Avoid warnings.

apps/ca.c

@@ -866,7 +866,7 @@ bad:
 			if (!batch)
 				{
 				BIO_printf(bio_err,"\n%d out of %d certificate requests certified, commit? [y/n]",total_done,total);
-				BIO_flush(bio_err);
+				(void)BIO_flush(bio_err);
 				buf[0][0]='\0';
 				fgets(buf[0],10,stdin);
 				if ((buf[0][0] != 'y') && (buf[0][0] != 'Y'))
@@ -1067,7 +1067,7 @@ bad:
 					strlen(pp[DB_rev_date]));
 				/* strcpy(r->revocationDate,pp[DB_rev_date]);*/
 
-				BIO_reset(hex);
+				(void)BIO_reset(hex);
 				if (!BIO_puts(hex,pp[DB_serial]))
 					goto err;
 				if (!a2i_ASN1_INTEGER(hex,r->serialNumber,
@@ -1791,7 +1791,7 @@ again2:
 	if (!batch)
 		{
 		BIO_printf(bio_err,"Sign the certificate? [y/n]:");
-		BIO_flush(bio_err);
+		(void)BIO_flush(bio_err);
 		buf[0]='\0';
 		fgets(buf,sizeof(buf)-1,stdin);
 		if (!((buf[0] == 'y') || (buf[0] == 'Y')))

apps/dgst.c

@@ -182,7 +182,7 @@ int MAIN(int argc, char **argv)
 				}
 			printf("%s(%s)= ",name,argv[i]);
 			do_fp(buf,inp,separator);
-			BIO_reset(bmd);
+			(void)BIO_reset(bmd);
 			}
 		}
 end:

apps/dsaparam.c

@@ -345,7 +345,7 @@ static void MS_CALLBACK dsa_cb(int p, int n, char *arg)
 	if (p == 2) c='*';
 	if (p == 3) c='\n';
 	BIO_write((BIO *)arg,&c,1);
-	BIO_flush((BIO *)arg);
+	(void)BIO_flush((BIO *)arg);
 #ifdef LINT
 	p=n;
 #endif

apps/gendh.c

@@ -193,7 +193,7 @@ static void MS_CALLBACK dh_cb(int p, int n, void *arg)
 	if (p == 2) c='*';
 	if (p == 3) c='\n';
 	BIO_write((BIO *)arg,&c,1);
-	BIO_flush((BIO *)arg);
+	(void)BIO_flush((BIO *)arg);
 #ifdef LINT
 	p=n;
 #endif

apps/genrsa.c

@@ -236,7 +236,7 @@ static void MS_CALLBACK genrsa_cb(int p, int n, void *arg)
 	if (p == 2) c='*';
 	if (p == 3) c='\n';
 	BIO_write((BIO *)arg,&c,1);
-	BIO_flush((BIO *)arg);
+	(void)BIO_flush((BIO *)arg);
 #ifdef LINT
 	p=n;
 #endif

apps/openssl.c

@@ -219,7 +219,7 @@ int main(int Argc, char *Argv[])
 			}
 		if (ret != 0)
 			BIO_printf(bio_err,"error in %s\n",argv[0]);
-		BIO_flush(bio_err);
+		(void)BIO_flush(bio_err);
 		}
 	BIO_printf(bio_err,"bad exit\n");
 	ret=1;

apps/pkcs12.c

@@ -293,7 +293,7 @@ if (export_cert) {
 	unsigned int keyidlen;
 	/* Get private key so we can match it to a certificate */
 	key = PEM_read_bio_PrivateKey(inkey ? inkey : in, NULL, NULL);
-	if (!inkey) BIO_reset(in);
+	if (!inkey) (void)BIO_reset(in);
 	if (!key) {
 		BIO_printf (bio_err, "Error loading private key\n");
 		ERR_print_errors(bio_err);

apps/req.c

@@ -245,7 +245,7 @@ int MAIN(int argc, char **argv)
 				if ((dsa_params=PEM_read_bio_DSAparams(in,NULL,NULL)) == NULL)
 					{
 					ERR_clear_error();
-					BIO_reset(in);
+					(void)BIO_reset(in);
 					if ((xtmp=PEM_read_bio_X509(in,NULL,NULL)) == NULL)
 						{
 						BIO_printf(bio_err,"unable to load DSA parameters from file\n");
@@ -979,7 +979,7 @@ static int add_DN_object(X509_NAME *n, char *text, char *def, char *value,
 	MS_STATIC char buf[1024];
 
 	BIO_printf(bio_err,"%s [%s]:",text,def);
-	BIO_flush(bio_err);
+	(void)BIO_flush(bio_err);
 	if (value != NULL)
 		{
 		strcpy(buf,value);
@@ -1040,7 +1040,7 @@ static int add_attribute_object(STACK_OF(X509_ATTRIBUTE) *n, char *text,
 
 start:
 	BIO_printf(bio_err,"%s [%s]:",text,def);
-	BIO_flush(bio_err);
+	(void)BIO_flush(bio_err);
 	if (value != NULL)
 		{
 		strcpy(buf,value);
@@ -1123,7 +1123,7 @@ static void MS_CALLBACK req_cb(int p, int n, void *arg)
 	if (p == 2) c='*';
 	if (p == 3) c='\n';
 	BIO_write((BIO *)arg,&c,1);
-	BIO_flush((BIO *)arg);
+	(void)BIO_flush((BIO *)arg);
 #ifdef LINT
 	p=n;
 #endif

apps/s_server.c

@@ -631,7 +631,7 @@ bad:
 		BIO_printf(bio_s_out,"Using default temp DH parameters\n");
 		dh=get_dh512();
 		}
-	BIO_flush(bio_s_out);
+	(void)BIO_flush(bio_s_out);
 
 	SSL_CTX_set_tmp_dh(ctx,dh);
 	DH_free(dh);
@@ -1403,13 +1403,13 @@ static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
 		if (!s_quiet)
 			{
 			BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
-			BIO_flush(bio_err);
+			(void)BIO_flush(bio_err);
 			}
 		rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
 		if (!s_quiet)
 			{
 			BIO_printf(bio_err,"\n");
-			BIO_flush(bio_err);
+			(void)BIO_flush(bio_err);
 			}
 		}
 	return(rsa_tmp);

apps/s_socket.c

@@ -494,7 +494,7 @@ int host_ip(char *str, unsigned char ip[4])
 	unsigned int in[4]; 
 	int i;
 
-	if (sscanf(str,"%d.%d.%d.%d",&(in[0]),&(in[1]),&(in[2]),&(in[3])) == 4)
+	if (sscanf(str,"%u.%u.%u.%u",&(in[0]),&(in[1]),&(in[2]),&(in[3])) == 4)
 		{
 		for (i=0; i<4; i++)
 			if (in[i] > 255)

apps/speed.c

@@ -1130,7 +1130,7 @@ int MAIN(int argc, char **argv)
 			printf("%18ssign    verify    sign/s verify/s\n"," ");
 			j=0;
 			}
-		fprintf(stdout,"rsa %4d bits %8.4fs %8.4fs %8.1f %8.1f",
+		fprintf(stdout,"rsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",
 			rsa_bits[k],rsa_results[k][0],rsa_results[k][1],
 			1.0/rsa_results[k][0],1.0/rsa_results[k][1]);
 		fprintf(stdout,"\n");
@@ -1145,7 +1145,7 @@ int MAIN(int argc, char **argv)
 			printf("%18ssign    verify    sign/s verify/s\n"," ");
 			j=0;
 			}
-		fprintf(stdout,"dsa %4d bits %8.4fs %8.4fs %8.1f %8.1f",
+		fprintf(stdout,"dsa %4u bits %8.4fs %8.4fs %8.1f %8.1f",
 			dsa_bits[k],dsa_results[k][0],dsa_results[k][1],
 			1.0/dsa_results[k][0],1.0/dsa_results[k][1]);
 		fprintf(stdout,"\n");
@@ -1172,11 +1172,11 @@ static void print_message(char *s, long num, int length)
 	{
 #ifdef SIGALRM
 	BIO_printf(bio_err,"Doing %s for %ds on %d size blocks: ",s,SECONDS,length);
-	BIO_flush(bio_err);
+	(void)BIO_flush(bio_err);
 	alarm(SECONDS);
 #else
 	BIO_printf(bio_err,"Doing %s %ld times on %d size blocks: ",s,num,length);
-	BIO_flush(bio_err);
+	(void)BIO_flush(bio_err);
 #endif
 #ifdef LINT
 	num=num;
@@ -1188,11 +1188,11 @@ static void pkey_print_message(char *str, char *str2, long num, int bits,
 	{
 #ifdef SIGALRM
 	BIO_printf(bio_err,"Doing %d bit %s %s's for %ds: ",bits,str,str2,tm);
-	BIO_flush(bio_err);
+	(void)BIO_flush(bio_err);
 	alarm(RSA_SECONDS);
 #else
 	BIO_printf(bio_err,"Doing %ld %d bit %s %s's: ",num,bits,str,str2);
-	BIO_flush(bio_err);
+	(void)BIO_flush(bio_err);
 #endif
 #ifdef LINT
 	num=num;

crypto/asn1/a_object.c

@@ -206,7 +206,7 @@ int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a)
 		if (i > 2) i=2;
 		l-=(long)(i*40);
 
-		sprintf(tbuf,"%d.%ld",i,l);
+		sprintf(tbuf,"%d.%lu",i,l);
 		i=strlen(tbuf);
 		strncpy(buf,tbuf,buf_len);
 		buf_len-=i;
@@ -219,7 +219,7 @@ int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a)
 			l|=p[idx]&0x7f;
 			if (!(p[idx] & 0x80))
 				{
-				sprintf(tbuf,".%ld",l);
+				sprintf(tbuf,".%lu",l);
 				i=strlen(tbuf);
 				if (buf_len > 0)
 					strncpy(buf,tbuf,buf_len);

crypto/bf/bftest.c

@@ -308,7 +308,7 @@ static int print_test_data(void)
 		printf("c=");
 		for (j=0; j<8; j++)
 			printf("%02X",key_out[i][j]);
-		printf(" k[%2d]=",i+1);
+		printf(" k[%2u]=",i+1);
 		for (j=0; j<i+1; j++)
 			printf("%02X",key_test[j]);
 		printf("\n");

crypto/bio/bss_bio.c

@@ -9,6 +9,7 @@
 
 #include <assert.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include <openssl/bio.h>
 #include <openssl/err.h>

crypto/bio/bss_conn.c

@@ -570,7 +570,7 @@ static long conn_ctrl(BIO *b, int cmd, long num, char *ptr)
 		if (data->param_hostname)
 			BIO_set_conn_hostname(dbio,data->param_hostname);
 		BIO_set_nbio(dbio,data->nbio);
-		BIO_set_info_callback(dbio,data->info_callback);
+		(void)BIO_set_info_callback(dbio,data->info_callback);
 		break;
 	case BIO_CTRL_SET_CALLBACK:
 		data->info_callback=(int (*)())ptr;

crypto/mem.c

@@ -308,8 +308,8 @@ static void print_leak(MEM *m, MEM_LEAK *l)
 
 	if(m->addr == (char *)l->bio)
 	    return;
-	sprintf(buf,"%5ld file=%s, line=%d, number=%d, address=%08lX\n",
-		m->order,m->file,m->line,m->num,(long)m->addr);
+	sprintf(buf,"%5lu file=%s, line=%d, number=%d, address=%08lX\n",
+		m->order,m->file,m->line,m->num,(unsigned long)m->addr);
 	BIO_puts(l->bio,buf);
 	l->chunks++;
 	l->bytes+=m->num;

crypto/rand/randtest.c

@@ -117,7 +117,7 @@ int main()
 	/* test 1 */
 	if (!((9654 < n1) && (n1 < 10346)))
 		{
-		printf("test 1 failed, X=%ld\n",n1);
+		printf("test 1 failed, X=%lu\n",n1);
 		err++;
 		}
 	printf("test 1 done\n");
@@ -150,37 +150,37 @@ int main()
 		{
 		if (!((2267 < runs[i][0]) && (runs[i][0] < 2733)))
 			{
-			printf("test 3 failed, bit=%d run=%d num=%ld\n",
+			printf("test 3 failed, bit=%d run=%d num=%lu\n",
 				i,1,runs[i][0]);
 			err++;
 			}
 		if (!((1079 < runs[i][1]) && (runs[i][1] < 1421)))
 			{
-			printf("test 3 failed, bit=%d run=%d num=%ld\n",
+			printf("test 3 failed, bit=%d run=%d num=%lu\n",
 				i,2,runs[i][1]);
 			err++;
 			}
 		if (!(( 502 < runs[i][2]) && (runs[i][2] <  748)))
 			{
-			printf("test 3 failed, bit=%d run=%d num=%ld\n",
+			printf("test 3 failed, bit=%d run=%d num=%lu\n",
 				i,3,runs[i][2]);
 			err++;
 			}
 		if (!(( 223 < runs[i][3]) && (runs[i][3] <  402)))
 			{
-			printf("test 3 failed, bit=%d run=%d num=%ld\n",
+			printf("test 3 failed, bit=%d run=%d num=%lu\n",
 				i,4,runs[i][3]);
 			err++;
 			}
 		if (!((  90 < runs[i][4]) && (runs[i][4] <  223)))
 			{
-			printf("test 3 failed, bit=%d run=%d num=%ld\n",
+			printf("test 3 failed, bit=%d run=%d num=%lu\n",
 				i,5,runs[i][4]);
 			err++;
 			}
 		if (!((  90 < runs[i][5]) && (runs[i][5] <  223)))
 			{
-			printf("test 3 failed, bit=%d run=%d num=%ld\n",
+			printf("test 3 failed, bit=%d run=%d num=%lu\n",
 				i,6,runs[i][5]);
 			err++;
 			}
@@ -190,13 +190,13 @@ int main()
 	/* test 4 */
 	if (runs[0][33] != 0)
 		{
-		printf("test 4 failed, bit=%d run=%d num=%ld\n",
+		printf("test 4 failed, bit=%d run=%d num=%lu\n",
 			0,34,runs[0][33]);
 		err++;
 		}
 	if (runs[1][33] != 0)
 		{
-		printf("test 4 failed, bit=%d run=%d num=%ld\n",
+		printf("test 4 failed, bit=%d run=%d num=%lu\n",
 			1,34,runs[1][33]);
 		err++;
 		}

ssl/s23_clnt.c

@@ -186,7 +186,7 @@ int ssl23_connect(SSL *s)
 			/* break; */
 			}
 
-		if (s->debug) BIO_flush(s->wbio);
+		if (s->debug) { (void)BIO_flush(s->wbio); }
 
 		if ((cb != NULL) && (s->state != state))
 			{

ssl/s3_pkt.c

@@ -1016,7 +1016,7 @@ int ssl3_dispatch_alert(SSL *s)
 		 * does not get sent due to non-blocking IO, we will
 		 * not worry too much. */
 		if (s->s3->send_alert[0] == SSL3_AL_FATAL)
-			BIO_flush(s->wbio);
+			(void)BIO_flush(s->wbio);
 
 		if (s->info_callback != NULL)
 			cb=s->info_callback;

ssl/ssl_lib.c

@@ -1695,7 +1695,7 @@ int ssl_init_wbio_buffer(SSL *s,int push)
 		if (s->bbio == s->wbio)
 			s->wbio=BIO_pop(s->wbio);
 		}
-	BIO_reset(bbio);
+	(void)BIO_reset(bbio);
 /*	if (!BIO_set_write_buffer_size(bbio,16*1024)) */
 	if (!BIO_set_read_buffer_size(bbio,1))
 		{

ssl/ssltest.c

@@ -97,9 +97,12 @@ BIO *bio_stdout=NULL;
 static char *cipher=NULL;
 int verbose=0;
 int debug=0;
+#if 0
+/* Not used yet. */
 #ifdef FIONBIO
 static int s_nbio=0;
 #endif
+#endif
 
 
 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
@@ -731,10 +734,10 @@ static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
 	if (rsa_tmp == NULL)
 		{
 		BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
-		BIO_flush(bio_err);
+		(void)BIO_flush(bio_err);
 		rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
 		BIO_printf(bio_err,"\n");
-		BIO_flush(bio_err);
+		(void)BIO_flush(bio_err);
 		}
 	return(rsa_tmp);
 	}