Add devoptab support to replace the libioushax devoptab

source/devoptab/devoptab_fsa_truncate.cpp

@@ -0,0 +1,40 @@
+#include "devoptab_fsa.h"
+#include "logger.h"
+#include <mutex>
+
+int __fsa_ftruncate(struct _reent *r,
+                    void *fd,
+                    off_t len) {
+    FSError status;
+
+    // Make sure length is non-negative
+    if (!fd || len < 0) {
+        r->_errno = EINVAL;
+        return -1;
+    }
+
+    auto *file = (__fsa_file_t *) fd;
+
+    auto *deviceData = (FSADeviceData *) r->deviceData;
+
+    std::lock_guard<MutexWrapper> lock(file->mutex);
+
+    // Set the new file size
+    status = FSASetPosFile(deviceData->clientHandle, file->fd, len);
+    if (status < 0) {
+        DEBUG_FUNCTION_LINE_ERR("FSASetPosFile(0x%08X, 0x%08X, 0x%08X) failed: %s",
+                                deviceData->clientHandle, file->fd, len, FSAGetStatusStr(status));
+        r->_errno = __fsa_translate_error(status);
+        return -1;
+    }
+
+    status = FSATruncateFile(deviceData->clientHandle, file->fd);
+    if (status < 0) {
+        DEBUG_FUNCTION_LINE_ERR("FSATruncateFile(0x%08X, 0x%08X) failed: %s",
+                                deviceData->clientHandle, file->fd, FSAGetStatusStr(status));
+        r->_errno = __fsa_translate_error(status);
+        return -1;
+    }
+
+    return 0;
+}