/*
* add_bufferf() builds a buffer from the formatted input
*/
static
CURLcode add_bufferf(send_buffer *in, const char *fmt, ...)
{
CURLcode result = CURLE_OUT_OF_MEMORY;
char *s;
va_list ap;
va_start(ap, fmt);
s = vaprintf(fmt, ap); /* this allocs a new string to append */
va_end(ap);
if(s) {
result = add_buffer(in, s, strlen(s));
free(s);
}
return result;
}
/* Curl_sendf() sends formated data to the server */
CURLcode Curl_sendf(curl_socket_t sockfd, struct connectdata *conn,
const char *fmt, ...)
{
struct SessionHandle *data = conn->data;
ssize_t bytes_written;
size_t write_len;
CURLcode res;
char *s;
char *sptr;
va_list ap;
va_start(ap, fmt);
s = vaprintf(fmt, ap); /* returns an allocated string */
va_end(ap);
if(!s)
return CURLE_OUT_OF_MEMORY; /* failure */
bytes_written=0;
write_len = strlen(s);
sptr = s;
while (1)
{
/* Write the buffer to the socket */
res = Curl_write(conn, sockfd, sptr, write_len, &bytes_written);
if(CURLE_OK != res)
break;
if(data->set.verbose)
Curl_debug(data, CURLINFO_DATA_OUT, sptr, bytes_written);
if((size_t)bytes_written != write_len)
{
/* if not all was written at once, we must advance the pointer, decrease
the size left and try again! */
write_len -= bytes_written;
sptr += bytes_written;
}
else
break;
}
free(s); /* free the output string */
return res;
}
qd_error_t qd_error_errno_impl(int errnum, const char *file, int line, const char *fmt, ...) {
if (errnum) {
ts.error_code = QD_ERROR_SYSTEM;
char buf[ERROR_MAX];
char *errstr = strerror_r(errno, buf, sizeof(buf));
char *begin = ts.error_message;
char *end = begin + ERROR_MAX;
va_list arglist;
va_start(arglist, fmt);
vaprintf(&begin, end, fmt, arglist);
va_end(arglist);
aprintf(&begin, end, ": %s", errstr);
qd_log_impl(log_source, QD_LOG_ERROR, file, line, "%s", qd_error_message());
return qd_error_code();
}
else
return qd_error_clear();
}
qd_error_t qd_error_impl(qd_error_t code, const char *file, int line, const char *fmt, ...) {
ts.error_code = code;
if (code) {
char *begin = ts.error_message;
char *end = begin + ERROR_MAX;
(void)aprintf;
const char* name = qd_error_name(code);
if (name)
aprintf(&begin, end, "%s: ", name);
else
aprintf(&begin, end, "%d: ", code);
va_list arglist;
va_start(arglist, fmt);
vaprintf(&begin, end, fmt, arglist);
va_end(arglist);
// NOTE: Use the file/line from the qd_error macro, not this line in error.c
qd_log_impl(log_source, QD_LOG_ERROR, file, line, "%s", qd_error_message());
return code;
}
else
qd_error_clear();
return 0;
}
/***********************************************************************
*
* Curl_pp_vsendf()
*
* Send the formatted string as a command to a pingpong server. Note that
* the string should not have any CRLF appended, as this function will
* append the necessary things itself.
*
* made to never block
*/
CURLcode Curl_pp_vsendf(struct pingpong *pp,
const char *fmt,
va_list args)
{
ssize_t bytes_written;
size_t write_len;
char *fmt_crlf;
char *s;
CURLcode result;
struct connectdata *conn = pp->conn;
struct Curl_easy *data;
#ifdef HAVE_GSSAPI
enum protection_level data_sec;
#endif
DEBUGASSERT(pp->sendleft == 0);
DEBUGASSERT(pp->sendsize == 0);
DEBUGASSERT(pp->sendthis == NULL);
if(!conn)
/* can't send without a connection! */
return CURLE_SEND_ERROR;
data = conn->data;
fmt_crlf = aprintf("%s\r\n", fmt); /* append a trailing CRLF */
if(!fmt_crlf)
return CURLE_OUT_OF_MEMORY;
s = vaprintf(fmt_crlf, args); /* trailing CRLF appended */
free(fmt_crlf);
if(!s)
return CURLE_OUT_OF_MEMORY;
bytes_written = 0;
write_len = strlen(s);
Curl_pp_init(pp);
result = Curl_convert_to_network(data, s, write_len);
/* Curl_convert_to_network calls failf if unsuccessful */
if(result) {
free(s);
return result;
}
#ifdef HAVE_GSSAPI
conn->data_prot = PROT_CMD;
#endif
result = Curl_write(conn, conn->sock[FIRSTSOCKET], s, write_len,
&bytes_written);
#ifdef HAVE_GSSAPI
data_sec = conn->data_prot;
DEBUGASSERT(data_sec > PROT_NONE && data_sec < PROT_LAST);
conn->data_prot = data_sec;
#endif
if(result) {
free(s);
return result;
}
if(conn->data->set.verbose)
Curl_debug(conn->data, CURLINFO_HEADER_OUT,
s, (size_t)bytes_written, conn);
if(bytes_written != (ssize_t)write_len) {
/* the whole chunk was not sent, keep it around and adjust sizes */
pp->sendthis = s;
pp->sendsize = write_len;
pp->sendleft = write_len - bytes_written;
}
else {
free(s);
pp->sendthis = NULL;
pp->sendleft = pp->sendsize = 0;
pp->response = Curl_now();
}
return CURLE_OK;
}
