Since return is inconsistent, I removed unnecessary parentheses and

unified them.
- return (0); -> return 0;
- return (1); -> return 1;
- return (-1); -> return -1;

Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4500)

47 files changed, 113 insertions, 113 deletions

diff --git a/crypto/asn1/a_bitstr.c b/crypto/asn1/a_bitstr.c
index b2e0fb6882..b192621551 100644
--- a/crypto/asn1/a_bitstr.c
+++ b/crypto/asn1/a_bitstr.c
@@ -24,7 +24,7 @@ int i2c_ASN1_BIT_STRING(ASN1_BIT_STRING *a, unsigned char **pp)
     unsigned char *p, *d;
 
     if (a == NULL)
-        return (0);
+        return 0;
 
     len = a->length;
 
@@ -175,7 +175,7 @@ int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value)
     a->data[w] = ((a->data[w]) & iv) | v;
     while ((a->length > 0) && (a->data[a->length - 1] == 0))
         a->length--;
-    return (1);
+    return 1;
 }
 
 int ASN1_BIT_STRING_get_bit(const ASN1_BIT_STRING *a, int n)
@@ -185,7 +185,7 @@ int ASN1_BIT_STRING_get_bit(const ASN1_BIT_STRING *a, int n)
     w = n / 8;
     v = 1 << (7 - (n & 0x07));
     if ((a == NULL) || (a->length < (w + 1)) || (a->data == NULL))
-        return (0);
+        return 0;
     return ((a->data[w] & v) != 0);
 }
 
diff --git a/crypto/asn1/a_digest.c b/crypto/asn1/a_digest.c
index c84ecc9b4b..5945041d82 100644
--- a/crypto/asn1/a_digest.c
+++ b/crypto/asn1/a_digest.c
@@ -39,7 +39,7 @@ int ASN1_digest(i2d_of_void *i2d, const EVP_MD *type, char *data,
         return 0;
     }
     OPENSSL_free(str);
-    return (1);
+    return 1;
 }
 
 #endif
@@ -59,5 +59,5 @@ int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn,
         return 0;
     }
     OPENSSL_free(str);
-    return (1);
+    return 1;
 }
diff --git a/crypto/asn1/a_print.c b/crypto/asn1/a_print.c
index ed72b51926..fd466d287c 100644
--- a/crypto/asn1/a_print.c
+++ b/crypto/asn1/a_print.c
@@ -62,7 +62,7 @@ int ASN1_UNIVERSALSTRING_to_string(ASN1_UNIVERSALSTRING *s)
     *(p) = '\0';
     s->length /= 4;
     s->type = ASN1_PRINTABLE_type(s->data, s->length);
-    return (1);
+    return 1;
 }
 
 int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
@@ -91,5 +91,5 @@ int ASN1_STRING_print(BIO *bp, const ASN1_STRING *v)
     if (n > 0)
         if (BIO_write(bp, buf, n) <= 0)
             return (0);
-    return (1);
+    return 1;
 }
diff --git a/crypto/asn1/evp_asn1.c b/crypto/asn1/evp_asn1.c
index f3b675e379..d115911d0f 100644
--- a/crypto/asn1/evp_asn1.c
+++ b/crypto/asn1/evp_asn1.c
@@ -23,7 +23,7 @@ int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len)
         return 0;
     }
     ASN1_TYPE_set(a, V_ASN1_OCTET_STRING, os);
-    return (1);
+    return 1;
 }
 
 /* int max_len:  for returned value    */
diff --git a/crypto/bio/b_sock.c b/crypto/bio/b_sock.c
index 65339629f8..270d1a5966 100644
--- a/crypto/bio/b_sock.c
+++ b/crypto/bio/b_sock.c
@@ -153,7 +153,7 @@ int BIO_sock_init(void)
         return (-1);
 # endif
 
-    return (1);
+    return 1;
 }
 
 void bio_sock_cleanup_int(void)
diff --git a/crypto/bio/bf_buff.c b/crypto/bio/bf_buff.c
index 255a4d476e..0b3fe5f104 100644
--- a/crypto/bio/bf_buff.c
+++ b/crypto/bio/bf_buff.c
@@ -67,7 +67,7 @@ static int buffer_new(BIO *bi)
     bi->init = 1;
     bi->ptr = (char *)ctx;
     bi->flags = 0;
-    return (1);
+    return 1;
 }
 
 static int buffer_free(BIO *a)
@@ -83,7 +83,7 @@ static int buffer_free(BIO *a)
     a->ptr = NULL;
     a->init = 0;
     a->flags = 0;
-    return (1);
+    return 1;
 }
 
 static int buffer_read(BIO *b, char *out, int outl)
diff --git a/crypto/bio/bf_lbuf.c b/crypto/bio/bf_lbuf.c
index 0cee526bfd..742271fdca 100644
--- a/crypto/bio/bf_lbuf.c
+++ b/crypto/bio/bf_lbuf.c
@@ -73,7 +73,7 @@ static int linebuffer_new(BIO *bi)
     bi->init = 1;
     bi->ptr = (char *)ctx;
     bi->flags = 0;
-    return (1);
+    return 1;
 }
 
 static int linebuffer_free(BIO *a)
@@ -88,7 +88,7 @@ static int linebuffer_free(BIO *a)
     a->ptr = NULL;
     a->init = 0;
     a->flags = 0;
-    return (1);
+    return 1;
 }
 
 static int linebuffer_read(BIO *b, char *out, int outl)
diff --git a/crypto/bio/bf_nbio.c b/crypto/bio/bf_nbio.c
index 1d98a942f3..455cdde1c5 100644
--- a/crypto/bio/bf_nbio.c
+++ b/crypto/bio/bf_nbio.c
@@ -63,7 +63,7 @@ static int nbiof_new(BIO *bi)
     nt->lwn = -1;
     bi->ptr = (char *)nt;
     bi->init = 1;
-    return (1);
+    return 1;
 }
 
 static int nbiof_free(BIO *a)
@@ -74,7 +74,7 @@ static int nbiof_free(BIO *a)
     a->ptr = NULL;
     a->init = 0;
     a->flags = 0;
-    return (1);
+    return 1;
 }
 
 static int nbiof_read(BIO *b, char *out, int outl)
diff --git a/crypto/bio/bf_null.c b/crypto/bio/bf_null.c
index ff2a04ccd8..fb1e9c26ff 100644
--- a/crypto/bio/bf_null.c
+++ b/crypto/bio/bf_null.c
@@ -51,7 +51,7 @@ static int nullf_new(BIO *bi)
     bi->init = 1;
     bi->ptr = NULL;
     bi->flags = 0;
-    return (1);
+    return 1;
 }
 
 static int nullf_free(BIO *a)
@@ -63,7 +63,7 @@ static int nullf_free(BIO *a)
     a->init=0;
     a->flags=0;
     */
-    return (1);
+    return 1;
 }
 
 static int nullf_read(BIO *b, char *out, int outl)
diff --git a/crypto/bio/bss_acpt.c b/crypto/bio/bss_acpt.c
index dda637db7f..ecb115762e 100644
--- a/crypto/bio/bss_acpt.c
+++ b/crypto/bio/bss_acpt.c
@@ -85,7 +85,7 @@ static int acpt_new(BIO *bi)
     bi->ptr = (char *)ba;
     ba->state = ACPT_S_BEFORE;
     bi->shutdown = 1;
-    return (1);
+    return 1;
 }
 
 static BIO_ACCEPT *BIO_ACCEPT_new(void)
@@ -143,7 +143,7 @@ static int acpt_free(BIO *a)
         a->flags = 0;
         a->init = 0;
     }
-    return (1);
+    return 1;
 }
 
 static int acpt_state(BIO *b, BIO_ACCEPT *c)
diff --git a/crypto/bio/bss_conn.c b/crypto/bio/bss_conn.c
index 5562efaa3b..7c6c9a45df 100644
--- a/crypto/bio/bss_conn.c
+++ b/crypto/bio/bss_conn.c
@@ -254,7 +254,7 @@ static int conn_new(BIO *bi)
     if ((bi->ptr = (char *)BIO_CONNECT_new()) == NULL)
         return (0);
     else
-        return (1);
+        return 1;
 }
 
 static void conn_close_socket(BIO *bio)
@@ -286,7 +286,7 @@ static int conn_free(BIO *a)
         a->flags = 0;
         a->init = 0;
     }
-    return (1);
+    return 1;
 }
 
 static int conn_read(BIO *b, char *out, int outl)
diff --git a/crypto/bio/bss_dgram.c b/crypto/bio/bss_dgram.c
index f886b07333..28fc7a50d5 100644
--- a/crypto/bio/bss_dgram.c
+++ b/crypto/bio/bss_dgram.c
@@ -157,7 +157,7 @@ static int dgram_new(BIO *bi)
     if (data == NULL)
         return 0;
     bi->ptr = data;
-    return (1);
+    return 1;
 }
 
 static int dgram_free(BIO *a)
@@ -172,7 +172,7 @@ static int dgram_free(BIO *a)
     data = (bio_dgram_data *)a->ptr;
     OPENSSL_free(data);
 
-    return (1);
+    return 1;
 }
 
 static int dgram_clear(BIO *a)
@@ -186,7 +186,7 @@ static int dgram_clear(BIO *a)
         a->init = 0;
         a->flags = 0;
     }
-    return (1);
+    return 1;
 }
 
 static void dgram_adjust_rcv_timeout(BIO *b)
@@ -969,7 +969,7 @@ static int dgram_sctp_new(BIO *bi)
     bi->ptr = data;
 
     bi->flags = 0;
-    return (1);
+    return 1;
 }
 
 static int dgram_sctp_free(BIO *a)
@@ -985,7 +985,7 @@ static int dgram_sctp_free(BIO *a)
     if (data != NULL)
         OPENSSL_free(data);
 
-    return (1);
+    return 1;
 }
 
 #  ifdef SCTP_AUTHENTICATION_EVENT
@@ -1895,7 +1895,7 @@ int BIO_dgram_non_fatal_error(int err)
     case EALREADY:
 # endif
 
-        return (1);
+        return 1;
     default:
         break;
     }
diff --git a/crypto/bio/bss_fd.c b/crypto/bio/bss_fd.c
index 2a9a0422a2..9fcaaa60d9 100644
--- a/crypto/bio/bss_fd.c
+++ b/crypto/bio/bss_fd.c
@@ -94,7 +94,7 @@ static int fd_new(BIO *bi)
     bi->num = -1;
     bi->ptr = NULL;
     bi->flags = BIO_FLAGS_UPLINK; /* essentially redundant */
-    return (1);
+    return 1;
 }
 
 static int fd_free(BIO *a)
@@ -108,7 +108,7 @@ static int fd_free(BIO *a)
         a->init = 0;
         a->flags = BIO_FLAGS_UPLINK;
     }
-    return (1);
+    return 1;
 }
 
 static int fd_read(BIO *b, char *out, int outl)
@@ -270,7 +270,7 @@ int BIO_fd_non_fatal_error(int err)
 # ifdef EALREADY
     case EALREADY:
 # endif
-        return (1);
+        return 1;
     default:
         break;
     }
diff --git a/crypto/bio/bss_log.c b/crypto/bio/bss_log.c
index 963371ed25..181ab9c58f 100644
--- a/crypto/bio/bss_log.c
+++ b/crypto/bio/bss_log.c
@@ -110,7 +110,7 @@ static int slg_new(BIO *bi)
     bi->num = 0;
     bi->ptr = NULL;
     xopenlog(bi, "application", LOG_DAEMON);
-    return (1);
+    return 1;
 }
 
 static int slg_free(BIO *a)
@@ -118,7 +118,7 @@ static int slg_free(BIO *a)
     if (a == NULL)
         return (0);
     xcloselog(a);
-    return (1);
+    return 1;
 }
 
 static int slg_write(BIO *b, const char *in, int inl)
diff --git a/crypto/bio/bss_mem.c b/crypto/bio/bss_mem.c
index 38ffb1025d..49ac1da024 100644
--- a/crypto/bio/bss_mem.c
+++ b/crypto/bio/bss_mem.c
@@ -165,7 +165,7 @@ static int mem_buf_free(BIO *a, int free_all)
             a->ptr = NULL;
         }
     }
-    return (1);
+    return 1;
 }
 
 /*
diff --git a/crypto/bio/bss_null.c b/crypto/bio/bss_null.c
index d197a609bd..14964d3985 100644
--- a/crypto/bio/bss_null.c
+++ b/crypto/bio/bss_null.c
@@ -46,14 +46,14 @@ static int null_new(BIO *bi)
     bi->init = 1;
     bi->num = 0;
     bi->ptr = (NULL);
-    return (1);
+    return 1;
 }
 
 static int null_free(BIO *a)
 {
     if (a == NULL)
         return (0);
-    return (1);
+    return 1;
 }
 
 static int null_read(BIO *b, char *out, int outl)
diff --git a/crypto/bio/bss_sock.c b/crypto/bio/bss_sock.c
index 71be1cde83..6ff0f663ed 100644
--- a/crypto/bio/bss_sock.c
+++ b/crypto/bio/bss_sock.c
@@ -73,7 +73,7 @@ static int sock_new(BIO *bi)
     bi->num = 0;
     bi->ptr = NULL;
     bi->flags = 0;
-    return (1);
+    return 1;
 }
 
 static int sock_free(BIO *a)
@@ -87,7 +87,7 @@ static int sock_free(BIO *a)
         a->init = 0;
         a->flags = 0;
     }
-    return (1);
+    return 1;
 }
 
 static int sock_read(BIO *b, char *out, int outl)
@@ -223,7 +223,7 @@ int BIO_sock_non_fatal_error(int err)
 # ifdef EALREADY
     case EALREADY:
 # endif
-        return (1);
+        return 1;
     default:
         break;
     }
diff --git a/crypto/bn/bn_div.c b/crypto/bn/bn_div.c
index bd49e07dbc..6801eccdd1 100644
--- a/crypto/bn/bn_div.c
+++ b/crypto/bn/bn_div.c
@@ -34,7 +34,7 @@ int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d,
         }
         if (dv != NULL)
             BN_zero(dv);
-        return (1);
+        return 1;
     }
 
     BN_CTX_start(ctx);
@@ -187,7 +187,7 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
         }
         if (dv != NULL)
             BN_zero(dv);
-        return (1);
+        return 1;
     }
 
     BN_CTX_start(ctx);
@@ -411,7 +411,7 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor,
     if (no_branch)
         bn_correct_top(res);
     BN_CTX_end(ctx);
-    return (1);
+    return 1;
  err:
     bn_check_top(rm);
     BN_CTX_end(ctx);
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c
index f0a3bf1e3d..d22a83fc34 100644
--- a/crypto/bn/bn_lib.c
+++ b/crypto/bn/bn_lib.c
@@ -404,7 +404,7 @@ int BN_set_word(BIGNUM *a, BN_ULONG w)
     a->d[0] = w;
     a->top = (w ? 1 : 0);
     bn_check_top(a);
-    return (1);
+    return 1;
 }
 
 BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret)
@@ -587,7 +587,7 @@ int BN_cmp(const BIGNUM *a, const BIGNUM *b)
         if (a != NULL)
             return (-1);
         else if (b != NULL)
-            return (1);
+            return 1;
         else
             return (0);
     }
@@ -599,7 +599,7 @@ int BN_cmp(const BIGNUM *a, const BIGNUM *b)
         if (a->neg)
             return (-1);
         else
-            return (1);
+            return 1;
     }
     if (a->neg == 0) {
         gt = 1;
@@ -643,7 +643,7 @@ int BN_set_bit(BIGNUM *a, int n)
 
     a->d[i] |= (((BN_ULONG)1) << j);
     bn_check_top(a);
-    return (1);
+    return 1;
 }
 
 int BN_clear_bit(BIGNUM *a, int n)
@@ -661,7 +661,7 @@ int BN_clear_bit(BIGNUM *a, int n)
 
     a->d[i] &= (~(((BN_ULONG)1) << j));
     bn_correct_top(a);
-    return (1);
+    return 1;
 }
 
 int BN_is_bit_set(const BIGNUM *a, int n)
@@ -697,7 +697,7 @@ int BN_mask_bits(BIGNUM *a, int n)
         a->d[w] &= ~(BN_MASK2 << b);
     }
     bn_correct_top(a);
-    return (1);
+    return 1;
 }
 
 void BN_set_negative(BIGNUM *a, int b)
diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c
index 975689432a..3585757da7 100644
--- a/crypto/bn/bn_mont.c
+++ b/crypto/bn/bn_mont.c
@@ -38,7 +38,7 @@ int BN_mod_mul_montgomery(BIGNUM *r, const BIGNUM *a, const BIGNUM *b,
             r->neg = a->neg ^ b->neg;
             r->top = num;
             bn_correct_top(r);
-            return (1);
+            return 1;
         }
     }
 #endif
@@ -82,7 +82,7 @@ static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)
     nl = n->top;
     if (nl == 0) {
         ret->top = 0;
-        return (1);
+        return 1;
     }
 
     max = (2 * nl);             /* carry is stored separately */
@@ -159,7 +159,7 @@ static int BN_from_montgomery_word(BIGNUM *ret, BIGNUM *r, BN_MONT_CTX *mont)
     bn_correct_top(ret);
     bn_check_top(ret);
 
-    return (1);
+    return 1;
 }
 #endif                          /* MONT_WORD */
 
diff --git a/crypto/bn/bn_mul.c b/crypto/bn/bn_mul.c
index 36d1b4ecc8..fd6b4c2429 100644
--- a/crypto/bn/bn_mul.c
+++ b/crypto/bn/bn_mul.c
@@ -516,7 +516,7 @@ int BN_mul(BIGNUM *r, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
 
     if ((al == 0) || (bl == 0)) {
         BN_zero(r);
-        return (1);
+        return 1;
     }
     top = al + bl;
 
diff --git a/crypto/bn/bn_prime.c b/crypto/bn/bn_prime.c
index 026c119c13..0b98618a18 100644
--- a/crypto/bn/bn_prime.c
+++ b/crypto/bn/bn_prime.c
@@ -350,7 +350,7 @@ static int probable_prime(BIGNUM *rnd, int bits, prime_t *mods)
     if (BN_num_bits(rnd) != bits)
         goto again;
     bn_check_top(rnd);
-    return (1);
+    return 1;
 }
 
 int bn_probable_prime_dh(BIGNUM *rnd, int bits,
diff --git a/crypto/bn/bn_recp.c b/crypto/bn/bn_recp.c
index 80bfa2d38b..b82ff1656d 100644
--- a/crypto/bn/bn_recp.c
+++ b/crypto/bn/bn_recp.c
@@ -48,7 +48,7 @@ int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)
     BN_zero(&(recp->Nr));
     recp->num_bits = BN_num_bits(d);
     recp->shift = 0;
-    return (1);
+    return 1;
 }
 
 int BN_mod_mul_reciprocal(BIGNUM *r, const BIGNUM *x, const BIGNUM *y,
@@ -101,7 +101,7 @@ int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
             return 0;
         }
         BN_CTX_end(ctx);
-        return (1);
+        return 1;
     }
 
     /*
diff --git a/crypto/bn/bn_shift.c b/crypto/bn/bn_shift.c
index 6a1eec80af..b3e2751eb4 100644
--- a/crypto/bn/bn_shift.c
+++ b/crypto/bn/bn_shift.c
@@ -40,7 +40,7 @@ int BN_lshift1(BIGNUM *r, const BIGNUM *a)
         r->top++;
     }
     bn_check_top(r);
-    return (1);
+    return 1;
 }
 
 int BN_rshift1(BIGNUM *r, const BIGNUM *a)
@@ -53,7 +53,7 @@ int BN_rshift1(BIGNUM *r, const BIGNUM *a)
 
     if (BN_is_zero(a)) {
         BN_zero(r);
-        return (1);
+        return 1;
     }
     i = a->top;
     ap = a->d;
@@ -77,7 +77,7 @@ int BN_rshift1(BIGNUM *r, const BIGNUM *a)
     if (!r->top)
         r->neg = 0; /* don't allow negative zero */
     bn_check_top(r);
-    return (1);
+    return 1;
 }
 
 int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
@@ -116,7 +116,7 @@ int BN_lshift(BIGNUM *r, const BIGNUM *a, int n)
     r->top = a->top + nw + 1;
     bn_correct_top(r);
     bn_check_top(r);
-    return (1);
+    return 1;
 }
 
 int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)
@@ -138,7 +138,7 @@ int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)
     lb = BN_BITS2 - rb;
     if (nw >= a->top || a->top == 0) {
         BN_zero(r);
-        return (1);
+        return 1;
     }
     i = (BN_num_bits(a) - n + (BN_BITS2 - 1)) / BN_BITS2;
     if (r != a) {
@@ -171,5 +171,5 @@ int BN_rshift(BIGNUM *r, const BIGNUM *a, int n)
     if (!r->top)
         r->neg = 0; /* don't allow negative zero */
     bn_check_top(r);
-    return (1);
+    return 1;
 }
diff --git a/crypto/bn/bn_word.c b/crypto/bn/bn_word.c
index 1af13a53fb..fd1aa41d0e 100644
--- a/crypto/bn/bn_word.c
+++ b/crypto/bn/bn_word.c
@@ -128,7 +128,7 @@ int BN_add_word(BIGNUM *a, BN_ULONG w)
         a->d[i] = w;
     }
     bn_check_top(a);
-    return (1);
+    return 1;
 }
 
 int BN_sub_word(BIGNUM *a, BN_ULONG w)
@@ -159,7 +159,7 @@ int BN_sub_word(BIGNUM *a, BN_ULONG w)
     if ((a->top == 1) && (a->d[0] < w)) {
         a->d[0] = w - a->d[0];
         a->neg = 1;
-        return (1);
+        return 1;
     }
     i = 0;
     for (;;) {
@@ -175,7 +175,7 @@ int BN_sub_word(BIGNUM *a, BN_ULONG w)
     if ((a->d[i] == 0) && (i == (a->top - 1)))
         a->top--;
     bn_check_top(a);
-    return (1);
+    return 1;
 }
 
 int BN_mul_word(BIGNUM *a, BN_ULONG w)
@@ -197,5 +197,5 @@ int BN_mul_word(BIGNUM *a, BN_ULONG w)
         }
     }
     bn_check_top(a);
-    return (1);
+    return 1;
 }
diff --git a/crypto/des/rand_key.c b/crypto/des/rand_key.c
index 61e4f9d05d..3921aaf005 100644
--- a/crypto/des/rand_key.c
+++ b/crypto/des/rand_key.c
@@ -17,5 +17,5 @@ int DES_random_key(DES_cblock *ret)
             return (0);
     } while (DES_is_weak_key(ret));
     DES_set_odd_parity(ret);
-    return (1);
+    return 1;
 }
diff --git a/crypto/des/set_key.c b/crypto/des/set_key.c
index cd3ec67ecb..91b83ee3fe 100644
--- a/crypto/des/set_key.c
+++ b/crypto/des/set_key.c
@@ -67,7 +67,7 @@ int DES_check_key_parity(const_DES_cblock *key)
         if ((*key)[i] != odd_parity[(*key)[i]])
             return (0);
     }
-    return (1);
+    return 1;
 }
 
 /*-
@@ -114,7 +114,7 @@ int DES_is_weak_key(const_DES_cblock *key)
          * 97/03/18
          */
         if (memcmp(weak_keys[i], key, sizeof(DES_cblock)) == 0)
-            return (1);
+            return 1;
     return (0);
 }
 
diff --git a/crypto/dh/dh_key.c b/crypto/dh/dh_key.c
index ce01948602..226c52d5d6 100644
--- a/crypto/dh/dh_key.c
+++ b/crypto/dh/dh_key.c
@@ -217,11 +217,11 @@ static int dh_bn_mod_exp(const DH *dh, BIGNUM *r,
 static int dh_init(DH *dh)
 {
     dh->flags |= DH_FLAG_CACHE_MONT_P;
-    return (1);
+    return 1;
 }
 
 static int dh_finish(DH *dh)
 {
     BN_MONT_CTX_free(dh->method_mont_p);
-    return (1);
+    return 1;
 }
diff --git a/crypto/dsa/dsa_asn1.c b/crypto/dsa/dsa_asn1.c
index 92d6ae0ef1..86a7ee7b86 100644
--- a/crypto/dsa/dsa_asn1.c
+++ b/crypto/dsa/dsa_asn1.c
@@ -119,7 +119,7 @@ int DSA_sign(int type, const unsigned char *dgst, int dlen,
     }
     *siglen = i2d_DSA_SIG(s, &sig);
     DSA_SIG_free(s);
-    return (1);
+    return 1;
 }
 
 /* data has already been hashed (probably with SHA or SHA-1). */
diff --git a/crypto/dsa/dsa_ossl.c b/crypto/dsa/dsa_ossl.c
index a3b2069c1f..9dc031607a 100644
--- a/crypto/dsa/dsa_ossl.c
+++ b/crypto/dsa/dsa_ossl.c
@@ -340,11 +340,11 @@ static int dsa_do_verify(const unsigned char *dgst, int dgst_len,
 static int dsa_init(DSA *dsa)
 {
     dsa->flags |= DSA_FLAG_CACHE_MONT_P;
-    return (1);
+    return 1;
 }
 
 static int dsa_finish(DSA *dsa)
 {
     BN_MONT_CTX_free(dsa->method_mont_p);
-    return (1);
+    return 1;
 }
diff --git a/crypto/dso/dso_dl.c b/crypto/dso/dso_dl.c
index d80bf562c7..91f703079e 100644
--- a/crypto/dso/dso_dl.c
+++ b/crypto/dso/dso_dl.c
@@ -83,7 +83,7 @@ static int dl_load(DSO *dso)
      * (it also serves as the indicator that we are currently loaded).
      */
     dso->loaded_filename = filename;
-    return (1);
+    return 1;
  err:
     /* Cleanup! */
     OPENSSL_free(filename);
@@ -100,7 +100,7 @@ static int dl_unload(DSO *dso)
         return (0);
     }
     if (sk_num(dso->meth_data) < 1)
-        return (1);
+        return 1;
     /* Is this statement legal? */
     ptr = (shl_t) sk_pop(dso->meth_data);
     if (ptr == NULL) {
@@ -112,7 +112,7 @@ static int dl_unload(DSO *dso)
         return (0);
     }
     shl_unload(ptr);
-    return (1);
+    return 1;
 }
 
 static DSO_FUNC_TYPE dl_bind_func(DSO *dso, const char *symname)
diff --git a/crypto/dso/dso_dlfcn.c b/crypto/dso/dso_dlfcn.c
index a4b0cdd95b..1b81d686aa 100644
--- a/crypto/dso/dso_dlfcn.c
+++ b/crypto/dso/dso_dlfcn.c
@@ -120,7 +120,7 @@ static int dlfcn_load(DSO *dso)
     }
     /* Success */
     dso->loaded_filename = filename;
-    return (1);
+    return 1;
  err:
     /* Cleanup! */
     OPENSSL_free(filename);
@@ -137,7 +137,7 @@ static int dlfcn_unload(DSO *dso)
         return (0);
     }
     if (sk_void_num(dso->meth_data) < 1)
-        return (1);
+        return 1;
     ptr = sk_void_pop(dso->meth_data);
     if (ptr == NULL) {
         DSOerr(DSO_F_DLFCN_UNLOAD, DSO_R_NULL_HANDLE);
@@ -149,7 +149,7 @@ static int dlfcn_unload(DSO *dso)
     }
     /* For now I'm not aware of any errors associated with dlclose() */
     dlclose(ptr);
-    return (1);
+    return 1;
 }
 
 static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname)
diff --git a/crypto/dso/dso_lib.c b/crypto/dso/dso_lib.c
index 3c83ab8e91..007d40b6be 100644
--- a/crypto/dso/dso_lib.c
+++ b/crypto/dso/dso_lib.c
@@ -64,7 +64,7 @@ int DSO_free(DSO *dso)
     int i;
 
     if (dso == NULL)
-        return (1);
+        return 1;
 
     if (CRYPTO_DOWN_REF(&dso->references, &i, dso->lock) <= 0)
         return 0;
@@ -257,7 +257,7 @@ int DSO_set_filename(DSO *dso, const char *filename)
     }
     OPENSSL_free(dso->filename);
     dso->filename = copied;
-    return (1);
+    return 1;
 }
 
 char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2)
diff --git a/crypto/dso/dso_vms.c b/crypto/dso/dso_vms.c
index e3c157bf57..cb320179dd 100644
--- a/crypto/dso/dso_vms.c
+++ b/crypto/dso/dso_vms.c
@@ -207,7 +207,7 @@ static int vms_load(DSO *dso)
 
     /* Success (for now, we lie.  We actually do not know...) */
     dso->loaded_filename = filename;
-    return (1);
+    return 1;
  err:
     /* Cleanup! */
     OPENSSL_free(p);
@@ -228,7 +228,7 @@ static int vms_unload(DSO *dso)
         return (0);
     }
     if (sk_void_num(dso->meth_data) < 1)
-        return (1);
+        return 1;
     p = (DSO_VMS_INTERNAL *)sk_void_pop(dso->meth_data);
     if (p == NULL) {
         DSOerr(DSO_F_VMS_UNLOAD, DSO_R_NULL_HANDLE);
@@ -236,7 +236,7 @@ static int vms_unload(DSO *dso)
     }
     /* Cleanup */
     OPENSSL_free(p);
-    return (1);
+    return 1;
 }
 
 /*
diff --git a/crypto/dso/dso_win32.c b/crypto/dso/dso_win32.c
index 5f50774bb8..f3aadc699e 100644
--- a/crypto/dso/dso_win32.c
+++ b/crypto/dso/dso_win32.c
@@ -120,7 +120,7 @@ static int win32_load(DSO *dso)
     }
     /* Success */
     dso->loaded_filename = filename;
-    return (1);
+    return 1;
  err:
     /* Cleanup ! */
     OPENSSL_free(filename);
@@ -138,7 +138,7 @@ static int win32_unload(DSO *dso)
         return (0);
     }
     if (sk_void_num(dso->meth_data) < 1)
-        return (1);
+        return 1;
     p = sk_void_pop(dso->meth_data);
     if (p == NULL) {
         DSOerr(DSO_F_WIN32_UNLOAD, DSO_R_NULL_HANDLE);
@@ -154,7 +154,7 @@ static int win32_unload(DSO *dso)
     }
     /* Cleanup */
     OPENSSL_free(p);
-    return (1);
+    return 1;
 }
 
 static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname)
diff --git a/crypto/evp/encode.c b/crypto/evp/encode.c
index abb1044378..e50f100ebc 100644
--- a/crypto/evp/encode.c
+++ b/crypto/evp/encode.c
@@ -398,7 +398,7 @@ int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl)
             return (-1);
         ctx->num = 0;
         *outl = i;
-        return (1);
+        return 1;
     } else
-        return (1);
+        return 1;
 }
diff --git a/crypto/evp/evp_enc.c b/crypto/evp/evp_enc.c
index f829e8dccd..d21a0c7e54 100644
--- a/crypto/evp/evp_enc.c
+++ b/crypto/evp/evp_enc.c
@@ -547,7 +547,7 @@ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
         *outl = n;
     } else
         *outl = 0;
-    return (1);
+    return 1;
 }
 
 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *c, int keylen)
diff --git a/crypto/pkcs7/pk7_doit.c b/crypto/pkcs7/pk7_doit.c
index bc6bd30fc3..0ff9e9364e 100644
--- a/crypto/pkcs7/pk7_doit.c
+++ b/crypto/pkcs7/pk7_doit.c
@@ -1105,7 +1105,7 @@ int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si,
             == NULL)
             return (0);
     }
-    return (1);
+    return 1;
 }
 
 int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si,
@@ -1124,7 +1124,7 @@ int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si,
             == NULL)
             return (0);
     }
-    return (1);
+    return 1;
 }
 
 int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype,
@@ -1174,5 +1174,5 @@ static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype,
         goto new_attrib;
     }
  end:
-    return (1);
+    return 1;
 }
diff --git a/crypto/pkcs7/pk7_lib.c b/crypto/pkcs7/pk7_lib.c
index 69c68cf5f3..1ab53b8a64 100644
--- a/crypto/pkcs7/pk7_lib.c
+++ b/crypto/pkcs7/pk7_lib.c
@@ -71,7 +71,7 @@ int PKCS7_content_new(PKCS7 *p7, int type)
     if (!PKCS7_set_content(p7, ret))
         goto err;
 
-    return (1);
+    return 1;
  err:
     PKCS7_free(ret);
     return (0);
@@ -99,7 +99,7 @@ int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data)
         PKCS7err(PKCS7_F_PKCS7_SET_CONTENT, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
         goto err;
     }
-    return (1);
+    return 1;
  err:
     return (0);
 }
@@ -171,7 +171,7 @@ int PKCS7_set_type(PKCS7 *p7, int type)
         PKCS7err(PKCS7_F_PKCS7_SET_TYPE, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
         goto err;
     }
-    return (1);
+    return 1;
  err:
     return (0);
 }
@@ -233,7 +233,7 @@ int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *psi)
 
     if (!sk_PKCS7_SIGNER_INFO_push(signer_sk, psi))
         return 0;
-    return (1);
+    return 1;
 }
 
 int PKCS7_add_certificate(PKCS7 *p7, X509 *x509)
@@ -265,7 +265,7 @@ int PKCS7_add_certificate(PKCS7 *p7, X509 *x509)
         X509_free(x509);
         return 0;
     }
-    return (1);
+    return 1;
 }
 
 int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl)
@@ -298,7 +298,7 @@ int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl)
         X509_CRL_free(crl);
         return 0;
     }
-    return (1);
+    return 1;
 }
 
 int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
@@ -457,7 +457,7 @@ int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri)
 
     if (!sk_PKCS7_RECIP_INFO_push(sk, ri))
         return 0;
-    return (1);
+    return 1;
 }
 
 int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509)
diff --git a/crypto/txt_db/txt_db.c b/crypto/txt_db/txt_db.c
index cf932a52aa..a4d775c1a6 100644
--- a/crypto/txt_db/txt_db.c
+++ b/crypto/txt_db/txt_db.c
@@ -184,7 +184,7 @@ int TXT_DB_create_index(TXT_DB *db, int field, int (*qual) (OPENSSL_STRING *),
     lh_OPENSSL_STRING_free(db->index[field]);
     db->index[field] = idx;
     db->qual[field] = qual;
-    return (1);
+    return 1;
 }
 
 long TXT_DB_write(BIO *out, TXT_DB *db)
@@ -264,7 +264,7 @@ int TXT_DB_insert(TXT_DB *db, OPENSSL_STRING *row)
     }
     if (!sk_OPENSSL_PSTRING_push(db->data, row))
         goto err1;
-    return (1);
+    return 1;
 
  err1:
     db->error = DB_ERROR_MALLOC;
diff --git a/crypto/whrlpool/wp_dgst.c b/crypto/whrlpool/wp_dgst.c
index 6d925517a2..2fb397a389 100644
--- a/crypto/whrlpool/wp_dgst.c
+++ b/crypto/whrlpool/wp_dgst.c
@@ -67,7 +67,7 @@
 int WHIRLPOOL_Init(WHIRLPOOL_CTX *c)
 {
     memset(c, 0, sizeof(*c));
-    return (1);
+    return 1;
 }
 
 int WHIRLPOOL_Update(WHIRLPOOL_CTX *c, const void *_inp, size_t bytes)
@@ -88,7 +88,7 @@ int WHIRLPOOL_Update(WHIRLPOOL_CTX *c, const void *_inp, size_t bytes)
     if (bytes)
         WHIRLPOOL_BitUpdate(c, inp, bytes * 8);
 
-    return (1);
+    return 1;
 }
 
 void WHIRLPOOL_BitUpdate(WHIRLPOOL_CTX *c, const void *_inp, size_t bits)
@@ -247,7 +247,7 @@ int WHIRLPOOL_Final(unsigned char *md, WHIRLPOOL_CTX *c)
     if (md) {
         memcpy(md, c->H.c, WHIRLPOOL_DIGEST_LENGTH);
         OPENSSL_cleanse(c, sizeof(*c));
-        return (1);
+        return 1;
     }
     return (0);
 }
diff --git a/crypto/x509/t_req.c b/crypto/x509/t_req.c
index 77ce810835..22ee25bbf0 100644
--- a/crypto/x509/t_req.c
+++ b/crypto/x509/t_req.c
@@ -186,7 +186,7 @@ int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
             goto err;
     }
 
-    return (1);
+    return 1;
  err:
     X509err(X509_F_X509_REQ_PRINT_EX, ERR_R_BUF_LIB);
     return (0);
diff --git a/crypto/x509/t_x509.c b/crypto/x509/t_x509.c
index eb65d88732..faabdbfccc 100644
--- a/crypto/x509/t_x509.c
+++ b/crypto/x509/t_x509.c
@@ -266,7 +266,7 @@ int X509_ocspid_print(BIO *bp, X509 *x)
     }
     BIO_printf(bp, "\n");
 
-    return (1);
+    return 1;
  err:
     OPENSSL_free(der);
     return (0);
diff --git a/crypto/x509/x509_d2.c b/crypto/x509/x509_d2.c
index cb03dbfa6c..95d57bb732 100644
--- a/crypto/x509/x509_d2.c
+++ b/crypto/x509/x509_d2.c
@@ -29,7 +29,7 @@ int X509_STORE_set_default_paths(X509_STORE *ctx)
     /* clear any errors */
     ERR_clear_error();
 
-    return (1);
+    return 1;
 }
 
 int X509_STORE_load_locations(X509_STORE *ctx, const char *file,
@@ -53,5 +53,5 @@ int X509_STORE_load_locations(X509_STORE *ctx, const char *file,
     }
     if ((path == NULL) && (file == NULL))
         return (0);
-    return (1);
+    return 1;
 }
diff --git a/crypto/x509/x509_set.c b/crypto/x509/x509_set.c
index c634670fa6..e2454110ce 100644
--- a/crypto/x509/x509_set.c
+++ b/crypto/x509/x509_set.c
@@ -26,7 +26,7 @@ int X509_set_version(X509 *x, long version)
     if (version == 0) {
         ASN1_INTEGER_free(x->cert_info.version);
         x->cert_info.version = NULL;
-        return (1);
+        return 1;
     }
     if (x->cert_info.version == NULL) {
         if ((x->cert_info.version = ASN1_INTEGER_new()) == NULL)
diff --git a/crypto/x509/x509_v3.c b/crypto/x509/x509_v3.c
index 6bbe23404a..1ce8894045 100644
--- a/crypto/x509/x509_v3.c
+++ b/crypto/x509/x509_v3.c
@@ -195,7 +195,7 @@ int X509_EXTENSION_set_critical(X509_EXTENSION *ex, int crit)
     if (ex == NULL)
         return (0);
     ex->critical = (crit) ? 0xFF : -1;
-    return (1);
+    return 1;
 }
 
 int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data)
@@ -207,7 +207,7 @@ int X509_EXTENSION_set_data(X509_EXTENSION *ex, ASN1_OCTET_STRING *data)
     i = ASN1_OCTET_STRING_set(&ex->value, data->data, data->length);
     if (!i)
         return (0);
-    return (1);
+    return 1;
 }
 
 ASN1_OBJECT *X509_EXTENSION_get_object(X509_EXTENSION *ex)
diff --git a/crypto/x509/x509name.c b/crypto/x509/x509name.c
index 90b1fd04d8..eb912396ea 100644
--- a/crypto/x509/x509name.c
+++ b/crypto/x509/x509name.c
@@ -232,7 +232,7 @@ int X509_NAME_add_entry(X509_NAME *name, const X509_NAME_ENTRY *ne, int loc,
         for (i = loc + 1; i < n; i++)
             sk_X509_NAME_ENTRY_value(sk, i - 1)->set += 1;
     }
-    return (1);
+    return 1;
  err:
     X509_NAME_ENTRY_free(new_name);
     return (0);
@@ -337,7 +337,7 @@ int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type,
         else
             ne->value->type = type;
     }
-    return (1);
+    return 1;
 }
 
 ASN1_OBJECT *X509_NAME_ENTRY_get_object(const X509_NAME_ENTRY *ne)