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/*
* debugging support -- tom dickey.
*
* $Header: /usr/build/vile/vile/RCS/trace.h,v 1.13 2002/01/11 15:36:36 tom Exp $
*
*/
#ifndef _trace_h
#define _trace_h
#ifndef NO_LEAKS
#define NO_LEAKS 0
#endif
#ifndef DOALLOC
#define DOALLOC 0
#endif
#ifndef show_alloc
extern void show_alloc (void);
#endif
#if DOALLOC
extern char * doalloc (char *oldp, unsigned amount);
extern char * do_calloc (unsigned nmemb, unsigned size);
extern void dofree (void *oldp);
extern void dopoison (void *oldp, long len);
#undef calloc
#define calloc(n,m) do_calloc(n, m)
#undef malloc
#define malloc(n) doalloc((char *)0,n)
#undef realloc
#define realloc(p,n) doalloc(p,n)
#undef free
#define free(p) dofree(p)
#ifdef POISON
#undef poison
#define poison(p,s) dopoison(p,s)
#endif
#endif /* DOALLOC */
#if !(defined(__GNUC__) || defined(__attribute__))
#define __attribute__(p)
#endif
extern void fail_alloc (char *msg, char *ptr);
extern void Trace ( const char *fmt, ... ) __attribute__ ((format(printf,1,2)));
extern void Elapsed ( char * msg);
extern void WalkBack (void);
#ifdef _estruct_h
extern char * visible_buff (const char *p, int length, int eos);
extern char * str_visible (char *p);
extern char * lp_visible (LINE *p);
extern char * tb_visible (TBUFF *p);
extern void trace_line (LINE *p, BUFFER *q);
extern void trace_buffer (BUFFER *p);
extern void trace_window (WINDOW *p);
#endif
#undef TRACE
#if OPT_TRACE
#define TRACE(p) Trace p
#endif
#define TRACE_NULL(s) ((s) != 0 ? (s) : "<null>")
#endif /* _trace_h */
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