/* Shell quoting. Copyright (C) 2001-2002 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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. */ 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);