CURLINFO_SIZE_DOWNLOAD.3 2.5 KB

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  25. .TH CURLINFO_SIZE_DOWNLOAD 3 "January 02, 2023" "libcurl 7.88.1" "curl_easy_getinfo options"
  26. .SH NAME
  27. CURLINFO_SIZE_DOWNLOAD \- get the number of downloaded bytes
  28. .SH SYNOPSIS
  29. .nf
  30. #include <curl/curl.h>
  31. CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_SIZE_DOWNLOAD, double *dlp);
  32. .fi
  33. .SH DESCRIPTION
  34. Pass a pointer to a double to receive the total amount of bytes that were
  35. downloaded. The amount is only for the latest transfer and will be reset
  36. again for each new transfer. This counts actual payload data, what's also
  37. commonly called body. All meta and header data are excluded and will not be
  38. counted in this number.
  39. \fICURLINFO_SIZE_DOWNLOAD_T(3)\fP is a newer replacement that returns a more
  40. sensible variable type.
  41. .SH PROTOCOLS
  42. All
  43. .SH EXAMPLE
  44. .nf
  45. CURL *curl = curl_easy_init();
  46. if(curl) {
  47. curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
  48. /* Perform the request */
  49. res = curl_easy_perform(curl);
  50. if(!res) {
  51. /* check the size */
  52. double dl;
  53. res = curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD, &dl);
  54. if(!res) {
  55. printf("Downloaded %.0f bytes\\n", cl);
  56. }
  57. }
  58. }
  59. .fi
  60. .SH AVAILABILITY
  61. Added in 7.4.1. Deprecated since 7.55.0.
  62. .SH RETURN VALUE
  63. Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
  64. .SH "SEE ALSO"
  65. .BR curl_easy_getinfo "(3), " curl_easy_setopt "(3), "
  66. .BR CURLINFO_SIZE_DOWNLOAD_T "(3), "
  67. .BR CURLINFO_SIZE_UPLOAD_T "(3), "