libftdi_write_data: argument #2 should be const

[libftdi] / src / ftdi.h

diff --git a/src/ftdi.h b/src/ftdi.h
index 3d97dd9..a0ad8b4 100644 (file)
--- a/src/ftdi.h
+++ b/src/ftdi.h
@@ -502,7 +502,7 @@ extern "C"
     int ftdi_read_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
     int ftdi_read_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);
 
-    int ftdi_write_data(struct ftdi_context *ftdi, unsigned char *buf, int size);
+    int ftdi_write_data(struct ftdi_context *ftdi, const unsigned char *buf, int size);
     int ftdi_write_data_set_chunksize(struct ftdi_context *ftdi, unsigned int chunksize);
     int ftdi_write_data_get_chunksize(struct ftdi_context *ftdi, unsigned int *chunksize);