fix assumption in fputs that fwrite returning 0 implies an error

[oweals/musl.git] / src / stdio / setbuffer.c

#define _GNU_SOURCE
#include <stdio.h>

void setbuffer(FILE *f, char *buf, size_t size)
{
        setvbuf(f, buf, buf ? _IOFBF : _IONBF, size);
}