Avoid that gcc 7 reports the following warning: cli_handlers.c:1340:18: warning: '%d' directive writing between 1 and 3 bytes into a region of size 2 [-Wformat-overflow=] sprintf(*reply,"%d",mpp->prflag); Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx> --- multipathd/cli_handlers.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/multipathd/cli_handlers.c b/multipathd/cli_handlers.c index 04c73866..460fea1f 100644 --- a/multipathd/cli_handlers.c +++ b/multipathd/cli_handlers.c @@ -1,6 +1,9 @@ /* * Copyright (c) 2005 Christophe Varoqui */ + +#define _GNU_SOURCE + #include "checkers.h" #include "memory.h" #include "vector.h" @@ -1332,14 +1335,9 @@ cli_getprstatus (void * v, char ** reply, int * len, void * data) condlog(3, "%s: prflag = %u", param, (unsigned int)mpp->prflag); - *reply =(char *)malloc(2); - *len = 2; - memset(*reply,0,2); - - - sprintf(*reply,"%d",mpp->prflag); - (*reply)[1]='\0'; - + *len = asprintf(reply, "%d", mpp->prflag); + if (*len < 0) + return 1; condlog(3, "%s: reply = %s", param, *reply); -- 2.12.2 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel