1 files changed, 82 insertions, 0 deletions
diff --git a/src/search.h b/src/search.h
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index 0000000..7dc1940
--- /dev/null
+++ b/src/search.h
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+/* search.c - searching subroutines using dfa, kwset and regex for grep.
+   Copyright 1992, 1998, 2000, 2007, 2009-2016 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, 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.  */
+
+#ifndef GREP_SEARCH_H
+#define GREP_SEARCH_H 1
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <stdint.h>
+#include <wchar.h>
+#include <wctype.h>
+#include <regex.h>
+
+#include "system.h"
+#include "error.h"
+#include "grep.h"
+#include "dfa.h"
+#include "kwset.h"
+#include "xalloc.h"
+
+_GL_INLINE_HEADER_BEGIN
+#ifndef SEARCH_INLINE
+# define SEARCH_INLINE _GL_INLINE
+#endif
+
+/* This must be a signed type.  Each value is the difference in the size
+   of a character (in bytes) induced by converting to lower case.
+   The vast majority of values are 0, but a few are 1 or -1, so
+   technically, two bits may be sufficient.  */
+typedef signed char mb_len_map_t;
+
+/* searchutils.c */
+extern void kwsinit (kwset_t *);
+
+extern void build_mbclen_cache (void);
+extern size_t mbclen_cache[];
+extern ptrdiff_t mb_goback (char const **, char const *, char const *);
+extern wint_t mb_prev_wc (char const *, char const *, char const *);
+extern wint_t mb_next_wc (char const *, char const *);
+
+/* dfasearch.c */
+extern void GEAcompile (char const *, size_t, reg_syntax_t);
+extern size_t EGexecute (char *, size_t, size_t *, char const *);
+
+/* kwsearch.c */
+extern void Fcompile (char const *, size_t);
+extern size_t Fexecute (char *, size_t, size_t *, char const *);
+
+/* pcresearch.c */
+extern void Pcompile (char const *, size_t);
+extern size_t Pexecute (char *, size_t, size_t *, char const *);
+
+/* Return the number of bytes in the character at the start of S, which
+   is of size N.  N must be positive.  MBS is the conversion state.
+   This acts like mbrlen, except it returns 1 when mbrlen would return 0,
+   and it is typically faster because of the cache.  */
+SEARCH_INLINE size_t
+mb_clen (char const *s, size_t n, mbstate_t *mbs)
+{
+  size_t len = mbclen_cache[to_uchar (*s)];
+  return len == (size_t) -2 ? mbrlen (s, n, mbs) : len;
+}
+
+_GL_INLINE_HEADER_END
+
+#endif /* GREP_SEARCH_H */