First pass at applying KNF to the OpenSSL code, which almost makes it

readable. This pass is whitespace only and can readily be verified using
tr and md5.

1 files changed, 390 insertions, 358 deletions

diff --git a/lib/libcrypto/bio/bio_lib.c b/lib/libcrypto/bio/bio_lib.c
index 9c9646afa8a..9e8fb7913a8 100644
--- a/lib/libcrypto/bio/bio_lib.c
+++ b/lib/libcrypto/bio/bio_lib.c
@@ -63,539 +63,571 @@
 #include <openssl/bio.h>
 #include <openssl/stack.h>
 
-BIO *BIO_new(BIO_METHOD *method)
-	{
-	BIO *ret=NULL;
-
-	ret=(BIO *)OPENSSL_malloc(sizeof(BIO));
-	if (ret == NULL)
-		{
-		BIOerr(BIO_F_BIO_NEW,ERR_R_MALLOC_FAILURE);
-		return(NULL);
-		}
-	if (!BIO_set(ret,method))
-		{
+BIO
+*BIO_new(BIO_METHOD *method)
+{
+	BIO *ret = NULL;
+
+	ret = (BIO *)OPENSSL_malloc(sizeof(BIO));
+	if (ret == NULL) {
+		BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE);
+		return (NULL);
+	}
+	if (!BIO_set(ret, method)) {
 		OPENSSL_free(ret);
-		ret=NULL;
-		}
-	return(ret);
+		ret = NULL;
 	}
+	return (ret);
+}
 
-int BIO_set(BIO *bio, BIO_METHOD *method)
-	{
-	bio->method=method;
-	bio->callback=NULL;
-	bio->cb_arg=NULL;
-	bio->init=0;
-	bio->shutdown=1;
-	bio->flags=0;
-	bio->retry_reason=0;
-	bio->num=0;
-	bio->ptr=NULL;
-	bio->prev_bio=NULL;
-	bio->next_bio=NULL;
-	bio->references=1;
-	bio->num_read=0L;
-	bio->num_write=0L;
+int
+BIO_set(BIO *bio, BIO_METHOD *method)
+{
+	bio->method = method;
+	bio->callback = NULL;
+	bio->cb_arg = NULL;
+	bio->init = 0;
+	bio->shutdown = 1;
+	bio->flags = 0;
+	bio->retry_reason = 0;
+	bio->num = 0;
+	bio->ptr = NULL;
+	bio->prev_bio = NULL;
+	bio->next_bio = NULL;
+	bio->references = 1;
+	bio->num_read = 0L;
+	bio->num_write = 0L;
 	CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
 	if (method->create != NULL)
-		if (!method->create(bio))
-			{
+		if (!method->create(bio)) {
 			CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio,
-					&bio->ex_data);
-			return(0);
-			}
-	return(1);
-	}
+			    &bio->ex_data);
+			return (0);
+		}
+	return (1);
+}
 
-int BIO_free(BIO *a)
-	{
+int
+BIO_free(BIO *a)
+{
 	int i;
 
-	if (a == NULL) return(0);
+	if (a == NULL)
+		return (0);
 
-	i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_BIO);
+	i = CRYPTO_add(&a->references, -1, CRYPTO_LOCK_BIO);
 #ifdef REF_PRINT
-	REF_PRINT("BIO",a);
+	REF_PRINT("BIO", a);
 #endif
-	if (i > 0) return(1);
+	if (i > 0)
+		return (1);
 #ifdef REF_CHECK
-	if (i < 0)
-		{
-		fprintf(stderr,"BIO_free, bad reference count\n");
+	if (i < 0) {
+		fprintf(stderr, "BIO_free, bad reference count\n");
 		abort();
-		}
+	}
 #endif
 	if ((a->callback != NULL) &&
-		((i=(int)a->callback(a,BIO_CB_FREE,NULL,0,0L,1L)) <= 0))
-			return(i);
+	    ((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0))
+		return (i);
 
 	CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);
 
-	if ((a->method == NULL) || (a->method->destroy == NULL)) return(1);
+	if ((a->method == NULL) || (a->method->destroy == NULL))
+		return (1);
 	a->method->destroy(a);
 	OPENSSL_free(a);
-	return(1);
-	}
+	return (1);
+}
 
-void BIO_vfree(BIO *a)
-    { BIO_free(a); }
+void
+BIO_vfree(BIO *a)
+{
+	BIO_free(a);
+}
 
-void BIO_clear_flags(BIO *b, int flags)
-	{
+void
+BIO_clear_flags(BIO *b, int flags)
+{
 	b->flags &= ~flags;
-	}
+}
 
-int	BIO_test_flags(const BIO *b, int flags)
-	{
+int
+BIO_test_flags(const BIO *b, int flags)
+{
 	return (b->flags & flags);
-	}
+}
 
-void	BIO_set_flags(BIO *b, int flags)
-	{
+void
+BIO_set_flags(BIO *b, int flags)
+{
 	b->flags |= flags;
-	}
+}
 
-long (*BIO_get_callback(const BIO *b))(struct bio_st *,int,const char *,int, long,long)
-	{
+long
+(*BIO_get_callback(const BIO *b))(struct bio_st *, int, const char *, int,
+    long, long)
+{
 	return b->callback;
-	}
+}
 
-void BIO_set_callback(BIO *b, long (*cb)(struct bio_st *,int,const char *,int, long,long))
-	{
+void
+BIO_set_callback(BIO *b, long (*cb)(struct bio_st *, int, const char *, int,
+    long, long))
+{
 	b->callback = cb;
-	}
+}
 
-void BIO_set_callback_arg(BIO *b, char *arg)
-	{
+void
+BIO_set_callback_arg(BIO *b, char *arg)
+{
 	b->cb_arg = arg;
-	}
+}
 
-char * BIO_get_callback_arg(const BIO *b)
-	{
+char *
+BIO_get_callback_arg(const BIO *b)
+{
 	return b->cb_arg;
-	}
+}
 
-const char * BIO_method_name(const BIO *b)
-	{
+const char *
+BIO_method_name(const BIO *b)
+{
 	return b->method->name;
-	}
+}
 
-int BIO_method_type(const BIO *b)
-	{
+int
+BIO_method_type(const BIO *b)
+{
 	return b->method->type;
-	}
-
+}
 
-int BIO_read(BIO *b, void *out, int outl)
-	{
+int
+BIO_read(BIO *b, void *out, int outl)
+{
 	int i;
-	long (*cb)(BIO *,int,const char *,int,long,long);
+	long (*cb)(BIO *, int, const char *, int, long, long);
 
-	if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL))
-		{
-		BIOerr(BIO_F_BIO_READ,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
+	if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL)) {
+		BIOerr(BIO_F_BIO_READ, BIO_R_UNSUPPORTED_METHOD);
+		return (-2);
+	}
 
-	cb=b->callback;
+	cb = b->callback;
 	if ((cb != NULL) &&
-		((i=(int)cb(b,BIO_CB_READ,out,outl,0L,1L)) <= 0))
-			return(i);
+	    ((i = (int)cb(b, BIO_CB_READ, out, outl, 0L, 1L)) <= 0))
+		return (i);
 
-	if (!b->init)
-		{
-		BIOerr(BIO_F_BIO_READ,BIO_R_UNINITIALIZED);
-		return(-2);
-		}
+	if (!b->init) {
+		BIOerr(BIO_F_BIO_READ, BIO_R_UNINITIALIZED);
+		return (-2);
+	}
 
-	i=b->method->bread(b,out,outl);
+	i = b->method->bread(b, out, outl);
 
-	if (i > 0) b->num_read+=(unsigned long)i;
+	if (i > 0)
+		b->num_read += (unsigned long)i;
 
 	if (cb != NULL)
-		i=(int)cb(b,BIO_CB_READ|BIO_CB_RETURN,out,outl,
-			0L,(long)i);
-	return(i);
-	}
+		i = (int)cb(b, BIO_CB_READ|BIO_CB_RETURN, out, outl,
+		    0L, (long)i);
+	return (i);
+}
 
-int BIO_write(BIO *b, const void *in, int inl)
-	{
+int
+BIO_write(BIO *b, const void *in, int inl)
+{
 	int i;
-	long (*cb)(BIO *,int,const char *,int,long,long);
+	long (*cb)(BIO *, int, const char *, int, long, long);
 
 	if (b == NULL)
-		return(0);
+		return (0);
 
-	cb=b->callback;
-	if ((b->method == NULL) || (b->method->bwrite == NULL))
-		{
-		BIOerr(BIO_F_BIO_WRITE,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
+	cb = b->callback;
+	if ((b->method == NULL) || (b->method->bwrite == NULL)) {
+		BIOerr(BIO_F_BIO_WRITE, BIO_R_UNSUPPORTED_METHOD);
+		return (-2);
+	}
 
 	if ((cb != NULL) &&
-		((i=(int)cb(b,BIO_CB_WRITE,in,inl,0L,1L)) <= 0))
-			return(i);
+	    ((i = (int)cb(b, BIO_CB_WRITE, in, inl, 0L, 1L)) <= 0))
+		return (i);
 
-	if (!b->init)
-		{
-		BIOerr(BIO_F_BIO_WRITE,BIO_R_UNINITIALIZED);
-		return(-2);
-		}
+	if (!b->init) {
+		BIOerr(BIO_F_BIO_WRITE, BIO_R_UNINITIALIZED);
+		return (-2);
+	}
 
-	i=b->method->bwrite(b,in,inl);
+	i = b->method->bwrite(b, in, inl);
 
-	if (i > 0) b->num_write+=(unsigned long)i;
+	if (i > 0)
+		b->num_write += (unsigned long)i;
 
 	if (cb != NULL)
-		i=(int)cb(b,BIO_CB_WRITE|BIO_CB_RETURN,in,inl,
-			0L,(long)i);
-	return(i);
-	}
+		i = (int)cb(b, BIO_CB_WRITE|BIO_CB_RETURN, in, inl,
+		    0L, (long)i);
+	return (i);
+}
 
-int BIO_puts(BIO *b, const char *in)
-	{
+int
+BIO_puts(BIO *b, const char *in)
+{
 	int i;
-	long (*cb)(BIO *,int,const char *,int,long,long);
+	long (*cb)(BIO *, int, const char *, int, long, long);
 
-	if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL))
-		{
-		BIOerr(BIO_F_BIO_PUTS,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
+	if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) {
+		BIOerr(BIO_F_BIO_PUTS, BIO_R_UNSUPPORTED_METHOD);
+		return (-2);
+	}
 
-	cb=b->callback;
+	cb = b->callback;
 
 	if ((cb != NULL) &&
-		((i=(int)cb(b,BIO_CB_PUTS,in,0,0L,1L)) <= 0))
-			return(i);
+	    ((i = (int)cb(b, BIO_CB_PUTS, in, 0, 0L, 1L)) <= 0))
+		return (i);
 
-	if (!b->init)
-		{
-		BIOerr(BIO_F_BIO_PUTS,BIO_R_UNINITIALIZED);
-		return(-2);
-		}
+	if (!b->init) {
+		BIOerr(BIO_F_BIO_PUTS, BIO_R_UNINITIALIZED);
+		return (-2);
+	}
 
-	i=b->method->bputs(b,in);
+	i = b->method->bputs(b, in);
 
-	if (i > 0) b->num_write+=(unsigned long)i;
+	if (i > 0)
+		b->num_write += (unsigned long)i;
 
 	if (cb != NULL)
-		i=(int)cb(b,BIO_CB_PUTS|BIO_CB_RETURN,in,0,
-			0L,(long)i);
-	return(i);
-	}
+		i = (int)cb(b, BIO_CB_PUTS|BIO_CB_RETURN, in, 0, 0L, (long)i);
+	return (i);
+}
 
-int BIO_gets(BIO *b, char *in, int inl)
-	{
+int
+BIO_gets(BIO *b, char *in, int inl)
+{
 	int i;
-	long (*cb)(BIO *,int,const char *,int,long,long);
+	long (*cb)(BIO *, int, const char *, int, long, long);
 
-	if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL))
-		{
-		BIOerr(BIO_F_BIO_GETS,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
+	if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL)) {
+		BIOerr(BIO_F_BIO_GETS, BIO_R_UNSUPPORTED_METHOD);
+		return (-2);
+	}
 
-	cb=b->callback;
+	cb = b->callback;
 
 	if ((cb != NULL) &&
-		((i=(int)cb(b,BIO_CB_GETS,in,inl,0L,1L)) <= 0))
-			return(i);
+	    ((i = (int)cb(b, BIO_CB_GETS, in, inl, 0L, 1L)) <= 0))
+		return (i);
 
-	if (!b->init)
-		{
-		BIOerr(BIO_F_BIO_GETS,BIO_R_UNINITIALIZED);
-		return(-2);
-		}
+	if (!b->init) {
+		BIOerr(BIO_F_BIO_GETS, BIO_R_UNINITIALIZED);
+		return (-2);
+	}
 
-	i=b->method->bgets(b,in,inl);
+	i = b->method->bgets(b, in, inl);
 
 	if (cb != NULL)
-		i=(int)cb(b,BIO_CB_GETS|BIO_CB_RETURN,in,inl,
-			0L,(long)i);
-	return(i);
-	}
+		i = (int)cb(b, BIO_CB_GETS|BIO_CB_RETURN, in, inl, 0L, (long)i);
+	return (i);
+}
 
-int BIO_indent(BIO *b,int indent,int max)
-	{
-	if(indent < 0)
-		indent=0;
-	if(indent > max)
-		indent=max;
-	while(indent--)
-		if(BIO_puts(b," ") != 1)
-			return 0;
+int
+BIO_indent(BIO *b, int indent, int max)
+{
+	if (indent < 0)
+		indent = 0;
+	if (indent > max)
+		indent = max;
+	while (indent--)
+	if (BIO_puts(b, " ") != 1)
+		return 0;
 	return 1;
-	}
+}
 
-long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg)
-	{
+long
+BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg)
+{
 	int i;
 
-	i=iarg;
-	return(BIO_ctrl(b,cmd,larg,(char *)&i));
-	}
+	i = iarg;
+	return (BIO_ctrl(b, cmd, larg,(char *)&i));
+}
 
-char *BIO_ptr_ctrl(BIO *b, int cmd, long larg)
-	{
-	char *p=NULL;
+char
+*BIO_ptr_ctrl(BIO *b, int cmd, long larg)
+{
+	char *p = NULL;
 
-	if (BIO_ctrl(b,cmd,larg,(char *)&p) <= 0)
-		return(NULL);
+	if (BIO_ctrl(b, cmd, larg,(char *)&p) <= 0)
+		return (NULL);
 	else
-		return(p);
-	}
+		return (p);
+}
 
-long BIO_ctrl(BIO *b, int cmd, long larg, void *parg)
-	{
+long
+BIO_ctrl(BIO *b, int cmd, long larg, void *parg)
+{
 	long ret;
-	long (*cb)(BIO *,int,const char *,int,long,long);
+	long (*cb)(BIO *, int, const char *, int, long, long);
 
-	if (b == NULL) return(0);
+	if (b == NULL)
+		return (0);
 
-	if ((b->method == NULL) || (b->method->ctrl == NULL))
-		{
-		BIOerr(BIO_F_BIO_CTRL,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
+	if ((b->method == NULL) || (b->method->ctrl == NULL)) {
+		BIOerr(BIO_F_BIO_CTRL, BIO_R_UNSUPPORTED_METHOD);
+		return (-2);
+	}
 
-	cb=b->callback;
+	cb = b->callback;
 
 	if ((cb != NULL) &&
-		((ret=cb(b,BIO_CB_CTRL,parg,cmd,larg,1L)) <= 0))
-		return(ret);
+	    ((ret = cb(b, BIO_CB_CTRL, parg, cmd, larg, 1L)) <= 0))
+		return (ret);
 
-	ret=b->method->ctrl(b,cmd,larg,parg);
+	ret = b->method->ctrl(b, cmd, larg, parg);
 
 	if (cb != NULL)
-		ret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,parg,cmd,
-			larg,ret);
-	return(ret);
-	}
+		ret = cb(b, BIO_CB_CTRL|BIO_CB_RETURN, parg, cmd, larg, ret);
+	return (ret);
+}
 
-long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long))
-	{
+long
+BIO_callback_ctrl(BIO *b, int cmd,
+    void (*fp)(struct bio_st *, int, const char *, int, long, long))
+{
 	long ret;
-	long (*cb)(BIO *,int,const char *,int,long,long);
+	long (*cb)(BIO *, int, const char *, int, long, long);
 
-	if (b == NULL) return(0);
+	if (b == NULL)
+		return (0);
 
-	if ((b->method == NULL) || (b->method->callback_ctrl == NULL))
-		{
-		BIOerr(BIO_F_BIO_CALLBACK_CTRL,BIO_R_UNSUPPORTED_METHOD);
-		return(-2);
-		}
+	if ((b->method == NULL) || (b->method->callback_ctrl == NULL)) {
+		BIOerr(BIO_F_BIO_CALLBACK_CTRL, BIO_R_UNSUPPORTED_METHOD);
+		return (-2);
+	}
 
-	cb=b->callback;
+	cb = b->callback;
 
 	if ((cb != NULL) &&
-		((ret=cb(b,BIO_CB_CTRL,(void *)&fp,cmd,0,1L)) <= 0))
-		return(ret);
+	    ((ret = cb(b, BIO_CB_CTRL,(void *)&fp, cmd, 0, 1L)) <= 0))
+		return (ret);
 
-	ret=b->method->callback_ctrl(b,cmd,fp);
+	ret = b->method->callback_ctrl(b, cmd, fp);
 
 	if (cb != NULL)
-		ret=cb(b,BIO_CB_CTRL|BIO_CB_RETURN,(void *)&fp,cmd,
-			0,ret);
-	return(ret);
-	}
+		ret = cb(b, BIO_CB_CTRL|BIO_CB_RETURN,(void *)&fp, cmd, 0, ret);
+	return (ret);
+}
 
 /* It is unfortunate to duplicate in functions what the BIO_(w)pending macros
  * do; but those macros have inappropriate return type, and for interfacing
  * from other programming languages, C macros aren't much of a help anyway. */
-size_t BIO_ctrl_pending(BIO *bio)
-	{
+size_t
+BIO_ctrl_pending(BIO *bio)
+{
 	return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL);
-	}
+}
 
-size_t BIO_ctrl_wpending(BIO *bio)
-	{
+size_t
+BIO_ctrl_wpending(BIO *bio)
+{
 	return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL);
-	}
+}
 
 
 /* put the 'bio' on the end of b's list of operators */
-BIO *BIO_push(BIO *b, BIO *bio)
-	{
+BIO
+*BIO_push(BIO *b, BIO *bio)
+{
 	BIO *lb;
 
-	if (b == NULL) return(bio);
-	lb=b;
+	if (b == NULL)
+		return (bio);
+	lb = b;
 	while (lb->next_bio != NULL)
-		lb=lb->next_bio;
-	lb->next_bio=bio;
+	lb = lb->next_bio;
+	lb->next_bio = bio;
 	if (bio != NULL)
-		bio->prev_bio=lb;
+		bio->prev_bio = lb;
 	/* called to do internal processing */
-	BIO_ctrl(b,BIO_CTRL_PUSH,0,lb);
-	return(b);
-	}
+	BIO_ctrl(b, BIO_CTRL_PUSH, 0, lb);
+	return (b);
+}
 
 /* Remove the first and return the rest */
-BIO *BIO_pop(BIO *b)
-	{
+BIO
+*BIO_pop(BIO *b)
+{
 	BIO *ret;
 
-	if (b == NULL) return(NULL);
-	ret=b->next_bio;
+	if (b == NULL)
+		return (NULL);
+	ret = b->next_bio;
 
-	BIO_ctrl(b,BIO_CTRL_POP,0,b);
+	BIO_ctrl(b, BIO_CTRL_POP, 0, b);
 
 	if (b->prev_bio != NULL)
-		b->prev_bio->next_bio=b->next_bio;
+		b->prev_bio->next_bio = b->next_bio;
 	if (b->next_bio != NULL)
-		b->next_bio->prev_bio=b->prev_bio;
+		b->next_bio->prev_bio = b->prev_bio;
 
-	b->next_bio=NULL;
-	b->prev_bio=NULL;
-	return(ret);
-	}
+	b->next_bio = NULL;
+	b->prev_bio = NULL;
+	return (ret);
+}
 
-BIO *BIO_get_retry_BIO(BIO *bio, int *reason)
-	{
-	BIO *b,*last;
+BIO
+*BIO_get_retry_BIO(BIO *bio, int *reason)
+{
+	BIO *b, *last;
 
-	b=last=bio;
-	for (;;)
-		{
+	b = last = bio;
+	for (;;) {
 		if (!BIO_should_retry(b)) break;
-		last=b;
-		b=b->next_bio;
-		if (b == NULL) break;
-		}
-	if (reason != NULL) *reason=last->retry_reason;
-	return(last);
-	}
+			last = b;
+		b = b->next_bio;
+		if (b == NULL)
+			break;
+	}
+	if (reason != NULL)
+		*reason = last->retry_reason;
+	return (last);
+}
 
-int BIO_get_retry_reason(BIO *bio)
-	{
-	return(bio->retry_reason);
-	}
+int
+BIO_get_retry_reason(BIO *bio)
+{
+	return (bio->retry_reason);
+}
 
-BIO *BIO_find_type(BIO *bio, int type)
-	{
-	int mt,mask;
-
-	if(!bio) return NULL;
-	mask=type&0xff;
-	do	{
-		if (bio->method != NULL)
-			{
-			mt=bio->method->type;
-
-			if (!mask)
-				{
-				if (mt & type) return(bio);
-				}
-			else if (mt == type)
-				return(bio);
-			}
-		bio=bio->next_bio;
-		} while (bio != NULL);
-	return(NULL);
-	}
+BIO
+*BIO_find_type(BIO *bio, int type)
+{
+	int mt, mask;
+
+	if (!bio)
+		return NULL;
+	mask = type & 0xff;
+	do {
+		if (bio->method != NULL) {
+			mt = bio->method->type;
+			if (!mask) {
+				if (mt & type)
+					return (bio);
+			} else if (mt == type)
+				return (bio);
+		}
+		bio = bio->next_bio;
+	} while (bio != NULL);
+	return (NULL);
+}
 
-BIO *BIO_next(BIO *b)
-	{
-	if(!b) return NULL;
+BIO
+*BIO_next(BIO *b)
+{
+	if (!b)
+		return NULL;
 	return b->next_bio;
-	}
+}
 
-void BIO_free_all(BIO *bio)
-	{
+void
+BIO_free_all(BIO *bio)
+{
 	BIO *b;
 	int ref;
 
-	while (bio != NULL)
-		{
-		b=bio;
-		ref=b->references;
-		bio=bio->next_bio;
+	while (bio != NULL) {
+		b = bio;
+		ref = b->references;
+		bio = bio->next_bio;
 		BIO_free(b);
 		/* Since ref count > 1, don't free anyone else. */
-		if (ref > 1) break;
-		}
+		if (ref > 1)
+			break;
 	}
+}
 
-BIO *BIO_dup_chain(BIO *in)
-	{
-	BIO *ret=NULL,*eoc=NULL,*bio,*new_bio;
+BIO
+*BIO_dup_chain(BIO *in)
+{
+	BIO *ret = NULL, *eoc = NULL, *bio, *new_bio;
 
-	for (bio=in; bio != NULL; bio=bio->next_bio)
-		{
-		if ((new_bio=BIO_new(bio->method)) == NULL) goto err;
-		new_bio->callback=bio->callback;
-		new_bio->cb_arg=bio->cb_arg;
-		new_bio->init=bio->init;
-		new_bio->shutdown=bio->shutdown;
-		new_bio->flags=bio->flags;
+	for (bio = in; bio != NULL; bio = bio->next_bio) {
+		if ((new_bio = BIO_new(bio->method)) == NULL) goto err;
+			new_bio->callback = bio->callback;
+		new_bio->cb_arg = bio->cb_arg;
+		new_bio->init = bio->init;
+		new_bio->shutdown = bio->shutdown;
+		new_bio->flags = bio->flags;
 
 		/* This will let SSL_s_sock() work with stdin/stdout */
-		new_bio->num=bio->num;
+		new_bio->num = bio->num;
 
-		if (!BIO_dup_state(bio,(char *)new_bio))
-			{
+		if (!BIO_dup_state(bio,(char *)new_bio)) {
 			BIO_free(new_bio);
 			goto err;
-			}
+		}
 
 		/* copy app data */
-		if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data,
-					&bio->ex_data))
+		if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO,
+		    &new_bio->ex_data, &bio->ex_data))
 			goto err;
 
-		if (ret == NULL)
-			{
-			eoc=new_bio;
-			ret=eoc;
-			}
-		else
-			{
-			BIO_push(eoc,new_bio);
-			eoc=new_bio;
-			}
+		if (ret == NULL) {
+			eoc = new_bio;
+			ret = eoc;
+		} else {
+			BIO_push(eoc, new_bio);
+			eoc = new_bio;
 		}
-	return(ret);
+	}
+	return (ret);
 err:
 	if (ret != NULL)
 		BIO_free(ret);
-	return(NULL);	
-	}
+	return (NULL);
 
-void BIO_copy_next_retry(BIO *b)
-	{
-	BIO_set_flags(b,BIO_get_retry_flags(b->next_bio));
-	b->retry_reason=b->next_bio->retry_reason;
-	}
+}
 
-int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
-	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
-	{
+void
+BIO_copy_next_retry(BIO *b)
+{
+	BIO_set_flags(b, BIO_get_retry_flags(b->next_bio));
+	b->retry_reason = b->next_bio->retry_reason;
+}
+
+int
+BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+    CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)
+{
 	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, argl, argp,
-				new_func, dup_func, free_func);
-	}
+	    new_func, dup_func, free_func);
+}
 
-int BIO_set_ex_data(BIO *bio, int idx, void *data)
-	{
-	return(CRYPTO_set_ex_data(&(bio->ex_data),idx,data));
-	}
+int
+BIO_set_ex_data(BIO *bio, int idx, void *data)
+{
+	return (CRYPTO_set_ex_data(&(bio->ex_data), idx, data));
+}
 
-void *BIO_get_ex_data(BIO *bio, int idx)
-	{
-	return(CRYPTO_get_ex_data(&(bio->ex_data),idx));
-	}
+void
+*BIO_get_ex_data(BIO *bio, int idx)
+{
+	return (CRYPTO_get_ex_data(&(bio->ex_data), idx));
+}
 
-unsigned long BIO_number_read(BIO *bio)
+unsigned long
+BIO_number_read(BIO *bio)
 {
-	if(bio) return bio->num_read;
+	if (bio)
+		return bio->num_read;
 	return 0;
 }
 
-unsigned long BIO_number_written(BIO *bio)
+unsigned long
+BIO_number_written(BIO *bio)
 {
-	if(bio) return bio->num_write;
+	if (bio)
+		return bio->num_write;
 	return 0;
 }