at/at-3.1.8-t_option.patch

--- at-3.1.8/at.1.in-t_option	2004-08-03 17:27:23.458423000 -0400
+++ at-3.1.8/at.1.in	2004-08-03 17:27:43.923938000 -0400
@@ -12,6 +12,16 @@
 .RB [ -mldbv ]
 .B TIME
 .br
+.B at
+.RB [ -V ]
+.RB [ -q 
+.IR queue ]
+.RB [ -f
+.IR file ]
+.RB [ -mldbv ]
+.RB -t
+.IR time_arg
+.br
 .B "at -c"
 .I job
 .RI [ job... ]
@@ -235,6 +245,15 @@
 .B
 \-c
 cats the jobs listed on the command line to standard output.
+.TP
+.BI \-t " time_arg"
+Submit the job to be run at the time specified by the 
+.BI time_arg
+option argument, which must have the same format as specified for the 
+.BR touch(1)
+utility's 
+.B -t
+time option argument ([[CC]YY]MMDDhhmm).
 .SH FILES
 .I @ATJBD@
 .br
--- at-3.1.8/at.c-t_option	2004-08-03 17:27:24.036844000 -0400
+++ at-3.1.8/at.c	2004-08-03 17:27:24.246634000 -0400
@@ -688,6 +688,100 @@
     return p;
 }
 
+/* Handle POSIX.2 '-t' option :
+ *  Parses time string in "touch(1)" format:
+ *       [[CC]YY]MMDDhhmm[.ss]
+ *  and returns time_t .
+ */
+time_t
+t_option(char *s)
+{
+    time_t t=time(0L);
+    struct tm tm, tm_now=*localtime(&t);
+    int l;
+    
+    if((s == 0L) || (*s == '\0'))
+    {
+	return 0L;
+    };
+    memset(&tm,'\0',sizeof(tm));
+    l = strnlen(s,15);
+    switch(l)
+    {
+    case 15:
+	/* CCYYMMDDhhmm.ss */
+	sscanf(s, "%4d%2d%2d%2d%2d.%2d",
+	       &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec
+	      );
+	if(tm.tm_year)
+	    tm.tm_year -= 1900 ;
+
+	break;    
+
+    case 13:
+	/* YYMMDDhhmm.ss */
+	sscanf(s, "%2d%2d%2d%2d%2d.%2d",
+	       &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec
+	      );
+	if(tm.tm_year)
+	    tm.tm_year += 100 ; /* Y2.1K+ bug! */
+
+	break;
+
+    case 11:
+	/* MMDDhhmm.ss */
+	sscanf(s, "%2d%2d%2d%2d.%2d",
+	       &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec
+	      );
+		
+	tm.tm_year = tm_now.tm_year;
+		
+	if(tm.tm_mon)
+	    tm.tm_mon -= 1;				
+	break;
+	
+    case 12:
+	/* CCYYMMDDhhmm */
+	sscanf(s, "%4d%2d%2d%2d%2d",
+	       &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min
+	      );
+	if(tm.tm_year)
+	    tm.tm_year -= 1900 ;
+	break;    
+
+    case 10:
+	/* YYMMDDhhmm */
+	sscanf(s, "%2d%2d%2d%2d%2d",
+	       &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min
+	      );
+	if(tm.tm_year)
+	    tm.tm_year += 100 ; /* Y2.1K+ bug! */
+	break;    
+   
+    case  8:
+	/* MMDDhhmm */
+	sscanf(s, "%2d%2d%2d%2d",
+	       &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min
+	      );
+	if( tm.tm_mday )
+	    tm.tm_year = tm_now.tm_year;
+	break;    
+
+    default:    
+	break;    
+    }
+
+    if( tm.tm_mon )
+	tm.tm_mon -= 1;
+
+    if( tm.tm_mday )
+    {
+	tm.tm_isdst = tm_now.tm_isdst;
+	return mktime(&tm);
+    }else
+	return 0L;
+}
+ 
 int
 main(int argc, char **argv)
 {
@@ -697,9 +791,9 @@
     char *pgm;
 
     int program = AT;		/* our default program */
-    char *options = "q:f:MmvldhVc";	/* default options for at */
+    char *options = "q:f:MmvldhVct:";	/* default options for at */
     int disp_version = 0;
-    time_t timer;
+    time_t timer=0L;
     struct passwd *pwe;
     struct group *ge;
 
@@ -802,6 +896,10 @@
 	    options = "";
 	    break;
 
+	case 't':
+	    timer = t_option(optarg);
+	    break;
+
 	default:
 	    usage();
 	    break;
@@ -838,10 +936,13 @@
 	break;
 
     case AT:
-	if (argc > optind) {
-	    timer = parsetime(argc - optind, argv + optind);
-	} else {
-	    timer = 0;
+	if( timer == 0 )
+	{
+	    if (argc > optind) {
+		timer = parsetime(argc - optind, argv + optind);
+	    } else {
+		timer = 0;
+	    }
 	}
 
 	if (timer == 0) {
@@ -870,16 +971,20 @@
 	    queue = toupper(queue);
 	else
 	    queue = DEFAULT_BATCH_QUEUE;
-
-	if (argc > optind)
-	    timer = parsetime(argc, argv);
-	else
-	    timer = time(NULL);
+	
+	if( timer == 0L )
+	{
+	    if (argc > optind)
+		timer = parsetime(argc, argv);
+	    else
+		timer = time(NULL);
+	}
 
 	if (atverify) {
 	    struct tm *tm = localtime(&timer);
 	    fprintf(stderr, "%s\n", asctime(tm));
 	}
+
 	writefile(timer, queue);
 	break;