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CURLMOPT_MAX_CONCURRENT_STREAMS: make sure the set value is within range

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... or use the default value.

Also clarify the documentation language somewhat.

Closes #12382
This commit is contained in:
Daniel Stenberg 2023-11-22 10:54:40 +01:00
parent 2d06eebf28
commit 9a8bb20d48
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GPG Key ID: 5CC908FDB71E12C2
2 changed files with 4 additions and 4 deletions
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4
docs/libcurl/opts/CURLMOPT_MAX_CONCURRENT_STREAMS.3
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@ -34,8 +34,8 @@ CURLMcode curl_multi_setopt(CURLM *handle, CURLMOPT_MAX_CONCURRENT_STREAMS,
.fi
.SH DESCRIPTION
Pass a long indicating the \fBmax\fP. The set number is used as the maximum
number of concurrent streams for a connections that libcurl should support on
connections done using HTTP/2.
number of concurrent streams libcurl should support on connections done using
HTTP/2 or HTTP/3.
Valid values range from 1 to 2147483647 (2^31 - 1) and defaults to 100. The
value passed here would be honored based on other system resources properties.

4
lib/multi.c
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@ -3293,9 +3293,9 @@ CURLMcode curl_multi_setopt(struct Curl_multi *multi,
case CURLMOPT_MAX_CONCURRENT_STREAMS:
{
long streams = va_arg(param, long);
if(streams < 1)
if((streams < 1) || (streams > INT_MAX))
streams = 100;
multi->max_concurrent_streams = curlx_sltoui(streams);
multi->max_concurrent_streams = (unsigned int)streams;
}
break;
default: