Milestone 5: deliver embedded RDP sessions and lifecycle hardening

third_party/FreeRDP/winpr/libwinpr/utils/strlst.c

@@ -0,0 +1,74 @@
+/*
+ * String List Utils
+ *
+ * Copyright 2018 Pascal Bourguignon <pjb@informatimago.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <winpr/config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <winpr/strlst.h>
+#include <winpr/string.h>
+
+void string_list_free(char** string_list)
+{
+	for (size_t i = 0; string_list[i]; i++)
+	{
+		free(string_list[i]);
+	}
+
+	free((void*)string_list);
+}
+
+int string_list_length(const char* const* string_list)
+{
+	int i = 0;
+	for (; string_list[i]; i++)
+		;
+
+	return i;
+}
+
+char** string_list_copy(const char* const* string_list)
+{
+	int length = string_list_length(string_list);
+	char** copy = (char**)calloc(WINPR_ASSERTING_INT_CAST(size_t, length) + 1, sizeof(char*));
+
+	if (!copy)
+	{
+		return nullptr;
+	}
+
+	for (int i = 0; i < length; i++)
+	{
+		copy[i] = _strdup(string_list[i]);
+	}
+
+	copy[length] = nullptr;
+	return copy;
+}
+
+void string_list_print(FILE* out, const char* const* string_list)
+{
+	for (int j = 0; string_list[j]; j++)
+	{
+		(void)fprintf(out, "[%2d]: %s\n", j, string_list[j]);
+	}
+
+	(void)fflush(out);
+}