/* * pANS stdio -- _IO_getc */#include "iolib.h"int _IO_getc(FILE *f){ int cnt; switch(f->state){ default: /* CLOSED, WR, ERR, EOF */ return EOF; case OPEN: _IO_setvbuf(f); case RDWR: case RD: if(f->flags&STRING) return EOF; cnt=read(f->fd, f->buf, f->buf==f->unbuf?1:f->bufl); switch(cnt){ case -1: f->state=ERR; return EOF; case 0: f->state=END; return EOF; default: f->state=RD; f->rp=f->buf; f->wp=f->buf+cnt; return (*f->rp++)&_IO_CHMASK; } }}
/*
* pANS stdio -- _IO_getc
*/
#include "iolib.h"
int _IO_getc(FILE *f){
int cnt;
switch(f->state){
default: /* CLOSED, WR, ERR, EOF */
return EOF;
case OPEN:
_IO_setvbuf(f);
case RDWR:
case RD:
if(f->flags&STRING) return EOF;
cnt=read(f->fd, f->buf, f->buf==f->unbuf?1:f->bufl);
switch(cnt){
case -1: f->state=ERR; return EOF;
case 0: f->state=END; return EOF;
default:
f->state=RD;
f->rp=f->buf;
f->wp=f->buf+cnt;
return (*f->rp++)&_IO_CHMASK;
}
}
}