2 Copyright (C) 2001-2002, 2004, 2009-2016 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 3 of the License, or
8 (at your option) any later version.
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, see <http://www.gnu.org/licenses/>. */
21 /* When passing a command to a shell, we must quote the program name and
22 arguments, since Unix shells interpret characters like " ", "'", "<", ">",
23 "$", '*', '?' etc. in a special way. */
31 /* Returns the number of bytes needed for the quoted string. */
32 extern size_t shell_quote_length (const char *string);
34 /* Copies the quoted string to p and returns the incremented p.
35 There must be room for shell_quote_length (string) + 1 bytes at p. */
36 extern char * shell_quote_copy (char *p, const char *string);
38 /* Returns the freshly allocated quoted string. */
39 extern char * shell_quote (const char *string);
41 /* Returns a freshly allocated string containing all argument strings, quoted,
42 separated through spaces. */
43 extern char * shell_quote_argv (char * const *argv);
49 #endif /* _SH_QUOTE_H */