Re: [BUGS] Bug #756: suggestion: file with password instead

Bruce Momjian <pgman@candle.pha.pa.us>

From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: PostgreSQL-patches <pgsql-patches@postgresql.org>
Date: 2002-09-06T02:32:40Z
Lists: pgsql-bugs

Attachments

OK, changes made.  The pasting wasn't my idea but was there as part of
the original source:

	sprintf(psqlrc, "%s/.psqlrc-" PG_VERSION, home);

I thought that was the way to do it so I propogated it consistenly.

No unpropoaged.  Thanks for the code review.

---------------------------------------------------------------------------

Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > + #define PSQLHISTORY	"/.psql_history"
> > ...
> > !             char       *psql_history = (char *) malloc(strlen(home) +
> > !                                                 strlen(PSQLHISTORY) + 1);
>   
> > !                 sprintf(psql_history, "%s" PSQLHISTORY, home);
> 
> This seems like a really ugly coding practice.  The sprintf is hard to
> read and absolutely dependent on the assumption that PSQLHISTORY
> contains no %.  I'd suggest this pattern:
> 
> #define PSQLHISTORY    ".psql_history"
> > ...
> > !             char       *psql_history = (char *) malloc(strlen(home) +
> > !                                                 strlen(PSQLHISTORY) + 2);
>   
> > !                 sprintf(psql_history, "%s/%s", home, PSQLHISTORY);
> 
> as being easier to read and safer.
> 
> In PasswordFromFile():
> 
> > +     /* Look for it in the home dir */
> > +     home = getenv("HOME");
> > +     if (home)
> > +     {
> > +         pgpassfile = malloc(strlen(home) + strlen(PGPASSFILE) + 1);
> > +         if (!pgpassfile)
> > +         {
> > +             fprintf(stderr, gettext("%s: out of memory\n"), pset.progname);
> > +             exit(EXIT_FAILURE);
> > +         }
> > +     }
> > +     else
> > +         return NULL;
> 
> libpq has no business calling exit().  How about just "return NULL" like
> all the other failure cases in that routine?
> 
> 			regards, tom lane
> 
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> 

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