Subversion Repositories planix.SVN

/*
 * pANS stdio -- fseeko
 */
#include "iolib.h"
int fseeko(FILE *f, long long offs, int type){
        switch(f->state){
        case ERR:
        case CLOSED:
                return -1;
        case WR:
                fflush(f);
                break;
        case RD:
                if(type==1 && f->buf!=f->unbuf)
                        offs-=f->wp-f->rp;
                break;
        }
        if(f->flags&STRING || seek(f->fd, offs, type)==-1) return -1;
        if(f->state==RD) f->rp=f->wp=f->buf;
        if(f->state!=OPEN)
                f->state=RDWR;
        return 0;
}