/// Wrapper around FromLocale, to avoid the need to call LocaleFree() static inline std::string sFromLocale( const std::string &rLocale ) { const char *s = FromLocale( rLocale.c_str() ); std::string res = s; LocaleFree( s ); return res; }
// // Get header field by index // bool CCCDFile::GetParam(int index, char **key, char **val, char **com) const { char *keyword, *value, *comment; if (m_Handle && cmpack_ccd_get_param(m_Handle, index, &keyword, &value, &comment)==0) { if (key) *key = FromLocale(keyword); if (val) *val = FromLocale(value); if (com) *com = FromLocale(comment); cmpack_free(comment); cmpack_free(keyword); cmpack_free(value); return true; } return false; }
// // Get file format name // const char *CCCDFile::Magic(void) { CmpackCcdParams params; if (!(m_CacheFlags & CF_FORMATNAME)) { g_free(m_FormatName); m_FormatName = NULL; if (m_Handle && cmpack_ccd_get_params(m_Handle, CMPACK_CM_FORMAT, ¶ms)==0) m_FormatName = FromLocale(params.format_name); m_CacheFlags |= CF_FORMATNAME; } return m_FormatName; }
const char *CCCDFile::Filter(void) { CmpackCcdParams params; if (!(m_CacheFlags & CF_FILTER)) { g_free(m_Filter); if (m_Handle && cmpack_ccd_get_params(m_Handle, CMPACK_CM_FILTER, ¶ms)==0) m_Filter = FromLocale(params.filter); else m_Filter = NULL; m_CacheFlags |= CF_FILTER; } return m_Filter; }
const gchar *CCCDFile::Instrument(void) { CmpackCcdParams params; if (!(m_CacheFlags & CF_INSTRUMENT)) { g_free(m_Instrument); if (m_Handle && cmpack_ccd_get_params(m_Handle, CMPACK_CM_INSTRUMENT, ¶ms)==0) m_Instrument = FromLocale(params.instrument); else m_Instrument = NULL; m_CacheFlags |= CF_INSTRUMENT; } return m_Instrument; }
const gchar *CCCDFile::Telescope(void) { CmpackCcdParams params; if (!(m_CacheFlags & CF_TELESCOPE)) { g_free(m_Telescope); if (m_Handle && cmpack_ccd_get_params(m_Handle, CMPACK_CM_TELESCOPE, ¶ms)==0) m_Telescope = FromLocale(params.telescope); else m_Telescope = NULL; m_CacheFlags |= CF_TELESCOPE; } return m_Telescope; }
const gchar *CCCDFile::Observer(void) { CmpackCcdParams params; if (!(m_CacheFlags & CF_OBSERVER)) { g_free(m_Observer); if (m_Handle && cmpack_ccd_get_params(m_Handle, CMPACK_CM_OBSERVER, ¶ms)==0) m_Observer = FromLocale(params.observer); else m_Observer = NULL; m_CacheFlags |= CF_OBSERVER; } return m_Observer; }
static char *config_GetAppDir (const char *xdg_name, const char *xdg_default) { char *psz_dir; char var[sizeof ("XDG__HOME") + strlen (xdg_name)]; /* XDG Base Directory Specification - Version 0.6 */ snprintf (var, sizeof (var), "XDG_%s_HOME", xdg_name); char *psz_home = FromLocale (getenv (var)); if( psz_home ) { if( asprintf( &psz_dir, "%s/vlc", psz_home ) == -1 ) psz_dir = NULL; LocaleFree (psz_home); return psz_dir; } psz_home = config_GetHomeDir (); if( psz_home == NULL || asprintf( &psz_dir, "%s/%s/vlc", psz_home, xdg_default ) == -1 ) psz_dir = NULL; free (psz_home); return psz_dir; }
/***************************************************************************** * main: parse command line, start interface and spawn threads. *****************************************************************************/ int main( int i_argc, const char *ppsz_argv[] ) { #ifdef __APPLE__ /* The so-called POSIX-compliant MacOS X is not. * SIGPIPE fires even when it is blocked in all threads! */ signal (SIGPIPE, SIG_IGN); #endif #ifndef ALLOW_RUN_AS_ROOT if (geteuid () == 0) { fprintf (stderr, "VLC is not supposed to be run as root. Sorry.\n" "If you need to use real-time priorities and/or privileged TCP ports\n" "you can use %s-wrapper (make sure it is Set-UID root and\n" "cannot be run by non-trusted users first).\n", ppsz_argv[0]); return 1; } #endif setlocale (LC_ALL, ""); #ifndef __APPLE__ /* This clutters OSX GUI error logs */ fprintf( stderr, "VLC media player %s\n", libvlc_get_version() ); #endif #ifdef HAVE_PUTENV # ifndef NDEBUG /* Activate malloc checking routines to detect heap corruptions. */ putenv( (char*)"MALLOC_CHECK_=2" ); /* Disable the ugly Gnome crash dialog so that we properly segfault */ putenv( (char *)"GNOME_DISABLE_CRASH_DIALOG=1" ); # endif #endif /* Synchronously intercepted POSIX signals. * * In a threaded program such as VLC, the only sane way to handle signals * is to block them in all thread but one - this is the only way to * predict which thread will receive them. If any piece of code depends * on delivery of one of this signal it is intrinsically not thread-safe * and MUST NOT be used in VLC, whether we like it or not. * There is only one exception: if the signal is raised with * pthread_kill() - we do not use this in LibVLC but some pthread * implementations use them internally. You should really use conditions * for thread synchronization anyway. * * Signal that request a clean shutdown, and force an unclean shutdown * if they are triggered again 2+ seconds later. * We have to handle SIGTERM cleanly because of daemon mode. * Note that we set the signals after the vlc_create call. */ static const int sigs[] = { SIGINT, SIGHUP, SIGQUIT, SIGTERM, /* Signals that cause a no-op: * - SIGPIPE might happen with sockets and would crash VLC. It MUST be * blocked by any LibVLC-dependent application, not just VLC. * - SIGCHLD comes after exec*() (such as httpd CGI support) and must * be dequeued to cleanup zombie processes. */ SIGPIPE, SIGCHLD }; sigset_t set; sigemptyset (&set); for (unsigned i = 0; i < sizeof (sigs) / sizeof (sigs[0]); i++) sigaddset (&set, sigs[i]); /* Block all these signals */ pthread_sigmask (SIG_BLOCK, &set, NULL); sigdelset (&set, SIGPIPE); sigdelset (&set, SIGCHLD); /* Note that FromLocale() can be used before libvlc is initialized */ const char *argv[i_argc + 3]; int argc = 0; argv[argc++] = "--no-ignore-config"; #ifdef TOP_BUILDDIR argv[argc++] = FromLocale ("--plugin-path="TOP_BUILDDIR"/modules"); #endif #ifdef TOP_SRCDIR # ifdef ENABLE_HTTPD argv[argc++] = FromLocale ("--http-src="TOP_SRCDIR"/share/http"); # endif #endif for (int i = 1; i < i_argc; i++) if ((argv[argc++] = FromLocale (ppsz_argv[i])) == NULL) return 1; // BOOM! argv[argc] = NULL; libvlc_exception_t ex, dummy; libvlc_exception_init (&ex); libvlc_exception_init (&dummy); /* Initialize libvlc */ libvlc_instance_t *vlc = libvlc_new (argc, argv, &ex); if (vlc != NULL) { libvlc_add_intf (vlc, "signals", &ex); if (libvlc_exception_raised (&ex)) { libvlc_exception_clear (&ex); pthread_sigmask (SIG_UNBLOCK, &set, NULL); } #if !defined (HAVE_MAEMO) libvlc_add_intf (vlc, "globalhotkeys,none", &ex); #endif libvlc_exception_clear (&ex); libvlc_add_intf (vlc, NULL, &ex); libvlc_playlist_play (vlc, -1, 0, NULL, &dummy); libvlc_wait (vlc); if (libvlc_exception_raised (&ex)) fprintf( stderr, "%s\n", libvlc_errmsg() ); libvlc_release (vlc); } for (int i = 1; i < argc; i++) LocaleFree (argv[i]); return vlc == NULL || libvlc_exception_raised (&ex); }
/***************************************************************************** * main: parse command line, start interface and spawn threads. *****************************************************************************/ int main( int i_argc, const char *ppsz_argv[] ) { /* The so-called POSIX-compliant MacOS X reportedly processes SIGPIPE even * if it is blocked in all thread. Also some libraries want SIGPIPE blocked * as they have no clue about signal masks. * Note: this is NOT an excuse for not protecting against SIGPIPE. If * LibVLC runs outside of VLC, we cannot rely on this code snippet. */ signal (SIGPIPE, SIG_IGN); /* Restore default for SIGCHLD in case parent ignores it. */ signal (SIGCHLD, SIG_DFL); #ifdef HAVE_SETENV # ifndef NDEBUG /* Activate malloc checking routines to detect heap corruptions. */ setenv ("MALLOC_CHECK_", "2", 1); /* Disable the ugly Gnome crash dialog so that we properly segfault */ setenv ("GNOME_DISABLE_CRASH_DIALOG", "1", 1); # endif /* Clear the X.Org startup notification ID. Otherwise the UI might try to * change the environment while the process is multi-threaded. That could * crash. Screw you X.Org. Next time write a thread-safe specification. */ unsetenv ("DESKTOP_STARTUP_ID"); #endif #ifndef ALLOW_RUN_AS_ROOT if (geteuid () == 0) { fprintf (stderr, "VLC is not supposed to be run as root. Sorry.\n" "If you need to use real-time priorities and/or privileged TCP ports\n" "you can use %s-wrapper (make sure it is Set-UID root and\n" "cannot be run by non-trusted users first).\n", ppsz_argv[0]); return 1; } #endif setlocale (LC_ALL, ""); #ifndef __APPLE__ /* This clutters OSX GUI error logs */ fprintf( stderr, "VLC media player %s (revision %s)\n", libvlc_get_version(), libvlc_get_changeset() ); #endif /* Synchronously intercepted POSIX signals. * * In a threaded program such as VLC, the only sane way to handle signals * is to block them in all threads but one - this is the only way to * predict which thread will receive them. If any piece of code depends * on delivery of one of this signal it is intrinsically not thread-safe * and MUST NOT be used in VLC, whether we like it or not. * There is only one exception: if the signal is raised with * pthread_kill() - we do not use this in LibVLC but some pthread * implementations use them internally. You should really use conditions * for thread synchronization anyway. * * Signal that request a clean shutdown, and force an unclean shutdown * if they are triggered again 2+ seconds later. * We have to handle SIGTERM cleanly because of daemon mode. * Note that we set the signals after the vlc_create call. */ static const int sigs[] = { SIGINT, SIGHUP, SIGQUIT, SIGTERM, /* Signals that cause a no-op: * - SIGPIPE might happen with sockets and would crash VLC. It MUST be * blocked by any LibVLC-dependent application, not just VLC. * - SIGCHLD comes after exec*() (such as httpd CGI support) and must * be dequeued to cleanup zombie processes. */ SIGPIPE, SIGCHLD }; sigset_t set; sigemptyset (&set); for (unsigned i = 0; i < sizeof (sigs) / sizeof (sigs[0]); i++) sigaddset (&set, sigs[i]); #ifdef HAVE_MAEMO sigaddset (&set, SIGRTMIN); { struct sigaction act = { .sa_handler = dummy_handler, }; sigaction (SIGRTMIN, &act, NULL); } #endif /* Block all these signals */ pthread_sigmask (SIG_BLOCK, &set, NULL); sigdelset (&set, SIGPIPE); sigdelset (&set, SIGCHLD); /* Note that FromLocale() can be used before libvlc is initialized */ const char *argv[i_argc + 3]; int argc = 0; argv[argc++] = "--no-ignore-config"; #ifdef TOP_BUILDDIR argv[argc++] = FromLocale ("--plugin-path="TOP_BUILDDIR"/modules"); #endif #ifdef TOP_SRCDIR argv[argc++] = FromLocale ("--data-path="TOP_SRCDIR"/share"); #endif int i = 1; #ifdef __APPLE__ /* When VLC.app is run by double clicking in Mac OS X, the 2nd arg * is the PSN - process serial number (a unique PID-ish thingie) * still ok for real Darwin & when run from command line * for example -psn_0_9306113 */ if(i_argc >= 2 && !strncmp( ppsz_argv[1] , "-psn" , 4 )) i = 2; #endif for (; i < i_argc; i++) if ((argv[argc++] = FromLocale (ppsz_argv[i])) == NULL) return 1; // BOOM! argv[argc] = NULL; vlc_enable_override (); /* Initialize libvlc */ libvlc_instance_t *vlc = libvlc_new (argc, argv); if (vlc != NULL) { libvlc_set_user_agent (vlc, "VLC media player", NULL); if (libvlc_add_intf (vlc, "signals")) pthread_sigmask (SIG_UNBLOCK, &set, NULL); #if !defined (HAVE_MAEMO) && !defined __APPLE__ libvlc_add_intf (vlc, "globalhotkeys,none"); #endif if (libvlc_add_intf (vlc, NULL) == 0) { libvlc_playlist_play (vlc, -1, 0, NULL); libvlc_wait (vlc); } libvlc_release (vlc); } for (int i = 1; i < argc; i++) LocaleFree (argv[i]); return 0; }