cmdline (merge-intel): compilation under baremetal environment

[libcmdline.git] / src / lib / cmdline_rdline.c

diff --git a/src/lib/cmdline_rdline.c b/src/lib/cmdline_rdline.c
index b1e961a..86d3a9c 100644 (file)
--- a/src/lib/cmdline_rdline.c
+++ b/src/lib/cmdline_rdline.c
@@ -460,7 +460,7 @@ rdline_char_in(struct rdline *rdl, char c)
                return 0;
        }
 
-       if (! isprint(c))
+       if (!isprint((int)c))
                return 0;
 
        /* standard chars */