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authormarha <marha@users.sourceforge.net>2015-06-15 20:18:50 +0200
committermarha <marha@users.sourceforge.net>2015-06-15 20:18:50 +0200
commit5fe210ff514aa4b3149ea7561862776d7b8849e7 (patch)
treee03de3521d40e559090e665d6dc46cd03c0d877c /openssl/crypto/bn/bn_print.c
parent843964ee791452b197e41dacb0146f5b456ffaa5 (diff)
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Update to openssl-1.0.2c
Diffstat (limited to 'openssl/crypto/bn/bn_print.c')
-rw-r--r--openssl/crypto/bn/bn_print.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/openssl/crypto/bn/bn_print.c b/openssl/crypto/bn/bn_print.c
index 4dcaae32b..ab10b957b 100644
--- a/openssl/crypto/bn/bn_print.c
+++ b/openssl/crypto/bn/bn_print.c
@@ -71,7 +71,12 @@ char *BN_bn2hex(const BIGNUM *a)
char *buf;
char *p;
- buf = (char *)OPENSSL_malloc(a->top * BN_BYTES * 2 + 2);
+ if (a->neg && BN_is_zero(a)) {
+ /* "-0" == 3 bytes including NULL terminator */
+ buf = OPENSSL_malloc(3);
+ } else {
+ buf = OPENSSL_malloc(a->top * BN_BYTES * 2 + 2);
+ }
if (buf == NULL) {
BNerr(BN_F_BN_BN2HEX, ERR_R_MALLOC_FAILURE);
goto err;