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at/at-3.1.8-t_option.patch
Marcela Mašláňová 8dcad9baf3 Clean up cvs
2007-07-04 13:55:26 +00:00

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--- at-3.1.10/at.c.t_option 2007-07-04 11:12:10.000000000 +0200
+++ at-3.1.10/at.c 2007-07-04 11:13:19.000000000 +0200
@@ -396,8 +396,9 @@
unsigned int i;
for (i = 0; i < sizeof(no_export) / sizeof(no_export[0]); i++) {
export = export
- && (strncmp(*atenv, no_export[i],
- (size_t) (eqp - *atenv)) != 0);
+ && ( (((size_t) (eqp - *atenv)) != strlen(no_export[i]))
+ ||(strncmp(*atenv, no_export[i],(size_t) (eqp - *atenv)) != 0)
+ );
}
eqp++;
}
@@ -752,6 +753,102 @@
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 = -1;
+ t = mktime(&tm);
+ return t;
+ } else
+ return 0L;
+}
+
+
+
int
main(int argc, char **argv)
{
@@ -761,9 +858,9 @@
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;
@@ -866,7 +963,9 @@
program = CAT;
options = "";
break;
-
+ case 't':
+ timer = t_option(optarg);
+ break;
default:
usage();
break;
@@ -923,10 +1022,12 @@
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) {
@@ -955,10 +1056,12 @@
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);
--- at-3.1.10/at.1.in.t_option 2007-07-04 11:12:10.000000000 +0200
+++ at-3.1.10/at.1.in 2007-07-04 11:12:10.000000000 +0200
@@ -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... ]
@@ -32,8 +42,7 @@
and
.B batch
read commands from standard input or a specified file which are to
-be executed at a later time, using
-.BR /bin/sh .
+be executed at a later time.
.TP 8
.BR at
executes commands at a specified time.
@@ -227,6 +236,63 @@
.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 ENVIRONMENT
+.P
+.TP 8
+.B SHELL
+The value of the SHELL environment variable at the time of
+.B at
+invocation will determine which shell is used to execute the
+.B at
+job commands. If SHELL is unset when
+.B at
+is invoked, the user's login shell will be used; otherwise,
+if SHELL is set when
+.B at
+is invoked, it must contain the path of a shell interpreter
+executable that will be used to run the commands at the specified time.
+.P
+.B at
+will record the values of
+environment variables present at time of
+.B at
+invocation. When the commands are run at the specified time,
+.B at
+will restore these variables to their recorded values .
+These variables are excluded from this processing and are never
+set by
+.B at
+when the commands are run :
+.br
+.BI TERM,
+.BI DISPLAY,
+.BI SHELLOPTS,
+.BI _,
+.BI PPID,
+.BI BASH_VERSINFO,
+.BI EUID,
+.BI UID,
+.BI GROUPS.
+.br
+If the user submitting the
+.B at
+job is not the super-user, variables that alter the behaviour of the
+loader
+.BR ld.so(8),
+such as
+.B LD_LIBRARY_PATH
+, cannot be recorded and restored by
+.B at .
+.P
.SH FILES
.I @ATJBD@
.br
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