win32: tidy up detection of device files

Define NOT_DEVICE as -1 so the return value of index_in_strings()
when no device name is matched is NOT_DEVICE.

Make the logic in mingw_open() clearer.

1 files changed, 1 insertions, 1 deletions

diff --git a/include/mingw.h b/include/mingw.h
index 4aca7e884..3ab49a920 100644
--- a/include/mingw.h
+++ b/include/mingw.h
@@ -405,7 +405,7 @@ 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_ZERO, DEV_URANDOM, NOT_DEVICE};
+enum {DEV_NULL, DEV_ZERO, DEV_URANDOM, NOT_DEVICE = -1};
 int get_dev_type(const char *filename);
 void update_dev_fd(int dev, int fd);
 int mingw_open (const char *filename, int oflags, ...);