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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:37:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:37:15 +0000
commitae5d181b854d3ccb373b6bc01b4869e44ff4d87a (patch)
tree91f59efb48c56a84cc798e012fccb667b63d3fee /src/LYClean.c
parentInitial commit. (diff)
downloadlynx-ae5d181b854d3ccb373b6bc01b4869e44ff4d87a.tar.xz
lynx-ae5d181b854d3ccb373b6bc01b4869e44ff4d87a.zip
Adding upstream version 2.9.0dev.12.upstream/2.9.0dev.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/LYClean.c')
-rw-r--r--src/LYClean.c203
1 files changed, 203 insertions, 0 deletions
diff --git a/src/LYClean.c b/src/LYClean.c
new file mode 100644
index 0000000..3679d87
--- /dev/null
+++ b/src/LYClean.c
@@ -0,0 +1,203 @@
+/* $LynxId: LYClean.c,v 1.40 2013/10/10 23:47:25 tom Exp $ */
+#include <HTUtils.h>
+#include <LYCurses.h>
+#include <LYUtils.h>
+#include <LYSignal.h>
+#include <LYClean.h>
+#include <LYMainLoop.h>
+#include <LYGlobalDefs.h>
+#include <LYTraversal.h>
+#include <LYHistory.h>
+#include <LYCookie.h>
+#include <LYSession.h>
+#include <UCAuto.h>
+#include <HTAlert.h>
+
+#include <LYexit.h>
+#include <LYLeaks.h>
+
+#ifdef DJGPP
+extern void sig_handler_watt(int);
+#endif /* DJGPP */
+
+#ifdef VMS
+BOOLEAN HadVMSInterrupt = FALSE;
+#endif /* VMS */
+
+/*
+ * Interrupt handler. Stop curses and exit gracefully.
+ */
+void cleanup_sig(int sig)
+{
+#ifdef IGNORE_CTRL_C
+ if (sig == SIGINT) {
+ /*
+ * Need to rearm the signal.
+ */
+#ifdef DJGPP
+ if (wathndlcbrk) {
+ sig_handler_watt(sig); /* Use WATT-32 signal handler */
+ }
+#endif /* DJGPP */
+ signal(SIGINT, cleanup_sig);
+ sigint = TRUE;
+#ifdef DJGPP
+ _eth_release();
+ _eth_init();
+#endif /* DJGPP */
+ return;
+ }
+#endif /* IGNORE_CTRL_C */
+
+#ifdef VMS
+ if (!dump_output_immediately) {
+
+ /*
+ * Reassert the AST.
+ */
+ (void) signal(SIGINT, cleanup_sig);
+ if (LYCursesON) {
+ lynx_force_repaint(); /* wipe away the "cancel" message */
+ LYrefresh();
+
+ /*
+ * Ask if exit is intended.
+ */
+ if (LYQuitDefaultYes == TRUE) {
+ int Dft = ((LYQuitDefaultYes == TRUE) ? YES : NO);
+ int c = HTConfirmDefault(REALLY_EXIT, Dft);
+
+ HadVMSInterrupt = TRUE;
+ if (c != Dft) {
+ return;
+ }
+ }
+ } else {
+ return;
+ }
+ }
+#endif /* VMS */
+
+ /*
+ * Ignore signals from terminal.
+ */
+#ifndef NOSIGHUP
+ (void) signal(SIGHUP, SIG_IGN);
+#endif /* NOSIGHUP */
+
+#ifdef VMS
+ /*
+ * Use ttclose() from cleanup() for VMS if not dumping.
+ */
+ if (dump_output_immediately)
+ (void) signal(SIGTERM, SIG_IGN);
+#else /* Unix: */
+ (void) signal(SIGINT, SIG_IGN);
+ (void) signal(SIGTERM, SIG_IGN);
+#endif /* VMS */
+
+ if (traversal)
+ dump_traversal_history();
+
+#ifndef NOSIGHUP
+ if (sig != SIGHUP) {
+#endif /* NOSIGHUP */
+
+ if (!dump_output_immediately) {
+ /*
+ * cleanup() also calls cleanup_files().
+ */
+ cleanup();
+ }
+ if (sig != 0) {
+ SetOutputMode(O_TEXT);
+ printf("\n\n%s %d\n\n",
+ gettext("Exiting via interrupt:"),
+ sig);
+ fflush(stdout);
+ }
+#ifndef NOSIGHUP
+ } else {
+#ifdef USE_SESSIONS
+ /*
+ * It is useful to save the session if a user closed lynx in a
+ * nonstandard way, such as closing xterm window or in even a crash.
+ */
+ SaveSession();
+#endif /* USE_SESSIONS */
+ cleanup_files();
+ }
+#endif /* NOSIGHUP */
+ if (sig != 0) {
+ exit_immediately(EXIT_SUCCESS);
+ } else {
+ reset_signals();
+ }
+}
+
+/*
+ * Called by interrupt handler or at quit-time, this erases the temporary files
+ * that lynx created.
+ */
+void cleanup_files(void)
+{
+ LYCleanupTemp();
+ FREE(lynx_temp_space);
+}
+
+void cleanup(void)
+{
+ /*
+ * Ignore signals from terminal.
+ */
+#ifndef NOSIGHUP
+ (void) signal(SIGHUP, SIG_IGN);
+#endif /* NOSIGHUP */
+#ifndef VMS /* use ttclose() from cleanup() for VMS */
+ (void) signal(SIGINT, SIG_IGN);
+#endif /* !VMS */
+ (void) signal(SIGTERM, SIG_IGN);
+
+ if (LYCursesON) {
+ LYParkCursor();
+ lynx_stop_all_colors();
+ LYrefresh();
+
+ stop_curses();
+ }
+#ifdef EXP_CHARTRANS_AUTOSWITCH
+ /*
+ * Currently implemented only for LINUX: Restore original font.
+ */ UCChangeTerminalCodepage(-1, (LYUCcharset *) 0);
+#endif /* EXP_CHARTRANS_AUTOSWITCH */
+
+#ifdef USE_PERSISTENT_COOKIES
+ /*
+ * This can go right here for now. We need to work up a better place
+ * to save cookies for the next release, preferably whenever a new
+ * persistent cookie is received or used. Some sort of protocol to
+ * handle two processes writing to the cookie file needs to be worked
+ * out as well.
+ */
+ if (persistent_cookies)
+ LYStoreCookies(LYCookieSaveFile);
+#endif
+#ifdef USE_SESSIONS
+ SaveSession();
+#endif /* USE_SESSIONS */
+
+ cleanup_files();
+#ifdef VMS
+ ttclose();
+ DidCleanup = TRUE;
+#endif /* VMS */
+
+ /*
+ * If we're looking at memory leaks, hang onto the trace file, since there
+ * is no memory freed in this function, and it is a nuisance to not be able
+ * to trace the cleanup activity -TD
+ */
+#ifndef LY_FIND_LEAKS
+ LYCloseTracelog();
+#endif
+}