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Bash-4.4 patch 14

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This commit is contained in:
Chet Ramey
2018-01-29 16:03:47 -05:00
parent 1aef9c7b55
commit 2fb21d75bf
2 changed files with 17 additions and 4 deletions
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19
execute_cmd.c
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@@ -726,6 +726,8 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
{
ofifo = num_fifos ();
ofifo_list = copy_fifo_list ((int *)&osize);
begin_unwind_frame ("internal_fifos");
add_unwind_protect (xfree, ofifo_list);
saved_fifo = 1;
}
else
@@ -741,7 +743,10 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
dispose_exec_redirects ();
#if defined (PROCESS_SUBSTITUTION)
if (saved_fifo)
free ((void *)ofifo_list);
{
free ((void *)ofifo_list);
discard_unwind_frame ("internal_fifos");
}
#endif
return (last_command_exit_value = EXECUTION_FAILURE);
}
@@ -1060,6 +1065,7 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
if (nfifo > ofifo)
close_new_fifos ((char *)ofifo_list, osize);
free ((void *)ofifo_list);
discard_unwind_frame ("internal_fifos");
}
#endif
@@ -4977,9 +4983,14 @@ execute_builtin_or_function (words, builtin, var, redirects,
char *ofifo_list;
#endif
#if defined (PROCESS_SUBSTITUTION)
#if defined (PROCESS_SUBSTITUTION)
begin_unwind_frame ("saved_fifos");
/* If we return, we longjmp and don't get a chance to restore the old
fifo list, so we add an unwind protect to free it */
ofifo = num_fifos ();
ofifo_list = copy_fifo_list (&osize);
if (ofifo_list)
add_unwind_protect (xfree, ofifo_list);
#endif
if (do_redirections (redirects, RX_ACTIVE|RX_UNDOABLE) != 0)
@@ -5063,7 +5074,9 @@ execute_builtin_or_function (words, builtin, var, redirects,
nfifo = num_fifos ();
if (nfifo > ofifo)
close_new_fifos (ofifo_list, osize);
free (ofifo_list);
if (ofifo_list)
free (ofifo_list);
discard_unwind_frame ("saved_fifos");
#endif
return (result);