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regcustom.h
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/* * Copyright (c) 1998, 1999 Henry Spencer. All rights reserved. * * Development of this software was funded, in part, by Cray Research Inc., * UUNET Communications Services Inc., Sun Microsystems Inc., and Scriptics * Corporation, none of whom are responsible for the results. The author * thanks all of them. * * Redistribution and use in source and binary forms -- with or without * modification -- are permitted for any purpose, provided that * redistributions in source form retain this entire copyright notice and * indicate the origin and nature of any modifications. * * I'd appreciate being given credit for this package in the documentation * of software which uses it, but that is not a requirement. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * HENRY SPENCER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * src/include/regex/regcustom.h */ /* headers if any */ #include "postgres.h" #include <ctype.h> #include <limits.h> /* * towlower() and friends should be in <wctype.h>, but some pre-C99 systems * declare them in <wchar.h>. */ #ifdef HAVE_WCHAR_H #include <wchar.h> #endif #ifdef HAVE_WCTYPE_H #include <wctype.h> #endif #include "mb/pg_wchar.h" /* overrides for regguts.h definitions, if any */ #define FUNCPTR(name, args) (*name) args #define MALLOC(n) malloc(n) #define FREE(p) free(VS(p)) #define REALLOC(p,n) realloc(VS(p),n) #define assert(x) Assert(x) /* internal character type and related */ typedef pg_wchar chr; /* the type itself */ typedef unsigned uchr; /* unsigned type that will hold a chr */ typedef int celt; /* type to hold chr, or NOCELT */ #define NOCELT (-1) /* celt value which is not valid chr */ #define CHR(c) ((unsigned char) (c)) /* turn char literal into chr literal */ #define DIGITVAL(c) ((c)-'0') /* turn chr digit into its value */ #define CHRBITS 32 /* bits in a chr; must not use sizeof */ #define CHR_MIN 0x00000000 /* smallest and largest chr; the value */ #define CHR_MAX 0x7ffffffe /* CHR_MAX-CHR_MIN+1 must fit in an int, and * CHR_MAX+1 must fit in both chr and celt */ /* * Check if a chr value is in range. Ideally we'd just write this as * ((c) >= CHR_MIN && (c) <= CHR_MAX) * However, if chr is unsigned and CHR_MIN is zero, the first part of that * is a no-op, and certain overly-nannyish compilers give warnings about it. * So we leave that out here. If you want to make chr signed and/or CHR_MIN * not zero, redefine this macro as above. Callers should assume that the * macro may multiply evaluate its argument, even though it does not today. */ #define CHR_IS_IN_RANGE(c) ((c) <= CHR_MAX) /* functions operating on chr */ #define iscalnum(x) pg_wc_isalnum(x) #define iscalpha(x) pg_wc_isalpha(x) #define iscdigit(x) pg_wc_isdigit(x) #define iscspace(x) pg_wc_isspace(x) /* and pick up the standard header */ #include "regex.h"