void *

#include "rc.h"
#include "exec.h"
#include "io.h"
#include "fns.h"

void *
emalloc(long n)
{
void *p = malloc(n);
if(p==0)
panic("Can't malloc %d bytes", n);
return p;
}

void*
erealloc(void *p, long n)
{
p = realloc(p, n);
if(p==0 && n!=0)
panic("Can't realloc %d bytes\n", n);
return p;
}

char*
estrdup(char *s)
{
char *d;
int n;

n = strlen(s)+1;
d = emalloc(n);
memmove(d, s, n);
return d;
}

extern int lastword, lastdol;

void
yyerror(char *m)
{
pfmt(err, "rc: ");
if(runq->cmdfile && !runq->iflag)
pfmt(err, "%s:%d: ", runq->cmdfile, runq->lineno);
else if(runq->cmdfile)
pfmt(err, "%s: ", runq->cmdfile);
else if(!runq->iflag)
pfmt(err, "line %d: ", runq->lineno);
if(tok[0] && tok[0]!='\n')
pfmt(err, "token %q: ", tok);
pfmt(err, "%s\n", m);
flush(err);
lastword = 0;
lastdol = 0;
while(lastc!='\n' && lastc!=EOF) advance();
nerror++;
setvar("status", newword(m, (word *)0));
}
char *bp;

static void
iacvt(int n)
{
if(n<0){
*bp++='-';
n=-n; /* doesn't work for n==-inf */
}
if(n/10)
iacvt(n/10);
*bp++=n%10+'0';
}

void
inttoascii(char *s, long n)
{
bp = s;
iacvt(n);
*bp='\0';
}

void
panic(char *s, int n)
{
pfmt(err, "rc: ");
pfmt(err, s, n);
pchr(err, '\n');
flush(err);
Abort();
}