13e12c5d1SDavid du Colombier /* 23e12c5d1SDavid du Colombier * pANS stdio -- setbuf 33e12c5d1SDavid du Colombier */ 43e12c5d1SDavid du Colombier #include "iolib.h" setbuf(FILE * f,void * buf)5*22df390cSDavid du Colombiervoid setbuf(FILE *f, void *buf){ 63e12c5d1SDavid du Colombier if(f->state==OPEN){ 73e12c5d1SDavid du Colombier if(buf) 83e12c5d1SDavid du Colombier f->bufl=BUFSIZ; 93e12c5d1SDavid du Colombier else{ 103e12c5d1SDavid du Colombier buf=f->unbuf; 113e12c5d1SDavid du Colombier f->bufl=0; 123e12c5d1SDavid du Colombier } 133e12c5d1SDavid du Colombier f->rp=f->wp=f->lp=f->buf=buf; 143e12c5d1SDavid du Colombier f->state=RDWR; 153e12c5d1SDavid du Colombier } 163e12c5d1SDavid du Colombier /* else error, but there's no way to report it */ 173e12c5d1SDavid du Colombier } 18