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wolfssl: handle SSL_write() returns 0 for error

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Reported-by: Timo Lange

Closes #6967
This commit is contained in:
Daniel Stenberg 2021-04-26 11:11:59 +02:00
parent f154ae9de3
commit 9fc284427c
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GPG key ID: 5CC908FDB71E12C2
1 changed files with 1 additions and 1 deletions
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lib/vtls/wolfssl.c
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@ -786,7 +786,7 @@ static ssize_t wolfssl_send(struct Curl_easy *data,
int memlen = (len > (size_t)INT_MAX) ? INT_MAX : (int)len;
int rc = SSL_write(backend->handle, mem, memlen);
if(rc < 0) {
if(rc <= 0) {
int err = SSL_get_error(backend->handle, rc);
switch(err) {