added ping location for IRIX

[wxWidgets.git] / src / regex / regc_cvec.c

diff --git a/src/regex/regc_cvec.c b/src/regex/regc_cvec.c
index b6aa8c98f12f5f4e791a840cc3034b455864885a..d2d56fc70a2adeb0c376a41c5824f32b0a7419fa 100644 (file)
--- a/src/regex/regc_cvec.c
+++ b/src/regex/regc_cvec.c
@@ -2,21 +2,21 @@
  * Utility functions for handling cvecs
  * This file is #included by regcomp.c.
  *
  * Utility functions for handling cvecs
  * 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
  * 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.
  * 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
  * 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


@@ -28,162 +28,181 @@
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *

- * $Header$
- *

  */
 
 /*
  */
 
 /*

- * newcvec - allocate a new cvec
+ - newcvec - allocate a new cvec
+ ^ static struct cvec *newcvec(int, int, int);

  */
 static struct cvec *
  */
 static struct cvec *

-newcvec(int nchrs,                             /* to hold this many chrs... */
-               int nranges,                    /* ... and this many ranges... */
-               int nmcces)                             /* ... and this many MCCEs */
+newcvec(nchrs, nranges, nmcces)
+    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;
-       struct cvec *cv;
-
-       nc = (size_t) nchrs + (size_t) nmcces *(MAXMCCE + 1) + (size_t) nranges *2;
-
-       n = sizeof(struct cvec) + (size_t) (nmcces - 1) * sizeof(chr *)
-               + nc * sizeof(chr);
-       cv = (struct cvec *) MALLOC(n);
-       if (cv == NULL)
-               return NULL;
-       cv->chrspace = nchrs;
-       cv->chrs = (chr *) &cv->mcces[nmcces];          /* chrs just after MCCE
-                                                                                                * ptrs */
-       cv->mccespace = nmcces;
-       cv->ranges = cv->chrs + nchrs + nmcces * (MAXMCCE + 1);
-       cv->rangespace = nranges;
-       return clearcvec(cv);
+    size_t n;
+    size_t nc;
+    struct cvec *cv;
+
+    nc = (size_t)nchrs + (size_t)nmcces*(MAXMCCE+1) + (size_t)nranges*2;
+    n = sizeof(struct cvec) + (size_t)(nmcces-1)*sizeof(chr *)
+           + nc*sizeof(chr);
+    cv = (struct cvec *)MALLOC(n);
+    if (cv == NULL) {
+       return NULL;
+    }
+    cv->chrspace = nchrs;
+    cv->chrs = (chr *)&cv->mcces[nmcces];      /* chrs just after MCCE ptrs */
+    cv->mccespace = nmcces;
+    cv->ranges = cv->chrs + nchrs + nmcces*(MAXMCCE+1);
+    cv->rangespace = nranges;
+    return clearcvec(cv);

 }
 
 /*
 }
 
 /*

- * clearcvec - clear a possibly-new cvec
+ - clearcvec - clear a possibly-new cvec

  * Returns pointer as convenience.
  * Returns pointer as convenience.

+ ^ static struct cvec *clearcvec(struct cvec *);

  */
 static struct cvec *
  */
 static struct cvec *

-clearcvec(struct cvec * cv)
+clearcvec(cv)
+    struct cvec *cv;                   /* character vector */

 {
 {

-       int                     i;
-
-       assert(cv != NULL);
-       cv->nchrs = 0;
-       assert(cv->chrs == (chr *) &cv->mcces[cv->mccespace]);
-       cv->nmcces = 0;
-       cv->nmccechrs = 0;
-       cv->nranges = 0;
-       for (i = 0; i < cv->mccespace; i++)
-               cv->mcces[i] = NULL;
-
-       return cv;
+    int i;
+
+    assert(cv != NULL);
+    cv->nchrs = 0;
+    assert(cv->chrs == (chr *)&cv->mcces[cv->mccespace]);
+    cv->nmcces = 0;
+    cv->nmccechrs = 0;
+    cv->nranges = 0;
+    for (i = 0; i < cv->mccespace; i++) {
+       cv->mcces[i] = NULL;
+    }
+
+    return cv;

 }
 
 /*
 }
 
 /*

- * addchr - add a chr to a cvec
+ - addchr - add a chr to a cvec
+ ^ static VOID addchr(struct cvec *, pchr);

  */
  */

-static void
-addchr(struct cvec * cv,               /* character vector */
-          chr c)                                       /* character to add */
+static VOID
+addchr(cv, c)
+    struct cvec *cv;                   /* character vector */
+    pchr c;                            /* character to add */

 {
 {

-       assert(cv->nchrs < cv->chrspace - cv->nmccechrs);
-       cv->chrs[cv->nchrs++] = (chr) c;
+    assert(cv->nchrs < cv->chrspace - cv->nmccechrs);
+    cv->chrs[cv->nchrs++] = (chr)c;

 }
 
 /*
 }
 
 /*

- * addrange - add a range to a cvec
+ - addrange - add a range to a cvec
+ ^ static VOID addrange(struct cvec *, pchr, pchr);

  */
  */

-static void
-addrange(struct cvec * cv,             /* character vector */
-                chr from,                              /* first character of range */
-                chr to)                                /* last character of range */
+static VOID
+addrange(cv, from, to)
+    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++;
+    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
+ - addmcce - add an MCCE to a cvec
+ ^ static VOID addmcce(struct cvec *, chr *, chr *);

  */
  */

-static void
-addmcce(struct cvec * cv,              /* character vector */
-               chr *startp,                    /* beginning of text */
-               chr *endp)                              /* just past end of text */
+static VOID
+addmcce(cv, startp, endp)
+    struct cvec *cv;                   /* character vector */
+    chr *startp;                       /* beginning of text */
+    chr *endp;                         /* just past end of text */

 {
 {

-       int                     len;
-       int                     i;
-       chr                *s;
-       chr                *d;
-
-       if (startp == NULL && endp == NULL)
-               return;
-       len = endp - startp;
-       assert(len > 0);
-       assert(cv->nchrs + len < cv->chrspace - cv->nmccechrs);
-       assert(cv->nmcces < cv->mccespace);
-       d = &cv->chrs[cv->chrspace - cv->nmccechrs - len - 1];
-       cv->mcces[cv->nmcces++] = d;
-       for (s = startp, i = len; i > 0; s++, i--)
-               *d++ = *s;
-       *d++ = 0;                                       /* endmarker */
-       assert(d == &cv->chrs[cv->chrspace - cv->nmccechrs]);
-       cv->nmccechrs += len + 1;
+    int len;
+    int i;
+    chr *s;
+    chr *d;
+
+    if (startp == NULL && endp == NULL) {
+       return;
+    }
+    len = endp - startp;
+    assert(len > 0);
+    assert(cv->nchrs + len < cv->chrspace - cv->nmccechrs);
+    assert(cv->nmcces < cv->mccespace);
+    d = &cv->chrs[cv->chrspace - cv->nmccechrs - len - 1];
+    cv->mcces[cv->nmcces++] = d;
+    for (s = startp, i = len; i > 0; s++, i--) {
+       *d++ = *s;
+    }
+    *d++ = 0;                          /* endmarker */
+    assert(d == &cv->chrs[cv->chrspace - cv->nmccechrs]);
+    cv->nmccechrs += len + 1;

 }
 
 /*
 }
 
 /*

- * haschr - does a cvec contain this chr?
+ - haschr - does a cvec contain this chr?
+ ^ static int haschr(struct cvec *, pchr);

  */
  */

-static int                                             /* predicate */
-haschr(struct cvec * cv,               /* character vector */
-          chr c)                                       /* character to test for */
+static int                             /* predicate */
+haschr(cv, c)
+    struct cvec *cv;                   /* character vector */
+    pchr c;                            /* character to test for */

 {
 {

-       int                     i;
-       chr                *p;
+    int i;
+    chr *p;

 
 

-       for (p = cv->chrs, i = cv->nchrs; i > 0; p++, i--)
-       {
-               if (*p == c)
-                       return 1;
+    for (p = cv->chrs, i = cv->nchrs; i > 0; p++, i--) {
+       if (*p == c) {
+           return 1;

        }
        }

-       for (p = cv->ranges, i = cv->nranges; i > 0; p += 2, i--)
-       {
-               if ((*p <= c) && (c <= *(p + 1)))
-                       return 1;
+    }
+    for (p = cv->ranges, i = cv->nranges; i > 0; p += 2, i--) {
+       if ((*p <= c) && (c <= *(p+1))) {
+           return 1;

        }
        }

-       return 0;
+    }
+    return 0;

 }
 
 /*
 }
 
 /*

- * getcvec - get a cvec, remembering it as v->cv
+ - getcvec - get a cvec, remembering it as v->cv
+ ^ static struct cvec *getcvec(struct vars *, int, int, int);

  */
 static struct cvec *
  */
 static struct cvec *

-getcvec(struct vars * v,               /* context */
-               int nchrs,                              /* to hold this many chrs... */
-               int nranges,                    /* ... and this many ranges... */
-               int nmcces)                             /* ... and this many MCCEs */
+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 */

 {
 {

-       if (v->cv != NULL && nchrs <= v->cv->chrspace &&
-               nranges <= v->cv->rangespace && nmcces <= v->cv->mccespace)
-               return clearcvec(v->cv);
-
-       if (v->cv != NULL)
-               freecvec(v->cv);
-       v->cv = newcvec(nchrs, nranges, nmcces);
-       if (v->cv == NULL)
-               ERR(REG_ESPACE);
-
-       return v->cv;
+    if (v->cv != NULL && nchrs <= v->cv->chrspace &&
+           nranges <= v->cv->rangespace && nmcces <= v->cv->mccespace) {
+       return clearcvec(v->cv);
+    }
+
+    if (v->cv != NULL) {
+       freecvec(v->cv);
+    }
+    v->cv = newcvec(nchrs, nranges, nmcces);
+    if (v->cv == NULL) {
+       ERR(REG_ESPACE);
+    }
+
+    return v->cv;

 }
 
 /*
 }
 
 /*

- * freecvec - free a cvec
+ - freecvec - free a cvec
+ ^ static VOID freecvec(struct cvec *);

  */
  */

-static void
-freecvec(struct cvec * cv)
+static VOID
+freecvec(cv)
+    struct cvec *cv;                   /* character vector */

 {
 {

-       FREE(cv);
+    FREE(cv);

 }
 }