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CURLOPT_RANDOM_FILE.3

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  8. .\" * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
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  10. .\" * This software is licensed as described in the file COPYING, which
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  12. .\" * are also available at https://curl.se/docs/copyright.html.
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    23. 

  23. .TH CURLOPT_RANDOM_FILE 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
    24. 

  24. .SH NAME
    25. 

  25. CURLOPT_RANDOM_FILE \- file to read random data from
    26. 

  26. .SH SYNOPSIS
    27. 

  27. .nf
    28. 

  28. #include <curl/curl.h>
    29. 

  29. 

  30. CURLcode curl_easy_setopt(CURL *handle, CURLOPT_RANDOM_FILE, char *path);
    31. 

  31. .fi
    32. 

  32. .SH DESCRIPTION
    33. 

  33. Deprecated option. It serves no purpose anymore.
    34. 

  34. 

  35. Pass a char * to a null-terminated file name. The file might be used to read
    36. 

  36. from to seed the random engine for SSL and more.
    37. 

  37. 

  38. The application does not have to keep the string around after setting this
    39. 

  39. option.
    40. 

  40. .SH DEFAULT
    41. 

  41. NULL, not used
    42. 

  42. .SH PROTOCOLS
    43. 

  43. All
    44. 

  44. .SH EXAMPLE
    45. 

  45. .nf
    46. 

  46. CURL *curl = curl_easy_init();
    47. 

  47. if(curl) {
    48. 

  48.   curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
    49. 

  49.   curl_easy_setopt(curl, CURLOPT_RANDOM_FILE, "junk.txt");
    50. 

  50.   ret = curl_easy_perform(curl);
    51. 

  51.   curl_easy_cleanup(curl);
    52. 

  52. }
    53. 

  53. .fi
    54. 

  54. .SH AVAILABILITY
    55. 

  55. If built with TLS enabled. Only the OpenSSL backend will use this, and only
    56. 

  56. with OpenSSL versions before 1.1.0.
    57. 

  57. 

  58. This option was deprecated in 7.84.0.
    59. 

  59. .SH RETURN VALUE
    60. 

  60. Returns CURLE_OK on success or
    61. 

  61. CURLE_OUT_OF_MEMORY if there was insufficient heap space.
    62. 

  62. .SH "SEE ALSO"
    63. 

  63. .BR CURLOPT_EGDSOCKET "(3), "
    64.