In realloc, don't destroy the old memory area if a new one couldn't be

allocated.
Notified by Daniel Lucq <daniel@lucq.org>

diff --git a/crypto/mem.c b/crypto/mem.c
index 29df7d35b248891beb2d60585a102fd2e2768ad0..bb862db49975f99110349ef5e337f6df3d92eb72 100644 (file)
--- a/crypto/mem.c
+++ b/crypto/mem.c
@@ -352,11 +352,15 @@ void *CRYPTO_realloc_clean(void *str, int old_len, int num, const char *file,
                realloc_debug_func(str, NULL, num, file, line, 0);
        ret=malloc_ex_func(num,file,line);
        if(ret)
+               {
                memcpy(ret,str,old_len);
-       OPENSSL_cleanse(str,old_len);
-       free_func(str);
+               OPENSSL_cleanse(str,old_len);
+               free_func(str);
+               }
 #ifdef LEVITTE_DEBUG_MEM
-       fprintf(stderr, "LEVITTE_DEBUG_MEM:         | 0x%p -> 0x%p (%d)\n", str, ret, num);
+       fprintf(stderr,
+               "LEVITTE_DEBUG_MEM:         | 0x%p -> 0x%p (%d)\n",
+               str, ret, num);
 #endif
        if (realloc_debug_func != NULL)
                realloc_debug_func(str, ret, num, file, line, 1);