Windows support for dup where files are concerned

facil-io · Jul 28, 2024 · a281d72 · a281d72
1 parent 89bfac9
commit a281d72
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Showing 4 changed files with 34 additions and 2 deletions.
diff --git a/fio-stl.h b/fio-stl.h
@@ -8476,9 +8476,13 @@ SFUNC size_t fio_fd_find_next(int fd, char token, size_t start_at);
 
 #if FIO_OS_WIN
 #define FIO_FOLDER_SEPARATOR '\\'
+/** Duplicates the file handle (int)*/
+#define fio_file_dup(fd) _dup(fd)
 #else
 #define FIO_FOLDER_SEPARATOR '/'
-#endif
+/** Duplicates the file handle (int)*/
+#define fio_file_dup(fd)     dup(fd)
+#endif /* FIO_OS_WIN */
 
 /* *****************************************************************************
 File Helper Inline Implementation

diff --git a/fio-stl.md b/fio-stl.md
@@ -3151,6 +3151,18 @@ Creates a temporary file, returning its file descriptor.
 
 Returns -1 on error.
 
+#### `fio_file_dup`
+
+```c
+#if FIO_OS_WIN
+#define fio_file_dup(fd) _dup(fd)
+#else
+#define fio_file_dup(fd) dup(fd)
+#endif
+```
+
+Duplicates the file handle (int).
+
 #### `fio_filename_overwrite`
 
 ```c

diff --git a/fio-stl/004 files.h b/fio-stl/004 files.h
@@ -138,9 +138,13 @@ SFUNC size_t fio_fd_find_next(int fd, char token, size_t start_at);
 
 #if FIO_OS_WIN
 #define FIO_FOLDER_SEPARATOR '\\'
+/** Duplicates the file handle (int)*/
+#define fio_file_dup(fd) _dup(fd)
 #else
 #define FIO_FOLDER_SEPARATOR '/'
-#endif
+/** Duplicates the file handle (int)*/
+#define fio_file_dup(fd)     dup(fd)
+#endif /* FIO_OS_WIN */
 
 /* *****************************************************************************
 File Helper Inline Implementation

diff --git a/fio-stl/004 files.md b/fio-stl/004 files.md
@@ -35,6 +35,18 @@ Creates a temporary file, returning its file descriptor.
 
 Returns -1 on error.
 
+#### `fio_file_dup`
+
+```c
+#if FIO_OS_WIN
+#define fio_file_dup(fd) _dup(fd)
+#else
+#define fio_file_dup(fd) dup(fd)
+#endif
+```
+
+Duplicates the file handle (int).
+
 #### `fio_filename_overwrite`
 
 ```c