/* * pANS stdio -- fflush */#include "iolib.h"/* * pANS stdio -- data (put here, since loader won't load a separate file) */FILE _IO_stream[]={/* fd flags state buf rp wp lp bufl unbuf */ 0, 0, OPEN, 0, 0, 0, 0, 0, 0, 1, 0, OPEN, 0, 0, 0, 0, 0, 0, 2, 0, OPEN, 0, 0, 0, 0, 0, 0,}; int _fflush(FILE *f){ int error, cnt; if(f==NULL){ error=0; for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++) if(f->state==WR && _fflush(f)==EOF) error=EOF; return error; } if(f->flags&STRING) return EOF; switch(f->state){ default: /* OPEN RDWR EOF RD */ return 0; case CLOSED: case ERR: return EOF; case WR: cnt=(f->flags&LINEBUF?f->lp:f->wp)-f->buf; if(cnt && write(f->fd, f->buf, cnt)!=cnt){ f->state=ERR; return EOF; } f->rp=f->wp=f->buf; f->state=RDWR; return 0; }} int fflush(FILE *f){ int r; qlock(&_stdiolk); r = _fflush(f); qunlock(&_stdiolk); return r;}
/*
* pANS stdio -- fflush
*/
#include "iolib.h"
/*
* pANS stdio -- data (put here, since loader won't load a separate file)
*/
FILE _IO_stream[]={
/* fd flags state buf rp wp lp bufl unbuf */
0, 0, OPEN, 0, 0, 0, 0, 0, 0,
1, 0, OPEN, 0, 0, 0, 0, 0, 0,
2, 0, OPEN, 0, 0, 0, 0, 0, 0,
};
int _fflush(FILE *f){
int error, cnt;
if(f==NULL){
error=0;
for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++)
if(f->state==WR && _fflush(f)==EOF)
error=EOF;
return error;
}
if(f->flags&STRING) return EOF;
switch(f->state){
default: /* OPEN RDWR EOF RD */
return 0;
case CLOSED:
case ERR:
return EOF;
case WR:
cnt=(f->flags&LINEBUF?f->lp:f->wp)-f->buf;
if(cnt && write(f->fd, f->buf, cnt)!=cnt){
f->state=ERR;
return EOF;
}
f->rp=f->wp=f->buf;
f->state=RDWR;
return 0;
}
}
int fflush(FILE *f)
{
int r;
qlock(&_stdiolk);
r = _fflush(f);
qunlock(&_stdiolk);
return r;
}