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#include "dietstdio.h"
#include <unistd.h>
extern int feof(FILE *stream);
int fgetc(FILE *stream) {
unsigned char c;
#ifdef WANT_UNGETC
if (stream->ungotten) {
stream->ungotten=0;
return stream->ungetbuf;
}
#endif
if (feof(stream))
return EOF;
#ifdef WANT_BUFFERED_STDIO
if (__fflush4(stream,BUFINPUT)) return EOF;
if (stream->bm>=stream->bs) {
int len=read(stream->fd,stream->buf,BUFSIZE);
if (len==0) {
stream->flags|=EOFINDICATOR;
return EOF;
} else if (len<0) {
stream->flags|=ERRORINDICATOR;
return EOF;
}
stream->bm=0;
stream->bs=len;
}
c=stream->buf[stream->bm];
++stream->bm;
return c;
#else
if (read(stream->fd,&c,1)!=1) {
stream->flags|=ERRORINDICATOR;
return EOF;
}
return c;
#endif
}
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