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#include <sys/types.h>
#include "dietstdio.h"
#include <unistd.h>
size_t fread( void *ptr, size_t size, size_t nmemb, FILE *stream) {
int res;
#ifdef WANT_BUFFERED_STDIO
unsigned long i,j;
j=size*nmemb;
#ifdef WANT_UNGETC
if (stream->ungotten) {
*(char*)ptr=stream->ungetbuf;
ptr=((char*)ptr)+1;
--j;
}
if (!j) return 1;
#endif
for (i=0; i<j; ++i) {
res=fgetc(stream);
if (res==EOF)
return i/size;
else
((unsigned char*)ptr)[i]=(unsigned char)res;
}
return nmemb;
#else
#ifdef WANT_UNGETC
unsigned long j=size*nmemb;
#endif
fflush(stream);
#ifdef WANT_UNGETC
if (stream->ungotten) {
*(char*)ptr=stream->ungetbuf;
ptr=((char*)ptr)+1;
--j;
}
if (!j) return 1;
res=read(stream->fd,ptr,j);
#else
res=read(stream->fd,ptr,size*nmemb);
#endif
if (res<0) {
stream->flags|=ERRORINDICATOR;
return 0;
} else if (res<size*nmemb)
if (!(stream->flags & UNSEEKABLE)
|| ((stream->flags & UNSEEKABLE) && res == 0))
stream->flags|=EOFINDICATOR;
return res/size;
#endif
}
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