From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Sat, 12 Feb 2011 00:22:29 -0500 Subject: initial check-in, version 0.5.0 --- src/stdio/fwide.c | 10 ++++++++++ 1 file changed, 10 insertions(+) create mode 100644 src/stdio/fwide.c (limited to 'src/stdio/fwide.c') diff --git a/src/stdio/fwide.c b/src/stdio/fwide.c new file mode 100644 index 00000000..f4da47f6 --- /dev/null +++ b/src/stdio/fwide.c @@ -0,0 +1,10 @@ +#include "stdio_impl.h" + +#define SH (8*sizeof(int)-1) +#define NORMALIZE(x) ((x)>>SH | -((-(x))>>SH)) + +int fwide(FILE *f, int mode) +{ + if (!f->mode) f->mode = NORMALIZE(mode); + return f->mode; +} -- cgit v1.2.1