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-rw-r--r--src/wchar/wcscaseends.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/wchar/wcscaseends.c b/src/wchar/wcscaseends.c
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+/**
+ * slibc — Yet another C library
+ * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <wchar.h>
+
+
+
+/**
+ * Check whether a string ends with a specific string.
+ * This check is case insensitive.
+ *
+ * This is a slibc extension.
+ *
+ * @param string The string to inspect.
+ * @param desired The desired ending of the string.
+ * @return The `string`, where `desired` beings if
+ * `string` ends with `desired`, `NULL` otherwise.
+ */
+wchar_t* (wcscaseends)(const wchar_t* string, const wchar_t* desired)
+{
+ size_t n = wcslen(string);
+ size_t m = wcslen(desired);
+ if (n < m)
+ return NULL;
+ return wmemcasecmp(string + (n - m), desired, m) ? NULL : (string + n);
+}
+