Re: [Groff] checking if groff was called with -U

[Larry Kollar]

Dorai Sitaram wrote:

> Is there a way to check from the input text if groff was called in
> unsafe mode?

Do you mean like a read-only register? I don't see one documented.
I think there *should* be one, so here's a patch to 
src/roff/troff/input.cpp
that creates a read-only register \n[.U]. It returns 1 in safe mode or 
0 in
unsafe mode.

--- input.cpp.orig      Mon Apr 26 21:48:04 2004
+++ input.cpp   Mon Apr 26 21:50:37 2004
@@ -7336,6 +7336,7 @@
   number_reg_dictionary.define(".g", new constant_reg("1"));
   number_reg_dictionary.define(".H", new 
constant_int_reg(&hresolution));
   number_reg_dictionary.define(".R", new constant_reg("10000"));
+  number_reg_dictionary.define(".U", new 
constant_int_reg(&safer_flag));
   number_reg_dictionary.define(".V", new 
constant_int_reg(&vresolution));
   number_reg_dictionary.define(".warn", new 
constant_int_reg(&warning_mask));
   extern const char *major_version;

Hope that helps!

--
Larry Kollar     k  o  l  l  a  r  @  a  l  l  t  e  l  .  n  e  t
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