Initial revision

1 files changed, 51 insertions, 0 deletions

diff --git a/mdk-stage1/dietlibc/libstdio/fread.c b/mdk-stage1/dietlibc/libstdio/fread.c
new file mode 100644
index 000000000..29afa1489
--- /dev/null
+++ b/mdk-stage1/dietlibc/libstdio/fread.c
@@ -0,0 +1,51 @@
+#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
+}