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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:38:56 +0000 |
commit | 6c20c8ed2cb9ab69a1a57ccb2b9b79969a808321 (patch) | |
tree | f63ce19d57fad3ac4a15bc26dbfbfa2b834111b5 /builtins/return.def | |
parent | Initial commit. (diff) | |
download | bash-upstream/5.2.15.tar.xz bash-upstream/5.2.15.zip |
Adding upstream version 5.2.15.upstream/5.2.15upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'builtins/return.def')
-rw-r--r-- | builtins/return.def | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/builtins/return.def b/builtins/return.def new file mode 100644 index 0000000..03c98eb --- /dev/null +++ b/builtins/return.def @@ -0,0 +1,71 @@ +This file is return.def, from which is created return.c. +It implements the builtin "return" in Bash. + +Copyright (C) 1987-2015 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>. + +$PRODUCES return.c + +$BUILTIN return + +$FUNCTION return_builtin +$SHORT_DOC return [n] +Return from a shell function. + +Causes a function or sourced script to exit with the return value +specified by N. If N is omitted, the return status is that of the +last command executed within the function or script. + +Exit Status: +Returns N, or failure if the shell is not executing a function or script. +$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 "../execute_cmd.h" +#include "common.h" +#include "bashgetopt.h" + +/* 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; +{ + CHECK_HELPOPT (list); + + return_catch_value = get_exitstat (list); + + if (return_catch_flag) + sh_longjmp (return_catch, 1); + else + { + builtin_error (_("can only `return' from a function or sourced script")); + return (EX_USAGE); + } +} |