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add new stdio extension functions to make gnulib happy

this is mildly ugly, but less ugly than gnulib trying to poke at the
definition of the FILE structure...
Rich Felker 13 tahun lalu
induk
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e15171b8d8
1 mengubah file dengan 24 tambahan dan 0 penghapusan
  1. 24 0
      src/stdio/ext2.c

+ 24 - 0
src/stdio/ext2.c

@@ -0,0 +1,24 @@
+#include "stdio_impl.h"
+
+size_t __freadahead(FILE *f)
+{
+	return f->rend - f->rpos;
+}
+
+const char *__freadptr(FILE *f, size_t *sizep)
+{
+	size_t size = f->rend - f->rpos;
+	if (!size) return 0;
+	*sizep = size;
+	return f->rpos;
+}
+
+void __freadptrinc(FILE *f, size_t inc)
+{
+	f->rpos += inc;
+}
+
+void __fseterr(FILE *f)
+{
+	f->flags |= F_ERR;
+}