Rename *_realloc_clean to *_clear_realloc

Just like *_clear_free routines.  Previously undocumented, used
a half-dozen times within OpenSSL source.
Reviewed-by: NRichard Levitte <levitte@openssl.org>

crypto/asn1/a_bitstr.c

@@ -204,7 +204,7 @@ int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *a, int n, int value)
     if ((a->length < (w + 1)) || (a->data == NULL)) {
         if (!value)
             return (1);         /* Don't need to set */
-        c = OPENSSL_realloc_clean(a->data, a->length, w + 1);
+        c = OPENSSL_clear_realloc(a->data, a->length, w + 1);
         if (c == NULL) {
             ASN1err(ASN1_F_ASN1_BIT_STRING_SET_BIT, ERR_R_MALLOC_FAILURE);
             return 0;

crypto/asn1/f_int.c

@@ -164,7 +164,7 @@ int a2i_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *bs, char *buf, int size)
         }
         i /= 2;
         if (num + i > slen) {
-            sp = OPENSSL_realloc_clean(s, slen, num + i * 2);
+            sp = OPENSSL_clear_realloc(s, slen, num + i * 2);
             if (sp == NULL) {
                 ASN1err(ASN1_F_A2I_ASN1_INTEGER, ERR_R_MALLOC_FAILURE);
                 OPENSSL_free(s);

crypto/buffer/buffer.c

@@ -179,7 +179,7 @@ size_t BUF_MEM_grow_clean(BUF_MEM *str, size_t len)
     if ((str->flags & BUF_MEM_FLAG_SECURE))
         ret = sec_alloc_realloc(str, n);
     else
-        ret = OPENSSL_realloc_clean(str->data, str->max, n);
+        ret = OPENSSL_clear_realloc(str->data, str->max, n);
     if (ret == NULL) {
         BUFerr(BUF_F_BUF_MEM_GROW_CLEAN, ERR_R_MALLOC_FAILURE);
         len = 0;

crypto/mem.c

@@ -337,7 +337,7 @@ void *CRYPTO_realloc(void *str, size_t num, const char *file, int line)
     return ret;
 }
 
-void *CRYPTO_realloc_clean(void *str, size_t old_len, size_t num,
+void *CRYPTO_clear_realloc(void *str, size_t old_len, size_t num,
                            const char *file, int line)
 {
     void *ret = NULL;

include/openssl/crypto.h

@@ -326,8 +326,8 @@ int CRYPTO_is_mem_check_on(void);
 # define OPENSSL_strndup(str, s) CRYPTO_strndup((str), (s), __FILE__, __LINE__)
 # define OPENSSL_realloc(addr,num) \
         CRYPTO_realloc((char *)addr, (int)num, __FILE__, __LINE__)
-# define OPENSSL_realloc_clean(addr,old_num,num) \
-        CRYPTO_realloc_clean(addr, old_num, num, __FILE__, __LINE__)
+# define OPENSSL_clear_realloc(addr, old_num, num) \
+        CRYPTO_clear_realloc(addr, old_num, num, __FILE__, __LINE__)
 # define OPENSSL_clear_free(addr, num) CRYPTO_clear_free(addr, num)
 # define OPENSSL_free(addr)      CRYPTO_free(addr)
 
@@ -480,7 +480,7 @@ char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
 void CRYPTO_free(void *ptr);
 void CRYPTO_clear_free(void *ptr, size_t num);
 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line);
-void *CRYPTO_realloc_clean(void *addr, size_t old_num, size_t num,
+void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
                            const char *file, int line);
 
 # define OPENSSL_secure_malloc(num) \

util/libeay.num

@@ -2797,7 +2797,7 @@ EVP_des_ede3_ecb                        3236	1_1_0	EXIST::FUNCTION:DES
 X509_REQ_print_ex                       3237	1_1_0	EXIST::FUNCTION:
 ENGINE_up_ref                           3238	1_1_0	EXIST::FUNCTION:ENGINE
 BUF_MEM_grow_clean                      3239	1_1_0	EXIST::FUNCTION:
-CRYPTO_realloc_clean                    3240	1_1_0	EXIST::FUNCTION:
+CRYPTO_clear_realloc                    3240	1_1_0	EXIST::FUNCTION:
 BUF_strlcat                             3241	1_1_0	NOEXIST::FUNCTION:
 BIO_indent                              3242	1_1_0	EXIST::FUNCTION:
 BUF_strlcpy                             3243	1_1_0	NOEXIST::FUNCTION: