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// file kernel/x/h/alloc.h: memory allocation for extensible integers
/*-----------------------------------------------------------------------+
| Copyright 2005-2006, Michel Quercia (michel.quercia@prepas.org) |
| |
| This file is part of Numerix. Numerix is free software; you can |
| redistribute it and/or modify it under the terms of the GNU Lesser |
| General Public License as published by the Free Software Foundation; |
| either version 2.1 of the License, or (at your option) any later |
| version. |
| |
| The Numerix Library is distributed in the hope that it will be |
| useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU MP Library; see the file COPYING. If not, |
| write to the Free Software Foundation, Inc., 59 Temple Place - |
| Suite 330, Boston, MA 02111-1307, USA. |
+-----------------------------------------------------------------------+
| |
| Allocation de mmoire |
| |
+-----------------------------------------------------------------------*/
/* alloue max(2a,b) chiffres */
xint xx(alloc)(long a, long b);
/* entre :
_x = pointeur vers un entier extensible ou xx_null
l = longueur >= 0
sortie :
si _x est un pointeur valide et si l'entier point a une capacit >= l
alors retourne *_x
sinon retourne un entier neuf de capacit >= l
*/
extern inline xint xx(enlarge)(xint *_x, long l) {
long lx = (_x == xx_null) ? -1 : xx_capacity(*_x);
return((lx < l) ? xx(alloc)(lx,l) : *_x);
}
#ifdef debug_alloc
long xx(get_alloc_count)();
#endif
/* allocation d'une chane */
#if defined(c_api)
extern inline char *xx(alloc_string)(long l) {
char *s = (char *)malloc((l)+1);
if (s == NULL) xx(failwith)(OUT_OF_MEMORY);
return(s);
}
#elif defined(caml_api) || defined(ocaml_api)
extern inline char *xx(alloc_string)(long l) {return (char *)alloc_string(l);}
#endif
|
