#include <u.h>#include <libc.h>#include <libg.h>#include <frame.h>#include "dat.h"#include "fns.h" #define	PRINTSIZE	256char	printbuf[PRINTSIZE]; longmin(long a, long b){	if(a < b)		return a;	return b;} longmax(long a, long b){	if(a > b)		return a;	return b;} voiderror(char *s){	char err[ERRLEN]; 	errstr(err);	fprint(2, "help: %s: %s\n", s, err);	bflush();	abort();	exits(s);} int			/* special print to keep stacks small */print(char *fmt, ...){	int n; 	n = doprint(printbuf, printbuf+sizeof(printbuf), fmt, (&fmt+1)) - printbuf;	write(1, printbuf, n);	return n;} int			/* special fprint to keep stacks small */fprint(int fd, char *fmt, ...){	int n; 	n = doprint(printbuf, printbuf+sizeof(printbuf), fmt, (&fmt+1)) - printbuf;	write(fd, printbuf, n);	return n;} intsprint(char *s, char *fmt, ...){	return doprint(s, s+PRINTSIZE, fmt, (&fmt+1)) - s;} void			/* special print to keep stacks small */err(char *fmt, ...){	doprint(printbuf, printbuf+sizeof(printbuf), fmt, (&fmt+1));	errs((uchar*)printbuf);} void *emalloc(ulong n){	void *p; 	p = malloc(n);	if(p == 0)		error("malloc: out of memory");	return p;} void *erealloc(void *p, ulong n){	p = realloc(p, n);	if(p == 0)		error("realloc: out of memory");	return p;} ulonggettime(void)	/* doesn't work if second click is exactly 49.71027... days after first */{	static int fd = 0;	char x[3*12+1]; 	if(fd==0 && (fd=open("/dev/cputime", OREAD|OCEXEC))<0)		error("/dev/cputime");	x[0] = 0;	seek(fd, 0, 0);	read(fd, x, 3*12);	x[3*12] = 0;	return strtoul(x+2*12, 0, 0);} #ifdef asdf void *xx[100000];int maxxx; voidcheck(void){	int i;	for(i=0; i<maxxx; i++)		if(xx[i] && ((ulong*)xx[i])[0]!=0x12345678){			fprint(2, "check: %lux\n", xx[i]);			abort();		}} voidfree(void *b){	ulong *a = b;	int i; 	check();	if(a == 0)		abort();	--a;	for(i=0; i<maxxx; i++)		if(xx[i] == a)			goto found;	fprint(2, "bad f %lux %lux\n", a, (&b)[-1]);	abort();    found:	xx[i] = 0;	if(a[0] != 0x12345678)		abort();	fprint(2, "f %lux %lux\n", a, (&b)[-1]);} void*malloc(long n){	ulong *a;	int i; 	check();	for(i=0; i<maxxx; i++)		if(xx[i] == 0)			break;	if(i == maxxx){		maxxx++;		fprint(2, "new max: %d ", maxxx);		if(maxxx==100000)			abort();	}	a = sbrk(n+4);	xx[i] = a;	fprint(2, "m %lux %lux\n", a, (&n)[-1]);	*a = 0x12345678;	return a+1;} void*realloc(void *oa, long n){	ulong *a, *o = oa; 	fprint(2, "r %lux %lux ", o, (&oa)[-1]);	a = malloc(n);	if(o){		free(o);		memcpy(a, o, n);	}	return a;}#endif