X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fregex_internal.h;h=b599cc1199e92678ba5406f0939a46c888f3cadb;hb=4470580881a7b821b52fb5635102ef3e27aa5af4;hp=b2c44fe18610363f34d7d794a582522fb9e96da2;hpb=8335a4d6c7b4448cd0bcb6d0bebf1d456bcfdb17;p=gnulib.git

diff --git a/lib/regex_internal.h b/lib/regex_internal.h
index b2c44fe18..b599cc119 100644
--- a/lib/regex_internal.h
+++ b/lib/regex_internal.h
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+   Copyright (C) 2002-2011 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
@@ -27,36 +27,25 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <langinfo.h>
 #ifndef _LIBC
-# include "strcase.h"
+# include "localcharset.h"
 #endif
+#include <locale.h>
 
-#if defined HAVE_LANGINFO_H || defined HAVE_LANGINFO_CODESET || defined _LIBC
-# include <langinfo.h>
-#endif
-#if defined HAVE_LOCALE_H || defined _LIBC
-# include <locale.h>
-#endif
-#if defined HAVE_WCHAR_H || defined _LIBC
-# include <wchar.h>
-#endif /* HAVE_WCHAR_H || _LIBC */
-#if defined HAVE_WCTYPE_H || defined _LIBC
-# include <wctype.h>
-#endif /* HAVE_WCTYPE_H || _LIBC */
-#if defined HAVE_STDINT_H || defined _LIBC
-# include <stdint.h>
-#endif /* HAVE_STDINT_H || _LIBC */
+#include <wchar.h>
+#include <wctype.h>
+#include <stdint.h>
 #if defined _LIBC
 # include <bits/libc-lock.h>
 #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)
 #endif
 
 /* In case that the system doesn't have isblank().  */
-#if !defined _LIBC && !defined HAVE_ISBLANK && !defined isblank
+#if !defined _LIBC && ! (defined isblank || (HAVE_ISBLANK && HAVE_DECL_ISBLANK))
 # define isblank(ch) ((ch) == ' ' || (ch) == '\t')
 #endif
 
@@ -92,7 +81,7 @@
 # define SIZE_MAX ((size_t) -1)
 #endif
 
-#if (defined MB_CUR_MAX && HAVE_LOCALE_H && HAVE_WCTYPE_H && HAVE_WCHAR_H && HAVE_WCRTOMB && HAVE_MBRTOWC && HAVE_WCSCOLL) || _LIBC
+#if (defined MB_CUR_MAX && HAVE_WCTYPE_H && HAVE_ISWCTYPE && HAVE_WCSCOLL) || _LIBC
 # define RE_ENABLE_I18N
 #endif
 
@@ -122,10 +111,8 @@
 # define __wctype wctype
 # define __iswctype iswctype
 # define __btowc btowc
-# ifndef __mempcpy
-#  define __mempcpy mempcpy
-# endif
 # define __wcrtomb wcrtomb
+# define __mbrtowc mbrtowc
 # define __regfree regfree
 # define attribute_hidden
 #endif /* not _LIBC */
@@ -172,9 +159,9 @@ typedef unsigned long int bitset_word_t;
    instead, deduce it directly from BITSET_WORD_MAX.  Avoid
    greater-than-32-bit integers and unconditional shifts by more than
    31 bits, as they're not portable.  */
-#if BITSET_WORD_MAX == 0xffffffff
+#if BITSET_WORD_MAX == 0xffffffffUL
 # define BITSET_WORD_BITS 32
-#elif BITSET_WORD_MAX >> 31 >> 5 == 1
+#elif BITSET_WORD_MAX >> 31 >> 4 == 1
 # define BITSET_WORD_BITS 36
 #elif BITSET_WORD_MAX >> 31 >> 16 == 1
 # define BITSET_WORD_BITS 48
@@ -193,10 +180,6 @@ typedef unsigned long int bitset_word_t;
 # if BITSET_WORD_BITS <= SBC_MAX
 #  error "Invalid SBC_MAX"
 # endif
-#elif BITSET_WORD_MAX == (0xffffffff + 2) * 0xffffffff
-/* Work around a bug in 64-bit PGC (before version 6.1-2), where the
-   preprocessor mishandles large unsigned values as if they were signed.  */
-# define BITSET_WORD_BITS 64
 #else
 # error "Add case for new bitset_word_t size"
 #endif
@@ -351,7 +334,7 @@ typedef struct
     Idx idx;			/* for BACK_REF */
     re_context_type ctx_type;	/* for ANCHOR */
   } opr;
-#if __GNUC__ >= 2
+#if __GNUC__ >= 2 && !__STRICT_ANSI__
   re_token_type_t type : 8;
 #else
   re_token_type_t type;
@@ -432,7 +415,7 @@ struct re_dfa_t;
 typedef struct re_dfa_t re_dfa_t;
 
 #ifndef _LIBC
-# ifdef __i386__
+# if defined __i386__ && !defined __EMX__
 #  define internal_function   __attribute ((regparm (3), stdcall))
 # else
 #  define internal_function
@@ -481,6 +464,8 @@ static unsigned int re_string_context_at (const re_string_t *input, Idx idx,
 # else
 /* alloca is implemented with malloc, so just use malloc.  */
 #  define __libc_use_alloca(n) 0
+#  undef alloca
+#  define alloca(n) malloc (n)
 # endif
 #endif
 
@@ -711,7 +696,9 @@ struct re_dfa_t
 #ifdef DEBUG
   char* re_str;
 #endif
+#ifdef _LIBC
   __libc_lock_define (, lock)
+#endif
 };
 
 #define re_node_set_init_empty(set) memset (set, '\0', sizeof (re_node_set))
@@ -863,4 +850,21 @@ re_string_elem_size_at (const re_string_t *pstr, Idx idx)
 }
 #endif /* RE_ENABLE_I18N */
 
+#ifndef __GNUC_PREREQ
+# if defined __GNUC__ && defined __GNUC_MINOR__
+#  define __GNUC_PREREQ(maj, min) \
+         ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+# else
+#  define __GNUC_PREREQ(maj, min) 0
+# endif
+#endif
+
+#if __GNUC_PREREQ (3,4)
+# undef __attribute_warn_unused_result__
+# define __attribute_warn_unused_result__ \
+   __attribute__ ((__warn_unused_result__))
+#else
+# define __attribute_warn_unused_result__ /* empty */
+#endif
+
 #endif /*  _REGEX_INTERNAL_H */