Init

usr.etc/cron/funcs.c

@@ -0,0 +1,124 @@
+/*	Copyright (c) 1984 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+/*	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T	*/
+/*	The copyright notice above does not evidence any   	*/
+/*	actual or intended publication of such source code.	*/
+
+#ifndef lint
+static	char sccsid[] = "@(#)funcs.c 1.1 94/10/31 SMI"; /* from S5R3 1.2 */
+#endif
+
+#include <sys/types.h>
+#include <ctype.h>
+#include <stdio.h>
+#include <syslog.h>
+#include <errno.h>
+#include "cron.h"
+
+/*****************/
+FILE *fopen_configfile(name, mode, pathname)
+/*****************/
+char *name, *mode, *pathname;
+{
+	register FILE *fp;
+
+	/*
+	 * Try to open a configuration file; look first in PRIVCONFIGDIR
+	 * (the per-machine configuration directory).
+	 */
+	(void) strcat(strcat(strcpy(pathname,PRIVCONFIGDIR),"/"),name);
+	errno = 0;
+	if ((fp = fopen(pathname, mode)) != NULL)
+		return (fp);
+
+	if (errno != ENOENT)
+		return (NULL);	/* it does exist, you just can't open it */
+	
+	/*
+	 * Now look in COMCONFIGDIR (the shared configuration directory).
+	 */
+	(void) strcat(strcat(strcpy(pathname,COMCONFIGDIR),"/"),name);
+	return (fopen(pathname, mode));
+}
+
+/*****************/
+time_t num(ptr)
+/*****************/
+char **ptr;
+{
+	time_t n=0;
+	while (isdigit(**ptr)) {
+		n = n*10 + (**ptr - '0');
+		*ptr += 1; }
+	return(n);
+}
+
+
+int dom[12]={31,28,31,30,31,30,31,31,30,31,30,31};
+
+/*****************/
+days_btwn(m1,d1,y1,m2,d2,y2)
+/*****************/
+int m1,d1,y1,m2,d2,y2;
+{
+	/* calculate the number of "full" days in between m1/d1/y1 and m2/d2/y2.
+	   NOTE: there should not be more than a year separation in the dates.
+		 also, m should be in 0 to 11, and d should be in 1 to 31.    */
+	
+	int days,m;
+
+	if ((m1==m2) && (d1==d2) && (y1==y2)) return(0);
+	if ((m1==m2) && (d1<d2)) return(d2-d1-1);
+	/* the remaining dates are on different months */
+	days = (days_in_mon(m1,y1)-d1) + (d2-1);
+	m = (m1 + 1) % 12;
+	while (m != m2) {
+		if (m==0) y1++;
+		days += days_in_mon(m,y1);
+		m = (m + 1) % 12; }
+	return(days);
+}
+
+
+/*****************/
+days_in_mon(m,y)
+/*****************/
+int m,y;
+{
+	/* returns the number of days in month m of year y
+	   NOTE: m should be in the range 0 to 11	*/
+
+	return( dom[m] + (((m==1)&&((y%4)==0)) ? 1:0 ));
+}
+
+/*****************/
+char *xmalloc(size)
+/*****************/
+int size;
+{
+	char *p;
+	char *malloc();
+
+	if((p=malloc(size)) == NULL) {
+		syslog(LOG_ERR,"Can't allocate %d bytes of space",size);
+		exit(55);
+	}
+	return p;
+}
+
+/*****************/
+char *errmsg(errnum)
+/*****************/
+int errnum;
+{
+	extern int sys_nerr;
+	extern char *sys_errlist[];
+	static char msgbuf[6+10+1];
+
+	if (errnum < 0 || errnum >= sys_nerr) {
+		(void) sprintf(msgbuf, "Error %d", errnum);
+		return (msgbuf);
+	} else
+		return (sys_errlist[errnum]);
+}