X-Git-Url: https://git.openssl.org/?a=blobdiff_plain;f=apps%2Fengine.c;h=9a6dc0d822a9fb9ef9ca48f62e0400675a2befcf;hb=21f0db692dcde2874caaacb0273f0d273a950e03;hp=feee965325c1c8ecf8cda566c3c7943afae8a41e;hpb=12d4e7b8c8750dda0db0e943cdec42e70a995be8;p=openssl.git

diff --git a/apps/engine.c b/apps/engine.c
index feee965325..9a6dc0d822 100644
--- a/apps/engine.c
+++ b/apps/engine.c
@@ -72,7 +72,7 @@
 #undef PROG
 #define PROG	engine_main
 
-static char *engine_usage[]={
+static const char *engine_usage[]={
 "usage: engine opts [engine ...]\n",
 " -v[v[v[v]]] - verbose mode, for each engine, list its 'control commands'\n",
 "               -vv will additionally display each command's description\n",
@@ -123,8 +123,8 @@ static int append_buf(char **buf, const char *s, int *size, int step)
 		return 0;
 
 	if (**buf != '\0')
-		strcat(*buf, ", ");
-	strcat(*buf, s);
+		BUF_strlcat(*buf, ", ", *size);
+	BUF_strlcat(*buf, s, *size);
 
 	return 1;
 	}
@@ -148,11 +148,6 @@ static int util_flags(BIO *bio_out, unsigned int flags, const char *indent)
 
 	if(flags & ENGINE_CMD_FLAG_NUMERIC)
 		{
-		if(started)
-			{
-			BIO_printf(bio_out, "|");
-			err = 1;
-			}
 		BIO_printf(bio_out, "NUMERIC");
 		started = 1;
 		}
@@ -344,7 +339,7 @@ int MAIN(int, char **);
 int MAIN(int argc, char **argv)
 	{
 	int ret=1,i;
-	char **pp;
+	const char **pp;
 	int verbose=0, list_cap=0, test_avail=0, test_avail_noise = 0;
 	ENGINE *e;
 	STACK *engines = sk_new_null();
@@ -394,11 +389,15 @@ int MAIN(int argc, char **argv)
 		else if (strcmp(*argv,"-pre") == 0)
 			{
 			argc--; argv++;
+			if (argc == 0)
+				goto skip_arg_loop;
 			sk_push(pre_cmds,*argv);
 			}
 		else if (strcmp(*argv,"-post") == 0)
 			{
 			argc--; argv++;
+			if (argc == 0)
+				goto skip_arg_loop;
 			sk_push(post_cmds,*argv);
 			}
 		else if ((strncmp(*argv,"-h",2) == 0) ||