Fix windows compilation warnings

Fix some warnings in the async code when compiling on windows.

Reviewed-by: Rich Salz <rsalz@openssl.org>

3 files changed, 15 insertions, 7 deletions

diff --git a/crypto/async/arch/async_null.c b/crypto/async/arch/async_null.c
index f4adda9..05b4964 100644
--- a/crypto/async/arch/async_null.c
+++ b/crypto/async/arch/async_null.c
@@ -91,5 +91,20 @@ int async_pool_can_grow(void) {
     return 0;
 }
 
+int async_pipe(int *pipefds)
+{
+    return -1;
+}
+
+int async_write1(int fd, const void *buf)
+{
+    return -1;
+}
+
+int async_read1(int fd, void *buf)
+{
+    return -1;
+}
+
 #endif
 
diff --git a/crypto/async/arch/async_null.h b/crypto/async/arch/async_null.h
index 2dc4f2b..796a13d 100644
--- a/crypto/async/arch/async_null.h
+++ b/crypto/async/arch/async_null.h
@@ -73,8 +73,5 @@ typedef struct async_fibre_st {
 # define ASYNC_FIBRE_makecontext(c)
 # define ASYNC_FIBRE_free(f)
 # define ASYNC_FIBRE_init_dispatcher(f)
-# define async_pipe(f)                          0
-# define async_write1(f,b)                      ((*b == 0) ? (f = 0) : (f = 1))
-# define async_read1(f,b)                       (*b = 0)
 
 #endif
diff --git a/crypto/async/arch/async_posix.h b/crypto/async/arch/async_posix.h
index 5b76428..43cea6d 100644
--- a/crypto/async/arch/async_posix.h
+++ b/crypto/async/arch/async_posix.h
@@ -99,9 +99,5 @@ static inline int ASYNC_FIBRE_swapcontext(ASYNC_FIBRE *o, ASYNC_FIBRE *n, int r)
 int ASYNC_FIBRE_init(ASYNC_FIBRE *fibre);
 void ASYNC_FIBRE_free(ASYNC_FIBRE *fibre);
 
-int async_pipe(int *pipefds);
-int async_write1(int fd, const void *buf);
-int async_read1(int fd, void *buf);
-
 # endif
 #endif