X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d37acbdf1ce9faed1ef558c6d7db7128301d0a26..2e14066008229145e2da7b9f05a478ce38631f83:/src/regex/regc_color.c diff --git a/src/regex/regc_color.c b/src/regex/regc_color.c index 5376af2ed5..6a07d3e7a5 100644 --- a/src/regex/regc_color.c +++ b/src/regex/regc_color.c @@ -2,21 +2,21 @@ * colorings of characters * This file is #included by regcomp.c. * - * Copyright (c) 1998, 1999 Henry Spencer. All rights reserved. - * + * 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. - * + * 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 @@ -28,7 +28,6 @@ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * $Header$ * * * Note that there are some incestuous relationships between this code and @@ -37,20 +36,22 @@ -#define CISERR() VISERR(cm->v) -#define CERR(e) VERR(cm->v, (e)) +#define CISERR() VISERR(cm->v) +#define CERR(e) (void)VERR(cm->v, (e)) /* - * initcm - set up new colormap + - initcm - set up new colormap + ^ static VOID initcm(struct vars *, struct colormap *); */ -static void -initcm(struct vars * v, - struct colormap * cm) +static VOID +initcm(v, cm) +struct vars *v; +struct colormap *cm; { - int i; - int j; + int i; + int j; union tree *t; union tree *nextt; struct colordesc *cd; @@ -63,41 +64,41 @@ initcm(struct vars * v, cm->max = 0; cm->free = 0; - cd = cm->cd; /* cm->cd[WHITE] */ + cd = cm->cd; /* cm->cd[WHITE] */ cd->sub = NOSUB; cd->arcs = NULL; cd->flags = 0; cd->nchrs = CHR_MAX - CHR_MIN + 1; /* upper levels of tree */ - for (t = &cm->tree[0], j = NBYTS - 1; j > 0; t = nextt, j--) - { + for (t = &cm->tree[0], j = NBYTS-1; j > 0; t = nextt, j--) { nextt = t + 1; - for (i = BYTTAB - 1; i >= 0; i--) + for (i = BYTTAB-1; i >= 0; i--) t->tptr[i] = nextt; } /* bottom level is solid white */ - t = &cm->tree[NBYTS - 1]; - for (i = BYTTAB - 1; i >= 0; i--) + t = &cm->tree[NBYTS-1]; + for (i = BYTTAB-1; i >= 0; i--) t->tcolor[i] = WHITE; cd->block = t; } /* - * freecm - free dynamically-allocated things in a colormap + - freecm - free dynamically-allocated things in a colormap + ^ static VOID freecm(struct colormap *); */ -static void -freecm(struct colormap * cm) +static VOID +freecm(cm) +struct colormap *cm; { - size_t i; + size_t i; union tree *cb; cm->magic = 0; if (NBYTS > 1) cmtreefree(cm, cm->tree, 0); for (i = 1; i <= cm->max; i++) /* skip WHITE */ - if (!UNUSEDCOLOR(&cm->cd[i])) - { + if (!UNUSEDCOLOR(&cm->cd[i])) { cb = cm->cd[i].block; if (cb != NULL) FREE(cb); @@ -107,32 +108,29 @@ freecm(struct colormap * cm) } /* - * cmtreefree - free a non-terminal part of a colormap tree + - cmtreefree - free a non-terminal part of a colormap tree + ^ static VOID cmtreefree(struct colormap *, union tree *, int); */ -static void -cmtreefree(struct colormap * cm, - union tree * tree, - int level) /* level number (top == 0) of this block */ +static VOID +cmtreefree(cm, tree, level) +struct colormap *cm; +union tree *tree; +int level; /* level number (top == 0) of this block */ { - int i; + int i; union tree *t; - union tree *fillt = &cm->tree[level + 1]; + union tree *fillt = &cm->tree[level+1]; union tree *cb; - assert(level < NBYTS - 1); /* this level has pointers */ - for (i = BYTTAB - 1; i >= 0; i--) - { + assert(level < NBYTS-1); /* this level has pointers */ + for (i = BYTTAB-1; i >= 0; i--) { t = tree->tptr[i]; assert(t != NULL); - if (t != fillt) - { - if (level < NBYTS - 2) - { /* more pointer blocks below */ - cmtreefree(cm, t, level + 1); + if (t != fillt) { + if (level < NBYTS-2) { /* more pointer blocks below */ + cmtreefree(cm, t, level+1); FREE(t); - } - else - { /* color block below */ + } else { /* color block below */ cb = cm->cd[t->tcolor[0]].block; if (t != cb) /* not a solid block */ FREE(t); @@ -142,24 +140,26 @@ cmtreefree(struct colormap * cm, } /* - * setcolor - set the color of a character in a colormap + - setcolor - set the color of a character in a colormap + ^ static color setcolor(struct colormap *, pchr, pcolor); */ -static color /* previous color */ -setcolor(struct colormap * cm, - chr c, - pcolor co) +static color /* previous color */ +setcolor(cm, c, co) +struct colormap *cm; +pchr c; +pcolor co; { - uchr uc = c; - int shift; - int level; - int b; - int bottom; + uchr uc = c; + int shift; + int level; + int b; + int bottom; union tree *t; union tree *newt; union tree *fillt; union tree *lastt; union tree *cb; - color prev; + color prev; assert(cm->magic == CMMAGIC); if (CISERR() || co == COLORLESS) @@ -167,30 +167,27 @@ setcolor(struct colormap * cm, t = cm->tree; for (level = 0, shift = BYTBITS * (NBYTS - 1); shift > 0; - level++, shift -= BYTBITS) - { + level++, shift -= BYTBITS) { b = (uc >> shift) & BYTMASK; lastt = t; t = lastt->tptr[b]; assert(t != NULL); - fillt = &cm->tree[level + 1]; + fillt = &cm->tree[level+1]; bottom = (shift <= BYTBITS) ? 1 : 0; cb = (bottom) ? cm->cd[t->tcolor[0]].block : fillt; - if (t == fillt || t == cb) - { /* must allocate a new block */ - newt = (union tree *) MALLOC((bottom) ? - sizeof(struct colors) : sizeof(struct ptrs)); - if (newt == NULL) - { + if (t == fillt || t == cb) { /* must allocate a new block */ + newt = (union tree *)MALLOC((bottom) ? + sizeof(struct colors) : sizeof(struct ptrs)); + if (newt == NULL) { CERR(REG_ESPACE); return COLORLESS; } if (bottom) memcpy(VS(newt->tcolor), VS(t->tcolor), - BYTTAB * sizeof(color)); + BYTTAB*sizeof(color)); else memcpy(VS(newt->tptr), VS(t->tptr), - BYTTAB * sizeof(union tree *)); + BYTTAB*sizeof(union tree *)); t = newt; lastt->tptr[b] = t; } @@ -198,67 +195,63 @@ setcolor(struct colormap * cm, b = uc & BYTMASK; prev = t->tcolor[b]; - t->tcolor[b] = (color) co; + t->tcolor[b] = (color)co; return prev; } /* - * maxcolor - report largest color number in use + - maxcolor - report largest color number in use + ^ static color maxcolor(struct colormap *); */ static color -maxcolor(struct colormap * cm) +maxcolor(cm) +struct colormap *cm; { if (CISERR()) return COLORLESS; - return (color) cm->max; + return (color)cm->max; } /* - * newcolor - find a new color (must be subject of setcolor at once) - * Beware: may relocate the colordescs. + - newcolor - find a new color (must be subject of setcolor at once) + * Beware: may relocate the colordescs. + ^ static color newcolor(struct colormap *); */ -static color /* COLORLESS for error */ -newcolor(struct colormap * cm) +static color /* COLORLESS for error */ +newcolor(cm) +struct colormap *cm; { struct colordesc *cd; struct colordesc *new; - size_t n; + size_t n; if (CISERR()) return COLORLESS; - if (cm->free != 0) - { + if (cm->free != 0) { assert(cm->free > 0); - assert((size_t) cm->free < cm->ncds); + assert((size_t)cm->free < cm->ncds); cd = &cm->cd[cm->free]; assert(UNUSEDCOLOR(cd)); assert(cd->arcs == NULL); cm->free = cd->sub; - } - else if (cm->max < cm->ncds - 1) - { + } else if (cm->max < cm->ncds - 1) { cm->max++; cd = &cm->cd[cm->max]; - } - else - { + } else { /* oops, must allocate more */ n = cm->ncds * 2; - if (cm->cd == cm->cdspace) - { - new = (struct colordesc *) MALLOC(n * - sizeof(struct colordesc)); + if (cm->cd == cm->cdspace) { + new = (struct colordesc *)MALLOC(n * + sizeof(struct colordesc)); if (new != NULL) memcpy(VS(new), VS(cm->cdspace), cm->ncds * - sizeof(struct colordesc)); - } - else - new = (struct colordesc *) REALLOC(cm->cd, - n * sizeof(struct colordesc)); - if (new == NULL) - { + sizeof(struct colordesc)); + } else + new = (struct colordesc *)REALLOC(cm->cd, + n * sizeof(struct colordesc)); + if (new == NULL) { CERR(REG_ESPACE); return COLORLESS; } @@ -275,19 +268,20 @@ newcolor(struct colormap * cm) cd->flags = 0; cd->block = NULL; - return (color) (cd - cm->cd); + return (color)(cd - cm->cd); } /* - * freecolor - free a color (must have no arcs or subcolor) + - freecolor - free a color (must have no arcs or subcolor) + ^ static VOID freecolor(struct colormap *, pcolor); */ -static void -freecolor(struct colormap * cm, - pcolor co) +static VOID +freecolor(cm, co) +struct colormap *cm; +pcolor co; { struct colordesc *cd = &cm->cd[co]; - color pco, - nco; /* for freelist scan */ + color pco, nco; /* for freelist scan */ assert(co >= 0); if (co == WHITE) @@ -297,53 +291,47 @@ freecolor(struct colormap * cm, assert(cd->sub == NOSUB); assert(cd->nchrs == 0); cd->flags = FREECOL; - if (cd->block != NULL) - { + if (cd->block != NULL) { FREE(cd->block); - cd->block = NULL; /* just paranoia */ + cd->block = NULL; /* just paranoia */ } - if ((size_t) co == cm->max) - { + if ((size_t)co == cm->max) { while (cm->max > WHITE && UNUSEDCOLOR(&cm->cd[cm->max])) cm->max--; assert(cm->free >= 0); - while ((size_t) cm->free > cm->max) + while ((size_t)cm->free > cm->max) cm->free = cm->cd[cm->free].sub; - if (cm->free > 0) - { + if (cm->free > 0) { assert(cm->free < cm->max); pco = cm->free; nco = cm->cd[pco].sub; while (nco > 0) - if ((size_t) nco > cm->max) - { + if ((size_t)nco > cm->max) { /* take this one out of freelist */ nco = cm->cd[nco].sub; cm->cd[pco].sub = nco; - } - else - { + } else { assert(nco < cm->max); pco = nco; nco = cm->cd[pco].sub; } } - } - else - { + } else { cd->sub = cm->free; - cm->free = (color) (cd - cm->cd); + cm->free = (color)(cd - cm->cd); } } /* - * pseudocolor - allocate a false color, to be managed by other means + - pseudocolor - allocate a false color, to be managed by other means + ^ static color pseudocolor(struct colormap *); */ static color -pseudocolor(struct colormap * cm) +pseudocolor(cm) +struct colormap *cm; { - color co; + color co; co = newcolor(cm); if (CISERR()) @@ -354,13 +342,16 @@ pseudocolor(struct colormap * cm) } /* - * subcolor - allocate a new subcolor (if necessary) to this chr + - subcolor - allocate a new subcolor (if necessary) to this chr + ^ static color subcolor(struct colormap *, pchr c); */ static color -subcolor(struct colormap * cm, chr c) +subcolor(cm, c) +struct colormap *cm; +pchr c; { - color co; /* current color of c */ - color sco; /* new subcolor */ + color co; /* current color of c */ + color sco; /* new subcolor */ co = GETCOLOR(cm, c); sco = newsub(cm, co); @@ -368,8 +359,8 @@ subcolor(struct colormap * cm, chr c) return COLORLESS; assert(sco != COLORLESS); - if (co == sco) /* already in an open subcolor */ - return co; /* rest is redundant */ + if (co == sco) /* already in an open subcolor */ + return co; /* rest is redundant */ cm->cd[co].nchrs--; cm->cd[sco].nchrs++; setcolor(cm, c, sco); @@ -377,22 +368,22 @@ subcolor(struct colormap * cm, chr c) } /* - * newsub - allocate a new subcolor (if necessary) for a color + - newsub - allocate a new subcolor (if necessary) for a color + ^ static color newsub(struct colormap *, pcolor); */ static color -newsub(struct colormap * cm, - pcolor co) +newsub(cm, co) +struct colormap *cm; +pcolor co; { - color sco; /* new subcolor */ + color sco; /* new subcolor */ sco = cm->cd[co].sub; - if (sco == NOSUB) - { /* color has no open subcolor */ - if (cm->cd[co].nchrs == 1) /* optimization */ + if (sco == NOSUB) { /* color has no open subcolor */ + if (cm->cd[co].nchrs == 1) /* optimization */ return co; - sco = newcolor(cm); /* must create subcolor */ - if (sco == COLORLESS) - { + sco = newcolor(cm); /* must create subcolor */ + if (sco == COLORLESS) { assert(CISERR()); return COLORLESS; } @@ -405,26 +396,29 @@ newsub(struct colormap * cm, } /* - * subrange - allocate new subcolors to this range of chrs, fill in arcs + - subrange - allocate new subcolors to this range of chrs, fill in arcs + ^ static VOID subrange(struct vars *, pchr, pchr, struct state *, + ^ struct state *); */ -static void -subrange(struct vars * v, - chr from, - chr to, - struct state * lp, - struct state * rp) +static VOID +subrange(v, from, to, lp, rp) +struct vars *v; +pchr from; +pchr to; +struct state *lp; +struct state *rp; { - uchr uf; - int i; + uchr uf; + int i; assert(from <= to); /* first, align "from" on a tree-block boundary */ - uf = (uchr) from; - i = (int) (((uf + BYTTAB - 1) & (uchr) ~BYTMASK) - uf); + uf = (uchr)from; + i = (int)( ((uf + BYTTAB-1) & (uchr)~BYTMASK) - uf ); for (; from <= to && i > 0; i--, from++) newarc(v->nfa, PLAIN, subcolor(v->cm, from), lp, rp); - if (from > to) /* didn't reach a boundary */ + if (from > to) /* didn't reach a boundary */ return; /* deal with whole blocks */ @@ -437,28 +431,30 @@ subrange(struct vars * v, } /* - * subblock - allocate new subcolors for one tree block of chrs, fill in arcs + - subblock - allocate new subcolors for one tree block of chrs, fill in arcs + ^ static VOID subblock(struct vars *, pchr, struct state *, struct state *); */ -static void -subblock(struct vars * v, - chr start, /* first of BYTTAB chrs */ - struct state * lp, - struct state * rp) +static VOID +subblock(v, start, lp, rp) +struct vars *v; +pchr start; /* first of BYTTAB chrs */ +struct state *lp; +struct state *rp; { - uchr uc = start; + uchr uc = start; struct colormap *cm = v->cm; - int shift; - int level; - int i; - int b; + int shift; + int level; + int i; + int b = 0; union tree *t; union tree *cb; union tree *fillt; - union tree *lastt; - int previ; - int ndone; - color co; - color sco; + union tree *lastt = NULL; + int previ; + int ndone; + color co; + color sco; assert((uc % BYTTAB) == 0); @@ -466,23 +462,20 @@ subblock(struct vars * v, t = cm->tree; fillt = NULL; for (level = 0, shift = BYTBITS * (NBYTS - 1); shift > 0; - level++, shift -= BYTBITS) - { + level++, shift -= BYTBITS) { b = (uc >> shift) & BYTMASK; lastt = t; t = lastt->tptr[b]; assert(t != NULL); - fillt = &cm->tree[level + 1]; - if (t == fillt && shift > BYTBITS) - { /* need new ptr block */ - t = (union tree *) MALLOC(sizeof(struct ptrs)); - if (t == NULL) - { + fillt = &cm->tree[level+1]; + if (t == fillt && shift > BYTBITS) { /* need new ptr block */ + t = (union tree *)MALLOC(sizeof(struct ptrs)); + if (t == NULL) { CERR(REG_ESPACE); return; } memcpy(VS(t->tptr), VS(fillt->tptr), - BYTTAB * sizeof(union tree *)); + BYTTAB*sizeof(union tree *)); lastt->tptr[b] = t; } } @@ -490,16 +483,13 @@ subblock(struct vars * v, /* special cases: fill block or solid block */ co = t->tcolor[0]; cb = cm->cd[co].block; - if (t == fillt || t == cb) - { + if (t == fillt || t == cb) { /* either way, we want a subcolor solid block */ sco = newsub(cm, co); t = cm->cd[sco].block; - if (t == NULL) - { /* must set it up */ - t = (union tree *) MALLOC(sizeof(struct colors)); - if (t == NULL) - { + if (t == NULL) { /* must set it up */ + t = (union tree *)MALLOC(sizeof(struct colors)); + if (t == NULL) { CERR(REG_ESPACE); return; } @@ -517,14 +507,12 @@ subblock(struct vars * v, /* general case, a mixed block to be altered */ i = 0; - while (i < BYTTAB) - { + while (i < BYTTAB) { co = t->tcolor[i]; sco = newsub(cm, co); newarc(v->nfa, PLAIN, sco, lp, rp); previ = i; - do - { + do { t->tcolor[i++] = sco; } while (i < BYTTAB && t->tcolor[i] == co); ndone = i - previ; @@ -534,40 +522,35 @@ subblock(struct vars * v, } /* - * okcolors - promote subcolors to full colors + - okcolors - promote subcolors to full colors + ^ static VOID okcolors(struct nfa *, struct colormap *); */ -static void -okcolors(struct nfa * nfa, - struct colormap * cm) +static VOID +okcolors(nfa, cm) +struct nfa *nfa; +struct colormap *cm; { struct colordesc *cd; struct colordesc *end = CDEND(cm); struct colordesc *scd; struct arc *a; - color co; - color sco; + color co; + color sco; - for (cd = cm->cd, co = 0; cd < end; cd++, co++) - { + for (cd = cm->cd, co = 0; cd < end; cd++, co++) { sco = cd->sub; - if (UNUSEDCOLOR(cd) || sco == NOSUB) - { + if (UNUSEDCOLOR(cd) || sco == NOSUB) { /* has no subcolor, no further action */ - } - else if (sco == co) - { + } else if (sco == co) { /* is subcolor, let parent deal with it */ - } - else if (cd->nchrs == 0) - { + } else if (cd->nchrs == 0) { /* parent empty, its arcs change color to subcolor */ cd->sub = NOSUB; scd = &cm->cd[sco]; assert(scd->nchrs > 0); assert(scd->sub == sco); scd->sub = NOSUB; - while ((a = cd->arcs) != NULL) - { + while ((a = cd->arcs) != NULL) { assert(a->co == co); /* uncolorchain(cm, a); */ cd->arcs = a->colorchain; @@ -577,17 +560,14 @@ okcolors(struct nfa * nfa, scd->arcs = a; } freecolor(cm, co); - } - else - { + } else { /* parent's arcs must gain parallel subcolor arcs */ cd->sub = NOSUB; scd = &cm->cd[sco]; assert(scd->nchrs > 0); assert(scd->sub == sco); scd->sub = NOSUB; - for (a = cd->arcs; a != NULL; a = a->colorchain) - { + for (a = cd->arcs; a != NULL; a = a->colorchain) { assert(a->co == co); newarc(nfa, a->type, sco, a->from, a->to); } @@ -596,11 +576,13 @@ okcolors(struct nfa * nfa, } /* - * colorchain - add this arc to the color chain of its color + - colorchain - add this arc to the color chain of its color + ^ static VOID colorchain(struct colormap *, struct arc *); */ -static void -colorchain(struct colormap * cm, - struct arc * a) +static VOID +colorchain(cm, a) +struct colormap *cm; +struct arc *a; { struct colordesc *cd = &cm->cd[a->co]; @@ -609,36 +591,39 @@ colorchain(struct colormap * cm, } /* - * uncolorchain - delete this arc from the color chain of its color + - uncolorchain - delete this arc from the color chain of its color + ^ static VOID uncolorchain(struct colormap *, struct arc *); */ -static void -uncolorchain(struct colormap * cm, - struct arc * a) +static VOID +uncolorchain(cm, a) +struct colormap *cm; +struct arc *a; { struct colordesc *cd = &cm->cd[a->co]; struct arc *aa; aa = cd->arcs; - if (aa == a) /* easy case */ + if (aa == a) /* easy case */ cd->arcs = a->colorchain; - else - { + else { for (; aa != NULL && aa->colorchain != a; aa = aa->colorchain) continue; assert(aa != NULL); aa->colorchain = a->colorchain; } - a->colorchain = NULL; /* paranoia */ + a->colorchain = NULL; /* paranoia */ } /* - * singleton - is this character in its own color? + - singleton - is this character in its own color? + ^ static int singleton(struct colormap *, pchr c); */ -static int /* predicate */ -singleton(struct colormap * cm, - chr c) +static int /* predicate */ +singleton(cm, c) +struct colormap *cm; +pchr c; { - color co; /* color of c */ + color co; /* color of c */ co = GETCOLOR(cm, c); if (cm->cd[co].nchrs == 1 && cm->cd[co].sub == NOSUB) @@ -647,81 +632,90 @@ singleton(struct colormap * cm, } /* - * rainbow - add arcs of all full colors (but one) between specified states + - rainbow - add arcs of all full colors (but one) between specified states + ^ static VOID rainbow(struct nfa *, struct colormap *, int, pcolor, + ^ struct state *, struct state *); */ -static void -rainbow(struct nfa * nfa, - struct colormap * cm, - int type, - pcolor but, /* COLORLESS if no exceptions */ - struct state * from, - struct state * to) +static VOID +rainbow(nfa, cm, type, but, from, to) +struct nfa *nfa; +struct colormap *cm; +int type; +pcolor but; /* COLORLESS if no exceptions */ +struct state *from; +struct state *to; { struct colordesc *cd; struct colordesc *end = CDEND(cm); - color co; + color co; for (cd = cm->cd, co = 0; cd < end && !CISERR(); cd++, co++) if (!UNUSEDCOLOR(cd) && cd->sub != co && co != but && - !(cd->flags & PSEUDO)) + !(cd->flags&PSEUDO)) newarc(nfa, type, co, from, to); } /* - * colorcomplement - add arcs of complementary colors - * + - colorcomplement - add arcs of complementary colors * The calling sequence ought to be reconciled with cloneouts(). + ^ static VOID colorcomplement(struct nfa *, struct colormap *, int, + ^ struct state *, struct state *, struct state *); */ -static void -colorcomplement(struct nfa * nfa, - struct colormap * cm, - int type, - struct state * of, /* complements of this guy's PLAIN - * outarcs */ - struct state * from, - struct state * to) +static VOID +colorcomplement(nfa, cm, type, of, from, to) +struct nfa *nfa; +struct colormap *cm; +int type; +struct state *of; /* complements of this guy's PLAIN outarcs */ +struct state *from; +struct state *to; { struct colordesc *cd; struct colordesc *end = CDEND(cm); - color co; + color co; assert(of != from); for (cd = cm->cd, co = 0; cd < end && !CISERR(); cd++, co++) - if (!UNUSEDCOLOR(cd) && !(cd->flags & PSEUDO)) + if (!UNUSEDCOLOR(cd) && !(cd->flags&PSEUDO)) if (findarc(of, PLAIN, co) == NULL) newarc(nfa, type, co, from, to); } + #ifdef REG_DEBUG +/* + ^ #ifdef REG_DEBUG + */ /* - * dumpcolors - debugging output + - dumpcolors - debugging output + ^ static VOID dumpcolors(struct colormap *, FILE *); */ -static void -dumpcolors(struct colormap * cm, - FILE *f) +static VOID +dumpcolors(cm, f) +struct colormap *cm; +FILE *f; { struct colordesc *cd; struct colordesc *end; - color co; - chr c; - char *has; + color co; + chr c; + char *has; - fprintf(f, "max %ld\n", (long) cm->max); + fprintf(f, "max %ld\n", (long)cm->max); if (NBYTS > 1) fillcheck(cm, cm->tree, 0, f); end = CDEND(cm); - for (cd = cm->cd + 1, co = 1; cd < end; cd++, co++) /* skip 0 */ - if (!UNUSEDCOLOR(cd)) - { + for (cd = cm->cd + 1, co = 1; cd < end; cd++, co++) /* skip 0 */ + if (!UNUSEDCOLOR(cd)) { assert(cd->nchrs > 0); has = (cd->block != NULL) ? "#" : ""; - if (cd->flags & PSEUDO) - fprintf(f, "#%2ld%s(ps): ", (long) co, has); + if (cd->flags&PSEUDO) + fprintf(f, "#%2ld%s(ps): ", (long)co, has); else - fprintf(f, "#%2ld%s(%2d): ", (long) co, - has, cd->nchrs); + fprintf(f, "#%2ld%s(%2d): ", (long)co, + has, cd->nchrs); /* it's hard to do this more efficiently */ for (c = CHR_MIN; c < CHR_MAX; c++) if (GETCOLOR(cm, c) == co) @@ -734,47 +728,51 @@ dumpcolors(struct colormap * cm, } /* - * fillcheck - check proper filling of a tree + - fillcheck - check proper filling of a tree + ^ static VOID fillcheck(struct colormap *, union tree *, int, FILE *); */ -static void -fillcheck(struct colormap * cm, - union tree * tree, - int level, /* level number (top == 0) of this block */ - FILE *f) +static VOID +fillcheck(cm, tree, level, f) +struct colormap *cm; +union tree *tree; +int level; /* level number (top == 0) of this block */ +FILE *f; { - int i; + int i; union tree *t; - union tree *fillt = &cm->tree[level + 1]; + union tree *fillt = &cm->tree[level+1]; - assert(level < NBYTS - 1); /* this level has pointers */ - for (i = BYTTAB - 1; i >= 0; i--) - { + assert(level < NBYTS-1); /* this level has pointers */ + for (i = BYTTAB-1; i >= 0; i--) { t = tree->tptr[i]; if (t == NULL) fprintf(f, "NULL found in filled tree!\n"); else if (t == fillt) - { - } - else if (level < NBYTS - 2) /* more pointer blocks below */ - fillcheck(cm, t, level + 1, f); + {} + else if (level < NBYTS-2) /* more pointer blocks below */ + fillcheck(cm, t, level+1, f); } } /* - * dumpchr - print a chr - * + - dumpchr - print a chr * Kind of char-centric but works well enough for debug use. + ^ static VOID dumpchr(pchr, FILE *); */ -static void -dumpchr(chr c, - FILE *f) +static VOID +dumpchr(c, f) +pchr c; +FILE *f; { if (c == '\\') fprintf(f, "\\\\"); else if (c > ' ' && c <= '~') - putc((char) c, f); + putc((char)c, f); else - fprintf(f, "\\u%04lx", (long) c); + fprintf(f, "\\u%04lx", (long)c); } -#endif /* REG_DEBUG */ +/* + ^ #endif + */ +#endif /* ifdef REG_DEBUG */