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44 lines
1.1 KiB
Groff
44 lines
1.1 KiB
Groff
.\" generated by cd2nroff 0.1 from CURLINFO_OS_ERRNO.md
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.TH CURLINFO_OS_ERRNO 3 libcurl
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.SH NAME
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CURLINFO_OS_ERRNO \- get errno number from last connect failure
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.SH SYNOPSIS
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.nf
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#include <curl/curl.h>
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CURLcode curl_easy_getinfo(CURL *handle, CURLINFO_OS_ERRNO, long *errnop);
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.fi
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.SH DESCRIPTION
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Pass a pointer to a long to receive the errno variable from a connect failure.
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Note that the value is only set on failure, it is not reset upon a successful
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operation. The number is OS and system specific.
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.SH PROTOCOLS
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All
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.SH EXAMPLE
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.nf
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int main(void)
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{
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CURL *curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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res = curl_easy_perform(curl);
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if(res != CURLE_OK) {
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long error;
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res = curl_easy_getinfo(curl, CURLINFO_OS_ERRNO, &error);
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if(res && error) {
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printf("Errno: %ld\\n", error);
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}
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}
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curl_easy_cleanup(curl);
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}
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}
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.fi
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.SH AVAILABILITY
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Added in 7.12.2
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.SH RETURN VALUE
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Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
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.SH SEE ALSO
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.BR curl_easy_getinfo (3),
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.BR curl_easy_setopt (3)
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