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Date: Sun, 20 Jan 2002 16:25:00 -0000
From: Andrew Cagney <ac131313@cygnus.com>
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To: Jim Blandy <jimb@cygnus.com>,
	Fernando Nasser <fnasser@redhat.com>
Cc: gdb-patches@sources.redhat.com
Subject: Re: RFA: force output at predictable points in ending-run.c
References: <20020112065251.549665E9D8@zwingli.cygnus.com>
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> 2002-01-12  Jim Blandy  <jimb@redhat.com>
> 
> * gdb.base/ending-run.c (main): Avoid messing with setvbuf; just
> 	call `fflush' after every `printf', so that the output is produced
> 	at predictable points, regardless of whatever buffering does (or
> 	doesn't) take place.
> 	* gdb.base/ending-run.exp: Adjust tests to expect output to appear
> 	at different points.
> 
> Index: gdb/testsuite/gdb.base/ending-run.c
> ===================================================================
> RCS file: /cvs/cvsfiles/devo/gdb/testsuite/gdb.base/ending-run.c,v
> retrieving revision 1.4
> diff -c -r1.4 ending-run.c
> *** gdb/testsuite/gdb.base/ending-run.c	2001/09/18 17:50:36	1.4
> --- gdb/testsuite/gdb.base/ending-run.c	2002/01/12 06:47:54
> ***************
> *** 22,33 ****
>       int i;
>   
>       p = (int *) malloc( 4 );
> !     setvbuf (stdout, alloca (64), _IOLBF, 64);
>       for (i = 1; i < 10; i++)
>           {
>               printf( "%d ", callee( i ));
> !             
>           }
> !     printf( " Goodbye!\n" );
>       return 0;
>   }
> --- 22,33 ----
>       int i;
>   
>       p = (int *) malloc( 4 );
> ! 
>       for (i = 1; i < 10; i++)
>           {
>               printf( "%d ", callee( i ));
> !             fflush (stdout);
>           }
> !     printf( " Goodbye!\n" ); fflush (stdout);
>       return 0;
>   }
> Index: gdb/testsuite/gdb.base/ending-run.exp
> ===================================================================
> RCS file: /cvs/cvsfiles/devo/gdb/testsuite/gdb.base/ending-run.exp,v
> retrieving revision 1.23
> diff -c -r1.23 ending-run.exp
> *** gdb/testsuite/gdb.base/ending-run.exp	2001/11/10 22:27:26	1.23
> --- gdb/testsuite/gdb.base/ending-run.exp	2002/01/12 06:47:54
> ***************
> *** 129,138 ****
>   # See if we can step out with control.  The "1 2 3" stuff
>   # is output from the program.
>   #
> ! gdb_test "cont" ".*Breakpoint.*31.*"
>   
>   if ![gdb_skip_stdio_test "Step to return"] {
> !     gdb_test "next" ".*1 2 7 14 23 34 47 62 79  Goodbye!.*32.*" \
>   	    "Step to return"
>   } else {
>       gdb_test "next" "" ""
> --- 129,138 ----
>   # See if we can step out with control.  The "1 2 3" stuff
>   # is output from the program.
>   #
> ! gdb_test "cont" ".*1 2 7 14 23 34 47 62 79.*Breakpoint.*31.*"
>   
>   if ![gdb_skip_stdio_test "Step to return"] {
> !     gdb_test "next" ".*Goodbye!.*32.*" \
>   	    "Step to return"
>   } else {
>       gdb_test "next" "" ""
> 
>