初始化内容

third/libcurl/lib/curlx/snprintf.c

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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 "curlx/snprintf.h"
+
+#ifdef _WIN32
+#include <stdarg.h>
+
+/* Simplified wrapper for the Windows platform to use the correct symbol and
+   ensuring null-termination. Omit returning a length to keep it simple. */
+void curlx_win32_snprintf(char *buf, size_t maxlen, const char *fmt, ...)
+{
+  va_list ap;
+  if(!maxlen)
+    return;
+  va_start(ap, fmt);
+#ifdef CURL_HAVE_DIAG
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+#endif
+  /* !checksrc! disable BANNEDFUNC 1 */
+  (void)vsnprintf(buf, maxlen, fmt, ap);
+#ifdef CURL_HAVE_DIAG
+#pragma GCC diagnostic pop
+#endif
+  buf[maxlen - 1] = 0;
+  va_end(ap);
+}
+#endif /* _WIN32 */