slurping an empty file should return '' rather than undef, with
[p5sagit/p5-mst-13.2.git] / perl.c
diff --git a/perl.c b/perl.c
index c91c960..9d47e22 100644 (file)
--- a/perl.c
+++ b/perl.c
@@ -891,19 +891,25 @@ print \"  \\@INC:\\n    @INC\\n\";");
   switch_end:
 
     if (!PL_tainting && (s = PerlEnv_getenv("PERL5OPT"))) {
-       while (s && *s) {
-           while (isSPACE(*s))
-               s++;
-           if (*s == '-') {
-               s++;
-               if (isSPACE(*s))
-                   continue;
+       while (isSPACE(*s))
+           s++;
+       if (*s == '-' && *(s+1) == 'T')
+           PL_tainting = TRUE;
+       else {
+           while (s && *s) {
+               while (isSPACE(*s))
+                   s++;
+               if (*s == '-') {
+                   s++;
+                   if (isSPACE(*s))
+                       continue;
+               }
+               if (!*s)
+                   break;
+               if (!strchr("DIMUdmw", *s))
+                   croak("Illegal switch in PERL5OPT: -%c", *s);
+               s = moreswitches(s);
            }
-           if (!*s)
-               break;
-           if (!strchr("DIMUdmw", *s))
-               croak("Illegal switch in PERL5OPT: -%c", *s);
-           s = moreswitches(s);
        }
     }