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authorMike DePaulo <mikedep333@gmail.com>2015-07-07 08:57:00 -0400
committerMike DePaulo <mikedep333@gmail.com>2015-07-07 09:01:38 -0400
commitf65ff03d106f4cfe162bfde4780426b7bbc2e4ee (patch)
tree571dd0bd95a0341fcb1817a3a17df69b1d43e3de /openssl/crypto/bn/bn_print.c
parent4241d28e545a02eb753c8f713149e20747f044b6 (diff)
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Update openssl: 1.0.1m -> 1.0.1o
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;