Avoid sprintf, and harmonize indentation.

ssl/ssl_cert.c

diff --git a/ssl/ssl_cert.c b/ssl/ssl_cert.c
index 0596b7c..e134e6f 100644
--- a/ssl/ssl_cert.c
+++ b/ssl/ssl_cert.c
@@ -644,53 +644,53 @@
 
 int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
 					const char *file)
-    {
-    BIO *in;
-    X509 *x=NULL;
-    X509_NAME *xn=NULL;
-    int ret=1;
-    int (*oldcmp)(X509_NAME **a, X509_NAME **b);
-
-    oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp);
-
-    in=BIO_new(BIO_s_file_internal());
-
-    if (in == NULL)
 	{
-	SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE);
-	goto err;
-	}
+	BIO *in;
+	X509 *x=NULL;
+	X509_NAME *xn=NULL;
+	int ret=1;
+	int (*oldcmp)(X509_NAME **a, X509_NAME **b);
 	
-    if (!BIO_read_filename(in,file))
-	goto err;
+	oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp);
+	
+	in=BIO_new(BIO_s_file_internal());
+	
+	if (in == NULL)
+		{
+		SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+	
+	if (!BIO_read_filename(in,file))
+		goto err;
+	
+	for (;;)
+		{
+		if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
+			break;
+		if ((xn=X509_get_subject_name(x)) == NULL) goto err;
+		xn=X509_NAME_dup(xn);
+		if (xn == NULL) goto err;
+		if (sk_X509_NAME_find(stack,xn) >= 0)
+			X509_NAME_free(xn);
+		else
+			sk_X509_NAME_push(stack,xn);
+		}
 
-    for (;;)
-	{
-	if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL)
-	    break;
-	if ((xn=X509_get_subject_name(x)) == NULL) goto err;
-	xn=X509_NAME_dup(xn);
-	if (xn == NULL) goto err;
-	if (sk_X509_NAME_find(stack,xn) >= 0)
-	    X509_NAME_free(xn);
-	else
-	    sk_X509_NAME_push(stack,xn);
-	}
-
-    if (0)
-	{
+	if (0)
+		{
 err:
-	ret=0;
+		ret=0;
+		}
+	if(in != NULL)
+		BIO_free(in);
+	if(x != NULL)
+		X509_free(x);
+	
+	sk_X509_NAME_set_cmp_func(stack,oldcmp);
+
+	return ret;
 	}
-    if(in != NULL)
-	BIO_free(in);
-    if(x != NULL)
-	X509_free(x);
-
-    sk_X509_NAME_set_cmp_func(stack,oldcmp);
-
-    return ret;
-    }
 
 /*!
  * Add a directory of certs to a stack.
@@ -709,43 +709,46 @@
 
 int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
 				       const char *dir)
-    {
-    DIR *d;
-    struct dirent *dstruct;
-    int ret = 0;
-
-    CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
-    d = opendir(dir);
-
-    /* Note that a side effect is that the CAs will be sorted by name */
-    if(!d)
 	{
-	SYSerr(SYS_F_OPENDIR, get_last_sys_error());
-	ERR_add_error_data(3, "opendir('", dir, "')");
-	SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
-	goto err;
-	}
+	DIR *d;
+	struct dirent *dstruct;
+	int ret = 0;
 
-    while((dstruct=readdir(d)))
-	{
-	char buf[1024];
+	CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
+	d = opendir(dir);
 
-	if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf)
-	    {
-	    SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
-	    goto err;
-	    }
+	/* Note that a side effect is that the CAs will be sorted by name */
+	if(!d)
+		{
+		SYSerr(SYS_F_OPENDIR, get_last_sys_error());
+		ERR_add_error_data(3, "opendir('", dir, "')");
+		SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
+		goto err;
+		}
 	
-	sprintf(buf,"%s/%s",dir,dstruct->d_name);
-	if(!SSL_add_file_cert_subjects_to_stack(stack,buf))
-	    goto err;
-	}
-    ret = 1;
+	while((dstruct=readdir(d)))
+		{
+		char buf[1024];
+		int r;
+		
+		if(strlen(dir)+strlen(dstruct->d_name)+2 > sizeof buf)
+			{
+			SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG);
+			goto err;
+			}
+		
+		r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,dstruct->d_name);
+		if (r <= 0 || r >= sizeof buf)
+			goto err;
+		if(!SSL_add_file_cert_subjects_to_stack(stack,buf))
+			goto err;
+		}
+	ret = 1;
 
 err:	
-    CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
-    return ret;
-    }
+	CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
+	return ret;
+	}
 
 #endif
 #endif