66 lines
1.1 KiB
Markdown
66 lines
1.1 KiB
Markdown
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---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Title: CURLOPT_STDERR
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Section: 3
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Source: libcurl
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See-also:
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- CURLOPT_DEBUGFUNCTION (3)
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- CURLOPT_NOPROGRESS (3)
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- CURLOPT_VERBOSE (3)
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---
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# NAME
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CURLOPT_STDERR - redirect stderr to another stream
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# SYNOPSIS
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~~~c
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#include <curl/curl.h>
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CURLcode curl_easy_setopt(CURL *handle, CURLOPT_STDERR, FILE *stream);
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~~~
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# DESCRIPTION
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Pass a FILE * as parameter. Tell libcurl to use this *stream* instead of
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stderr when showing the progress meter and displaying CURLOPT_VERBOSE(3)
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data.
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If you are using libcurl as a Windows DLL, this option causes an exception and
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a crash in the library since it cannot access a FILE * passed on from the
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application. A work-around is to instead use CURLOPT_DEBUGFUNCTION(3).
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# DEFAULT
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stderr
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# PROTOCOLS
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All
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# EXAMPLE
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~~~c
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int main(void)
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{
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CURL *curl = curl_easy_init();
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FILE *filep = fopen("dump", "wb");
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if(curl) {
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curl_easy_setopt(curl, CURLOPT_URL, "https://example.com");
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curl_easy_setopt(curl, CURLOPT_STDERR, filep);
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curl_easy_perform(curl);
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}
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}
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~~~
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# AVAILABILITY
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Always
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# RETURN VALUE
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Returns CURLE_OK
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