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author | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2019-06-14 14:48:37 +0200 |
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committer | Bernd Edlinger <bernd.edlinger@hotmail.de> | 2019-06-18 13:58:52 +0200 |
commit | 2459dc1bd09468c83f1767b6b6a1ddc45ba60d36 (patch) | |
tree | 096abf2ee446c164184e2aa7d3746bd90897c155 /crypto/o_str.c | |
parent | 10bf5068190ab25324648dd4a0becd4bd46ecc37 (diff) |
Fix error handling at openssl_strerror_r
When bufsize == 0, openssl_strerror_r should return 0 (if _GNU_SOURCE is defined),
to be consistent with non-_GNU_SOURCE variants, which exhibit the same behavior.
Fix a few cases, where the return value of openssl_strerror_r was ignored.
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/9163)
(cherry picked from commit e7a4682d0b347f0dfba629f4601a28801e54ad67)
Diffstat (limited to 'crypto/o_str.c')
-rw-r--r-- | crypto/o_str.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/o_str.c b/crypto/o_str.c index 1dbd70d58c..9ad7a89dca 100644 --- a/crypto/o_str.c +++ b/crypto/o_str.c @@ -231,7 +231,7 @@ int openssl_strerror_r(int errnum, char *buf, size_t buflen) * buf is left unused. */ err = strerror_r(errnum, buf, buflen); - if (err == NULL) + if (err == NULL || buflen == 0) return 0; /* * If err is statically allocated, err != buf and we need to copy the data. |