memalloc.h (ff802dc7bbf970a8cd17c40600c49b29540f4f58) memalloc.h (33a8413363fd2057d99166b6254edd6c34b0224b)
1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Kenneth Almquist.
7 *
8 * Redistribution and use in source and binary forms, with or without

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50pointer ckmalloc(size_t);
51pointer ckrealloc(pointer, int);
52void ckfree(pointer);
53char *savestr(const char *);
54pointer stalloc(int);
55void stunalloc(pointer);
56void setstackmark(struct stackmark *);
57void popstackmark(struct stackmark *);
1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Kenneth Almquist.
7 *
8 * Redistribution and use in source and binary forms, with or without

--- 41 unchanged lines hidden (view full) ---

50pointer ckmalloc(size_t);
51pointer ckrealloc(pointer, int);
52void ckfree(pointer);
53char *savestr(const char *);
54pointer stalloc(int);
55void stunalloc(pointer);
56void setstackmark(struct stackmark *);
57void popstackmark(struct stackmark *);
58void grabstackblock(int);
59char *growstackstr(void);
60char *makestrspace(int, char *);
61char *stputbin(const char *data, int len, char *p);
62char *stputs(const char *data, char *p);
63
64
65
66#define stackblock() stacknxt
67#define stackblocksize() stacknleft
58char *growstackstr(void);
59char *makestrspace(int, char *);
60char *stputbin(const char *data, int len, char *p);
61char *stputs(const char *data, char *p);
62
63
64
65#define stackblock() stacknxt
66#define stackblocksize() stacknleft
67#define grabstackblock(n) stalloc(n)
68#define STARTSTACKSTR(p) p = stackblock()
69#define STPUTC(c, p) do { if (p == sstrend) p = growstackstr(); *p++ = (c); } while(0)
70#define CHECKSTRSPACE(n, p) { if (sstrend - p < n) p = makestrspace(n, p); }
71#define USTPUTC(c, p) (*p++ = (c))
72/*
73 * STACKSTRNUL's use is where we want to be able to turn a stack
74 * (non-sentinel, character counting string) into a C string,
75 * and later pretend the NUL is not there.
76 * Note: Because of STACKSTRNUL's semantics, STACKSTRNUL cannot be used
77 * on a stack that will grabstackstr()ed.
78 */
79#define STACKSTRNUL(p) (p == sstrend ? (p = growstackstr(), *p = '\0') : (*p = '\0'))
80#define STUNPUTC(p) (--p)
81#define STTOPC(p) p[-1]
82#define STADJUST(amount, p) (p += (amount))
83#define grabstackstr(p) stalloc((char *)p - stackblock())
84#define ungrabstackstr(s, p) stunalloc((s))
85#define STPUTBIN(s, len, p) p = stputbin((s), (len), p)
86#define STPUTS(s, p) p = stputs((s), p)
68#define STARTSTACKSTR(p) p = stackblock()
69#define STPUTC(c, p) do { if (p == sstrend) p = growstackstr(); *p++ = (c); } while(0)
70#define CHECKSTRSPACE(n, p) { if (sstrend - p < n) p = makestrspace(n, p); }
71#define USTPUTC(c, p) (*p++ = (c))
72/*
73 * STACKSTRNUL's use is where we want to be able to turn a stack
74 * (non-sentinel, character counting string) into a C string,
75 * and later pretend the NUL is not there.
76 * Note: Because of STACKSTRNUL's semantics, STACKSTRNUL cannot be used
77 * on a stack that will grabstackstr()ed.
78 */
79#define STACKSTRNUL(p) (p == sstrend ? (p = growstackstr(), *p = '\0') : (*p = '\0'))
80#define STUNPUTC(p) (--p)
81#define STTOPC(p) p[-1]
82#define STADJUST(amount, p) (p += (amount))
83#define grabstackstr(p) stalloc((char *)p - stackblock())
84#define ungrabstackstr(s, p) stunalloc((s))
85#define STPUTBIN(s, len, p) p = stputbin((s), (len), p)
86#define STPUTS(s, p) p = stputs((s), p)