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-rw-r--r--generic/regcomp.c319
1 files changed, 157 insertions, 162 deletions
diff --git a/generic/regcomp.c b/generic/regcomp.c
index 4137caf..b9169f9 100644
--- a/generic/regcomp.c
+++ b/generic/regcomp.c
@@ -2,11 +2,11 @@
* re_*comp and friends - compile REs
* This file #includes several others (see the bottom).
*
- * 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
+ * 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
@@ -19,7 +19,7 @@
*
* 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
+ * 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;
@@ -39,148 +39,148 @@
/* automatically gathered by fwd; do not hand-edit */
/* === regcomp.c === */
int compile(regex_t *, const chr *, size_t, int);
-static VOID moresubs(struct vars *, int);
+static void moresubs(struct vars *, int);
static int freev(struct vars *, int);
-static VOID makesearch(struct vars *, struct nfa *);
+static void makesearch(struct vars *, struct nfa *);
static struct subre *parse(struct vars *, int, int, struct state *, struct state *);
static struct subre *parsebranch(struct vars *, int, int, struct state *, struct state *, int);
-static VOID parseqatom(struct vars *, int, int, struct state *, struct state *, struct subre *);
-static VOID nonword(struct vars *, int, struct state *, struct state *);
-static VOID word(struct vars *, int, struct state *, struct state *);
+static void parseqatom(struct vars *, int, int, struct state *, struct state *, struct subre *);
+static void nonword(struct vars *, int, struct state *, struct state *);
+static void word(struct vars *, int, struct state *, struct state *);
static int scannum(struct vars *);
-static VOID repeat(struct vars *, struct state *, struct state *, int, int);
-static VOID bracket(struct vars *, struct state *, struct state *);
-static VOID cbracket(struct vars *, struct state *, struct state *);
-static VOID brackpart(struct vars *, struct state *, struct state *);
+static void repeat(struct vars *, struct state *, struct state *, int, int);
+static void bracket(struct vars *, struct state *, struct state *);
+static void cbracket(struct vars *, struct state *, struct state *);
+static void brackpart(struct vars *, struct state *, struct state *);
static const chr *scanplain(struct vars *);
-static VOID leaders(struct vars *, struct cvec *);
-static VOID onechr(struct vars *, pchr, struct state *, struct state *);
-static VOID dovec(struct vars *, struct cvec *, struct state *, struct state *);
+static void leaders(struct vars *, struct cvec *);
+static void onechr(struct vars *, pchr, struct state *, struct state *);
+static void dovec(struct vars *, struct cvec *, struct state *, struct state *);
#ifdef REGEXP_MCCE_ENABLED
static celt nextleader(struct vars *, pchr, pchr);
#endif
-static VOID wordchrs(struct vars *);
+static void wordchrs(struct vars *);
static struct subre *subre(struct vars *, int, int, struct state *, struct state *);
-static VOID freesubre(struct vars *, struct subre *);
-static VOID freesrnode(struct vars *, struct subre *);
-static VOID optst(struct vars *, struct subre *);
+static void freesubre(struct vars *, struct subre *);
+static void freesrnode(struct vars *, struct subre *);
+static void optst(struct vars *, struct subre *);
static int numst(struct subre *, int);
-static VOID markst(struct subre *);
-static VOID cleanst(struct vars *);
+static void markst(struct subre *);
+static void cleanst(struct vars *);
static long nfatree(struct vars *, struct subre *, FILE *);
static long nfanode(struct vars *, struct subre *, FILE *);
static int newlacon(struct vars *, struct state *, struct state *, int);
-static VOID freelacons(struct subre *, int);
-static VOID rfree(regex_t *);
-static VOID dump(regex_t *, FILE *);
-static VOID dumpst(struct subre *, FILE *, int);
-static VOID stdump(struct subre *, FILE *, int);
+static void freelacons(struct subre *, int);
+static void rfree(regex_t *);
+static void dump(regex_t *, FILE *);
+static void dumpst(struct subre *, FILE *, int);
+static void stdump(struct subre *, FILE *, int);
static const char *stid(struct subre *, char *, size_t);
/* === regc_lex.c === */
-static VOID lexstart(struct vars *);
-static VOID prefixes(struct vars *);
-static VOID lexnest(struct vars *, const chr *, const chr *);
-static VOID lexword(struct vars *);
+static void lexstart(struct vars *);
+static void prefixes(struct vars *);
+static void lexnest(struct vars *, const chr *, const chr *);
+static void lexword(struct vars *);
static int next(struct vars *);
static int lexescape(struct vars *);
static chr lexdigits(struct vars *, int, int, int);
static int brenext(struct vars *, pchr);
-static VOID skip(struct vars *);
+static void skip(struct vars *);
static chr newline(NOPARMS);
#ifdef REG_DEBUG
static const chr *ch(NOPARMS);
#endif
static chr chrnamed(struct vars *, const chr *, const chr *, pchr);
/* === regc_color.c === */
-static VOID initcm(struct vars *, struct colormap *);
-static VOID freecm(struct colormap *);
-static VOID cmtreefree(struct colormap *, union tree *, int);
+static void initcm(struct vars *, struct colormap *);
+static void freecm(struct colormap *);
+static void cmtreefree(struct colormap *, union tree *, int);
static color setcolor(struct colormap *, pchr, pcolor);
static color maxcolor(struct colormap *);
static color newcolor(struct colormap *);
-static VOID freecolor(struct colormap *, pcolor);
+static void freecolor(struct colormap *, pcolor);
static color pseudocolor(struct colormap *);
static color subcolor(struct colormap *, pchr c);
static color newsub(struct colormap *, pcolor);
-static VOID subrange(struct vars *, pchr, pchr, struct state *, struct state *);
-static VOID subblock(struct vars *, pchr, struct state *, struct state *);
-static VOID okcolors(struct nfa *, struct colormap *);
-static VOID colorchain(struct colormap *, struct arc *);
-static VOID uncolorchain(struct colormap *, struct arc *);
+static void subrange(struct vars *, pchr, pchr, struct state *, struct state *);
+static void subblock(struct vars *, pchr, struct state *, struct state *);
+static void okcolors(struct nfa *, struct colormap *);
+static void colorchain(struct colormap *, struct arc *);
+static void uncolorchain(struct colormap *, struct arc *);
#ifdef REGEXP_MCCE_ENABLED
static int singleton(struct colormap *, pchr c);
#endif
-static VOID rainbow(struct nfa *, struct colormap *, int, pcolor, struct state *, struct state *);
-static VOID colorcomplement(struct nfa *, struct colormap *, int, struct state *, struct state *, struct state *);
+static void rainbow(struct nfa *, struct colormap *, int, pcolor, struct state *, struct state *);
+static void colorcomplement(struct nfa *, struct colormap *, int, struct state *, struct state *, struct state *);
#ifdef REG_DEBUG
-static VOID dumpcolors(struct colormap *, FILE *);
-static VOID fillcheck(struct colormap *, union tree *, int, FILE *);
-static VOID dumpchr(pchr, FILE *);
+static void dumpcolors(struct colormap *, FILE *);
+static void fillcheck(struct colormap *, union tree *, int, FILE *);
+static void dumpchr(pchr, FILE *);
#endif
/* === regc_nfa.c === */
static struct nfa *newnfa(struct vars *, struct colormap *, struct nfa *);
-static VOID freenfa(struct nfa *);
+static void freenfa(struct nfa *);
static struct state *newstate(struct nfa *);
static struct state *newfstate(struct nfa *, int flag);
-static VOID dropstate(struct nfa *, struct state *);
-static VOID freestate(struct nfa *, struct state *);
-static VOID destroystate(struct nfa *, struct state *);
-static VOID newarc(struct nfa *, int, pcolor, struct state *, struct state *);
+static void dropstate(struct nfa *, struct state *);
+static void freestate(struct nfa *, struct state *);
+static void destroystate(struct nfa *, struct state *);
+static void newarc(struct nfa *, int, pcolor, struct state *, struct state *);
static struct arc *allocarc(struct nfa *, struct state *);
-static VOID freearc(struct nfa *, struct arc *);
+static void freearc(struct nfa *, struct arc *);
static struct arc *findarc(struct state *, int, pcolor);
-static VOID cparc(struct nfa *, struct arc *, struct state *, struct state *);
-static VOID moveins(struct nfa *, struct state *, struct state *);
-static VOID copyins(struct nfa *, struct state *, struct state *);
-static VOID moveouts(struct nfa *, struct state *, struct state *);
-static VOID copyouts(struct nfa *, struct state *, struct state *);
-static VOID cloneouts(struct nfa *, struct state *, struct state *, struct state *, int);
-static VOID delsub(struct nfa *, struct state *, struct state *);
-static VOID deltraverse(struct nfa *, struct state *, struct state *);
-static VOID dupnfa(struct nfa *, struct state *, struct state *, struct state *, struct state *);
-static VOID duptraverse(struct nfa *, struct state *, struct state *);
-static VOID cleartraverse(struct nfa *, struct state *);
-static VOID specialcolors(struct nfa *);
+static void cparc(struct nfa *, struct arc *, struct state *, struct state *);
+static void moveins(struct nfa *, struct state *, struct state *);
+static void copyins(struct nfa *, struct state *, struct state *);
+static void moveouts(struct nfa *, struct state *, struct state *);
+static void copyouts(struct nfa *, struct state *, struct state *);
+static void cloneouts(struct nfa *, struct state *, struct state *, struct state *, int);
+static void delsub(struct nfa *, struct state *, struct state *);
+static void deltraverse(struct nfa *, struct state *, struct state *);
+static void dupnfa(struct nfa *, struct state *, struct state *, struct state *, struct state *);
+static void duptraverse(struct nfa *, struct state *, struct state *);
+static void cleartraverse(struct nfa *, struct state *);
+static void specialcolors(struct nfa *);
static long optimize(struct nfa *, FILE *);
-static VOID pullback(struct nfa *, FILE *);
+static void pullback(struct nfa *, FILE *);
static int pull(struct nfa *, struct arc *);
-static VOID pushfwd(struct nfa *, FILE *);
+static void pushfwd(struct nfa *, FILE *);
static int push(struct nfa *, struct arc *);
#define INCOMPATIBLE 1 /* destroys arc */
#define SATISFIED 2 /* constraint satisfied */
#define COMPATIBLE 3 /* compatible but not satisfied yet */
static int combine(struct arc *, struct arc *);
-static VOID fixempties(struct nfa *, FILE *);
+static void fixempties(struct nfa *, FILE *);
static int unempty(struct nfa *, struct arc *);
-static VOID cleanup(struct nfa *);
-static VOID markreachable(struct nfa *, struct state *, struct state *, struct state *);
-static VOID markcanreach(struct nfa *, struct state *, struct state *, struct state *);
+static void cleanup(struct nfa *);
+static void markreachable(struct nfa *, struct state *, struct state *, struct state *);
+static void markcanreach(struct nfa *, struct state *, struct state *, struct state *);
static long analyze(struct nfa *);
-static VOID compact(struct nfa *, struct cnfa *);
-static VOID carcsort(struct carc *, struct carc *);
-static VOID freecnfa(struct cnfa *);
-static VOID dumpnfa(struct nfa *, FILE *);
+static void compact(struct nfa *, struct cnfa *);
+static void carcsort(struct carc *, struct carc *);
+static void freecnfa(struct cnfa *);
+static void dumpnfa(struct nfa *, FILE *);
#ifdef REG_DEBUG
-static VOID dumpstate(struct state *, FILE *);
-static VOID dumparcs(struct state *, FILE *);
+static void dumpstate(struct state *, FILE *);
+static void dumparcs(struct state *, FILE *);
static int dumprarcs(struct arc *, struct state *, FILE *, int);
-static VOID dumparc(struct arc *, struct state *, FILE *);
+static void dumparc(struct arc *, struct state *, FILE *);
#endif
-static VOID dumpcnfa(struct cnfa *, FILE *);
+static void dumpcnfa(struct cnfa *, FILE *);
#ifdef REG_DEBUG
-static VOID dumpcstate(int, struct carc *, struct cnfa *, FILE *);
+static void dumpcstate(int, struct carc *, struct cnfa *, FILE *);
#endif
/* === regc_cvec.c === */
static struct cvec *newcvec(int, int, int);
static struct cvec *clearcvec(struct cvec *);
-static VOID addchr(struct cvec *, pchr);
-static VOID addrange(struct cvec *, pchr, pchr);
+static void addchr(struct cvec *, pchr);
+static void addrange(struct cvec *, pchr, pchr);
#ifdef REGEXP_MCCE_ENABLED
-static VOID addmcce(struct cvec *, const chr *, const chr *);
+static void addmcce(struct cvec *, const chr *, const chr *);
#endif
static int haschr(struct cvec *, pchr);
static struct cvec *getcvec(struct vars *, int, int, int);
-static VOID freecvec(struct cvec *);
+static void freecvec(struct cvec *);
/* === regc_locale.c === */
static int nmcces(struct vars *);
static int nleaders(struct vars *);
@@ -291,7 +291,7 @@ compile(
struct guts *g;
int i;
size_t j;
- FILE *debug = (flags&REG_PROGRESS) ? stdout : (FILE *)NULL;
+ FILE *debug = (flags&REG_PROGRESS) ? stdout : NULL;
#define CNOERR() { if (ISERR()) return freev(v, v->err); }
/*
@@ -353,7 +353,7 @@ compile(
if (re->re_guts == NULL) {
return freev(v, REG_ESPACE);
}
- g = (struct guts *)re->re_guts;
+ g = (struct guts *) re->re_guts;
g->tree = NULL;
initcm(v, &g->cmap);
v->cm = &g->cmap;
@@ -374,7 +374,7 @@ compile(
leaders(v, v->mcces);
#ifdef REGEXP_MCCE_ENABLED
/* Function does nothing with NULL pointers */
- addmcce(v->mcces, (const chr *)NULL, (const chr *)NULL); /* dummy */
+ addmcce(v->mcces, NULL, NULL); /* dummy */
#endif
}
CNOERR();
@@ -448,7 +448,7 @@ compile(
* Can sacrifice main NFA now, so use it as work area.
*/
- (DISCARD)optimize(v->nfa, debug);
+ (DISCARD) optimize(v->nfa, debug);
CNOERR();
makesearch(v, v->nfa);
CNOERR();
@@ -460,7 +460,7 @@ compile(
*/
re->re_nsub = v->nsubexp;
- v->re = NULL; /* freev no longer frees re */
+ v->re = NULL; /* freev no longer frees re */
g->magic = GUTSMAGIC;
g->cflags = v->cflags;
g->info = re->re_info;
@@ -483,7 +483,7 @@ compile(
/*
- moresubs - enlarge subRE vector
- ^ static VOID moresubs(struct vars *, int);
+ ^ static void moresubs(struct vars *, int);
*/
static void
moresubs(
@@ -496,12 +496,12 @@ moresubs(
assert(wanted > 0 && (size_t)wanted >= v->nsubs);
n = (size_t)wanted * 3 / 2 + 1;
if (v->subs == v->sub10) {
- p = (struct subre **)MALLOC(n * sizeof(struct subre *));
+ p = (struct subre **) MALLOC(n * sizeof(struct subre *));
if (p != NULL) {
- memcpy(VS(p), VS(v->subs), v->nsubs * sizeof(struct subre *));
+ memcpy(p, v->subs, v->nsubs * sizeof(struct subre *));
}
} else {
- p = (struct subre **)REALLOC(v->subs, n*sizeof(struct subre *));
+ p = (struct subre **) REALLOC(v->subs, n*sizeof(struct subre *));
}
if (p == NULL) {
ERR(REG_ESPACE);
@@ -518,8 +518,8 @@ moresubs(
/*
- freev - free vars struct's substructures where necessary
- * Optionally does error-number setting, and always returns error code
- * (if any), to make error-handling code terser.
+ * Optionally does error-number setting, and always returns error code (if
+ * any), to make error-handling code terser.
^ static int freev(struct vars *, int);
*/
static int
@@ -566,19 +566,16 @@ freev(
/*
- makesearch - turn an NFA into a search NFA (implicit prepend of .*?)
* NFA must have been optimize()d already.
- ^ static VOID makesearch(struct vars *, struct nfa *);
+ ^ static void makesearch(struct vars *, struct nfa *);
*/
static void
makesearch(
struct vars *v,
struct nfa *nfa)
{
- struct arc *a;
- struct arc *b;
+ struct arc *a, *b;
struct state *pre = nfa->pre;
- struct state *s;
- struct state *s2;
- struct state *slist;
+ struct state *s, *s2, *slist;
/*
* No loops are needed if it's anchored.
@@ -619,9 +616,9 @@ makesearch(
*/
slist = NULL;
- for (a = pre->outs; a != NULL; a = a->outchain) {
+ for (a=pre->outs ; a!=NULL ; a=a->outchain) {
s = a->to;
- for (b = s->ins; b != NULL; b = b->inchain) {
+ for (b=s->ins ; b!=NULL ; b=b->inchain) {
if (b->from != pre) {
break;
}
@@ -641,11 +638,13 @@ makesearch(
* Do the splits.
*/
- for (s = slist; s != NULL; s = s2) {
+ for (s=slist ; s!=NULL ; s=s2) {
s2 = newstate(nfa);
+
copyouts(nfa, s, s2);
- for (a = s->ins; a != NULL; a = b) {
+ for (a=s->ins ; a!=NULL ; a=b) {
b = a->inchain;
+
if (a->from != pre) {
cparc(nfa, a, a->from, s2);
freearc(nfa, a);
@@ -658,9 +657,9 @@ makesearch(
/*
- parse - parse an RE
- * This is actually just the top level, which parses a bunch of branches
- * tied together with '|'. They appear in the tree as the left children
- * of a chain of '|' subres.
+ * This is actually just the top level, which parses a bunch of branches tied
+ * together with '|'. They appear in the tree as the left children of a chain
+ * of '|' subres.
^ static struct subre *parse(struct vars *, int, int, struct state *,
^ struct state *);
*/
@@ -672,8 +671,7 @@ parse(
struct state *init, /* initial state */
struct state *final) /* final state */
{
- struct state *left; /* scaffolding for branch */
- struct state *right;
+ struct state *left, *right; /* scaffolding for branch */
struct subre *branches; /* top level */
struct subre *branch; /* current branch */
struct subre *t; /* temporary */
@@ -792,7 +790,7 @@ parsebranch(
* The bookkeeping near the end cooperates very closely with parsebranch(); in
* particular, it contains a recursion that can involve parsing the rest of
* the branch, making this function's name somewhat inaccurate.
- ^ static VOID parseqatom(struct vars *, int, int, struct state *,
+ ^ static void parseqatom(struct vars *, int, int, struct state *,
^ struct state *, struct subre *);
*/
static void
@@ -824,7 +822,7 @@ parseqatom(
atom = NULL;
assert(lp->nouts == 0); /* must string new code */
- assert(rp->nins == 0); /* between lp and rp */
+ assert(rp->nins == 0); /* between lp and rp */
subno = 0; /* just to shut lint up */
/*
@@ -1142,7 +1140,7 @@ parseqatom(
}
/*
- * prepare a general-purpose state skeleton
+ * Prepare a general-purpose state skeleton.
*
* ---> [s] ---prefix---> [begin] ---atom---> [end] ----rest---> [rp]
* / /
@@ -1243,8 +1241,8 @@ parseqatom(
*/
repeat(v, atom->begin, atom->end, m, n);
- atom->min = (short)m;
- atom->max = (short)n;
+ atom->min = (short) m;
+ atom->max = (short) n;
atom->flags |= COMBINE(qprefer, atom->flags);
} else if (m == 1 && n == 1) {
/*
@@ -1288,7 +1286,7 @@ parseqatom(
/*
- nonword - generate arcs for non-word-character ahead or behind
- ^ static VOID nonword(struct vars *, int, struct state *, struct state *);
+ ^ static void nonword(struct vars *, int, struct state *, struct state *);
*/
static void
nonword(
@@ -1308,7 +1306,7 @@ nonword(
/*
- word - generate arcs for word character ahead or behind
- ^ static VOID word(struct vars *, int, struct state *, struct state *);
+ ^ static void word(struct vars *, int, struct state *, struct state *);
*/
static void
word(
@@ -1347,11 +1345,11 @@ scannum(
- repeat - replicate subNFA for quantifiers
* The duplication sequences used here are chosen carefully so that any
* pointers starting out pointing into the subexpression end up pointing into
- * the last occurrence. (Note that it may not be strung between the same
- * left and right end states, however!) This used to be important for the
- * subRE tree, although the important bits are now handled by the in-line
- * code in parse(), and when this is called, it doesn't matter any more.
- ^ static VOID repeat(struct vars *, struct state *, struct state *, int, int);
+ * the last occurrence. (Note that it may not be strung between the same left
+ * and right end states, however!) This used to be important for the subRE
+ * tree, although the important bits are now handled by the in-line code in
+ * parse(), and when this is called, it doesn't matter any more.
+ ^ static void repeat(struct vars *, struct state *, struct state *, int, int);
*/
static void
repeat(
@@ -1367,8 +1365,7 @@ repeat(
#define REDUCE(x) ( ((x) == INFINITY) ? INF : (((x) > 1) ? SOME : (x)) )
const int rm = REDUCE(m);
const int rn = REDUCE(n);
- struct state *s;
- struct state *s2;
+ struct state *s, *s2;
switch (PAIR(rm, rn)) {
case PAIR(0, 0): /* empty string */
@@ -1438,7 +1435,7 @@ repeat(
/*
- bracket - handle non-complemented bracket expression
* Also called from cbracket for complemented bracket expressions.
- ^ static VOID bracket(struct vars *, struct state *, struct state *);
+ ^ static void bracket(struct vars *, struct state *, struct state *);
*/
static void
bracket(
@@ -1460,7 +1457,7 @@ bracket(
* We do it by calling bracket() with dummy endpoints, and then complementing
* the result. The alternative would be to invoke rainbow(), and then delete
* arcs as the b.e. is seen... but that gets messy.
- ^ static VOID cbracket(struct vars *, struct state *, struct state *);
+ ^ static void cbracket(struct vars *, struct state *, struct state *);
*/
static void
cbracket(
@@ -1471,9 +1468,9 @@ cbracket(
struct state *left = newstate(v->nfa);
struct state *right = newstate(v->nfa);
struct state *s;
- struct arc *a; /* arc from lp */
- struct arc *ba; /* arc from left, from bracket() */
- struct arc *pa; /* MCCE-prototype arc */
+ struct arc *a; /* arc from lp */
+ struct arc *ba; /* arc from left, from bracket() */
+ struct arc *pa; /* MCCE-prototype arc */
color co;
const chr *p;
int i;
@@ -1485,7 +1482,7 @@ cbracket(
}
NOERR();
- assert(lp->nouts == 0); /* all outarcs will be ours */
+ assert(lp->nouts == 0); /* all outarcs will be ours */
/*
* Easy part of complementing
@@ -1493,7 +1490,7 @@ cbracket(
colorcomplement(v->nfa, v->cm, PLAIN, left, lp, rp);
NOERR();
- if (v->mcces == NULL) { /* no MCCEs -- we're done */
+ if (v->mcces == NULL) { /* no MCCEs -- we're done */
dropstate(v->nfa, left);
assert(right->nins == 0);
freestate(v->nfa, right);
@@ -1553,7 +1550,7 @@ cbracket(
/*
- brackpart - handle one item (or range) within a bracket expression
- ^ static VOID brackpart(struct vars *, struct state *, struct state *);
+ ^ static void brackpart(struct vars *, struct state *, struct state *);
*/
static void
brackpart(
@@ -1561,11 +1558,9 @@ brackpart(
struct state *lp,
struct state *rp)
{
- celt startc;
- celt endc;
+ celt startc, endc;
struct cvec *cv;
- const chr *startp;
- const chr *endp;
+ const chr *startp, *endp;
chr c[1];
/*
@@ -1699,7 +1694,7 @@ scanplain(
- leaders - process a cvec of collating elements to also include leaders
* Also gives all characters involved their own colors, which is almost
* certainly necessary, and sets up little disconnected subNFA.
- ^ static VOID leaders(struct vars *, struct cvec *);
+ ^ static void leaders(struct vars *, struct cvec *);
*/
static void
leaders(
@@ -1740,7 +1735,7 @@ leaders(
/*
- onechr - fill in arcs for a plain character, and possible case complements
* This is mostly a shortcut for efficient handling of the common case.
- ^ static VOID onechr(struct vars *, pchr, struct state *, struct state *);
+ ^ static void onechr(struct vars *, pchr, struct state *, struct state *);
*/
static void
onechr(
@@ -1761,7 +1756,7 @@ onechr(
/*
- dovec - fill in arcs for each element of a cvec
* This one has to handle the messy cases, like MCCEs and MCCE leaders.
- ^ static VOID dovec(struct vars *, struct cvec *, struct state *,
+ ^ static void dovec(struct vars *, struct cvec *, struct state *,
^ struct state *);
*/
#ifndef REGEXP_MCCE_ENABLED
@@ -1828,7 +1823,7 @@ dovec(
} else {
leads = NULL;
}
-
+
/*
* First, get the ordinary characters out of the way.
*/
@@ -1876,7 +1871,7 @@ dovec(
* Possibly just a problem with parens? The original condition was
* ((leads == NULL || leads->nchrs == 0) && cv->nmcces == 0)
*/
-
+
if (leads == NULL || (leads->nchrs == 0 && cv->nmcces == 0)) {
return;
}
@@ -1976,14 +1971,13 @@ nextleader(
* not be called from any unusual lexical context. This should be reconciled
* with the \w etc. handling in lex.c, and should be cleaned up to reduce
* dependencies on input scanning.
- ^ static VOID wordchrs(struct vars *);
+ ^ static void wordchrs(struct vars *);
*/
static void
wordchrs(
struct vars *v)
{
- struct state *left;
- struct state *right;
+ struct state *left, *right;
if (v->wordchrs != NULL) {
NEXT(); /* for consistency */
@@ -2021,13 +2015,12 @@ subre(
struct state *begin,
struct state *end)
{
- struct subre *ret;
+ struct subre *ret = v->treefree;
- ret = v->treefree;
if (ret != NULL) {
v->treefree = ret->left;
} else {
- ret = (struct subre *)MALLOC(sizeof(struct subre));
+ ret = (struct subre *) MALLOC(sizeof(struct subre));
if (ret == NULL) {
ERR(REG_ESPACE);
return NULL;
@@ -2054,7 +2047,7 @@ subre(
/*
- freesubre - free a subRE subtree
- ^ static VOID freesubre(struct vars *, struct subre *);
+ ^ static void freesubre(struct vars *, struct subre *);
*/
static void
freesubre(
@@ -2077,7 +2070,7 @@ freesubre(
/*
- freesrnode - free one node in a subRE subtree
- ^ static VOID freesrnode(struct vars *, struct subre *);
+ ^ static void freesrnode(struct vars *, struct subre *);
*/
static void
freesrnode(
@@ -2103,7 +2096,7 @@ freesrnode(
/*
- optst - optimize a subRE subtree
- ^ static VOID optst(struct vars *, struct subre *);
+ ^ static void optst(struct vars *, struct subre *);
*/
static void
optst(
@@ -2140,7 +2133,7 @@ numst(
assert(t != NULL);
i = start;
- t->retry = (short)i++;
+ t->retry = (short) i++;
if (t->left != NULL) {
i = numst(t->left, i);
}
@@ -2152,7 +2145,7 @@ numst(
/*
- markst - mark tree nodes as INUSE
- ^ static VOID markst(struct subre *);
+ ^ static void markst(struct subre *);
*/
static void
markst(
@@ -2171,7 +2164,7 @@ markst(
/*
- cleanst - free any tree nodes not marked INUSE
- ^ static VOID cleanst(struct vars *);
+ ^ static void cleanst(struct vars *);
*/
static void
cleanst(
@@ -2203,10 +2196,10 @@ nfatree(
assert(t != NULL && t->begin != NULL);
if (t->left != NULL) {
- (DISCARD)nfatree(v, t->left, f);
+ (DISCARD) nfatree(v, t->left, f);
}
if (t->right != NULL) {
- (DISCARD)nfatree(v, t->right, f);
+ (DISCARD) nfatree(v, t->right, f);
}
return nfanode(v, t, f);
@@ -2258,22 +2251,24 @@ newlacon(
struct state *end,
int pos)
{
- int n;
struct subre *sub;
+ int n;
if (v->nlacons == 0) {
- v->lacons = (struct subre *)MALLOC(2 * sizeof(struct subre));
+ v->lacons = (struct subre *) MALLOC(2 * sizeof(struct subre));
n = 1; /* skip 0th */
v->nlacons = 2;
} else {
- v->lacons = (struct subre *)REALLOC(v->lacons,
+ v->lacons = (struct subre *) REALLOC(v->lacons,
(v->nlacons+1)*sizeof(struct subre));
n = v->nlacons++;
}
+
if (v->lacons == NULL) {
ERR(REG_ESPACE);
return 0;
}
+
sub = &v->lacons[n];
sub->begin = begin;
sub->end = end;
@@ -2284,7 +2279,7 @@ newlacon(
/*
- freelacons - free lookahead-constraint subRE vector
- ^ static VOID freelacons(struct subre *, int);
+ ^ static void freelacons(struct subre *, int);
*/
static void
freelacons(
@@ -2305,7 +2300,7 @@ freelacons(
/*
- rfree - free a whole RE (insides of regfree)
- ^ static VOID rfree(regex_t *);
+ ^ static void rfree(regex_t *);
*/
static void
rfree(
@@ -2337,7 +2332,7 @@ rfree(
/*
- dump - dump an RE in human-readable form
- ^ static VOID dump(regex_t *, FILE *);
+ ^ static void dump(regex_t *, FILE *);
*/
static void
dump(
@@ -2356,7 +2351,7 @@ dump(
fprintf(f, "NULL guts!!!\n");
return;
}
- g = (struct guts *)re->re_guts;
+ g = (struct guts *) re->re_guts;
if (g->magic != GUTSMAGIC) {
fprintf(f, "bad guts magic number (0x%x not 0x%x)\n",
g->magic, GUTSMAGIC);
@@ -2383,7 +2378,7 @@ dump(
/*
- dumpst - dump a subRE tree
- ^ static VOID dumpst(struct subre *, FILE *, int);
+ ^ static void dumpst(struct subre *, FILE *, int);
*/
static void
dumpst(
@@ -2401,7 +2396,7 @@ dumpst(
/*
- stdump - recursive guts of dumpst
- ^ static VOID stdump(struct subre *, FILE *, int);
+ ^ static void stdump(struct subre *, FILE *, int);
*/
static void
stdump(
generated by cgit v0.12 at 2024-12-03 21:36:03 (GMT)