2 Copyright (C) 2001-2002, 2004 Free Software Foundation, Inc.
3 Written by Bruno Haible <haible@clisp.cons.org>, 2001.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19 /* When passing a command to a shell, we must quote the program name and
20 arguments, since Unix shells interpret characters like " ", "'", "<", ">",
21 "$" etc. in a special way. */
25 /* Returns the number of bytes needed for the quoted string. */
26 extern size_t shell_quote_length (const char *string
);
28 /* Copies the quoted string to p and returns the incremented p.
29 There must be room for shell_quote_length (string) + 1 bytes at p. */
30 extern char * shell_quote_copy (char *p
, const char *string
);
32 /* Returns the freshly allocated quoted string. */
33 extern char * shell_quote (const char *string
);
35 /* Returns a freshly allocated string containing all argument strings, quoted,
36 separated through spaces. */
37 extern char * shell_quote_argv (char **argv
);