[PATCH] lib: fwts_args: use strncpy instead of strcpy

[Colin King]

From: Colin Ian King <colin.king at canonical.com>

Coverity Scan was flagging up the use of strcpy and of a potential
buffer overrun, so use strncpy instead.

Signed-off-by: Colin Ian King <colin.king at canonical.com>
---
 src/lib/src/fwts_args.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib/src/fwts_args.c b/src/lib/src/fwts_args.c
index 86e0d4b..5dc9261 100644
--- a/src/lib/src/fwts_args.c
+++ b/src/lib/src/fwts_args.c
@@ -299,8 +299,8 @@ void fwts_args_show_options(void)
 				}
 			}
 		}
-		strcat(ptr, "--");
-		strcat(ptr, option->long_name);
+		strncat(ptr, "--", ptr - buffer - 1);
+		strncat(ptr, option->long_name, ptr - buffer - 3);
 
 		fwts_args_show_option(width, buffer, option->explanation);
 	}
-- 
2.1.4