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diff --git a/lib/wordsplit.h b/lib/wordsplit.h
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+++ b/lib/wordsplit.h
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+/* wordsplit - a word splitter
+ Copyright (C) 2009-2013 Free Software Foundation, Inc.
+
+ 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 .
+
+ Written by Sergey Poznyakoff
+*/
+
+#ifndef __WORDSPLIT_H
+#define __WORDSPLIT_H
+
+#include
+
+struct wordsplit
+{
+ size_t ws_wordc;
+ char **ws_wordv;
+ size_t ws_offs;
+ size_t ws_wordn;
+ int ws_flags;
+ const char *ws_delim;
+ const char *ws_comment;
+ const char *ws_escape;
+ void (*ws_alloc_die) (struct wordsplit * wsp);
+ void (*ws_error) (const char *, ...)
+ __attribute__ ((__format__ (__printf__, 1, 2)));
+ void (*ws_debug) (const char *, ...)
+ __attribute__ ((__format__ (__printf__, 1, 2)));
+
+ const char **ws_env;
+ const char *(*ws_getvar) (const char *, size_t, void *);
+ void *ws_closure;
+
+ const char *ws_input;
+ size_t ws_len;
+ size_t ws_endp;
+ int ws_errno;
+ struct wordsplit_node *ws_head, *ws_tail;
+};
+
+/* Wordsplit flags. Only 2 bits of a 32-bit word remain unused.
+ It is getting crowded... */
+/* Append the words found to the array resulting from a previous
+ call. */
+#define WRDSF_APPEND 0x00000001
+/* Insert we_offs initial NULLs in the array ws_wordv.
+ (These are not counted in the returned ws_wordc.) */
+#define WRDSF_DOOFFS 0x00000002
+/* Don't do command substitution. Reserved for future use. */
+#define WRDSF_NOCMD 0x00000004
+/* The parameter p resulted from a previous call to
+ wordsplit(), and wordsplit_free() was not called. Reuse the
+ allocated storage. */
+#define WRDSF_REUSE 0x00000008
+/* Print errors */
+#define WRDSF_SHOWERR 0x00000010
+/* Consider it an error if an undefined shell variable
+ is expanded. */
+#define WRDSF_UNDEF 0x00000020
+
+/* Don't do variable expansion. */
+#define WRDSF_NOVAR 0x00000040
+/* Abort on ENOMEM error */
+#define WRDSF_ENOMEMABRT 0x00000080
+/* Trim off any leading and trailind whitespace */
+#define WRDSF_WS 0x00000100
+/* Handle single quotes */
+#define WRDSF_SQUOTE 0x00000200
+/* Handle double quotes */
+#define WRDSF_DQUOTE 0x00000400
+/* Handle quotes and escape directives */
+#define WRDSF_QUOTE (WRDSF_SQUOTE|WRDSF_DQUOTE)
+/* Replace each input sequence of repeated delimiters with a single
+ delimiter */
+#define WRDSF_SQUEEZE_DELIMS 0x00000800
+/* Return delimiters */
+#define WRDSF_RETURN_DELIMS 0x00001000
+/* Treat sed expressions as words */
+#define WRDSF_SED_EXPR 0x00002000
+/* ws_delim field is initialized */
+#define WRDSF_DELIM 0x00004000
+/* ws_comment field is initialized */
+#define WRDSF_COMMENT 0x00008000
+/* ws_alloc_die field is initialized */
+#define WRDSF_ALLOC_DIE 0x00010000
+/* ws_error field is initialized */
+#define WRDSF_ERROR 0x00020000
+/* ws_debug field is initialized */
+#define WRDSF_DEBUG 0x00040000
+/* ws_env field is initialized */
+#define WRDSF_ENV 0x00080000
+/* ws_getvar field is initialized */
+#define WRDSF_GETVAR 0x00100000
+/* enable debugging */
+#define WRDSF_SHOWDBG 0x00200000
+/* Don't split input into words. Useful for side effects. */
+#define WRDSF_NOSPLIT 0x00400000
+/* Keep undefined variables in place, instead of expanding them to
+ empty string */
+#define WRDSF_KEEPUNDEF 0x00800000
+/* Warn about undefined variables */
+#define WRDSF_WARNUNDEF 0x01000000
+/* Handle C escapes */
+#define WRDSF_CESCAPES 0x02000000
+
+/* ws_closure is set */
+#define WRDSF_CLOSURE 0x04000000
+/* ws_env is a Key/Value environment, i.e. the value of a variable is
+ stored in the element that follows its name. */
+#define WRDSF_ENV_KV 0x08000000
+
+/* ws_escape is set */
+#define WRDSF_ESCAPE 0x10000000
+
+/* Incremental mode */
+#define WRDSF_INCREMENTAL 0x20000000
+
+#define WRDSF_DEFFLAGS \
+ (WRDSF_NOVAR | WRDSF_NOCMD | \
+ WRDSF_QUOTE | WRDSF_SQUEEZE_DELIMS | WRDSF_CESCAPES)
+
+#define WRDSE_EOF 0
+#define WRDSE_QUOTE 1
+#define WRDSE_NOSPACE 2
+#define WRDSE_NOSUPP 3
+#define WRDSE_USAGE 4
+#define WRDSE_CBRACE 5
+#define WRDSE_UNDEF 6
+#define WRDSE_NOINPUT 7
+
+int wordsplit (const char *s, struct wordsplit *p, int flags);
+int wordsplit_len (const char *s, size_t len,
+ struct wordsplit *p, int flags);
+void wordsplit_free (struct wordsplit *p);
+void wordsplit_free_words (struct wordsplit *ws);
+
+int wordsplit_c_unquote_char (int c);
+int wordsplit_c_quote_char (int c);
+size_t wordsplit_c_quoted_length (const char *str, int quote_hex,
+ int *quote);
+void wordsplit_general_unquote_copy (char *dst, const char *src, size_t n,
+ const char *escapable);
+void wordsplit_sh_unquote_copy (char *dst, const char *src, size_t n);
+void wordsplit_c_unquote_copy (char *dst, const char *src, size_t n);
+void wordsplit_c_quote_copy (char *dst, const char *src, int quote_hex);
+
+void wordsplit_perror (struct wordsplit *ws);
+const char *wordsplit_strerror (struct wordsplit *ws);
+
+
+#endif