| 1 | This file is source.def, from which is created source.c.
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| 2 | It implements the builtins "." and "source" in Bash.
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| 3 |
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| 4 | Copyright (C) 1987-2003 Free Software Foundation, Inc.
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| 5 |
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| 6 | This file is part of GNU Bash, the Bourne Again SHell.
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| 7 |
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| 8 | Bash is free software; you can redistribute it and/or modify it under
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| 9 | the terms of the GNU General Public License as published by the Free
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| 10 | Software Foundation; either version 2, or (at your option) any later
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| 11 | version.
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| 12 |
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| 13 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY
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| 14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or
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| 15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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| 16 | for more details.
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| 17 |
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| 18 | You should have received a copy of the GNU General Public License along
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| 19 | with Bash; see the file COPYING. If not, write to the Free Software
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| 20 | Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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| 21 |
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| 22 | $PRODUCES source.c
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| 23 |
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| 24 | $BUILTIN source
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| 25 | $FUNCTION source_builtin
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| 26 | $SHORT_DOC source filename [arguments]
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| 27 | Read and execute commands from FILENAME and return. The pathnames
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| 28 | in $PATH are used to find the directory containing FILENAME. If any
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| 29 | ARGUMENTS are supplied, they become the positional parameters when
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| 30 | FILENAME is executed.
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| 31 | $END
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| 32 | $BUILTIN .
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| 33 | $DOCNAME dot
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| 34 | $FUNCTION source_builtin
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| 35 | $SHORT_DOC . filename [arguments]
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| 36 | Read and execute commands from FILENAME and return. The pathnames
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| 37 | in $PATH are used to find the directory containing FILENAME. If any
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| 38 | ARGUMENTS are supplied, they become the positional parameters when
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| 39 | FILENAME is executed.
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| 40 | $END
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| 41 | /* source.c - Implements the `.' and `source' builtins. */
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| 42 |
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| 43 | #include <config.h>
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| 44 |
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| 45 | #include "../bashtypes.h"
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| 46 | #include "posixstat.h"
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| 47 | #include "filecntl.h"
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| 48 | #if ! defined(_MINIX) && defined (HAVE_SYS_FILE_H)
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| 49 | # include <sys/file.h>
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| 50 | #endif
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| 51 | #include <errno.h>
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| 52 |
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| 53 | #if defined (HAVE_UNISTD_H)
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| 54 | # include <unistd.h>
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| 55 | #endif
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| 56 |
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| 57 | #include "../bashansi.h"
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| 58 | #include "../bashintl.h"
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| 59 |
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| 60 | #include "../shell.h"
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| 61 | #include "../flags.h"
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| 62 | #include "../findcmd.h"
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| 63 | #include "common.h"
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| 64 | #include "bashgetopt.h"
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| 65 | #include "../trap.h"
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| 66 |
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| 67 | #if !defined (errno)
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| 68 | extern int errno;
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| 69 | #endif /* !errno */
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| 70 |
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| 71 | #if defined (RESTRICTED_SHELL)
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| 72 | extern int restricted;
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| 73 | #endif
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| 74 |
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| 75 | /* If non-zero, `.' uses $PATH to look up the script to be sourced. */
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| 76 | int source_uses_path = 1;
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| 77 |
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| 78 | /* If non-zero, `.' looks in the current directory if the filename argument
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| 79 | is not found in the $PATH. */
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| 80 | int source_searches_cwd = 1;
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| 81 |
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