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/src/lib/libcrypto/bio/bio_lib.c b/src/lib/libcrypto/bio/bio_lib.c
index 9c9646afa8..9e8fb7913a 100644
--- a/src/lib/libcrypto/bio/bio_lib.c
+++ b/src/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;
 }