[Bug-indent] indent mangles trigraphs

[anton . peters]

L.S.:

Indent destroys trigraphs, like:
"??(" for '[' and "??)" for '] ',
by putting spaces before the question marks and opening parenthesis.
I need trigraphs because OS/390 doesn't know brackets.

e.g.:
===================================================================
$ cat tstf3.c
{
    MQCHAR cChannelName??(MQ_CHANNEL_NAME_LENGTH + 1??) = "\0";

    pUAS = (UserAreaStruct *) & (ChannelDef_ptr->SecurityUserData??(0??));
}

$ indent -gnu tstf3.c
$ cat tstf3.c
{
  MQCHAR cChannelName ? ? (MQ_CHANNEL_NAME_LENGTH + 1 ? ?) = "\0";

  pUAS = (UserAreaStruct *) & (ChannelDef_ptr->SecurityUserData ? ? (0 ? ?));
}


$ cat $tstf3b.c
{
    MQCHAR cChannelName??(MQ_CHANNEL_NAME_LENGTH + 1??) = "\0";

    pUAS = (UserAreaStruct *) & (ChannelDef_ptr->SecurityUserData??(0??));
}

$ indent -bap -bad -bli0 -nbc -npsl -di1 -i4 -ci4 -npcs -ss -c40 -cd40 -cp1 
-ts4 -sob -nlp tstf3b.c
$ cat tstf3b.c
{
 MQCHAR cChannelName ? ? (MQ_CHANNEL_NAME_LENGTH + 1 ? ?) = "\0";

 pUAS =
   (UserAreaStruct *) & (ChannelDef_ptr->SecurityUserData ? ? (0 ? ?));
}
===============================================================================

Can you specify which option (if any) touches the '?'s ?  Apparently it is
not "-pcs" which is part of "-gnu" and that puts a space between a function
call name and the '(' : because in my second example I specify "-npcs" with
the same results.

BTW we use GNU indent here because we have a wide range of different
platforms, and each vendor's tool works a bit differently; so we try using
one that is portable.

Thanx,

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