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Just moved around some logic in Curl_write() to make it easier to debug.

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This commit is contained in:
Daniel Stenberg 2003-06-06 14:56:50 +00:00
parent 89352d92c5
commit bc7fe85f8a
1 changed files with 32 additions and 14 deletions
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46
lib/sendf.c
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@ -94,7 +94,6 @@ struct curl_slist *curl_slist_append(struct curl_slist *list,
new_item->data = strdup(data);
}
if (new_item == NULL || new_item->data == NULL) {
fprintf(stderr, "Cannot allocate memory for QUOTE list.\n");
return NULL;
}
@ -229,6 +228,7 @@ CURLcode Curl_write(struct connectdata *conn, int sockfd,
ssize_t *written)
{
ssize_t bytes_written;
CURLcode retcode;
(void)conn;
#ifdef USE_SSLEAY
@ -244,13 +244,28 @@ CURLcode Curl_write(struct connectdata *conn, int sockfd,
switch(err) {
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_WRITE:
/* this is basicly the EWOULDBLOCK equivalent */
/* The operation did not complete; the same TLS/SSL I/O function
should be called again later. This is basicly an EWOULDBLOCK
equivalent. */
*written = 0;
return CURLE_OK;
case SSL_ERROR_SYSCALL:
failf(conn->data, "SSL_write() returned SYSCALL, errno = %d\n",
Curl_ourerrno());
return CURLE_SEND_ERROR;
case SSL_ERROR_SSL:
{
/* A failure in the SSL library occurred, usually a
protocol error. The OpenSSL error queue contains more
information on the error. */
char error_buffer[120]; /* OpenSSL documents that this must be at least
120 bytes long. */
int sslerror = ERR_get_error();
failf(conn->data, "SSL_write() error: %s\n",
ERR_error_string(sslerror, error_buffer));
return CURLE_SEND_ERROR;
}
break;
}
/* a true error */
failf(conn->data, "SSL_write() return error %d\n", err);
@ -271,27 +286,30 @@ CURLcode Curl_write(struct connectdata *conn, int sockfd,
}
if(-1 == bytes_written) {
int err = Curl_ourerrno();
#ifdef WIN32
if(WSAEWOULDBLOCK == err)
if(
#ifdef WSAEWOULDBLOCK
/* This is how Windows does it */
(WSAEWOULDBLOCK == err)
#else
/* As pointed out by Christophe Demory on March 11 2003, errno
may be EWOULDBLOCK or on some systems EAGAIN when it returned
due to its inability to send off data without blocking. We
therefor treat both error codes the same here */
if((EWOULDBLOCK == err) || (EAGAIN == err) || (EINTR == err))
/* As pointed out by Christophe Demory on March 11 2003, errno
may be EWOULDBLOCK or on some systems EAGAIN when it returned
due to its inability to send off data without blocking. We
therefor treat both error codes the same here */
(EWOULDBLOCK == err) || (EAGAIN == err) || (EINTR == err)
#endif
{
)
/* this is just a case of EWOULDBLOCK */
*written=0;
return CURLE_OK;
}
bytes_written=0;
}
#ifdef USE_SSLEAY
}
#endif
*written = bytes_written;
return (-1 != bytes_written)?CURLE_OK:CURLE_SEND_ERROR;
retcode = (-1 != bytes_written)?CURLE_OK:CURLE_SEND_ERROR;
return retcode;
}
/* client_write() sends data to the write callback(s)