win32: add support for /dev/std{in,out,err}

Allow applets to open the "files" /dev/stdin, /dev/stdout and
/dev/stderr.  The 'stat' and 'ls' applets pretend they exist.

Adds 48-56 bytes.

1 files changed, 6 insertions, 2 deletions

diff --git a/include/mingw.h b/include/mingw.h
index 1dcaabbe1..93b57ea29 100644
--- a/include/mingw.h
+++ b/include/mingw.h
@@ -514,8 +514,12 @@ int fsync(int fd);
 int kill(pid_t pid, int sig);
 int link(const char *oldpath, const char *newpath);
 NOIMPL(mknod,const char *name UNUSED_PARAM, mode_t mode UNUSED_PARAM, dev_t device UNUSED_PARAM);
-/* order of devices must match that in get_dev_type */
-enum {DEV_NULL, DEV_TTY, DEV_ZERO, DEV_URANDOM, NOT_DEVICE = -1};
+/* Order of devices must match that in get_dev_type and stdin,
+ * stdout and stderr must match their file descriptors. */
+enum {
+        DEV_STDIN, DEV_STDOUT, DEV_STDERR, DEV_NULL, DEV_TTY,
+        DEV_ZERO, DEV_URANDOM, NOT_DEVICE = -1
+};
 int get_dev_type(const char *filename);
 void update_special_fd(int dev, int fd);
 int mingw_open (const char *filename, int oflags, ...);