Const correctness for char* strings

[libftdi] / ftdipp / ftdi.cpp

diff --git a/ftdipp/ftdi.cpp b/ftdipp/ftdi.cpp
index d9b6fbf..92b6e1f 100644 (file)
--- a/ftdipp/ftdi.cpp
+++ b/ftdipp/ftdi.cpp
@@ -314,7 +314,7 @@ int Context::read_pins(unsigned char *pins)
     return ftdi_read_pins(d->ftdi, pins);
 }
 
-char* Context::error_string()
+const char* Context::error_string()
 {
     return ftdi_get_error_string(d->ftdi);
 }