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auth_token.c: add NULL initialization

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This fixes

  error C4703: potentially uninitialized local pointer variable
'b64output' used

found by arm64 msvc compiler with SDL enabled.

Not sure why this is not triggered on x86/x64.

Signed-off-by: Lev Stipakov <lev@openvpn.net>
Acked-by: Antonio Quartulli <antonio@openvpn.net>
Acked-by: Arne Schwabe <arne@rfc2549.org>
Message-Id: <20220107123550.188-1-lstipakov@gmail.com>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg23511.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>
This commit is contained in:
Lev Stipakov 2022-01-07 14:35:50 +02:00 committed by Gert Doering
parent c2c8128ad5
commit 4b6073b825
1 changed files with 1 additions and 1 deletions
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2
src/openvpn/auth_token.c
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@ -259,7 +259,7 @@ generate_auth_token(const struct user_pass *up, struct tls_multi *multi)
ASSERT(buf_write(&token, &timestamp, sizeof(timestamp)));
ASSERT(buf_write(&token, hmac_output, sizeof(hmac_output)));
char *b64output;
char *b64output = NULL;
openvpn_base64_encode(BPTR(&token), BLEN(&token), &b64output);
struct buffer session_token = alloc_buf_gc(