regex: drop __<funcname> aliases. remove much of unused code.

shrink offset tables. disable "likely/unlikely" BE() macro.

    text           data     bss     dec     hex filename
- 515032           2731   15424  533187   822c3 lib/libuClibc-0.9.30-svn.so
+ 515014           2731   15424  533169   822b1 lib/libuClibc-0.9.30-svn.so

1 files changed, 25 insertions, 112 deletions

diff --git a/libc/misc/regex/regex.c b/libc/misc/regex/regex.c
index 623a3c6bb..edf02a89d 100644
--- a/libc/misc/regex/regex.c
+++ b/libc/misc/regex/regex.c
@@ -18,80 +18,33 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-/* uClibc addons */
 #include <features.h>
 
 #ifdef __UCLIBC__
-#undef _LIBC
-#define _REGEX_RE_COMP
-#ifdef __USE_GNU
-# define HAVE_MEMPCPY
-#endif
-#define HAVE_LANGINFO
-#define HAVE_LANGINFO_CODESET
-#include <stdbool.h>
-#include <stdint.h>
-#include <string.h>
-#include <stdlib.h>
-#ifdef __UCLIBC_HAS_WCHAR__
-#define RE_ENABLE_I18N
-#include <wchar.h>
-#include <wctype.h>
-
-#define __iswctype iswctype
-#define __wcrtomb wcrtomb
-#define __btowc btowc
-#define __wctype wctype
-/* libc_hidden_proto(wcscoll) */
-/* libc_hidden_proto(wcrtomb) */
-/* libc_hidden_proto(mbrtowc) */
-/* libc_hidden_proto(iswctype) */
-/* libc_hidden_proto(iswlower) */
-/* libc_hidden_proto(iswalnum) */
-/* libc_hidden_proto(towlower) */
-/* libc_hidden_proto(towupper) */
-/* libc_hidden_proto(mbsinit) */
-/* libc_hidden_proto(btowc) */
-/* libc_hidden_proto(wctype) */
-
-#endif
-
-#include <ctype.h>
-#ifdef __UCLIBC_HAS_CTYPE_TABLES__
-#define __toupper toupper
-#define __tolower tolower
-#endif
-#define __mempcpy mempcpy
-#ifdef __UCLIBC_HAS_XLOCALE__
-/* libc_hidden_proto(__ctype_b_loc) */
-/* libc_hidden_proto(__ctype_toupper_loc) */
-#elif defined __UCLIBC_HAS_CTYPE_TABLES__
-/* libc_hidden_proto(__ctype_b) */
-/* libc_hidden_proto(__ctype_toupper) */
-#else
-/* libc_hidden_proto(isascii) */
-#endif
-/* libc_hidden_proto(toupper) */
-/* libc_hidden_proto(tolower) */
-/* Experimentally off - libc_hidden_proto(memcmp) */
-/* Experimentally off - libc_hidden_proto(memcpy) */
-/* Experimentally off - libc_hidden_proto(memmove) */
-/* Experimentally off - libc_hidden_proto(memset) */
-/* Experimentally off - libc_hidden_proto(strchr) */
-/* Experimentally off - libc_hidden_proto(strcmp) */
-/* Experimentally off - libc_hidden_proto(strlen) */
-/* Experimentally off - libc_hidden_proto(strncpy) */
-/* libc_hidden_proto(getenv) */
-/* Experimentally off - libc_hidden_proto(strcasecmp) */
-/* libc_hidden_proto(abort) */
-#ifdef __USE_GNU
-/* Experimentally off - libc_hidden_proto(mempcpy) */
-#endif
-
+/* TODO: having _LIBC *off* is very confusing - the rest of uclibc
+ * has it *on*. Fix it. */
+# undef _LIBC
+# define _REGEX_RE_COMP
+# define HAVE_LANGINFO
+# define HAVE_LANGINFO_CODESET
+# include <stdbool.h>
+# include <stdint.h>
+# include <string.h>
+# include <stdlib.h>
+# ifdef __UCLIBC_HAS_WCHAR__
+#  define RE_ENABLE_I18N
+#  include <wchar.h>
+#  include <wctype.h>
+#  define __iswctype iswctype
+#  define __wcrtomb wcrtomb
+#  define __btowc btowc
+#  define __wctype wctype
+# endif
+# include <ctype.h>
+# ifdef __UCLIBC_HAS_CTYPE_TABLES__
+#  define __toupper toupper
+#  define __tolower tolower
+# endif
 #endif
 
 /* Make sure noone compiles this code with a C++ compiler.  */
@@ -99,54 +52,14 @@
 # error "This is C code, use a C compiler"
 #endif
 
-#if defined _LIBC || defined __UCLIBC__
-/* We have to keep the namespace clean.  */
-# define regfree(preg) __regfree (preg)
-# define regexec(pr, st, nm, pm, ef) __regexec (pr, st, nm, pm, ef)
-# define regcomp(preg, pattern, cflags) __regcomp (preg, pattern, cflags)
-# define regerror(errcode, preg, errbuf, errbuf_size) \
-	__regerror(errcode, preg, errbuf, errbuf_size)
-# define re_set_registers(bu, re, nu, st, en) \
-	__re_set_registers (bu, re, nu, st, en)
-# define re_match_2(bufp, string1, size1, string2, size2, pos, regs, stop) \
-	__re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
-# define re_match(bufp, string, size, pos, regs) \
-	__re_match (bufp, string, size, pos, regs)
-# define re_search(bufp, string, size, startpos, range, regs) \
-	__re_search (bufp, string, size, startpos, range, regs)
-# define re_compile_pattern(pattern, length, bufp) \
-	__re_compile_pattern (pattern, length, bufp)
-# define re_set_syntax(syntax) __re_set_syntax (syntax)
-# define re_search_2(bufp, st1, s1, st2, s2, startpos, range, regs, stop) \
-	__re_search_2 (bufp, st1, s1, st2, s2, startpos, range, regs, stop)
-# define re_compile_fastmap(bufp) __re_compile_fastmap (bufp)
-
-#ifndef __UCLIBC__
-# include "../locale/localeinfo.h"
-#endif
-#endif
-
 /* On some systems, limits.h sets RE_DUP_MAX to a lower value than
    GNU regex allows.  Include it before <regex.h>, which correctly
    #undefs RE_DUP_MAX and sets it to the right value.  */
 #include <limits.h>
 
-#ifdef __UCLIBC__
-#include "_regex.h"
-#else
 #include <regex.h>
-#endif
-#include "regex_internal.h"
 
+#include "regex_internal.h"
 #include "regex_internal.c"
 #include "regcomp.c"
 #include "regexec.c"
-
-/* Binary backward compatibility.  */
-#if _LIBC
-# include <shlib-compat.h>
-# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
-link_warning (re_max_failures, "the 're_max_failures' variable is obsolete and will go away.")
-int re_max_failures = 2000;
-# endif
-#endif