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/* Shell quoting.
Copyright (C) 2001-2002, 2004 Free Software Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
This program 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.
This program 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 this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* When passing a command to a shell, we must quote the program name and
arguments, since Unix shells interpret characters like " ", "'", "<", ">",
"$" etc. in a special way. */
#include <stddef.h>
/* Returns the number of bytes needed for the quoted string. */
extern size_t shell_quote_length (const char *string);
/* Copies the quoted string to p and returns the incremented p.
There must be room for shell_quote_length (string) + 1 bytes at p. */
extern char * shell_quote_copy (char *p, const char *string);
/* Returns the freshly allocated quoted string. */
extern char * shell_quote (const char *string);
/* Returns a freshly allocated string containing all argument strings, quoted,
separated through spaces. */
extern char * shell_quote_argv (char **argv);
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