pgindent run.

1 files changed, 599 insertions, 383 deletions

diff --git a/src/backend/regex/regc_locale.c b/src/backend/regex/regc_locale.c
index 41ea9fe1f29..69c7fd7214a 100644
--- a/src/backend/regex/regc_locale.c
+++ b/src/backend/regex/regc_locale.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * regc_locale.c --
  *
  *	This file contains locale-specific regexp routines.
@@ -11,7 +11,7 @@
  * Corporation and other parties.  The following terms apply to all files
  * associated with the software unless explicitly disclaimed in
  * individual files.
- * 
+ *
  * The authors hereby grant permission to use, copy, modify, distribute,
  * and license this software and its documentation for any purpose, provided
  * that existing copyright notices are retained in all copies and that this
@@ -21,137 +21,332 @@
  * and need not follow the licensing terms described here, provided that
  * the new terms are clearly indicated on the first page of each file where
  * they apply.
- * 
+ *
  * IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
  * FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  * ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
  * DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  * THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.  THIS SOFTWARE
+ * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.	THIS SOFTWARE
  * IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
  * NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
  * MODIFICATIONS.
- * 
+ *
  * GOVERNMENT USE: If you are acquiring this software on behalf of the
  * U.S. government, the Government shall have only "Restricted Rights"
- * in the software and related documentation as defined in the Federal 
- * Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).  If you
+ * in the software and related documentation as defined in the Federal
+ * Acquisition Regulations (FARs) in Clause 52.227.19 (c) (2).	If you
  * are acquiring the software on behalf of the Department of Defense, the
  * software shall be classified as "Commercial Computer Software" and the
  * Government shall have only "Restricted Rights" as defined in Clause
  * 252.227-7013 (c) (1) of DFARs.  Notwithstanding the foregoing, the
  * authors grant the U.S. Government and others acting in its behalf
  * permission to use and distribute the software in accordance with the
- * terms specified in this license. 
+ * terms specified in this license.
  *
- * $Header: /cvsroot/pgsql/src/backend/regex/regc_locale.c,v 1.1 2003/02/05 17:41:32 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/regex/regc_locale.c,v 1.2 2003/08/04 00:43:21 momjian Exp $
  */
 
 /* ASCII character-name table */
 
-static struct cname {
-    char *name;
-    char code;
-} cnames[] = {
-    {"NUL",		'\0'},
-    {"SOH",		'\001'},
-    {"STX",		'\002'},
-    {"ETX",		'\003'},
-    {"EOT",		'\004'},
-    {"ENQ",		'\005'},
-    {"ACK",		'\006'},
-    {"BEL",		'\007'},
-    {"alert",		'\007'},
-    {"BS",		'\010'},
-    {"backspace",	'\b'},
-    {"HT",		'\011'},
-    {"tab",		'\t'},
-    {"LF",		'\012'},
-    {"newline",		'\n'},
-    {"VT",		'\013'},
-    {"vertical-tab",	'\v'},
-    {"FF",		'\014'},
-    {"form-feed",	'\f'},
-    {"CR",		'\015'},
-    {"carriage-return",	'\r'},
-    {"SO",		'\016'},
-    {"SI",		'\017'},
-    {"DLE",		'\020'},
-    {"DC1",		'\021'},
-    {"DC2",		'\022'},
-    {"DC3",		'\023'},
-    {"DC4",		'\024'},
-    {"NAK",		'\025'},
-    {"SYN",		'\026'},
-    {"ETB",		'\027'},
-    {"CAN",		'\030'},
-    {"EM",		'\031'},
-    {"SUB",		'\032'},
-    {"ESC",		'\033'},
-    {"IS4",		'\034'},
-    {"FS",		'\034'},
-    {"IS3",		'\035'},
-    {"GS",		'\035'},
-    {"IS2",		'\036'},
-    {"RS",		'\036'},
-    {"IS1",		'\037'},
-    {"US",		'\037'},
-    {"space",		' '},
-    {"exclamation-mark",'!'},
-    {"quotation-mark",	'"'},
-    {"number-sign",	'#'},
-    {"dollar-sign",	'$'},
-    {"percent-sign",	'%'},
-    {"ampersand",	'&'},
-    {"apostrophe",	'\''},
-    {"left-parenthesis",'('},
-    {"right-parenthesis", ')'},
-    {"asterisk",	'*'},
-    {"plus-sign",	'+'},
-    {"comma",		','},
-    {"hyphen",		'-'},
-    {"hyphen-minus",	'-'},
-    {"period",		'.'},
-    {"full-stop",	'.'},
-    {"slash",		'/'},
-    {"solidus",		'/'},
-    {"zero",		'0'},
-    {"one",		'1'},
-    {"two",		'2'},
-    {"three",		'3'},
-    {"four",		'4'},
-    {"five",		'5'},
-    {"six",		'6'},
-    {"seven",		'7'},
-    {"eight",		'8'},
-    {"nine",		'9'},
-    {"colon",		':'},
-    {"semicolon",	';'},
-    {"less-than-sign",	'<'},
-    {"equals-sign",	'='},
-    {"greater-than-sign", '>'},
-    {"question-mark",	'?'},
-    {"commercial-at",	'@'},
-    {"left-square-bracket", '['},
-    {"backslash",	'\\'},
-    {"reverse-solidus",	'\\'},
-    {"right-square-bracket", ']'},
-    {"circumflex",	'^'},
-    {"circumflex-accent", '^'},
-    {"underscore",	'_'},
-    {"low-line",	'_'},
-    {"grave-accent",	'`'},
-    {"left-brace",	'{'},
-    {"left-curly-bracket", '{'},
-    {"vertical-line",	'|'},
-    {"right-brace",	'}'},
-    {"right-curly-bracket", '}'},
-    {"tilde",		'~'},
-    {"DEL",		'\177'},
-    {NULL,		0}
+static struct cname
+{
+	char	   *name;
+	char		code;
+}	cnames[] =
+
+{
+	{
+		"NUL", '\0'
+	},
+	{
+		"SOH", '\001'
+	},
+	{
+		"STX", '\002'
+	},
+	{
+		"ETX", '\003'
+	},
+	{
+		"EOT", '\004'
+	},
+	{
+		"ENQ", '\005'
+	},
+	{
+		"ACK", '\006'
+	},
+	{
+		"BEL", '\007'
+	},
+	{
+		"alert", '\007'
+	},
+	{
+		"BS", '\010'
+	},
+	{
+		"backspace", '\b'
+	},
+	{
+		"HT", '\011'
+	},
+	{
+		"tab", '\t'
+	},
+	{
+		"LF", '\012'
+	},
+	{
+		"newline", '\n'
+	},
+	{
+		"VT", '\013'
+	},
+	{
+		"vertical-tab", '\v'
+	},
+	{
+		"FF", '\014'
+	},
+	{
+		"form-feed", '\f'
+	},
+	{
+		"CR", '\015'
+	},
+	{
+		"carriage-return", '\r'
+	},
+	{
+		"SO", '\016'
+	},
+	{
+		"SI", '\017'
+	},
+	{
+		"DLE", '\020'
+	},
+	{
+		"DC1", '\021'
+	},
+	{
+		"DC2", '\022'
+	},
+	{
+		"DC3", '\023'
+	},
+	{
+		"DC4", '\024'
+	},
+	{
+		"NAK", '\025'
+	},
+	{
+		"SYN", '\026'
+	},
+	{
+		"ETB", '\027'
+	},
+	{
+		"CAN", '\030'
+	},
+	{
+		"EM", '\031'
+	},
+	{
+		"SUB", '\032'
+	},
+	{
+		"ESC", '\033'
+	},
+	{
+		"IS4", '\034'
+	},
+	{
+		"FS", '\034'
+	},
+	{
+		"IS3", '\035'
+	},
+	{
+		"GS", '\035'
+	},
+	{
+		"IS2", '\036'
+	},
+	{
+		"RS", '\036'
+	},
+	{
+		"IS1", '\037'
+	},
+	{
+		"US", '\037'
+	},
+	{
+		"space", ' '
+	},
+	{
+		"exclamation-mark", '!'
+	},
+	{
+		"quotation-mark", '"'
+	},
+	{
+		"number-sign", '#'
+	},
+	{
+		"dollar-sign", '$'
+	},
+	{
+		"percent-sign", '%'
+	},
+	{
+		"ampersand", '&'
+	},
+	{
+		"apostrophe", '\''
+	},
+	{
+		"left-parenthesis", '('
+	},
+	{
+		"right-parenthesis", ')'
+	},
+	{
+		"asterisk", '*'
+	},
+	{
+		"plus-sign", '+'
+	},
+	{
+		"comma", ','
+	},
+	{
+		"hyphen", '-'
+	},
+	{
+		"hyphen-minus", '-'
+	},
+	{
+		"period", '.'
+	},
+	{
+		"full-stop", '.'
+	},
+	{
+		"slash", '/'
+	},
+	{
+		"solidus", '/'
+	},
+	{
+		"zero", '0'
+	},
+	{
+		"one", '1'
+	},
+	{
+		"two", '2'
+	},
+	{
+		"three", '3'
+	},
+	{
+		"four", '4'
+	},
+	{
+		"five", '5'
+	},
+	{
+		"six", '6'
+	},
+	{
+		"seven", '7'
+	},
+	{
+		"eight", '8'
+	},
+	{
+		"nine", '9'
+	},
+	{
+		"colon", ':'
+	},
+	{
+		"semicolon", ';'
+	},
+	{
+		"less-than-sign", '<'
+	},
+	{
+		"equals-sign", '='
+	},
+	{
+		"greater-than-sign", '>'
+	},
+	{
+		"question-mark", '?'
+	},
+	{
+		"commercial-at", '@'
+	},
+	{
+		"left-square-bracket", '['
+	},
+	{
+		"backslash", '\\'
+	},
+	{
+		"reverse-solidus", '\\'
+	},
+	{
+		"right-square-bracket", ']'
+	},
+	{
+		"circumflex", '^'
+	},
+	{
+		"circumflex-accent", '^'
+	},
+	{
+		"underscore", '_'
+	},
+	{
+		"low-line", '_'
+	},
+	{
+		"grave-accent", '`'
+	},
+	{
+		"left-brace", '{'
+	},
+	{
+		"left-curly-bracket", '{'
+	},
+	{
+		"vertical-line", '|'
+	},
+	{
+		"right-brace", '}'
+	},
+	{
+		"right-curly-bracket", '}'
+	},
+	{
+		"tilde", '~'
+	},
+	{
+		"DEL", '\177'
+	},
+	{
+		NULL, 0
+	}
 };
 
 /*
@@ -226,132 +421,134 @@ pg_tolower(pg_wchar c)
  * nmcces - how many distinct MCCEs are there?
  */
 static int
-nmcces(struct vars *v)
+nmcces(struct vars * v)
 {
-    /*
-     * No multi-character collating elements defined at the moment.
-     */
-    return 0;
+	/*
+	 * No multi-character collating elements defined at the moment.
+	 */
+	return 0;
 }
 
 /*
  * nleaders - how many chrs can be first chrs of MCCEs?
  */
 static int
-nleaders(struct vars *v)
+nleaders(struct vars * v)
 {
-    return 0;
+	return 0;
 }
 
 /*
  * allmcces - return a cvec with all the MCCEs of the locale
  */
 static struct cvec *
-allmcces(struct vars *v,			/* context */
-		 struct cvec *cv)			/* this is supposed to have enough room */
+allmcces(struct vars * v,		/* context */
+		 struct cvec * cv)		/* this is supposed to have enough room */
 {
-    return clearcvec(cv);
+	return clearcvec(cv);
 }
 
 /*
  * element - map collating-element name to celt
  */
 static celt
-element(struct vars *v,			/* context */
-		chr *startp,			/* points to start of name */
-		chr *endp)				/* points just past end of name */
+element(struct vars * v,		/* context */
+		chr * startp,			/* points to start of name */
+		chr * endp)				/* points just past end of name */
 {
-    struct cname *cn;
-    size_t len;
-
-    /* generic:  one-chr names stand for themselves */
-    assert(startp < endp);
-    len = endp - startp;
-    if (len == 1) {
-	return *startp;
-    }
-
-    NOTE(REG_ULOCALE);
-
-    /* search table */
-    for (cn=cnames; cn->name!=NULL; cn++) {
-	if (strlen(cn->name)==len &&
-		pg_char_and_wchar_strncmp(cn->name, startp, len)==0) {
-	    break;			/* NOTE BREAK OUT */
+	struct cname *cn;
+	size_t		len;
+
+	/* generic:  one-chr names stand for themselves */
+	assert(startp < endp);
+	len = endp - startp;
+	if (len == 1)
+		return *startp;
+
+	NOTE(REG_ULOCALE);
+
+	/* search table */
+	for (cn = cnames; cn->name != NULL; cn++)
+	{
+		if (strlen(cn->name) == len &&
+			pg_char_and_wchar_strncmp(cn->name, startp, len) == 0)
+		{
+			break;				/* NOTE BREAK OUT */
+		}
 	}
-    }
-    if (cn->name != NULL) {
-	return CHR(cn->code);
-    }
-
-    /* couldn't find it */
-    ERR(REG_ECOLLATE);
-    return 0;
+	if (cn->name != NULL)
+		return CHR(cn->code);
+
+	/* couldn't find it */
+	ERR(REG_ECOLLATE);
+	return 0;
 }
 
 /*
  * range - supply cvec for a range, including legality check
  */
 static struct cvec *
-range(struct vars *v,			/* context */
-	  celt a,				/* range start */
-	  celt b,				/* range end, might equal a */
+range(struct vars * v,			/* context */
+	  celt a,					/* range start */
+	  celt b,					/* range end, might equal a */
 	  int cases)				/* case-independent? */
 {
-    int nchrs;
-    struct cvec *cv;
-    celt c, lc, uc;
-
-    if (a != b && !before(a, b)) {
-	ERR(REG_ERANGE);
-	return NULL;
-    }
+	int			nchrs;
+	struct cvec *cv;
+	celt		c,
+				lc,
+				uc;
+
+	if (a != b && !before(a, b))
+	{
+		ERR(REG_ERANGE);
+		return NULL;
+	}
 
-    if (!cases) {			/* easy version */
-	cv = getcvec(v, 0, 1, 0);
-	NOERRN();
-	addrange(cv, a, b);
-	return cv;
-    }
+	if (!cases)
+	{							/* easy version */
+		cv = getcvec(v, 0, 1, 0);
+		NOERRN();
+		addrange(cv, a, b);
+		return cv;
+	}
 
-    /*
-     * When case-independent, it's hard to decide when cvec ranges are
-     * usable, so for now at least, we won't try.  We allocate enough
-     * space for two case variants plus a little extra for the two
-     * title case variants.
-     */
+	/*
+	 * When case-independent, it's hard to decide when cvec ranges are
+	 * usable, so for now at least, we won't try.  We allocate enough
+	 * space for two case variants plus a little extra for the two title
+	 * case variants.
+	 */
 
-    nchrs = (b - a + 1)*2 + 4;
+	nchrs = (b - a + 1) * 2 + 4;
 
-    cv = getcvec(v, nchrs, 0, 0);
-    NOERRN();
+	cv = getcvec(v, nchrs, 0, 0);
+	NOERRN();
 
-    for (c=a; c<=b; c++) {
-	addchr(cv, c);
-	lc = pg_tolower((chr)c);
-	if (c != lc) {
-	    addchr(cv, lc);
-	}
-	uc = pg_toupper((chr)c);
-	if (c != uc) {
-	    addchr(cv, uc);
+	for (c = a; c <= b; c++)
+	{
+		addchr(cv, c);
+		lc = pg_tolower((chr) c);
+		if (c != lc)
+			addchr(cv, lc);
+		uc = pg_toupper((chr) c);
+		if (c != uc)
+			addchr(cv, uc);
 	}
-    }
 
-    return cv;
+	return cv;
 }
 
 /*
  * before - is celt x before celt y, for purposes of range legality?
  */
-static int				/* predicate */
+static int						/* predicate */
 before(celt x, celt y)
 {
-    /* trivial because no MCCEs */
-    if (x < y) {
-	return 1;
-    }
-    return 0;
+	/* trivial because no MCCEs */
+	if (x < y)
+		return 1;
+	return 0;
 }
 
 /*
@@ -359,33 +556,34 @@ before(celt x, celt y)
  * Must include case counterparts on request.
  */
 static struct cvec *
-eclass(struct vars *v,			/* context */
-	   celt c,					/* Collating element representing
-								 * the equivalence class. */
+eclass(struct vars * v,			/* context */
+	   celt c,					/* Collating element representing the
+								 * equivalence class. */
 	   int cases)				/* all cases? */
 {
-    struct cvec *cv;
-
-    /* crude fake equivalence class for testing */
-    if ((v->cflags&REG_FAKE) && c == 'x') {
-	cv = getcvec(v, 4, 0, 0);
-	addchr(cv, (chr)'x');
-	addchr(cv, (chr)'y');
-	if (cases) {
-	    addchr(cv, (chr)'X');
-	    addchr(cv, (chr)'Y');
+	struct cvec *cv;
+
+	/* crude fake equivalence class for testing */
+	if ((v->cflags & REG_FAKE) && c == 'x')
+	{
+		cv = getcvec(v, 4, 0, 0);
+		addchr(cv, (chr) 'x');
+		addchr(cv, (chr) 'y');
+		if (cases)
+		{
+			addchr(cv, (chr) 'X');
+			addchr(cv, (chr) 'Y');
+		}
+		return cv;
 	}
+
+	/* otherwise, none */
+	if (cases)
+		return allcases(v, c);
+	cv = getcvec(v, 1, 0, 0);
+	assert(cv != NULL);
+	addchr(cv, (chr) c);
 	return cv;
-    }
-
-    /* otherwise, none */
-    if (cases) {
-	return allcases(v, c);
-    }
-    cv = getcvec(v, 1, 0, 0);
-    assert(cv != NULL);
-    addchr(cv, (chr)c);
-    return cv;
 }
 
 /*
@@ -394,164 +592,182 @@ eclass(struct vars *v,			/* context */
  * Must include case counterparts on request.
  */
 static struct cvec *
-cclass(struct vars *v,			/* context */
-	   chr *startp,			/* where the name starts */
-	   chr *endp,				/* just past the end of the name */
+cclass(struct vars * v,			/* context */
+	   chr * startp,			/* where the name starts */
+	   chr * endp,				/* just past the end of the name */
 	   int cases)				/* case-independent? */
 {
-    size_t len;
-    struct cvec *cv = NULL;
-    char **namePtr;
-    int i, index;
-
-    /*
-     * The following arrays define the valid character class names.
-     */
-
-    static char *classNames[] = {
-	"alnum", "alpha", "ascii", "blank", "cntrl", "digit", "graph",
-	"lower", "print", "punct", "space", "upper", "xdigit", NULL
-    };
-
-    enum classes {
-	CC_ALNUM, CC_ALPHA, CC_ASCII, CC_BLANK, CC_CNTRL, CC_DIGIT, CC_GRAPH,
-	CC_LOWER, CC_PRINT, CC_PUNCT, CC_SPACE, CC_UPPER, CC_XDIGIT
-    };
-
-    /*
-     * Map the name to the corresponding enumerated value.
-     */
-    len = endp - startp;
-    index = -1;
-    for (namePtr=classNames,i=0 ; *namePtr!=NULL ; namePtr++,i++) {
-	if (strlen(*namePtr) == len &&
-		pg_char_and_wchar_strncmp(*namePtr, startp, len) == 0) {
-	    index = i;
-	    break;
+	size_t		len;
+	struct cvec *cv = NULL;
+	char	  **namePtr;
+	int			i,
+				index;
+
+	/*
+	 * The following arrays define the valid character class names.
+	 */
+
+	static char *classNames[] = {
+		"alnum", "alpha", "ascii", "blank", "cntrl", "digit", "graph",
+		"lower", "print", "punct", "space", "upper", "xdigit", NULL
+	};
+
+	enum classes
+	{
+		CC_ALNUM, CC_ALPHA, CC_ASCII, CC_BLANK, CC_CNTRL, CC_DIGIT, CC_GRAPH,
+		CC_LOWER, CC_PRINT, CC_PUNCT, CC_SPACE, CC_UPPER, CC_XDIGIT
+	};
+
+	/*
+	 * Map the name to the corresponding enumerated value.
+	 */
+	len = endp - startp;
+	index = -1;
+	for (namePtr = classNames, i = 0; *namePtr != NULL; namePtr++, i++)
+	{
+		if (strlen(*namePtr) == len &&
+			pg_char_and_wchar_strncmp(*namePtr, startp, len) == 0)
+		{
+			index = i;
+			break;
+		}
+	}
+	if (index == -1)
+	{
+		ERR(REG_ECTYPE);
+		return NULL;
 	}
-    }
-    if (index == -1) {
-	ERR(REG_ECTYPE);
-	return NULL;
-    }
 
-    /*
-     * Remap lower and upper to alpha if the match is case insensitive.
-     */
+	/*
+	 * Remap lower and upper to alpha if the match is case insensitive.
+	 */
 
-    if (cases &&
+	if (cases &&
 		((enum classes) index == CC_LOWER ||
 		 (enum classes) index == CC_UPPER))
 		index = (int) CC_ALPHA;
-    
-    /*
-     * Now compute the character class contents.
+
+	/*
+	 * Now compute the character class contents.
 	 *
 	 * For the moment, assume that only char codes < 256 can be in these
 	 * classes.
-     */
-
-    switch((enum classes) index) {
-    case CC_PRINT:
-    case CC_ALNUM:
-	cv = getcvec(v, UCHAR_MAX, 1, 0);
-	if (cv) {
-	    for (i=0 ; i<= UCHAR_MAX ; i++) {
-			if (pg_isalpha((chr) i))
-				addchr(cv, (chr) i);
-	    }
-		addrange(cv, (chr) '0', (chr) '9');
-	}
-	break;
-    case CC_ALPHA:
-	cv = getcvec(v, UCHAR_MAX, 0, 0);
-	if (cv) {
-	    for (i=0 ; i<= UCHAR_MAX ; i++) {
-			if (pg_isalpha((chr) i))
-				addchr(cv, (chr) i);
-	    }
-	}
-	break;
-    case CC_ASCII:
-	cv = getcvec(v, 0, 1, 0);
-	if (cv) {
-	    addrange(cv, 0, 0x7f);
-	}
-	break;
-    case CC_BLANK:
-	cv = getcvec(v, 2, 0, 0);
-	addchr(cv, '\t');
-	addchr(cv, ' ');
-	break;
-    case CC_CNTRL:
-	cv = getcvec(v, 0, 2, 0);
-	addrange(cv, 0x0, 0x1f);
-	addrange(cv, 0x7f, 0x9f);
-	break;
-    case CC_DIGIT:
-	cv = getcvec(v, 0, 1, 0);
-	if (cv) {	
-		addrange(cv, (chr) '0', (chr) '9');
+	 */
+
+	switch ((enum classes) index)
+	{
+		case CC_PRINT:
+		case CC_ALNUM:
+			cv = getcvec(v, UCHAR_MAX, 1, 0);
+			if (cv)
+			{
+				for (i = 0; i <= UCHAR_MAX; i++)
+				{
+					if (pg_isalpha((chr) i))
+						addchr(cv, (chr) i);
+				}
+				addrange(cv, (chr) '0', (chr) '9');
+			}
+			break;
+		case CC_ALPHA:
+			cv = getcvec(v, UCHAR_MAX, 0, 0);
+			if (cv)
+			{
+				for (i = 0; i <= UCHAR_MAX; i++)
+				{
+					if (pg_isalpha((chr) i))
+						addchr(cv, (chr) i);
+				}
+			}
+			break;
+		case CC_ASCII:
+			cv = getcvec(v, 0, 1, 0);
+			if (cv)
+				addrange(cv, 0, 0x7f);
+			break;
+		case CC_BLANK:
+			cv = getcvec(v, 2, 0, 0);
+			addchr(cv, '\t');
+			addchr(cv, ' ');
+			break;
+		case CC_CNTRL:
+			cv = getcvec(v, 0, 2, 0);
+			addrange(cv, 0x0, 0x1f);
+			addrange(cv, 0x7f, 0x9f);
+			break;
+		case CC_DIGIT:
+			cv = getcvec(v, 0, 1, 0);
+			if (cv)
+				addrange(cv, (chr) '0', (chr) '9');
+			break;
+		case CC_PUNCT:
+			cv = getcvec(v, UCHAR_MAX, 0, 0);
+			if (cv)
+			{
+				for (i = 0; i <= UCHAR_MAX; i++)
+				{
+					if (pg_ispunct((chr) i))
+						addchr(cv, (chr) i);
+				}
+			}
+			break;
+		case CC_XDIGIT:
+			cv = getcvec(v, 0, 3, 0);
+			if (cv)
+			{
+				addrange(cv, '0', '9');
+				addrange(cv, 'a', 'f');
+				addrange(cv, 'A', 'F');
+			}
+			break;
+		case CC_SPACE:
+			cv = getcvec(v, UCHAR_MAX, 0, 0);
+			if (cv)
+			{
+				for (i = 0; i <= UCHAR_MAX; i++)
+				{
+					if (pg_isspace((chr) i))
+						addchr(cv, (chr) i);
+				}
+			}
+			break;
+		case CC_LOWER:
+			cv = getcvec(v, UCHAR_MAX, 0, 0);
+			if (cv)
+			{
+				for (i = 0; i <= UCHAR_MAX; i++)
+				{
+					if (pg_islower((chr) i))
+						addchr(cv, (chr) i);
+				}
+			}
+			break;
+		case CC_UPPER:
+			cv = getcvec(v, UCHAR_MAX, 0, 0);
+			if (cv)
+			{
+				for (i = 0; i <= UCHAR_MAX; i++)
+				{
+					if (pg_isupper((chr) i))
+						addchr(cv, (chr) i);
+				}
+			}
+			break;
+		case CC_GRAPH:
+			cv = getcvec(v, UCHAR_MAX, 0, 0);
+			if (cv)
+			{
+				for (i = 0; i <= UCHAR_MAX; i++)
+				{
+					if (pg_isgraph((chr) i))
+						addchr(cv, (chr) i);
+				}
+			}
+			break;
 	}
-	break;
-    case CC_PUNCT:
-	cv = getcvec(v, UCHAR_MAX, 0, 0);
-	if (cv) {
-	    for (i=0 ; i<= UCHAR_MAX ; i++) {
-			if (pg_ispunct((chr) i))
-				addchr(cv, (chr) i);
-	    }
-	}
-	break;
-    case CC_XDIGIT:
-	cv = getcvec(v, 0, 3, 0);
-	if (cv) {	
-	    addrange(cv, '0', '9');
-	    addrange(cv, 'a', 'f');
-	    addrange(cv, 'A', 'F');
-	}
-	break;
-    case CC_SPACE:
-	cv = getcvec(v, UCHAR_MAX, 0, 0);
-	if (cv) {
-	    for (i=0 ; i<= UCHAR_MAX ; i++) {
-			if (pg_isspace((chr) i))
-				addchr(cv, (chr) i);
-	    }
-	}
-	break;
-    case CC_LOWER:
-	cv = getcvec(v, UCHAR_MAX, 0, 0);
-	if (cv) {
-	    for (i=0 ; i<= UCHAR_MAX ; i++) {
-			if (pg_islower((chr) i))
-				addchr(cv, (chr) i);
-	    }
-	}
-	break;
-    case CC_UPPER:
-	cv = getcvec(v, UCHAR_MAX, 0, 0);
-	if (cv) {
-	    for (i=0 ; i<= UCHAR_MAX ; i++) {
-			if (pg_isupper((chr) i))
-				addchr(cv, (chr) i);
-	    }
-	}
-	break;
-    case CC_GRAPH:
-	cv = getcvec(v, UCHAR_MAX, 0, 0);
-	if (cv) {
-	    for (i=0 ; i<= UCHAR_MAX ; i++) {
-			if (pg_isgraph((chr) i))
-				addchr(cv, (chr) i);
-	    }
-	}
-	break;
-    }
-    if (cv == NULL) {
-	ERR(REG_ESPACE);
-    }
-    return cv;
+	if (cv == NULL)
+		ERR(REG_ESPACE);
+	return cv;
 }
 
 /*
@@ -561,37 +777,37 @@ cclass(struct vars *v,			/* context */
  * messy cases are done via range().
  */
 static struct cvec *
-allcases(struct vars *v,			/* context */
+allcases(struct vars * v,		/* context */
 		 chr pc)				/* character to get case equivs of */
 {
-    struct cvec *cv;
-    chr c = (chr)pc;
-    chr lc, uc;
+	struct cvec *cv;
+	chr			c = (chr) pc;
+	chr			lc,
+				uc;
 
-    lc = pg_tolower((chr)c);
-    uc = pg_toupper((chr)c);
+	lc = pg_tolower((chr) c);
+	uc = pg_toupper((chr) c);
 
 	cv = getcvec(v, 2, 0, 0);
-    addchr(cv, lc);
-    if (lc != uc) {
-	addchr(cv, uc);
-    }
-    return cv;
+	addchr(cv, lc);
+	if (lc != uc)
+		addchr(cv, uc);
+	return cv;
 }
 
 /*
  * cmp - chr-substring compare
  *
- * Backrefs need this.  It should preferably be efficient.
+ * Backrefs need this.	It should preferably be efficient.
  * Note that it does not need to report anything except equal/unequal.
  * Note also that the length is exact, and the comparison should not
  * stop at embedded NULs!
  */
-static int				/* 0 for equal, nonzero for unequal */
-cmp(const chr *x, const chr *y,			/* strings to compare */
-    size_t len)				/* exact length of comparison */
+static int						/* 0 for equal, nonzero for unequal */
+cmp(const chr * x, const chr * y,		/* strings to compare */
+	size_t len)					/* exact length of comparison */
 {
-    return memcmp(VS(x), VS(y), len*sizeof(chr));
+	return memcmp(VS(x), VS(y), len * sizeof(chr));
 }
 
 /*
@@ -602,14 +818,14 @@ cmp(const chr *x, const chr *y,			/* strings to compare */
  * Note also that the length is exact, and the comparison should not
  * stop at embedded NULs!
  */
-static int				/* 0 for equal, nonzero for unequal */
-casecmp(const chr *x, const chr *y,			/* strings to compare */
+static int						/* 0 for equal, nonzero for unequal */
+casecmp(const chr * x, const chr * y,	/* strings to compare */
 		size_t len)				/* exact length of comparison */
 {
-    for (; len > 0; len--, x++, y++) {
-	if ((*x!=*y) && (pg_tolower(*x) != pg_tolower(*y))) {
-	    return 1;
+	for (; len > 0; len--, x++, y++)
+	{
+		if ((*x != *y) && (pg_tolower(*x) != pg_tolower(*y)))
+			return 1;
 	}
-    }
-    return 0;
+	return 0;
 }