mingw: intercept isatty() to handle /dev/null as Git expects it

diff --git a/compat/mingw.h b/compat/mingw.h
index 95e128fcfd45e98c091256265c7d9bda95ec733f..33501695550accdb08368aa867b9addb25c90d5f 100644 (file)
--- a/compat/mingw.h
+++ b/compat/mingw.h
@@ -67,6 +67,10 @@ typedef int pid_t;
 #define F_SETFD 2
 #define FD_CLOEXEC 0x1
 
+#if !defined O_CLOEXEC && defined O_NOINHERIT
+#define O_CLOEXEC      O_NOINHERIT
+#endif
+
 #ifndef EAFNOSUPPORT
 #define EAFNOSUPPORT WSAEAFNOSUPPORT
 #endif
@@ -380,6 +384,9 @@ int mingw_raise(int sig);
  * ANSI emulation wrappers
  */
 
+int winansi_isatty(int fd);
+#define isatty winansi_isatty
+
 void winansi_init(void);
 HANDLE winansi_get_osfhandle(int fd);
 
@@ -417,9 +424,6 @@ int mingw_offset_1st_component(const char *path);
 #include <inttypes.h>
 #endif
 
-void mingw_open_html(const char *path);
-#define open_html mingw_open_html
-
 /**
  * Converts UTF-8 encoded string to UTF-16LE.
  *