diff options
Diffstat (limited to 'generic/regc_cvec.c')
-rw-r--r-- | generic/regc_cvec.c | 111 |
1 files changed, 59 insertions, 52 deletions
diff --git a/generic/regc_cvec.c b/generic/regc_cvec.c index d2d56fc..f4c6dd0 100644 --- a/generic/regc_cvec.c +++ b/generic/regc_cvec.c @@ -3,20 +3,20 @@ * This file is #included by regcomp.c. * * 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. - * + * 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. - * + * + * 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 @@ -27,18 +27,17 @@ * 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. - * */ - + /* - newcvec - allocate a new cvec ^ static struct cvec *newcvec(int, int, int); */ static struct cvec * -newcvec(nchrs, nranges, nmcces) - int nchrs; /* to hold this many chrs... */ - int nranges; /* ... and this many ranges... */ - int nmcces; /* ... and this many MCCEs */ +newcvec( + int nchrs, /* to hold this many chrs... */ + int nranges, /* ... and this many ranges... */ + int nmcces) /* ... and this many MCCEs */ { size_t n; size_t nc; @@ -58,15 +57,15 @@ newcvec(nchrs, nranges, nmcces) cv->rangespace = nranges; return clearcvec(cv); } - + /* - clearcvec - clear a possibly-new cvec * Returns pointer as convenience. ^ static struct cvec *clearcvec(struct cvec *); */ static struct cvec * -clearcvec(cv) - struct cvec *cv; /* character vector */ +clearcvec( + struct cvec *cv) /* character vector */ { int i; @@ -82,45 +81,45 @@ clearcvec(cv) return cv; } - + /* - addchr - add a chr to a cvec ^ static VOID addchr(struct cvec *, pchr); */ -static VOID -addchr(cv, c) - struct cvec *cv; /* character vector */ - pchr c; /* character to add */ +static void +addchr( + struct cvec *cv, /* character vector */ + pchr c) /* character to add */ { assert(cv->nchrs < cv->chrspace - cv->nmccechrs); cv->chrs[cv->nchrs++] = (chr)c; } - + /* - addrange - add a range to a cvec ^ static VOID addrange(struct cvec *, pchr, pchr); */ -static VOID -addrange(cv, from, to) - struct cvec *cv; /* character vector */ - pchr from; /* first character of range */ - pchr to; /* last character of range */ +static void +addrange( + struct cvec *cv, /* character vector */ + pchr from, /* first character of range */ + pchr to) /* last character of range */ { assert(cv->nranges < cv->rangespace); cv->ranges[cv->nranges*2] = (chr)from; cv->ranges[cv->nranges*2 + 1] = (chr)to; cv->nranges++; } - + /* - addmcce - add an MCCE to a cvec ^ static VOID addmcce(struct cvec *, chr *, chr *); */ -static VOID -addmcce(cv, startp, endp) - struct cvec *cv; /* character vector */ - chr *startp; /* beginning of text */ - chr *endp; /* just past end of text */ +static void +addmcce( + struct cvec *cv, /* character vector */ + chr *startp, /* beginning of text */ + chr *endp) /* just past end of text */ { int len; int i; @@ -139,19 +138,19 @@ addmcce(cv, startp, endp) for (s = startp, i = len; i > 0; s++, i--) { *d++ = *s; } - *d++ = 0; /* endmarker */ + *d++ = 0; /* endmarker */ assert(d == &cv->chrs[cv->chrspace - cv->nmccechrs]); cv->nmccechrs += len + 1; } - + /* - haschr - does a cvec contain this chr? ^ static int haschr(struct cvec *, pchr); */ -static int /* predicate */ -haschr(cv, c) - struct cvec *cv; /* character vector */ - pchr c; /* character to test for */ +static int /* predicate */ +haschr( + struct cvec *cv, /* character vector */ + pchr c) /* character to test for */ { int i; chr *p; @@ -168,20 +167,20 @@ haschr(cv, c) } return 0; } - + /* - getcvec - get a cvec, remembering it as v->cv ^ static struct cvec *getcvec(struct vars *, int, int, int); */ static struct cvec * -getcvec(v, nchrs, nranges, nmcces) - struct vars *v; /* context */ - int nchrs; /* to hold this many chrs... */ - int nranges; /* ... and this many ranges... */ - int nmcces; /* ... and this many MCCEs */ +getcvec( + struct vars *v, /* context */ + int nchrs, /* to hold this many chrs... */ + int nranges, /* ... and this many ranges... */ + int nmcces) /* ... and this many MCCEs */ { - if (v->cv != NULL && nchrs <= v->cv->chrspace && - nranges <= v->cv->rangespace && nmcces <= v->cv->mccespace) { + if ((v->cv != NULL) && (nchrs <= v->cv->chrspace) && + (nranges <= v->cv->rangespace) && (nmcces <= v->cv->mccespace)) { return clearcvec(v->cv); } @@ -195,14 +194,22 @@ getcvec(v, nchrs, nranges, nmcces) return v->cv; } - + /* - freecvec - free a cvec ^ static VOID freecvec(struct cvec *); */ -static VOID -freecvec(cv) - struct cvec *cv; /* character vector */ +static void +freecvec( + struct cvec *cv) /* character vector */ { FREE(cv); } + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: + */ |