/* Extended regular expression matching and search library.
- Copyright (C) 2002-2012 Free Software Foundation, Inc.
+ Copyright (C) 2002-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
#include <string.h>
#include <langinfo.h>
-#ifndef _LIBC
-# include "localcharset.h"
-#endif
#include <locale.h>
#include <wchar.h>
#include <wctype.h>
#include <stdbool.h>
#include <stdint.h>
-#if defined _LIBC
+
+#ifdef _LIBC
# include <bits/libc-lock.h>
+# define lock_define(name) __libc_lock_define (, name)
+# define lock_init(lock) (__libc_lock_init (lock), 0)
+# define lock_fini(lock) 0
+# define lock_lock(lock) __libc_lock_lock (lock)
+# define lock_unlock(lock) __libc_lock_unlock (lock)
+#elif defined GNULIB_LOCK
+# include "glthread/lock.h"
+ /* Use gl_lock_define if empty macro arguments are known to work.
+ Otherwise, fall back on less-portable substitutes. */
+# if ((defined __GNUC__ && !defined __STRICT_ANSI__) \
+ || (defined __STDC_VERSION__ && 199901L <= __STDC_VERSION__))
+# define lock_define(name) gl_lock_define (, name)
+# elif USE_POSIX_THREADS
+# define lock_define(name) pthread_mutex_t name;
+# elif USE_PTH_THREADS
+# define lock_define(name) pth_mutex_t name;
+# elif USE_SOLARIS_THREADS
+# define lock_define(name) mutex_t name;
+# elif USE_WINDOWS_THREADS
+# define lock_define(name) gl_lock_t name;
+# else
+# define lock_define(name)
+# endif
+# define lock_init(lock) glthread_lock_init (&(lock))
+# define lock_fini(lock) glthread_lock_destroy (&(lock))
+# define lock_lock(lock) glthread_lock_lock (&(lock))
+# define lock_unlock(lock) glthread_lock_unlock (&(lock))
+#elif defined GNULIB_PTHREAD
+# include <pthread.h>
+# define lock_define(name) pthread_mutex_t name;
+# define lock_init(lock) pthread_mutex_init (&(lock), 0)
+# define lock_fini(lock) pthread_mutex_destroy (&(lock))
+# define lock_lock(lock) pthread_mutex_lock (&(lock))
+# define lock_unlock(lock) pthread_mutex_unlock (&(lock))
#else
-# define __libc_lock_define(CLASS,NAME)
-# define __libc_lock_init(NAME) do { } while (0)
-# define __libc_lock_lock(NAME) do { } while (0)
-# define __libc_lock_unlock(NAME) do { } while (0)
+# define lock_define(name)
+# define lock_init(lock) 0
+# define lock_fini(lock) ((void) 0)
+ /* The 'dfa' avoids an "unused variable 'dfa'" warning from GCC. */
+# define lock_lock(lock) ((void) dfa)
+# define lock_unlock(lock) ((void) 0)
#endif
/* In case that the system doesn't have isblank(). */
# define gettext_noop(String) String
#endif
-#if (defined MB_CUR_MAX && HAVE_WCTYPE_H && HAVE_ISWCTYPE && HAVE_WCSCOLL) || _LIBC
+#if (defined MB_CUR_MAX && HAVE_WCTYPE_H && HAVE_ISWCTYPE) || _LIBC
# define RE_ENABLE_I18N
#endif
/* Rename to standard API for using out of glibc. */
#ifndef _LIBC
+# undef __wctype
+# undef __iswctype
# define __wctype wctype
# define __iswctype iswctype
# define __btowc btowc
# define attribute_hidden
#endif /* not _LIBC */
-#if __GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
-# define __attribute(arg) __attribute__ (arg)
-#else
-# define __attribute(arg)
+#if __GNUC__ < 3 + (__GNUC_MINOR__ < 1)
+# define __attribute__(arg)
#endif
typedef __re_idx_t Idx;
static void re_string_translate_buffer (re_string_t *pstr) internal_function;
static unsigned int re_string_context_at (const re_string_t *input, Idx idx,
int eflags)
- internal_function __attribute ((pure));
+ internal_function __attribute__ ((pure));
#endif
#define re_string_peek_byte(pstr, offset) \
((pstr)->mbs[(pstr)->cur_idx + offset])
#define re_string_skip_bytes(pstr,idx) ((pstr)->cur_idx += (idx))
#define re_string_set_index(pstr,idx) ((pstr)->cur_idx = (idx))
-#include <alloca.h>
+#if defined _LIBC || HAVE_ALLOCA
+# include <alloca.h>
+#endif
#ifndef _LIBC
# if HAVE_ALLOCA
#ifdef DEBUG
char* re_str;
#endif
- __libc_lock_define (, lock)
+ lock_define (lock)
};
#define re_node_set_init_empty(set) memset (set, '\0', sizeof (re_node_set))
memcpy (dest, src, sizeof (bitset_t));
}
-static void
+static void __attribute__ ((unused))
bitset_not (bitset_t set)
{
int bitset_i;
& ~set[BITSET_WORDS - 1]);
}
-static void
+static void __attribute__ ((unused))
bitset_merge (bitset_t dest, const bitset_t src)
{
int bitset_i;
dest[bitset_i] |= src[bitset_i];
}
-static void
+static void __attribute__ ((unused))
bitset_mask (bitset_t dest, const bitset_t src)
{
int bitset_i;
#ifdef RE_ENABLE_I18N
/* Functions for re_string. */
static int
-internal_function __attribute ((pure))
+internal_function __attribute__ ((pure, unused))
re_string_char_size_at (const re_string_t *pstr, Idx idx)
{
int byte_idx;
}
static wint_t
-internal_function __attribute ((pure))
+internal_function __attribute__ ((pure, unused))
re_string_wchar_at (const re_string_t *pstr, Idx idx)
{
if (pstr->mb_cur_max == 1)
# ifndef NOT_IN_libc
static int
-internal_function __attribute ((pure))
+internal_function __attribute__ ((pure, unused))
re_string_elem_size_at (const re_string_t *pstr, Idx idx)
{
# ifdef _LIBC