNSTABLE
GimpStackTraceMode stack_trace_mode = GIMP_STACK_TRACE_QUERY;
GimpPDBCompatMode pdb_compat_mode = GIMP_PDB_COMPAT_WARN;
#else
GimpStackTraceMode stack_trace_mode = GIMP_STACK_TRACE_NEVER;
GimpPDBCompatMode pdb_compat_mode = GIMP_PDB_COMPAT_ON;
#endif
gint i, j;
#if 0
g_mem_set_vtable (glib_mem_profiler_table);
g_atexit (g_mem_profile);
#endif
/* Initialize variables */
full_prog_name = argv[0];
/* Initialize i18n support */
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE"-libgimp", gimp_locale_directory ());
#ifdef HAVE_BIND_TEXTDOMAIN_CODESET
bind_textdomain_codeset (GETTEXT_PACKAGE"-libgimp", "UTF-8");
#endif
bindtextdomain (GETTEXT_PACKAGE, gimp_locale_directory ());
#ifdef HAVE_BIND_TEXTDOMAIN_CODESET
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
#endif
textdomain (GETTEXT_PACKAGE);
/* Check argv[] for "--no-interface" before trying to initialize gtk+.
* We also check for "--help" or "--version" here since those shouldn't
* require gui libs either.
*/
for (i = 1; i < argc; i++)
{
const gchar *arg = argv[i];
if (arg[0] != '-')
continue;
if ((strcmp (arg, "--no-interface") == 0) ||
(strcmp (arg, "-i") == 0))
{
no_interface = TRUE;
}
else if ((strcmp (arg, "--version") == 0) ||
(strcmp (arg, "-v") == 0))
{
gimp_show_version ();
app_exit (EXIT_SUCCESS);
}
else if ((strcmp (arg, "--help") == 0) ||
(strcmp (arg, "-h") == 0))
{
gimp_show_help (full_prog_name);
app_exit (EXIT_SUCCESS);
}
else if (strncmp (arg, "--dump-gimprc", 13) == 0)
{
GimpConfigDumpFormat format = GIMP_CONFIG_DUMP_NONE;
if (strcmp (arg, "--dump-gimprc") == 0)
format = GIMP_CONFIG_DUMP_GIMPRC;
if (strcmp (arg, "--dump-gimprc-system") == 0)
format = GIMP_CONFIG_DUMP_GIMPRC_SYSTEM;
else if (strcmp (arg, "--dump-gimprc-manpage") == 0)
format = GIMP_CONFIG_DUMP_GIMPRC_MANPAGE;
if (format)
{
Gimp *gimp;
gboolean success;
g_type_init ();
gimp = g_object_new (GIMP_TYPE_GIMP, NULL);
units_init (gimp);
success = gimp_config_dump (format);
g_object_unref (gimp);
app_exit (success ? EXIT_SUCCESS : EXIT_FAILURE);
}
}
}
if (! app_libs_init (&no_interface, &argc, &argv))
{
const gchar *msg;
msg = _("GIMP could not initialize the graphical user interface.\n"
"Make sure a proper setup for your display environment exists.");
g_print ("%s\n\n", msg);
app_exit (EXIT_FAILURE);
}
abort_message = sanity_check ();
if (abort_message)
app_abort (no_interface, abort_message);
g_set_application_name (_("The GIMP"));
#if defined (USE_SYSV_SHM) || defined (USE_POSIX_SHM) || defined (G_OS_WIN32)
use_shm = TRUE;
#endif
#ifdef __GLIBC__
/* Tweak memory allocation so that memory allocated in chunks >= 4k
* (64x64 pixel 1bpp tile) gets returned to the system when free'd ().
*/
mallopt (M_MMAP_THRESHOLD, 64 * 64 - 1);
#endif
batch_commands = g_new (const gchar *, argc);
batch_commands[0] = NULL;
for (i = 1; i < argc; i++)
{
if (strcmp (argv[i], "--g-fatal-warnings") == 0)
{
GLogLevelFlags fatal_mask;
fatal_mask = g_log_set_always_fatal (G_LOG_FATAL_MASK);
fatal_mask |= G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL;
g_log_set_always_fatal (fatal_mask);
argv[i] = NULL;
}
else if ((strcmp (argv[i], "--no-interface") == 0) ||
(strcmp (argv[i], "-i") == 0))
{
no_interface = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--batch-interpreter") == 0)
{
argv[i] = NULL;
if (argc <= ++i)
{
show_help = TRUE;
}
else
{
batch_interpreter = argv[i];
argv[i] = NULL;
}
}
else if ((strcmp (argv[i], "--batch") == 0) ||
(strcmp (argv[i], "-b") == 0))
{
argv[i] = NULL;
for (j = 0, i++ ; i < argc; j++, i++)
{
batch_commands[j] = argv[i];
argv[i] = NULL;
}
batch_commands[j] = NULL;
/* We need at least one batch command */
if (batch_commands[0] == NULL)
show_help = TRUE;
}
else if (strcmp (argv[i], "--system-gimprc") == 0)
{
argv[i] = NULL;
if (argc <= ++i)
{
show_help = TRUE;
}
else
{
alternate_system_gimprc = argv[i];
argv[i] = NULL;
}
}
else if ((strcmp (argv[i], "--gimprc") == 0) ||
(strcmp (argv[i], "-g") == 0))
{
argv[i] = NULL;
if (argc <= ++i)
{
show_help = TRUE;
}
else
{
alternate_gimprc = argv[i];
argv[i] = NULL;
}
}
else if ((strcmp (argv[i], "--no-data") == 0) ||
(strcmp (argv[i], "-d") == 0))
{
no_data = TRUE;
argv[i] = NULL;
}
else if ((strcmp (argv[i], "--no-fonts") == 0) ||
(strcmp (argv[i], "-f") == 0))
{
no_fonts = TRUE;
argv[i] = NULL;
}
else if ((strcmp (argv[i], "--no-splash") == 0) ||
(strcmp (argv[i], "-s") == 0))
{
no_splash = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--verbose") == 0)
{
be_verbose = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--no-shm") == 0)
{
use_shm = FALSE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--no-cpu-accel") == 0)
{
use_cpu_accel = FALSE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--debug-handlers") == 0)
{
use_debug_handler = TRUE;
argv[i] = NULL;
}
else if ((strcmp (argv[i], "--console-messages") == 0) ||
(strcmp (argv[i], "-c") == 0))
{
console_messages = TRUE;
argv[i] = NULL;
}
else if (strcmp (argv[i], "--session") == 0)
{
argv[i] = NULL;
if (argc <= ++i)
{
show_help = TRUE;
}
else
{
session_name = argv[i];
argv[i] = NULL;
}
}
else if (strcmp (argv[i], "--stack-trace-mode") == 0)
{
argv[i] = NULL;
if (argc <= ++i)
{
show_help = TRUE;
}
else
{
if (! strcmp (argv[i], "never"))
stack_trace_mode = GIMP_STACK_TRACE_NEVER;
else if (! strcmp (argv[i], "query"))
stack_trace_mode = GIMP_STACK_TRACE_QUERY;
else if (! strcmp (argv[i], "always"))
stack_trace_mode = GIMP_STACK_TRACE_ALWAYS;
else
show_help = TRUE;
argv[i] = NULL;
}
}
else if (strcmp (argv[i], "--pdb-compat-mode") == 0)
{
argv[i] = NULL;
if (argc <= ++i)
{
show_help = TRUE;
}
else
{
if (! strcmp (argv[i], "off"))
pdb_compat_mode = GIMP_PDB_COMPAT_OFF;
else if (! strcmp (argv[i], "on"))
pdb_compat_mode = GIMP_PDB_COMPAT_ON;
else if (! strcmp (argv[i], "warn"))
pdb_compat_mode = GIMP_PDB_COMPAT_WARN;
else
show_help = TRUE;
argv[i] = NULL;
}
}
else if (strcmp (argv[i], "--") == 0)
{
/*
* everything after "--" is a parameter (i.e. image to load)
*/
argv[i] = NULL;
break;
}
else if (argv[i][0] == '-')
{
/*
* anything else starting with a '-' is an error.
*/
g_print (_("\nInvalid option \"%s\"\n"), argv[i]);
show_help = TRUE;
}
}
if (show_help)
{
gimp_show_help (full_prog_name);
app_exit (EXIT_FAILURE);
}
#ifndef G_OS_WIN32
/* No use catching these on Win32, the user won't get any
* stack trace from glib anyhow. It's better to let Windows inform
* about the program error, and offer debugging (if the user
* has installed MSVC or some other compiler that knows how to
* install itself as a handler for program errors).
*/
/* Handle fatal signals */
/* these are handled by gimp_terminate() */
gimp_signal_private (SIGHUP, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGINT, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGQUIT, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGABRT, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGTERM, gimp_sigfatal_handler, 0);
if (stack_trace_mode != GIMP_STACK_TRACE_NEVER)
{
/* these are handled by gimp_fatal_error() */
gimp_signal_private (SIGBUS, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGSEGV, gimp_sigfatal_handler, 0);
gimp_signal_private (SIGFPE, gimp_sigfatal_handler, 0);
}
/* Ignore SIGPIPE because plug_in.c handles broken pipes */
gimp_signal_private (SIGPIPE, SIG_IGN, 0);
/* Collect dead children */
gimp_signal_private (SIGCHLD, gimp_sigchld_handler, SA_RESTART);
#endif /* G_OS_WIN32 */
gimp_errors_init (full_prog_name,
use_debug_handler,
stack_trace_mode);
app_run (full_prog_name,
argc - 1,
argv + 1,
alternate_system_gimprc,
alternate_gimprc,
session_name,
batch_interpreter,
batch_commands,
no_interface,
no_data,
no_fonts,
no_splash,
be_verbose,
use_shm,
use_cpu_accel,
console_messages,
stack_trace_mode,
pdb_compat_mode);
g_free (batch_commands);
return EXIT_SUCCESS;
}
static void
gimp_show_version (void)
{
g_print ("%s %s\n", _("GIMP version"), GIMP_VERSION);
}
static void
gimp_show_help (const gchar *progname)
{
gimp_show_version ();
g_print (_("\nUsage: %s [option ... ] [file ... ]\n\n"),
gimp_filename_to_utf8 (progname));
g_print (_("Options:\n"));
g_print (_(" -h, --help Output this help.\n"));
g_print (_(" -v, --version Output version information.\n"));
g_print (_(" --verbose Show startup messages.\n"));
g_print (_(" --no-shm Do not use shared memory between GIMP and plugins.\n"));
g_print (_(" --no-cpu-accel Do not use special CPU accelerations.\n"));
g_print (_(" -d, --no-data Do not load brushes, gradients, palettes, patterns.\n"));
g_print (_(" -f, --no-fonts Do not load any fonts.\n"));
g_print (_(" -i, --no-interface Run without a user interface.\n"));
g_print (_(" --display <display> Use the designated X display.\n"));
g_print (_(" -s, --no-splash Do not show the startup window.\n"));
g_print (_(" --session <name> Use an alternate sessionrc file.\n"));
g_print (_(" -g, --gimprc <gimprc> Use an alternate gimprc file.\n"));
g_print (_(" --system-gimprc <gimprc> Use an alternate system gimprc file.\n"));
g_print (_(" --dump-gimprc Output a gimprc file with default settings.\n"));
g_print (_(" -c, --console-messages Display warnings to console instead of a dialog box.\n"));
g_print (_(" --debug-handlers Enable non-fatal debugging signal handlers.\n"));
g_print (_(" --stack-trace-mode <never | query | always>\n"
" Debugging mode for fatal signals.\n"));
g_print (_(" --pdb-compat-mode <off | on | warn>\n"
" Procedural Database compatibility mode.\n"));
g_print (_(" --batch-interpreter <procedure>\n"
" The procedure to process batch commands with.\n"));
g_print (_(" -b, --batch <commands> Process commands in batch mode.\n"));
g_print ("\n");
};
#ifdef G_OS_WIN32
/* In case we build this as a windowed application */
#ifdef __GNUC__
# ifndef _stdcall
# define _stdcall __attribute__((stdcall))
# endif
#endif
int _stdcall
WinMain (struct HINSTANCE__ *hInstance,
struct HINSTANCE__ *hPrevInstance,
char *lpszCmdLine,
int nCmdShow)
{
return main (__argc, __argv);
}
#endif /* G_OS_WIN32 */
#ifndef G_OS_WIN32
/* gimp core signal handler for fatal signals */
static void
gimp_sigfatal_handler (gint sig_num)
{
switch (sig_num)
{
case SIGHUP:
case SIGINT:
case SIGQUIT:
case SIGABRT:
case SIGTERM:
gimp_terminate (g_strsignal (sig_num));
break;
case SIGBUS:
case SIGSEGV:
case SIGFPE:
default:
gimp_fatal_error (g_strsignal (sig_num));
break;
}
}
/* gimp core signal handler for death-of-child signals */
static void
gimp_sigchld_handler (gint sig_num)
{
gint pid;
gint status;
while (TRUE)
{
pid = waitpid (WAIT_ANY, &status, WNOHANG);
if (pid <= 0)
break;
}
}
#endif /* ! G_OS_WIN32 */
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