pmt: initial 3.0.2 update

include/libgnulib/sh-quote.h

@@ -0,0 +1,58 @@
+/* Shell quoting.
+   Copyright (C) 2001-2002, 2004, 2009-2024 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 3 of the License, 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, see <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SH_QUOTE_H
+#define _SH_QUOTE_H
+
+/* 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.  */
+
+/* This file uses _GL_ATTRIBUTE_MALLOC, _GL_ATTRIBUTE_RETURNS_NONNULL.  */
+#if !_GL_CONFIG_H_INCLUDED
+ #error "Please include config.h first."
+#endif
+
+#include <stdlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* 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 *restrict p, const char *string);
+
+/* Returns the freshly allocated quoted string.  */
+extern char * shell_quote (const char *string)
+  _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
+  _GL_ATTRIBUTE_RETURNS_NONNULL;
+
+/* Returns a freshly allocated string containing all argument strings, quoted,
+   separated through spaces.  */
+extern char * shell_quote_argv (const char * const *argv)
+  _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
+  _GL_ATTRIBUTE_RETURNS_NONNULL;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SH_QUOTE_H */