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Date: Mon, 14 Apr 2003 22:44:23 -0400
To: cygwin AT cygwin DOT com
From: "Pierre A. Humblet" <Pierre DOT Humblet AT ieee DOT org>
Subject: Crontab on Win9X works 
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Corinna,

The attached patch modifies crontab.c to let cron run as it
should on Win9x.

The change in env.c reverts to ignoring the daemon environment, 
on Win9x only.
USE_SIGCHLD is now left undefined in compat.h to get
rid of a syslog message about the mail command failing.
 
In addition I would like to allow the use of mailers other
than ssmtp while preserving current installations.
This is done by patching compat.h to remove
#define _PATH_SENDMAIL  "/usr/sbin/ssmtp"
and patching /etc/postinstall/cron.sh to
ln -s /usr/sbin/ssmtp.exe /usr/sbin/sendmail
Users are free to point /usr/sbin/sendmail as they wish.

Pierre

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--- crontab.c.orig	2001-09-19 13:09:56.000000000 -0400
+++ crontab.c	2003-04-14 20:19:50.000000000 -0400
@@ -694,6 +694,17 @@ poke_daemon() {
 		return;
 	}
 #else
+#ifdef __CYGWIN__
+        if (GetVersion() & 0x80000000) {
+		if (utime(SYSCRONTAB, NULL) < OK && 
+		    (errno !=3D ENOENT || 
+		     open(SYSCRONTAB, O_RDONLY | O_CREAT, 0644) < 0))=
 {
+			fprintf(stderr, "crontab: can't update mtime on=
 crontab\n");
+			perror(SYSCRONTAB);
+		}
+		return;
+	}
+#endif
 	if (utime(SPOOL_DIR, NULL) < OK) {
 		fprintf(stderr, "crontab: can't update mtime on spooldir\n");
 		perror(SPOOL_DIR);
--- env.c.orig	2002-07-05 05:56:22.000000000 -0400
+++ env.c	2003-04-14 19:50:16.000000000 -0400
@@ -59,14 +59,14 @@ env_init()
 {
 #ifdef __CYGWIN__
 	static char **int_env_copy();
-	return int_env_copy(environ, cyg_exclude);
-#else
+        if ((GetVersion() & 0x80000000) =3D=3D 0)
+		return int_env_copy(environ, cyg_exclude);
+#endif
 	register char	**p =3D (char **) malloc(sizeof(char **));
 
 	if (p)
 		p[0] =3D NULL;
 	return (p);
-#endif
 }
 
 
--- compat.h.orig	2001-06-07 12:11:28.000000000 -0400
+++ compat.h	2003-04-14 22:00:24.000000000 -0400
@@ -113,7 +113,8 @@
 # define HAVE_SAVED_UIDS
 #endif
 
-#if !defined(ATT) && !defined(__linux) && !defined(IRIX) &&=
 !defined(UNICOS)
+#if !defined(ATT) && !defined(__linux) && !defined(IRIX) && \
+        !defined(UNICOS) && !defined(__CYGWIN__)
 # define USE_SIGCHLD
 #endif
 
@@ -148,7 +149,7 @@
 #endif
 
 #if defined(__CYGWIN__)
-#define _PATH_SENDMAIL	"/usr/sbin/ssmtp"
+#include <windows.h>
 #define CRONDIR		"/var/cron"
 #define _PATH_VARRUN	"/var/run/"
 #endif
--- cron.sh.done	2003-04-11 15:43:12.000000000 -0400
+++ cron.sh	2003-04-14 20:32:04.000000000 -0400
@@ -13,3 +13,12 @@ then
   mkdir /var/cron/tabs
 fi
 chmod 1777 /var/cron/tabs
+
+if [ ! -d /usr/sbin ]
+then
+  mkdir -p /usr/sbin
+fi
+if [ ! -e /usr/sbin/sendmail -a ! -L /usr/sbin/sendmail ]
+then
+  ln -s /usr/sbin/ssmtp.exe /usr/sbin/sendmail
+fi


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