3 static char elsieid[] = "@(#)ialloc.c 8.29";
4 #endif /* !defined NOID */
5 #endif /* !defined lint */
9 * $FreeBSD: src/usr.sbin/zic/ialloc.c,v 1.5 1999/08/28 01:21:18 peter Exp $
10 * $DragonFly: src/usr.sbin/zic/ialloc.c,v 1.4 2004/12/18 22:48:15 swildner Exp $
16 #define nonzero(n) (((n) == 0) ? 1 : (n))
21 return malloc((size_t) nonzero(n));
25 icalloc(int nelem, int elsize)
27 if (nelem == 0 || elsize == 0)
29 return calloc((size_t) nelem, (size_t) elsize);
33 irealloc(void *const pointer, const int size)
37 return realloc((void *) pointer, (size_t) nonzero(size));
41 icatalloc(char *const old, const char *new)
46 newsize = (new == NULL) ? 0 : strlen(new);
49 else if (newsize == 0)
51 else oldsize = strlen(old);
52 if ((result = irealloc(old, oldsize + newsize + 1)) != NULL)
54 strcpy(result + oldsize, new);
59 icpyalloc(const char *string)
61 return icatalloc((char *) NULL, string);
72 icfree(char * const p)