Re: [HACKERS] new patch - Mailing list pgsql-hackers

From Massimo Dal Zotto
Subject Re: [HACKERS] new patch
Date
Msg-id 199906142055.WAA05143@fandango.cs.unitn.it
Whole thread Raw
In response to Re: [HACKERS] new patch  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: [HACKERS] new patch
List pgsql-hackers
> 
> Massimo Dal Zotto <dz@cs.unitn.it> writes:
> > +             char *progname = rindex(argv[0], SEP_CHAR);
> > +             rl_readline_name = (progname ? progname : argv[0]);
> 
> 1. rindex => strrchr, please.
> 
> 2. Shouldn't that be (progname ? progname+1 : argv[0]) ?
> 
>             regards, tom lane
> 

Yes, I had already added the +1, but for same obscure reason it worked
also with the original code, so I didn't notice the bug in my first test.
I suspect that the readline uses only the basename of the argument.
Ok also for strrchr, this is the final patch:

*** src/bin/psql/psql.c.orig    Sat Jun  5 09:00:38 1999
--- src/bin/psql/psql.c    Mon Jun 14 09:04:15 1999
***************
*** 2875,2880 ****
--- 2875,2887 ----         pqsignal(SIGINT, handle_sigint);        /* control-C => cancel */ #ifdef USE_READLINE
settings.useReadline = 1;
 
+         {
+             /*
+              * Set the application name, used for parsing .inputrc -- dz
+              */
+             char *progname = strrchr(argv[0], SEP_CHAR);
+             rl_readline_name = (progname ? progname+1 : argv[0]);
+         } #endif     } #ifdef PSQL_ALWAYS_GET_PASSWORDS


-- 
Massimo Dal Zotto

+----------------------------------------------------------------------+
|  Massimo Dal Zotto               email: dz@cs.unitn.it               |
|  Via Marconi, 141                phone: ++39-0461534251              |
|  38057 Pergine Valsugana (TN)      www: http://www.cs.unitn.it/~dz/  |
|  Italy                             pgp: finger dz@tango.cs.unitn.it  |
+----------------------------------------------------------------------+


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