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Diffstat (limited to 'docs/libcurl/opts/CURLINFO_OS_ERRNO.md')
-rw-r--r-- | docs/libcurl/opts/CURLINFO_OS_ERRNO.md | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/docs/libcurl/opts/CURLINFO_OS_ERRNO.md b/docs/libcurl/opts/CURLINFO_OS_ERRNO.md new file mode 100644 index 000000000..3fb69b43c --- /dev/null +++ b/docs/libcurl/opts/CURLINFO_OS_ERRNO.md @@ -0,0 +1,62 @@ +--- +c: Copyright (C) Daniel Stenberg, <daniel.se>, et al. +SPDX-License-Identifier: curl +Title: CURLINFO_OS_ERRNO +Section: 3 +Source: libcurl +See-also: + - curl_easy_getinfo (3) + - curl_easy_setopt (3) +--- + +# NAME + +CURLINFO_OS_ERRNO - get errno number from last connect failure + +# SYNOPSIS + +~~~c +#include <curl/curl.h> + +CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_OS_ERRNO, long *errnop); +~~~ + +# DESCRIPTION + +Pass a pointer to a long to receive the errno variable from a connect failure. +Note that the value is only set on failure, it is not reset upon a successful +operation. The number is OS and system specific. + +# PROTOCOLS + +All + +# EXAMPLE + +~~~c +int main(void) +{ + CURL *curl = curl_easy_init(); + if(curl) { + CURLcode res; + curl_easy_setopt(curl, CURLOPT_URL, "https://example.com"); + res = curl_easy_perform(curl); + if(res != CURLE_OK) { + long error; + res = curl_easy_getinfo(curl, CURLINFO_OS_ERRNO, &error); + if(res && error) { + printf("Errno: %ld\n", error); + } + } + curl_easy_cleanup(curl); + } +} +~~~ + +# AVAILABILITY + +Added in 7.12.2 + +# RETURN VALUE + +Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not. |