CURLINFO_PRETRANSFER_TIME.3 2.4 KB

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  23. .TH CURLINFO_PRETRANSFER_TIME 3 "May 17, 2018" "libcurl 7.61.1" "curl_easy_getinfo options"
  24. .SH NAME
  25. CURLINFO_PRETRANSFER_TIME \- get the time until the file transfer start
  26. .SH SYNOPSIS
  27. #include <curl/curl.h>
  28. CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_PRETRANSFER_TIME, double *timep);
  29. .SH DESCRIPTION
  30. Pass a pointer to a double to receive the time, in seconds, it took from the
  31. start until the file transfer is just about to begin. This includes all
  32. pre-transfer commands and negotiations that are specific to the particular
  33. protocol(s) involved. It does \fInot\fP involve the sending of the protocol-
  34. specific request that triggers a transfer.
  35. See also the TIMES overview in the \fIcurl_easy_getinfo(3)\fP man page.
  36. .SH PROTOCOLS
  37. All
  38. .SH EXAMPLE
  39. .nf
  40. curl = curl_easy_init();
  41. if(curl) {
  42. double pretransfer;
  43. curl_easy_setopt(curl, CURLOPT_URL, url);
  44. res = curl_easy_perform(curl);
  45. if(CURLE_OK == res) {
  46. res = curl_easy_getinfo(curl, CURLINFO_PRETRANSFER_TIME, &pretransfer);
  47. if(CURLE_OK == res) {
  48. printf("Time: %.1f", pretransfer);
  49. }
  50. }
  51. /* always cleanup */
  52. curl_easy_cleanup(curl);
  53. }
  54. .fi
  55. .SH AVAILABILITY
  56. Added in 7.4.1
  57. .SH RETURN VALUE
  58. Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
  59. .SH "SEE ALSO"
  60. .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), " CURLINFO_PRETRANSFER_TIME_T "(3)"