Update contrib/libs/c-ares to 1.28.1

db71d0a3bd9ec3cf1e1ccb5a9cfac8abfd43fdb7

1 files changed, 66 insertions, 0 deletions

diff --git a/contrib/libs/c-ares/src/lib/ares_str.h b/contrib/libs/c-ares/src/lib/ares_str.h
new file mode 100644
index 0000000000..8d869073d8
--- /dev/null
+++ b/contrib/libs/c-ares/src/lib/ares_str.h
@@ -0,0 +1,66 @@
+/* MIT License
+ *
+ * Copyright (c) 1998 Massachusetts Institute of Technology
+ * Copyright (c) The c-ares project and its contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#ifndef __ARES_STR_H
+#define __ARES_STR_H
+
+#include "ares_setup.h"
+#include "ares.h"
+
+char         *ares_strdup(const char *s1);
+
+size_t        ares_strlen(const char *str);
+
+/*! Copy string from source to destination with destination buffer size
+ *  provided.  The destination is guaranteed to be null terminated, if the
+ *  provided buffer isn't large enough, only those bytes from the source that
+ *  will fit will be copied.
+ *
+ *  \param[out] dest       Destination buffer
+ *  \param[in]  src        Source to copy
+ *  \param[in]  dest_size  Size of destination buffer
+ *  \return String length.  Will be at most dest_size-1
+ */
+size_t        ares_strcpy(char *dest, const char *src, size_t dest_size);
+
+ares_bool_t   ares_str_isnum(const char *str);
+
+void          ares__str_ltrim(char *str);
+void          ares__str_rtrim(char *str);
+void          ares__str_trim(char *str);
+
+unsigned char ares__tolower(unsigned char c);
+ares_bool_t   ares__memeq_ci(const unsigned char *ptr, const unsigned char *val,
+                             size_t len);
+
+ares_bool_t   ares__isspace(int ch);
+ares_bool_t   ares__isprint(int ch);
+ares_bool_t   ares__is_hostnamech(int ch);
+
+ares_bool_t   ares__is_hostname(const char *str);
+
+
+#endif /* __ARES_STR_H */