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jak-project/third-party/curl/lib/version.c
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Alexander J. Semenuk 5d5e35fb9b fix: Windows toolchain compatibility (curl 8.21 re-vendor, endless reconfigure loop) (#4355) 
## Problem

Windows builds break with a current local toolchain (Scoop LLVM 22.1.8,
CMake 4.4.0, VS 2026), in two independent ways:

1. The build stops at curl's deliberate guard: `#error "no non-blocking
method was found/used/set"` in `third-party/curl/lib/nonblock.c`.
2. From the second configure onward, `cmake --build` re-runs CMake in an
endless loop (observed 42 consecutive reconfigure cycles in a single
build). Likely the same mechanism behind the "endlessly building" VS
2026 note in `docs/setup/dev/vs.md`.

## Root cause

1. `third-party/curl/CMake/CurlTests.c` passes `int *` to
`ioctlsocket()`, whose third parameter is `u_long *`. Clang 22 promotes
`-Wincompatible-pointer-types` to a hard error in C, so the
`HAVE_IOCTLSOCKET_FIONBIO` try_compile silently fails and
`curl_config.h` never defines it. Upstream CI does not see this because
the windows-2022 runner image ships an older LLVM. GCC 14 promotes the
same warning to a hard error, which is very likely the `CurlTests.c.obj`
failure reported from MSYS2 in open-goal/jak-project#3551. Upstream curl
hit the identical problem with GCC 14 and fixed the probe in curl 8.8.0
(curl/curl#13578).
2. The root CMakeLists copies the build tree's `compile_commands.json`
into `<src>/build/` for clangd using `configure_file()`, which registers
its input as a configure dependency. CMake rewrites
`compile_commands.json` late in every generation, after
`CTestTestfile.cmake` and `cmake_install.cmake` (outputs of the same
Ninja regen rule), so once the dependency is registered the rule is
deterministically dirty and every `ninja` invocation re-runs CMake. A
pristine first configure is safe (the file does not exist yet, so the
`if(EXISTS ...)` guard skips the copy), which is why the loop looks
machine- or IDE-specific.

## Fix

1. Per review, re-vendor `third-party/curl` at the `curl-8_21_0` tag
(previously `curl-8_3_0`), which carries the upstream probe fix plus two
years of upstream development; `vendor.yaml` updated to match.
Adjustments the version jump forced:
- curl 8.15 removed the native macOS Secure Transport backend
(`CURL_USE_SECTRANSP`), so macOS now builds curl against OpenSSL like
Linux. The two macOS workflows install Homebrew `openssl@3` and export
`OPENSSL_ROOT_DIR` (keg-only), and the macOS setup docs gained the same
two lines.
- `CURL_BROTLI` / `CURL_ZSTD` switched to AUTO-detection in curl 8.10;
pinned OFF to keep the previous no-compression behavior and avoid
silently linking whatever the CI images happen to have.
- curl's new top-level `BUILD_EXAMPLES` cache option (default ON) leaked
into discord-rpc's identically named option and broke configure at a
nonexistent `examples/send-presence` directory; pinned OFF ahead of the
third-party subdirectories.

The diff is dominated by the mechanical tag-tree swap under
`third-party/curl` (linguist-vendored, collapsed in review). The
hand-written changes are `CMakeLists.txt`, the two macOS workflows,
`docs/setup/system/macos.md`, and `vendor.yaml`.
2. Swap `configure_file()` for `file(COPY ...)`: the same clangd copy
with no configure dependency registered. (`file(COPY_FILE ...
ONLY_IF_DIFFERENT)` would be cleaner still but requires CMake 3.21,
above the declared `cmake_minimum_required(VERSION 3.10)`.)

## Test plan

- [x] Fresh `cmake --preset Release-windows-clang` (LLVM 22, no cache
seeding) completes and logs `Enabled SSL backends: Schannel`; the
FIONBIO probe passes without the previous `#error`
- [x] Full Windows Release build from scratch in the branch worktree
(all 1422 targets)
- [x] goalc-test suite: 1509 passed, 0 failed
- [x] Second consecutive configure with `compile_commands.json` present:
the regen rule in `build.ninja` has no `compile_commands.json` input;
`<src>/build/compile_commands.json` is still refreshed for clangd
- [x] Repeated `ninja` invocations after a full build no longer re-run
CMake
- [x] macOS Intel and ARM CI green (first exercise of the OpenSSL
backend switch)

---

I work off a self-hosted forge, so this GitHub account is quiet; the
configure logs and ninja dirty-node traces from the investigation are
available if anyone wants the raw data.

(AI-assisted)
2026-07-27 19:19:18 -04:00

680 lines
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#ifdef USE_NGHTTP2
#include <nghttp2/nghttp2.h>
#endif
#include "urldata.h"
#include "vtls/vtls.h"
#include "http2.h"
#include "vssh/ssh.h"
#include "vquic/vquic.h"
#include "easy_lock.h"
#ifdef USE_ARES
# include <ares.h>
#endif
#ifdef USE_LIBIDN2
#include <idn2.h>
#endif
#ifdef USE_LIBPSL
#include <libpsl.h>
#endif
#ifdef HAVE_LIBZ
#include <zlib.h>
#endif
#ifdef HAVE_BROTLI
#ifdef CURL_HAVE_DIAG
/* Ignore -Wvla warnings in brotli headers */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wvla"
#endif
#include <brotli/decode.h>
#ifdef CURL_HAVE_DIAG
#pragma GCC diagnostic pop
#endif
#endif
#ifdef HAVE_ZSTD
#include <zstd.h>
#endif
#ifdef USE_GSASL
#include <gsasl.h>
#endif
#ifndef CURL_DISABLE_LDAP
#include "curl_ldap.h"
#endif
#ifdef HAVE_BROTLI
static void brotli_version(char *buf, size_t bufsz)
{
uint32_t brotli_version = BrotliDecoderVersion();
unsigned int major = brotli_version >> 24;
unsigned int minor = (brotli_version & 0x00FFFFFF) >> 12;
unsigned int patch = brotli_version & 0x00000FFF;
(void)curl_msnprintf(buf, bufsz, "brotli/%u.%u.%u", major, minor, patch);
}
#endif
#ifdef HAVE_ZSTD
static void zstd_version(char *buf, size_t bufsz)
{
unsigned int version = ZSTD_versionNumber();
unsigned int major = version / (100 * 100);
unsigned int minor = (version - (major * 100 * 100)) / 100;
unsigned int patch = version - (major * 100 * 100) - (minor * 100);
(void)curl_msnprintf(buf, bufsz, "zstd/%u.%u.%u", major, minor, patch);
}
#endif
#ifdef USE_LIBPSL
static void psl_version(char *buf, size_t bufsz)
{
#if defined(PSL_VERSION_MAJOR) && (PSL_VERSION_MAJOR > 0 || \
PSL_VERSION_MINOR >= 11)
int num = psl_check_version_number(0);
curl_msnprintf(buf, bufsz, "libpsl/%d.%d.%d",
num >> 16, (num >> 8) & 0xff, num & 0xff);
#else
curl_msnprintf(buf, bufsz, "libpsl/%s", psl_get_version());
#endif
}
#endif
#if defined(USE_LIBIDN2) || defined(USE_WIN32_IDN) || defined(USE_APPLE_IDN)
#define USE_IDN
#endif
#ifdef USE_IDN
static void idn_version(char *buf, size_t bufsz)
{
#ifdef USE_LIBIDN2
curl_msnprintf(buf, bufsz, "libidn2/%s", idn2_check_version(NULL));
#elif defined(USE_WIN32_IDN)
curl_msnprintf(buf, bufsz, "WinIDN");
#elif defined(USE_APPLE_IDN)
curl_msnprintf(buf, bufsz, "AppleIDN");
#endif
}
#endif
/*
* curl_version() returns a pointer to a static buffer.
*
* It is implemented to work multi-threaded by making sure repeated invokes
* generate the exact same string and never write any temporary data like
* zeros in the data.
*/
#define VERSION_PARTS 16 /* number of substrings we can concatenate */
char *curl_version(void)
{
static char out[300];
char *outp;
size_t outlen;
const char *src[VERSION_PARTS];
#ifdef USE_SSL
char ssl_version[200];
#endif
#ifdef HAVE_LIBZ
char z_version[30];
#endif
#ifdef HAVE_BROTLI
char br_version[30];
#endif
#ifdef HAVE_ZSTD
char zstd_ver[30];
#endif
#ifdef USE_ARES
char cares_version[30];
#endif
#ifdef USE_IDN
char idn_ver[30];
#endif
#ifdef USE_LIBPSL
char psl_ver[30];
#endif
#ifdef USE_SSH
char ssh_version[30];
#endif
#if !defined(CURL_DISABLE_HTTP) && defined(USE_NGHTTP2)
char h2_version[30];
#endif
#if !defined(CURL_DISABLE_HTTP) && defined(USE_HTTP3)
char h3_version[30];
#endif
#ifdef USE_GSASL
char gsasl_buf[30];
#endif
#ifdef HAVE_GSSAPI
char gss_buf[40];
#endif
#ifndef CURL_DISABLE_LDAP
char ldap_buf[30];
#endif
int i = 0;
int j;
#ifdef DEBUGBUILD
/* Override version string when environment variable CURL_VERSION is set */
const char *debugversion = getenv("CURL_VERSION");
if(debugversion) {
curl_msnprintf(out, sizeof(out), "%s", debugversion);
return out;
}
#endif
src[i++] = LIBCURL_NAME "/" LIBCURL_VERSION;
#ifdef USE_SSL
Curl_ssl_version(ssl_version, sizeof(ssl_version));
src[i++] = ssl_version;
#endif
#ifdef HAVE_LIBZ
curl_msnprintf(z_version, sizeof(z_version), "zlib/%s", zlibVersion());
src[i++] = z_version;
#endif
#ifdef HAVE_BROTLI
brotli_version(br_version, sizeof(br_version));
src[i++] = br_version;
#endif
#ifdef HAVE_ZSTD
zstd_version(zstd_ver, sizeof(zstd_ver));
src[i++] = zstd_ver;
#endif
#ifdef USE_ARES
curl_msnprintf(cares_version, sizeof(cares_version),
"c-ares/%s", ares_version(NULL));
src[i++] = cares_version;
#endif
#ifdef USE_IDN
idn_version(idn_ver, sizeof(idn_ver));
src[i++] = idn_ver;
#endif
#ifdef USE_LIBPSL
psl_version(psl_ver, sizeof(psl_ver));
src[i++] = psl_ver;
#endif
#ifdef USE_SSH
Curl_ssh_version(ssh_version, sizeof(ssh_version));
src[i++] = ssh_version;
#endif
#if !defined(CURL_DISABLE_HTTP) && defined(USE_NGHTTP2)
Curl_http2_ver(h2_version, sizeof(h2_version));
src[i++] = h2_version;
#endif
#if !defined(CURL_DISABLE_HTTP) && defined(USE_HTTP3)
Curl_quic_ver(h3_version, sizeof(h3_version));
src[i++] = h3_version;
#endif
#ifdef USE_GSASL
curl_msnprintf(gsasl_buf, sizeof(gsasl_buf), "libgsasl/%s",
gsasl_check_version(NULL));
src[i++] = gsasl_buf;
#endif
#ifdef HAVE_GSSAPI
#ifdef HAVE_GSSGNU
curl_msnprintf(gss_buf, sizeof(gss_buf), "libgss/%s", GSS_VERSION);
#elif defined(CURL_KRB5_VERSION)
curl_msnprintf(gss_buf, sizeof(gss_buf), "mit-krb5/%s", CURL_KRB5_VERSION);
#else
curl_msnprintf(gss_buf, sizeof(gss_buf), "mit-krb5");
#endif
src[i++] = gss_buf;
#endif /* HAVE_GSSAPI */
#ifndef CURL_DISABLE_LDAP
Curl_ldap_version(ldap_buf, sizeof(ldap_buf));
src[i++] = ldap_buf;
#endif
DEBUGASSERT(i <= VERSION_PARTS);
outp = &out[0];
outlen = sizeof(out);
for(j = 0; j < i; j++) {
size_t n = strlen(src[j]);
/* we need room for a space, the string and the final zero */
if(outlen <= (n + 2))
break;
if(j) {
/* prepend a space if not the first */
*outp++ = ' ';
outlen--;
}
memcpy(outp, src[j], n);
outp += n;
outlen -= n;
}
*outp = 0;
return out;
}
/* data for curl_version_info
Keep the list sorted alphabetically. It is also written so that each
protocol line has its own #if line to make things easier on the eye.
*/
static const char * const supported_protocols[] = {
#ifndef CURL_DISABLE_DICT
"dict",
#endif
#ifndef CURL_DISABLE_FILE
"file",
#endif
#ifndef CURL_DISABLE_FTP
"ftp",
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_FTP)
"ftps",
#endif
#ifndef CURL_DISABLE_GOPHER
"gopher",
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_GOPHER)
"gophers",
#endif
#ifndef CURL_DISABLE_HTTP
"http",
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_HTTP)
"https",
#endif
#ifndef CURL_DISABLE_IMAP
"imap",
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_IMAP)
"imaps",
#endif
#ifndef CURL_DISABLE_LDAP
"ldap",
#if !defined(CURL_DISABLE_LDAPS) && \
((defined(USE_OPENLDAP) && defined(USE_SSL)) || \
(!defined(USE_OPENLDAP) && defined(HAVE_LDAP_SSL)))
"ldaps",
#endif
#endif
#ifndef CURL_DISABLE_MQTT
"mqtt",
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_MQTT)
"mqtts",
#endif
#ifndef CURL_DISABLE_POP3
"pop3",
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_POP3)
"pop3s",
#endif
#ifndef CURL_DISABLE_RTSP
"rtsp",
#endif
#ifdef USE_SSH
"scp",
"sftp",
#endif
#if defined(CURL_ENABLE_SMB) && defined(USE_CURL_NTLM_CORE)
"smb",
# ifdef USE_SSL
"smbs",
# endif
#endif
#ifndef CURL_DISABLE_SMTP
"smtp",
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_SMTP)
"smtps",
#endif
#ifndef CURL_DISABLE_TELNET
"telnet",
#endif
#ifndef CURL_DISABLE_TFTP
"tftp",
#endif
#ifndef CURL_DISABLE_HTTP
/* WebSocket support relies on HTTP */
#ifndef CURL_DISABLE_WEBSOCKETS
"ws",
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_WEBSOCKETS)
"wss",
#endif
#endif
NULL
};
/*
* Feature presence runtime check functions.
*
* Warning: the value returned by these should not change between
* curl_global_init() and curl_global_cleanup() calls.
*/
#if defined(USE_LIBIDN2) || defined(USE_WIN32_IDN) || defined(USE_APPLE_IDN)
static int idn_present(curl_version_info_data *info)
{
#if defined(USE_WIN32_IDN) || defined(USE_APPLE_IDN)
(void)info;
return TRUE;
#else
return !!info->libidn;
#endif
}
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_PROXY) && \
!defined(CURL_DISABLE_HTTP)
static int https_proxy_present(curl_version_info_data *info)
{
(void)info;
return Curl_ssl_supports(NULL, SSLSUPP_HTTPS_PROXY);
}
#endif
#if defined(USE_SSL) && defined(USE_ECH)
static int ech_present(curl_version_info_data *info)
{
(void)info;
return Curl_ssl_supports(NULL, SSLSUPP_ECH);
}
#endif
/*
* Features table.
*
* Keep the features alphabetically sorted.
* Use FEATURE() macro to define an entry: this allows documentation check.
*/
#define FEATURE(name, present, bitmask) { (name), (present), (bitmask) }
struct feat {
const char *name;
int (*present)(curl_version_info_data *info);
int bitmask;
};
static const struct feat features_table[] = {
#ifndef CURL_DISABLE_ALTSVC
FEATURE("alt-svc", NULL, CURL_VERSION_ALTSVC),
#endif
#if defined(USE_ARES) && defined(USE_RESOLV_THREADED) && defined(USE_HTTPSRR)
FEATURE("asyn-rr", NULL, 0),
#endif
#ifdef CURLRES_ASYNCH
FEATURE("AsynchDNS", NULL, CURL_VERSION_ASYNCHDNS),
#endif
#ifdef HAVE_BROTLI
FEATURE("brotli", NULL, CURL_VERSION_BROTLI),
#endif
#ifdef DEBUGBUILD
FEATURE("Debug", NULL, CURL_VERSION_DEBUG),
#endif
#if defined(USE_SSL) && defined(USE_ECH)
FEATURE("ECH", ech_present, 0),
#ifndef USE_HTTPSRR
#error "ECH enabled but not HTTPSRR, must be a config error"
#endif
#endif
#ifdef USE_GSASL
FEATURE("gsasl", NULL, CURL_VERSION_GSASL),
#endif
#ifdef HAVE_GSSAPI
FEATURE("GSS-API", NULL, CURL_VERSION_GSSAPI),
#endif
#ifndef CURL_DISABLE_HSTS
FEATURE("HSTS", NULL, CURL_VERSION_HSTS),
#endif
#if !defined(CURL_DISABLE_HTTP) && defined(USE_NGHTTP2)
FEATURE("HTTP2", NULL, CURL_VERSION_HTTP2),
#endif
#if !defined(CURL_DISABLE_HTTP) && defined(USE_HTTP3)
FEATURE("HTTP3", NULL, CURL_VERSION_HTTP3),
#endif
#if defined(USE_SSL) && !defined(CURL_DISABLE_PROXY) && \
!defined(CURL_DISABLE_HTTP)
FEATURE("HTTPS-proxy", https_proxy_present, CURL_VERSION_HTTPS_PROXY),
#endif
#ifdef USE_HTTPSRR
FEATURE("HTTPSRR", NULL, 0),
#endif
#if defined(USE_LIBIDN2) || defined(USE_WIN32_IDN) || defined(USE_APPLE_IDN)
FEATURE("IDN", idn_present, CURL_VERSION_IDN),
#endif
#ifdef USE_IPV6
FEATURE("IPv6", NULL, CURL_VERSION_IPV6),
#endif
#ifdef USE_KERBEROS5
FEATURE("Kerberos", NULL, CURL_VERSION_KERBEROS5),
#endif
#if (SIZEOF_CURL_OFF_T > 4) && ((SIZEOF_OFF_T > 4) || defined(_WIN32))
FEATURE("Largefile", NULL, CURL_VERSION_LARGEFILE),
#endif
#ifdef HAVE_LIBZ
FEATURE("libz", NULL, CURL_VERSION_LIBZ),
#endif
#ifdef CURL_WITH_MULTI_SSL
FEATURE("MultiSSL", NULL, CURL_VERSION_MULTI_SSL),
#endif
#ifdef USE_NTLM
FEATURE("NTLM", NULL, CURL_VERSION_NTLM),
#endif
#ifdef USE_PROXY_HTTP3
FEATURE("proxy-HTTP3", NULL, 0),
#endif
#ifdef USE_LIBPSL
FEATURE("PSL", NULL, CURL_VERSION_PSL),
#endif
#ifdef USE_SSL
#ifdef USE_APPLE_SECTRUST
FEATURE("AppleSecTrust", NULL, 0),
#elif defined(CURL_CA_NATIVE)
FEATURE("NativeCA", NULL, 0),
#endif
#endif /* USE_SSL */
#ifdef USE_SPNEGO
FEATURE("SPNEGO", NULL, CURL_VERSION_SPNEGO),
#endif
#ifdef USE_SSL
FEATURE("SSL", NULL, CURL_VERSION_SSL),
#endif
#ifdef USE_SSLS_EXPORT
FEATURE("SSLS-EXPORT", NULL, 0),
#endif
#ifdef USE_WINDOWS_SSPI
FEATURE("SSPI", NULL, CURL_VERSION_SSPI),
#endif
#ifdef GLOBAL_INIT_IS_THREADSAFE
FEATURE("threadsafe", NULL, CURL_VERSION_THREADSAFE),
#endif
#ifdef USE_TLS_SRP
FEATURE("TLS-SRP", NULL, CURL_VERSION_TLSAUTH_SRP),
#endif
#if defined(_WIN32) && defined(UNICODE) && defined(_UNICODE)
FEATURE("Unicode", NULL, CURL_VERSION_UNICODE),
#endif
#ifdef USE_UNIX_SOCKETS
FEATURE("UnixSockets", NULL, CURL_VERSION_UNIX_SOCKETS),
#endif
#ifdef HAVE_ZSTD
FEATURE("zstd", NULL, CURL_VERSION_ZSTD),
#endif
{NULL, NULL, 0}
};
static const char *feature_names[CURL_ARRAYSIZE(features_table)] = { NULL };
static curl_version_info_data version_info = {
CURLVERSION_NOW,
LIBCURL_VERSION,
LIBCURL_VERSION_NUM,
CURL_OS, /* as found by configure or set by hand at build-time */
0, /* features bitmask is built at runtime */
NULL, /* ssl_version */
0, /* ssl_version_num, this is kept at zero */
NULL, /* zlib_version */
supported_protocols,
NULL, /* c-ares version */
0, /* c-ares version numerical */
NULL, /* libidn version */
0, /* iconv version */
NULL, /* ssh lib version */
0, /* brotli_ver_num */
NULL, /* brotli version */
0, /* nghttp2 version number */
NULL, /* nghttp2 version string */
NULL, /* quic library string */
#ifdef CURL_CA_BUNDLE
CURL_CA_BUNDLE, /* cainfo */
#else
NULL,
#endif
#ifdef CURL_CA_PATH
CURL_CA_PATH, /* capath */
#else
NULL,
#endif
0, /* zstd_ver_num */
NULL, /* zstd version */
NULL, /* Hyper version */
NULL, /* gsasl version */
feature_names,
NULL /* rtmp version */
};
curl_version_info_data *curl_version_info(CURLversion stamp)
{
size_t n;
const struct feat *p;
int features = 0;
#ifdef USE_SSH
static char ssh_buf[80]; /* 'ssh_buffer' clashes with libssh/libssh.h */
#endif
#ifdef USE_SSL
#ifdef CURL_WITH_MULTI_SSL
static char ssl_buffer[200];
#else
static char ssl_buffer[80];
#endif
#endif
#ifdef HAVE_BROTLI
static char brotli_buffer[80];
#endif
#ifdef HAVE_ZSTD
static char zstd_buffer[80];
#endif
(void)stamp;
#ifdef USE_SSL
Curl_ssl_version(ssl_buffer, sizeof(ssl_buffer));
version_info.ssl_version = ssl_buffer;
#endif
#ifdef HAVE_LIBZ
version_info.libz_version = zlibVersion();
/* libz left NULL if non-existing */
#endif
#ifdef USE_ARES
{
int aresnum;
version_info.ares = ares_version(&aresnum);
version_info.ares_num = aresnum;
}
#endif
#ifdef USE_LIBIDN2
/* This returns a version string if we use the given version or later,
otherwise it returns NULL */
version_info.libidn = idn2_check_version(IDN2_VERSION);
#endif
#ifdef USE_SSH
Curl_ssh_version(ssh_buf, sizeof(ssh_buf));
version_info.libssh_version = ssh_buf;
#endif
#ifdef HAVE_BROTLI
version_info.brotli_ver_num = BrotliDecoderVersion();
brotli_version(brotli_buffer, sizeof(brotli_buffer));
version_info.brotli_version = brotli_buffer;
#endif
#ifdef HAVE_ZSTD
version_info.zstd_ver_num = ZSTD_versionNumber();
zstd_version(zstd_buffer, sizeof(zstd_buffer));
version_info.zstd_version = zstd_buffer;
#endif
#ifdef USE_NGHTTP2
{
nghttp2_info *h2 = nghttp2_version(0);
version_info.nghttp2_ver_num = (unsigned int)h2->version_num;
version_info.nghttp2_version = h2->version_str;
}
#endif
#if !defined(CURL_DISABLE_HTTP) && defined(USE_HTTP3)
{
static char quicbuffer[80];
Curl_quic_ver(quicbuffer, sizeof(quicbuffer));
version_info.quic_version = quicbuffer;
}
#endif
#ifdef USE_GSASL
{
version_info.gsasl_version = gsasl_check_version(NULL);
}
#endif
/* Get available features, build bitmask and names array. */
n = 0;
for(p = features_table; p->name; p++)
if(!p->present || p->present(&version_info)) {
features |= p->bitmask;
feature_names[n++] = p->name;
}
#ifdef DEBUGBUILD
features |= CURL_VERSION_CURLDEBUG; /* for compatibility */
#endif
feature_names[n] = NULL; /* Terminate array. */
version_info.features = features;
return &version_info;
}
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