system_cmds-431.tar.gz

[apple/system_cmds.git] / at.tproj / at.c

diff --git a/at.tproj/at.c b/at.tproj/at.c
index 48b159938bbb6a423a29b9aceac69bf134decd72..fabb9e28fd01aabc013d175bf5e474535333f017 100644 (file)
--- a/at.tproj/at.c
+++ b/at.tproj/at.c
@@ -229,6 +229,7 @@ writefile(time_t runtimer, char queue)
     int ch;
     mode_t cmask;
     struct flock lock;
+    char * oldpwd_str = NULL;
     
 #ifdef __FreeBSD__
     (void) setlocale(LC_TIME, "");
@@ -368,11 +369,19 @@ writefile(time_t runtimer, char queue)
        else
        {
            size_t i;
-           for (i=0; i<sizeof(no_export)/sizeof(no_export[0]); i++)
-           {
-               export = export
-                   && (strncmp(*atenv, no_export[i], 
+
+           if(strncmp(*atenv, "OLDPWD", (size_t) (eqp-*atenv)) == 0) {
+               oldpwd_str = *atenv;
+           }
+           if (!posixly_correct) {
+               /* Test 891 expects TERM, etc. to show up in "at" env
+                  so exclude them only when not posixly_correct */
+               for (i=0; i<sizeof(no_export)/sizeof(no_export[0]); i++)
+               {
+                   export = export
+                       && (strncmp(*atenv, no_export[i], 
                                (size_t) (eqp-*atenv)) != 0);
+               }
            }
            eqp++;
        }
@@ -429,6 +438,15 @@ writefile(time_t runtimer, char queue)
     fprintf(fp, " || {\n\t echo 'Execution directory "
                "inaccessible' >&2\n\t exit 1\n}\n");
 
+    /* Put OLDPWD back, since the cd has set it        */
+    /* Although this is added to fix conformance test at.ex 891, it seems like */
+    /* the right thing to do always, so the code is not posix_pedantic only    */
+    if (oldpwd_str) {
+           fprintf(fp, "%s; export OLDPWD\n", oldpwd_str);
+    } else {
+           fprintf(fp, "unset OLDPWD\n");
+    }
+
     while((ch = getchar()) != EOF)
        fputc(ch, fp);
 
@@ -769,6 +787,8 @@ main(int argc, char **argv)
     timer = -1;
     RELINQUISH_PRIVS
 
+    if (argv[0] == NULL) 
+       usage();
     /* Eat any leading paths
      */
     if ((pgm = strrchr(argv[0], '/')) == NULL)