shithub: riscv

ref: a5a8a92adf39b1a4525d6b0ddebc75e6db03e5b3
dir: /sys/src/libstdio/fclose.c/

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/*
 * pANS stdio -- fclose
 */
#include "iolib.h"
int fclose(FILE *f){
	int error=0;
	if(f->state==CLOSED) return EOF;
	if(fflush(f)==EOF) error=EOF;
	if(f->flags&BALLOC) free(f->buf);
	if(!(f->flags&STRING) && close(f->fd)<0) error=EOF;
	f->state=CLOSED;
	f->flags=0;
	return error;
}