1 /* $NetBSD: memalloc.h,v 1.15 2008/02/15 17:26:06 matt Exp $ */
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34 * @(#)memalloc.h 8.2 (Berkeley) 5/4/95
38 struct stack_block
*stackp
;
41 struct stackmark
*marknext
;
45 extern char *stacknxt
;
46 extern int stacknleft
;
50 pointer
ckmalloc(size_t);
51 pointer
ckrealloc(pointer
, int);
52 char *savestr(const char *);
54 void stunalloc(pointer
);
55 void setstackmark(struct stackmark
*);
56 void popstackmark(struct stackmark
*);
57 void growstackblock(void);
58 void grabstackblock(int);
59 char *growstackstr(void);
60 char *makestrspace(void);
61 void ungrabstackstr(char *, char *);
65 #define stackblock() stacknxt
66 #define stackblocksize() stacknleft
67 #define STARTSTACKSTR(p) p = stackblock(), sstrnleft = stackblocksize()
68 #define STPUTC(c, p) (--sstrnleft >= 0? (*p++ = (c)) : (p = growstackstr(), *p++ = (c)))
69 #define CHECKSTRSPACE(n, p) { if (sstrnleft < n) p = makestrspace(); }
70 #define USTPUTC(c, p) (--sstrnleft, *p++ = (c))
71 #define STACKSTRNUL(p) (sstrnleft == 0? (p = growstackstr(), *p = '\0') : (*p = '\0'))
72 #define STUNPUTC(p) (++sstrnleft, --p)
73 #define STTOPC(p) p[-1]
74 #define STADJUST(amount, p) (p += (amount), sstrnleft -= (amount))
75 #define grabstackstr(p) stalloc(stackblocksize() - sstrnleft)
77 #define ckfree(p) free((pointer)(p))