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#include "dietstdio.h"
#include <unistd.h>
#include <stdlib.h>
#include "dietwarning.h"
FILE *__stdio_root;
#ifdef WANT_BUFFERED_STDIO
int __stdio_atexit=0;
void __stdio_flushall() {
fflush(0);
}
extern int __fflush_stdin();
extern int __fflush_stdout();
extern int __fflush_stderr();
int fflush(FILE *stream) {
if (stream==0) {
int res;
FILE *f;
__fflush_stdin();
__fflush_stdout();
__fflush_stderr();
for (res=0, f=__stdio_root; f; f=f->next)
if (fflush(f))
res=-1;
return res;
}
if (stream->flags&BUFINPUT) {
register int tmp;
if ((tmp=stream->bm-stream->bs)) lseek(stream->fd,tmp,SEEK_CUR);
} else
if (stream->bm && write(stream->fd,stream->buf,stream->bm)!=stream->bm) {
stream->flags|=ERRORINDICATOR;
return -1;
}
stream->bm=0;
return 0;
}
int __fflush4(FILE *stream,int next) {
if (!__stdio_atexit) {
__stdio_atexit=1;
atexit(__stdio_flushall);
}
if ((stream->flags&BUFINPUT)!=next) {
int res=fflush(stream);
stream->flags=(stream->flags&~BUFINPUT)|next;
return res;
}
return 0;
}
#else
int fflush(FILE *stream) {
return 0;
}
#endif
link_warning("fflush","warning: your code uses stdio (several kilobytes of bloat).")
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