Fix warnings.

53 files changed, 58 insertions, 193 deletions

diff --git a/apps/apps.c b/apps/apps.c
index 1439bb49da..3a3009d473 100644
--- a/apps/apps.c
+++ b/apps/apps.c
@@ -377,13 +377,12 @@ void program_name(char *in, char *out, int size)
 
 int chopup_args(ARGS *arg, char *buf, int *argc, char **argv[])
 	{
-	int num,len,i;
+	int num,i;
 	char *p;
 
 	*argc=0;
 	*argv=NULL;
 
-	len=strlen(buf);
 	i=0;
 	if (arg->count == 0)
 		{
diff --git a/apps/dh.c b/apps/dh.c
index e9609d630d..dee9c01fce 100644
--- a/apps/dh.c
+++ b/apps/dh.c
@@ -88,9 +88,6 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
-#endif
 	DH *dh=NULL;
 	int i,badops=0,text=0;
 	BIO *in=NULL,*out=NULL;
@@ -189,7 +186,7 @@ bad:
 	ERR_load_crypto_strings();
 
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	in=BIO_new(BIO_s_file());
diff --git a/apps/dhparam.c b/apps/dhparam.c
index 5fab29eb87..b47097cbb2 100644
--- a/apps/dhparam.c
+++ b/apps/dhparam.c
@@ -149,9 +149,6 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
-#endif
 	DH *dh=NULL;
 	int i,badops=0,text=0;
 #ifndef OPENSSL_NO_DSA
@@ -270,7 +267,7 @@ bad:
 	ERR_load_crypto_strings();
 
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	if (g && !num)
diff --git a/apps/dsaparam.c b/apps/dsaparam.c
index 4305a739b3..fe72c1d3df 100644
--- a/apps/dsaparam.c
+++ b/apps/dsaparam.c
@@ -111,9 +111,6 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
-#endif
 	DSA *dsa=NULL;
 	int i,badops=0,text=0;
 	BIO *in=NULL,*out=NULL;
@@ -278,7 +275,7 @@ bad:
 		}
 
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	if (need_rand)
@@ -357,12 +354,10 @@ bad:
 	if (C)
 		{
 		unsigned char *data;
-		int l,len,bits_p,bits_q,bits_g;
+		int l,len,bits_p;
 
 		len=BN_num_bytes(dsa->p);
 		bits_p=BN_num_bits(dsa->p);
-		bits_q=BN_num_bits(dsa->q);
-		bits_g=BN_num_bits(dsa->g);
 		data=(unsigned char *)OPENSSL_malloc(len+20);
 		if (data == NULL)
 			{
diff --git a/apps/ec.c b/apps/ec.c
index 31194b48df..896eabc13f 100644
--- a/apps/ec.c
+++ b/apps/ec.c
@@ -85,9 +85,6 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 {
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE 	*e = NULL;
-#endif
 	int 	ret = 1;
 	EC_KEY 	*eckey = NULL;
 	const EC_GROUP *group;
@@ -254,7 +251,7 @@ bad:
 	ERR_load_crypto_strings();
 
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) 
diff --git a/apps/ecparam.c b/apps/ecparam.c
index e9aa0a184a..465480bedd 100644
--- a/apps/ecparam.c
+++ b/apps/ecparam.c
@@ -129,9 +129,6 @@ int MAIN(int argc, char **argv)
 	char	*infile = NULL, *outfile = NULL, *prog;
 	BIO 	*in = NULL, *out = NULL;
 	int 	informat, outformat, noout = 0, C = 0, ret = 1;
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE	*e = NULL;
-#endif
 	char	*engine = NULL;
 
 	BIGNUM	*ec_p = NULL, *ec_a = NULL, *ec_b = NULL,
@@ -340,7 +337,7 @@ bad:
 		}
 
 #ifndef OPENSSL_NO_ENGINE
-	e = setup_engine(bio_err, engine, 0);
+	setup_engine(bio_err, engine, 0);
 #endif
 
 	if (list_curves)
diff --git a/apps/enc.c b/apps/enc.c
index 3c2c91e920..c28d8b1948 100644
--- a/apps/enc.c
+++ b/apps/enc.c
@@ -101,9 +101,6 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
-#endif
 	static const char magic[]="Salted__";
 	char mbuf[sizeof magic-1];
 	char *strbuf=NULL;
@@ -328,7 +325,7 @@ bad:
 		}
 
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	if (md && (dgst=EVP_get_digestbyname(md)) == NULL)
diff --git a/apps/gendh.c b/apps/gendh.c
index caa7327a10..4ec776ba93 100644
--- a/apps/gendh.c
+++ b/apps/gendh.c
@@ -89,9 +89,6 @@ int MAIN(int, char **);
 int MAIN(int argc, char **argv)
 	{
 	BN_GENCB cb;
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
-#endif
 	DH *dh=NULL;
 	int ret=1,num=DEFBITS;
 	int g=2;
@@ -163,7 +160,7 @@ bad:
 		}
 		
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	out=BIO_new(BIO_s_file());
diff --git a/apps/gendsa.c b/apps/gendsa.c
index 22c39629e5..62ea977905 100644
--- a/apps/gendsa.c
+++ b/apps/gendsa.c
@@ -78,9 +78,6 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
-#endif
 	DSA *dsa=NULL;
 	int ret=1;
 	char *outfile=NULL;
@@ -206,7 +203,7 @@ bad:
 		}
 
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
diff --git a/apps/pkcs7.c b/apps/pkcs7.c
index 86d31b99a7..ae6cd33f73 100644
--- a/apps/pkcs7.c
+++ b/apps/pkcs7.c
@@ -82,9 +82,6 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
-#endif
 	PKCS7 *p7=NULL;
 	int i,badops=0;
 	BIO *in=NULL,*out=NULL;
@@ -182,7 +179,7 @@ bad:
 	ERR_load_crypto_strings();
 
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	in=BIO_new(BIO_s_file());
diff --git a/apps/pkeyparam.c b/apps/pkeyparam.c
index 7f18010f9d..6f7a357a36 100644
--- a/apps/pkeyparam.c
+++ b/apps/pkeyparam.c
@@ -74,7 +74,6 @@ int MAIN(int argc, char **argv)
 	EVP_PKEY *pkey=NULL;
 	int badarg = 0;
 #ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
 	char *engine=NULL;
 #endif
 	int ret = 1;
@@ -141,7 +140,7 @@ int MAIN(int argc, char **argv)
 		}
 
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	if (infile)
diff --git a/apps/rand.c b/apps/rand.c
index 44a1d46a03..790e79592c 100644
--- a/apps/rand.c
+++ b/apps/rand.c
@@ -77,9 +77,6 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
-#endif
 	int i, r, ret = 1;
 	int badopt;
 	char *outfile = NULL;
@@ -178,7 +175,7 @@ int MAIN(int argc, char **argv)
 		}
 
 #ifndef OPENSSL_NO_ENGINE
-        e = setup_engine(bio_err, engine, 0);
+        setup_engine(bio_err, engine, 0);
 #endif
 
 	app_RAND_load_file(NULL, bio_err, (inrand != NULL));
diff --git a/apps/s_server.c b/apps/s_server.c
index a70482e93e..e4a9a2bae5 100644
--- a/apps/s_server.c
+++ b/apps/s_server.c
@@ -2269,11 +2269,10 @@ static int www_body(char *hostname, int s, unsigned char *context)
 	{
 	char *buf=NULL;
 	int ret=1;
-	int i,j,k,blank,dot;
+	int i,j,k,dot;
 	SSL *con;
 	const SSL_CIPHER *c;
 	BIO *io,*ssl_bio,*sbio;
-	long total_bytes;
 
 	buf=OPENSSL_malloc(bufsize);
 	if (buf == NULL) return(0);
@@ -2343,7 +2342,6 @@ static int www_body(char *hostname, int s, unsigned char *context)
 		SSL_set_msg_callback_arg(con, bio_s_out);
 		}
 
-	blank=0;
 	for (;;)
 		{
 		if (hack)
@@ -2604,7 +2602,6 @@ static int www_body(char *hostname, int s, unsigned char *context)
                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
                                 }
 			/* send the file */
-			total_bytes=0;
 			for (;;)
 				{
 				i=BIO_read(file,buf,bufsize);
diff --git a/apps/s_socket.c b/apps/s_socket.c
index b5f9db3062..a9228f42a6 100644
--- a/apps/s_socket.c
+++ b/apps/s_socket.c
@@ -321,7 +321,7 @@ static int init_server_long(int *sock, int port, char *ip, int type)
 	{
 	int ret=0;
 	struct sockaddr_in server;
-	int s= -1,i;
+	int s= -1;
 
 	if (!ssl_sock_init()) return(0);
 
@@ -360,7 +360,6 @@ static int init_server_long(int *sock, int port, char *ip, int type)
 		}
 	/* Make it 128 for linux */
 	if (type==SOCK_STREAM && listen(s,128) == -1) goto err;
-	i=0;
 	*sock=s;
 	ret=1;
 err:
@@ -378,7 +377,7 @@ static int init_server(int *sock, int port, int type)
 
 static int do_accept(int acc_sock, int *sock, char **host)
 	{
-	int ret,i;
+	int ret;
 	struct hostent *h1,*h2;
 	static struct sockaddr_in from;
 	int len;
@@ -455,7 +454,6 @@ redoit:
 			BIO_printf(bio_err,"gethostbyname failure\n");
 			return(0);
 			}
-		i=0;
 		if (h2->h_addrtype != AF_INET)
 			{
 			BIO_printf(bio_err,"gethostbyname addr is not AF_INET\n");
diff --git a/apps/speed.c b/apps/speed.c
index 1882239ce3..85673ff5a1 100644
--- a/apps/speed.c
+++ b/apps/speed.c
@@ -344,9 +344,6 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
 	{
-#ifndef OPENSSL_NO_ENGINE
-	ENGINE *e = NULL;
-#endif
 	unsigned char *buf=NULL,*buf2=NULL;
 	int mret=1;
 	long count=0,save_count=0;
@@ -440,7 +437,6 @@ int MAIN(int argc, char **argv)
 	unsigned char DES_iv[8];
 	unsigned char iv[2*MAX_BLOCK_SIZE/8];
 #ifndef OPENSSL_NO_DES
-	DES_cblock *buf_as_des_cblock = NULL;
 	static DES_cblock key ={0x12,0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0};
 	static DES_cblock key2={0x34,0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12};
 	static DES_cblock key3={0x56,0x78,0x9a,0xbc,0xde,0xf0,0x12,0x34};
@@ -654,9 +650,6 @@ int MAIN(int argc, char **argv)
 		BIO_printf(bio_err,"out of memory\n");
 		goto end;
 		}
-#ifndef OPENSSL_NO_DES
-	buf_as_des_cblock = (DES_cblock *)buf;
-#endif
 	if ((buf2=(unsigned char *)OPENSSL_malloc((int)BUFSIZE)) == NULL)
 		{
 		BIO_printf(bio_err,"out of memory\n");
@@ -731,7 +724,7 @@ int MAIN(int argc, char **argv)
 				BIO_printf(bio_err,"no engine given\n");
 				goto end;
 				}
-                        e = setup_engine(bio_err, *argv, 0);
+                        setup_engine(bio_err, *argv, 0);
 			/* j will be increased again further down.  We just
 			   don't want speed to confuse an engine with an
 			   algorithm, especially when none is given (which
diff --git a/apps/x509.c b/apps/x509.c
index ff56f30ff3..dc9cd77078 100644
--- a/apps/x509.c
+++ b/apps/x509.c
@@ -567,7 +567,6 @@ bad:
 	if (reqfile)
 		{
 		EVP_PKEY *pkey;
-		X509_CINF *ci;
 		BIO *in;
 
 		if (!sign_flag && !CA_flag)
@@ -635,7 +634,6 @@ bad:
 		print_name(bio_err, "subject=", X509_REQ_get_subject_name(req), nmflag);
 
 		if ((x=X509_new()) == NULL) goto end;
-		ci=x->cert_info;
 
 		if (sno == NULL)
 			{
diff --git a/crypto/asn1/a_int.c b/crypto/asn1/a_int.c
index c6fd204ae3..3348b8762c 100644
--- a/crypto/asn1/a_int.c
+++ b/crypto/asn1/a_int.c
@@ -273,7 +273,7 @@ ASN1_INTEGER *d2i_ASN1_UINTEGER(ASN1_INTEGER **a, const unsigned char **pp,
 	{
 	ASN1_INTEGER *ret=NULL;
 	const unsigned char *p;
-	unsigned char *to,*s;
+	unsigned char *s;
 	long len;
 	int inf,tag,xclass;
 	int i;
@@ -308,7 +308,6 @@ ASN1_INTEGER *d2i_ASN1_UINTEGER(ASN1_INTEGER **a, const unsigned char **pp,
 		i=ERR_R_MALLOC_FAILURE;
 		goto err;
 		}
-	to=s;
 	ret->type=V_ASN1_INTEGER;
 	if(len) {
 		if ((*p == 0) && (len != 1))
diff --git a/crypto/asn1/n_pkey.c b/crypto/asn1/n_pkey.c
index 9a41f29e3e..e251739933 100644
--- a/crypto/asn1/n_pkey.c
+++ b/crypto/asn1/n_pkey.c
@@ -247,7 +247,7 @@ RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
 		 int sgckey)
 	{
 	RSA *ret=NULL;
-	const unsigned char *p, *kp;
+	const unsigned char *p;
 	NETSCAPE_ENCRYPTED_PKEY *enckey = NULL;
 
 	p = *pp;
@@ -270,7 +270,6 @@ RSA *d2i_RSA_NET(RSA **a, const unsigned char **pp, long length,
 		ASN1err(ASN1_F_D2I_RSA_NET,ASN1_R_UNSUPPORTED_ENCRYPTION_ALGORITHM);
 		goto err;
 	}
-	kp = enckey->enckey->digest->data;
 	if (cb == NULL)
 		cb=EVP_read_pw_string;
 	if ((ret=d2i_RSA_NET_2(a, enckey->enckey->digest,cb, sgckey)) == NULL) goto err;
diff --git a/crypto/asn1/t_crl.c b/crypto/asn1/t_crl.c
index da7eff1f1d..c61169208a 100644
--- a/crypto/asn1/t_crl.c
+++ b/crypto/asn1/t_crl.c
@@ -87,7 +87,7 @@ int X509_CRL_print(BIO *out, X509_CRL *x)
 	STACK_OF(X509_REVOKED) *rev;
 	X509_REVOKED *r;
 	long l;
-	int i, n;
+	int i;
 	char *p;
 
 	BIO_printf(out, "Certificate Revocation List (CRL):\n");
@@ -106,7 +106,6 @@ int X509_CRL_print(BIO *out, X509_CRL *x)
 	else BIO_printf(out,"NONE");
 	BIO_printf(out,"\n");
 
-	n=X509_CRL_get_ext_count(x);
 	X509V3_extensions_print(out, "CRL extensions",
 						x->crl->extensions, 0, 8);
 
diff --git a/crypto/asn1/tasn_dec.c b/crypto/asn1/tasn_dec.c
index 3bee439968..87d7dfdf5c 100644
--- a/crypto/asn1/tasn_dec.c
+++ b/crypto/asn1/tasn_dec.c
@@ -168,7 +168,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
 	int i;
 	int otag;
 	int ret = 0;
-	ASN1_VALUE *pchval, **pchptr, *ptmpval;
+	ASN1_VALUE **pchptr, *ptmpval;
 	if (!pval)
 		return 0;
 	if (aux && aux->asn1_cb)
@@ -319,7 +319,6 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
 			goto err;
 			}
 		/* CHOICE type, try each possibility in turn */
-		pchval = NULL;
 		p = *in;
 		for (i = 0, tt=it->templates; i < it->tcount; i++, tt++)
 			{
diff --git a/crypto/bio/bf_nbio.c b/crypto/bio/bf_nbio.c
index c72a23c2e1..028616c064 100644
--- a/crypto/bio/bf_nbio.c
+++ b/crypto/bio/bf_nbio.c
@@ -125,7 +125,6 @@ static int nbiof_free(BIO *a)
 	
 static int nbiof_read(BIO *b, char *out, int outl)
 	{
-	NBIO_TEST *nt;
 	int ret=0;
 #if 1
 	int num;
@@ -134,7 +133,6 @@ static int nbiof_read(BIO *b, char *out, int outl)
 
 	if (out == NULL) return(0);
 	if (b->next_bio == NULL) return(0);
-	nt=(NBIO_TEST *)b->ptr;
 
 	BIO_clear_retry_flags(b);
 #if 1
diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
index 77f4de9c32..e12bc3a2ca 100644
--- a/crypto/bio/bio_lib.c
+++ b/crypto/bio/bio_lib.c
@@ -110,7 +110,7 @@ int BIO_set(BIO *bio, BIO_METHOD *method)
 
 int BIO_free(BIO *a)
 	{
-	int ret=0,i;
+	int i;
 
 	if (a == NULL) return(0);
 
@@ -133,7 +133,7 @@ int BIO_free(BIO *a)
 	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);
 
 	if ((a->method == NULL) || (a->method->destroy == NULL)) return(1);
-	ret=a->method->destroy(a);
+	a->method->destroy(a);
 	OPENSSL_free(a);
 	return(1);
 	}
diff --git a/crypto/bio/bss_acpt.c b/crypto/bio/bss_acpt.c
index 826f761143..5d49e1a72b 100644
--- a/crypto/bio/bss_acpt.c
+++ b/crypto/bio/bss_acpt.c
@@ -340,7 +340,6 @@ static int acpt_write(BIO *b, const char *in, int inl)
 
 static long acpt_ctrl(BIO *b, int cmd, long num, void *ptr)
 	{
-	BIO *dbio;
 	int *ip;
 	long ret=1;
 	BIO_ACCEPT *data;
@@ -437,8 +436,8 @@ static long acpt_ctrl(BIO *b, int cmd, long num, void *ptr)
 		ret=(long)data->bind_mode;
 		break;
 	case BIO_CTRL_DUP:
-		dbio=(BIO *)ptr;
-/*		if (data->param_port) EAY EAY
+/*		dbio=(BIO *)ptr;
+		if (data->param_port) EAY EAY
 			BIO_set_port(dbio,data->param_port);
 		if (data->param_hostname)
 			BIO_set_hostname(dbio,data->param_hostname);
diff --git a/crypto/bn/bn_mul.c b/crypto/bn/bn_mul.c
index a0e9ec3b46..12e5be80eb 100644
--- a/crypto/bn/bn_mul.c
+++ b/crypto/bn/bn_mul.c
@@ -551,7 +551,7 @@ void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n,
 	     int tna, int tnb, BN_ULONG *t)
 	{
 	int i,j,n2=n*2;
-	int c1,c2,neg,zero;
+	int c1,c2,neg;
 	BN_ULONG ln,lo,*p;
 
 # ifdef BN_COUNT
@@ -567,7 +567,7 @@ void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n,
 	/* r=(a[0]-a[1])*(b[1]-b[0]) */
 	c1=bn_cmp_part_words(a,&(a[n]),tna,n-tna);
 	c2=bn_cmp_part_words(&(b[n]),b,tnb,tnb-n);
-	zero=neg=0;
+	neg=0;
 	switch (c1*3+c2)
 		{
 	case -4:
@@ -575,7 +575,6 @@ void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n,
 		bn_sub_part_words(&(t[n]),b,      &(b[n]),tnb,n-tnb); /* - */
 		break;
 	case -3:
-		zero=1;
 		/* break; */
 	case -2:
 		bn_sub_part_words(t,      &(a[n]),a,      tna,tna-n); /* - */
@@ -585,7 +584,6 @@ void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n,
 	case -1:
 	case 0:
 	case 1:
-		zero=1;
 		/* break; */
 	case 2:
 		bn_sub_part_words(t,      a,      &(a[n]),tna,n-tna); /* + */
@@ -593,7 +591,6 @@ void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n,
 		neg=1;
 		break;
 	case 3:
-		zero=1;
 		/* break; */
 	case 4:
 		bn_sub_part_words(t,      a,      &(a[n]),tna,n-tna);
@@ -1012,7 +1009,6 @@ int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
 		{
 		if (i >= -1 && i <= 1)
 			{
-			int sav_j =0;
 			/* Find out the power of two lower or equal
 			   to the longest of the two numbers */
 			if (i >= 0)
@@ -1023,7 +1019,6 @@ int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
 				{
 				j = BN_num_bits_word((BN_ULONG)bl);
 				}
-			sav_j = j;
 			j = 1<<(j-1);
 			assert(j <= al || j <= bl);
 			k = j+j;
diff --git a/crypto/conf/conf_api.c b/crypto/conf/conf_api.c
index 22617e5fa1..0c1ee2b738 100644
--- a/crypto/conf/conf_api.c
+++ b/crypto/conf/conf_api.c
@@ -285,7 +285,7 @@ CONF_VALUE *_CONF_new_section(CONF *conf, const char *section)
 	v->value=(char *)sk;
 	
 	vv=lh_CONF_VALUE_insert(conf->data,v);
-	assert(vv == NULL);
+	OPENSSL_assert(vv == NULL);
 	ok=1;
 err:
 	if (!ok)
diff --git a/crypto/conf/conf_def.c b/crypto/conf/conf_def.c
index 0b571b0394..cf951320af 100644
--- a/crypto/conf/conf_def.c
+++ b/crypto/conf/conf_def.c
@@ -213,13 +213,12 @@ static int def_load_bio(CONF *conf, BIO *in, long *line)
 	int bufnum=0,i,ii;
 	BUF_MEM *buff=NULL;
 	char *s,*p,*end;
-	int again,n;
+	int again;
 	long eline=0;
 	char btmp[DECIMAL_SIZE(eline)+1];
 	CONF_VALUE *v=NULL,*tv;
 	CONF_VALUE *sv=NULL;
 	char *section=NULL,*buf;
-	STACK_OF(CONF_VALUE) *section_sk=NULL,*ts;
 	char *start,*psection,*pname;