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Diffstat (limited to 'usr.sbin/i4b/isdnd/vararray.h')
| -rw-r--r-- | usr.sbin/i4b/isdnd/vararray.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/usr.sbin/i4b/isdnd/vararray.h b/usr.sbin/i4b/isdnd/vararray.h deleted file mode 100644 index c71f816..0000000 --- a/usr.sbin/i4b/isdnd/vararray.h +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (c) 1997, 1998 Martin Husemann <martin@rumolt.teuto.de> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software withough specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, 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. - */ - -/* - * vararray.h: basic collection macros for variable sized (growing) arrays: - * macro version of popular C++ template classes, - * not as elegant in use as the template version, - * but has maximum runtime performance and can give - * pointers to array contents (i.e. for ioctl's). - * Works in C as well as in C++. - * CAVEAT: in C++ only useable for aggregateable objects, - * it does use memcpy instead of copy constructors! - */ - -#ifndef VARARRAY_H -#define VARARRAY_H -/* declare a variable sized array, element type is t */ -#define VARA_DECL(t) struct { int used, allocated; t *data; } - -/* aggregate initializer for a variable array */ -#define VARA_INITIALIZER { 0, 0, NULL } - -/* free all allocated storage */ -#define VARA_FREE(a) { if ((a).data != NULL) free((a).data); \ - (a).allocated = 0; (a).used = 0; } - -/* number of elments currently in array*/ -#define VARA_NUM(a) ((a).used) - -/* number of elements already allocated in array */ -#define VARA_ALLOCATED(a) ((a).allocated) - -/* pointer to array data */ -#define VARA_PTR(a) ((a).data) - -/* empty the array */ -#define VARA_EMPTY(a) { (a).used = 0; } - -#ifdef __cplusplus -#define VARA_NEW(t,c) new t[c] -#define VARA_DELETE(p) delete [] p -#else -#define VARA_NEW(t,c) (t*)malloc(sizeof(t)*(c)) -#define VARA_DELETE(p) free(p) -#endif - -/* add an element (not changing any data). - * a is the array, i the index, - * t the element type and n the initial allocation */ -#define VARA_ADD_AT(a,i,t,n) \ -{ \ - if ((i) >= (a).allocated) { \ - int new_alloc = (a).allocated ? (a).allocated*2 : (n); \ - t *new_data; \ - if (new_alloc <= (i)) new_alloc = (i)+1; \ - new_data = VARA_NEW(t, new_alloc); \ - if ((a).data) { \ - memcpy(new_data, (a).data, (a).used*sizeof(t)); \ - VARA_DELETE((a).data); \ - } \ - (a).data = new_data; \ - (a).allocated = new_alloc; \ - } \ - if ((i) >= (a).used) { \ - if (i > (a).used) \ - memset(&((a).data[(a).used]), 0, \ - sizeof(t)*((i)-(a).used+1)); \ - (a).used = (i)+1; \ - } \ -} - -/* return an l-value at index i */ -#define VARA_AT(a,i) ((a).data[(i)]) - -/* iterate through the array */ -#define VARA_FOREACH(a,i) for ((i) = 0; (i) < (a).used; (i)++) - -/* check for a valid index */ -#define VARA_VALID(a,i) ((i) >= 0 && (i) < (a).used) - -/* remove one entry */ -#define VARA_REMOVEAT(a,i) \ -{ \ - if ((i) < ((a).used -1)) \ - memmove(&((a).data[(i)]), &((a).data[(i)+1]), sizeof((a).data[0])); \ - (a).used--; \ -} - -/* free all storage allocated for the array */ -#define VARA_DESTROY(a) \ -{ \ - if ((a).data) VARA_DELETE((a).data); \ - (a).allocated = 0; \ - (a).used = 0; \ - (a).data = NULL; \ -} - -#endif - |
