From 074854735fec76a581a672694b971c79ddcd2c50 Mon Sep 17 00:00:00 2001
From: Bernhard Miklautz <bernhard.miklautz@shacknet.at>
Date: Tue, 15 Sep 2015 01:18:19 +0200
Subject: [PATCH] winpr/file: extend API

Add function GetFileHandleForFileDescriptor to get
a file handle for a valid file descriptor.
---
 winpr/include/winpr/file.h |  1 +
 winpr/libwinpr/file/file.c | 26 ++++++++++++++++++++++++--
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/winpr/include/winpr/file.h b/winpr/include/winpr/file.h
index 6d3e9cc..afe8588 100644
--- a/winpr/include/winpr/file.h
+++ b/winpr/include/winpr/file.h
@@ -360,6 +360,7 @@ WINPR_API char* GetNamedPipeUnixDomainSocketBaseFilePathA(void);
 WINPR_API char* GetNamedPipeUnixDomainSocketFilePathA(LPCSTR lpName);
 
 WINPR_API int GetNamePipeFileDescriptor(HANDLE hNamedPipe);
+WINPR_API HANDLE GetFileHandleForFileDescriptor(int fd);
 
 #ifdef __cplusplus
 }
diff --git a/winpr/libwinpr/file/file.c b/winpr/libwinpr/file/file.c
index 4735ff2..c0098f3 100644
--- a/winpr/libwinpr/file/file.c
+++ b/winpr/libwinpr/file/file.c
@@ -33,6 +33,7 @@
 
 #include "../handle/handle.h"
 #include <errno.h>
+#include <fcntl.h>
 
 struct winpr_file
 {
@@ -215,13 +216,34 @@ HANDLE GetStdHandle(DWORD nStdHandle)
 
 BOOL SetStdHandle(DWORD nStdHandle, HANDLE hHandle)
 {
-	return TRUE;
+	return FALSE;
 }
 
 BOOL SetStdHandleEx(DWORD dwStdHandle, HANDLE hNewHandle, HANDLE* phOldHandle)
 {
-	return TRUE;
+	return FALSE;
 }
 
 #endif /* _WIN32 */
 
+/* Extended API */
+
+HANDLE GetFileHandleForFileDescriptor(int fd)
+{
+#ifdef WIN32
+    return INVALID_HANDLE_VALUE;
+#else /* WIN32 */
+    WINPR_FILE *pFile;
+
+    /* Make sure it's a valid fd */
+    if (fcntl(fd, F_GETFD) == -1 && errno == EBADF)
+        return INVALID_HANDLE_VALUE;
+
+    pFile = FileHandle_New();
+    if (!pFile)
+        return INVALID_HANDLE_VALUE;
+    pFile->fd = fd;
+    return (HANDLE)pFile;
+#endif /* WIN32 */
+}
+
-- 
2.7.4