Initial checkin

Imported from subversion report, converted to git. Updated all paths in
scripts and makefiles, reflecting the new directory hierarchy.

1 files changed, 113 insertions, 0 deletions

diff --git a/maildrop/maildrop.C b/maildrop/maildrop.C
new file mode 100644
index 0000000..10a0c01
--- /dev/null
+++ b/maildrop/maildrop.C
@@ -0,0 +1,113 @@
+#include "config.h"
+/*
+** Copyright 1998 - 2006 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+
+#include	"maildrop.h"
+#include	"exittrap.h"
+#include	<signal.h>
+#include	<sysexits.h>
+#include	<errno.h>
+#if SYSLOG_LOGGING
+#include	<syslog.h>
+#endif
+
+extern void killprocgroup();
+
+
+int Maildrop::sigfpe;
+
+static RETSIGTYPE sig_fpe(int)
+{
+	maildrop.sigfpe=1;
+	signal (SIGFPE, sig_fpe);
+#if RETSIGTYPE != void
+	return (0);
+#endif
+}
+
+void Maildrop::cleanup()
+{
+	ExitTrap::onexit();
+	killprocgroup();
+}
+
+RETSIGTYPE Maildrop::bye(int n)
+{
+static const char msg[]="maildrop: signal 0x";
+static const char hex[]="0123456789ABCDEF";
+
+	cleanup();
+	if (write(2, msg, sizeof(msg)-1) < 0 ||
+	    write(2, hex+ ((n / 16) & 0x0F), 1) < 0 ||
+	    write(2, hex+ (n & 0x0F), 1) < 0 ||
+	    write(2, "\n", 1) < 0)
+		; /* gcc shut up */
+
+	_exit(EX_TEMPFAIL);
+
+#if RETSIGTYPE != void
+	return (0);
+#endif
+}
+
+int Maildrop::trap(int (*func)(int, char *[]), int argc, char *argv[])
+{
+int	n;
+
+	for (n=0; n<NSIG; n++)
+		signal(n, bye);
+	signal(SIGPIPE, SIG_IGN);
+#ifdef SIGWINCH
+	signal(SIGWINCH, SIG_IGN);
+#endif
+	signal(SIGCHLD, SIG_DFL);
+	signal(SIGFPE,  sig_fpe);
+
+#if SYSLOG_LOGGING
+	openlog("maildrop", LOG_PID, LOG_MAIL);
+#endif
+
+	try
+	{
+	int	r=(*func)(argc, argv);
+
+		cleanup();
+		return (r);
+	}
+	catch (const char *p)
+	{
+		merr << argv[0] << ": " << p << "\n";
+#if SYSLOG_LOGGING
+		syslog(LOG_INFO, p);
+#endif
+		cleanup();
+		return (EX_TEMPFAIL);
+	}
+#if NEED_NONCONST_EXCEPTIONS
+	catch (char *p)
+	{
+		merr << argv[0] << ": " << p << "\n";
+#if SYSLOG_LOGGING
+		syslog(LOG_INFO, p);
+#endif
+		cleanup();
+		return (EX_TEMPFAIL);
+	}
+#endif
+	catch (int n)
+	{
+		cleanup();
+		return (n);
+	}
+	catch (...)
+	{
+		merr << argv[0] << ": Internal error.\n";
+#if SYSLOG_LOGGING
+		syslog(LOG_INFO, "Internal error.");
+#endif
+		cleanup();
+		return (EX_TEMPFAIL);
+	}
+}