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This file is return.def, from which is created return.c.
It implements the builtin "return" in Bash.
Copyright (C) 1987-2003 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
Bash is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with Bash; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
$PRODUCES return.c
$BUILTIN return
$FUNCTION return_builtin
$SHORT_DOC return [n]
Causes a function to exit with the return value specified by N. If N
is omitted, the return status is that of the last command.
$END
#include <config.h>
#if defined (HAVE_UNISTD_H)
# ifdef _MINIX
# include <sys/types.h>
# endif
# include <unistd.h>
#endif
#include "../bashintl.h"
#include "../shell.h"
#include "common.h"
extern int last_command_exit_value;
extern int subshell_environment;
extern int return_catch_flag, return_catch_value;
/* If we are executing a user-defined function then exit with the value
specified as an argument. if no argument is given, then the last
exit status is used. */
int
return_builtin (list)
WORD_LIST *list;
{
return_catch_value = get_exitstat (list);
if (return_catch_flag)
longjmp (return_catch, 1);
else
{
builtin_error (_("can only `return' from a function or sourced script"));
return (EXECUTION_FAILURE);
}
}
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