1 files changed, 93 insertions, 0 deletions
diff --git a/Radio/HW/BladeRF/common/include/str_queue.h b/Radio/HW/BladeRF/common/include/str_queue.h
new file mode 100644
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+++ b/Radio/HW/BladeRF/common/include/str_queue.h
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+/**
+ * @file str_queue.h
+ *
+ * @brief Simple string queue
+ *
+ * This file is part of the bladeRF project:
+ *   http://www.github.com/nuand/bladeRF
+ *
+ * Copyright (c) 2014 Nuand LLC
+ *
+ * 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 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.
+ */
+#ifndef STR_QUEUE_H_
+#define STR_QUEUE_H_
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct str_queue_entry;
+
+struct str_queue {
+    struct str_queue_entry *head;
+    struct str_queue_entry *tail;
+};
+
+/**
+ * Allocate and initialize a string queue
+ *
+ * @param[in]   q   Queue to initialize
+ */
+void str_queue_init(struct str_queue *q);
+
+/**
+ * Deallocate all resources used by the specified string queue
+ *
+ * @param[in]   q   Queue to deinitialize
+ */
+void str_queue_deinit(struct str_queue *q);
+
+/** Deinitialization simply clears out the queue - same operation */
+#define str_queue_clear str_queue_deinit
+
+/**
+ * Add a string to the end of the provided string queue
+ *
+ * @param   q           String queue to append to
+ * @param   cmd_str     String to append. This string will be copied
+ *                      to a heap-allocated buffer.
+ *
+ * @return 0 on success, -1 on memory allocation failure
+ */
+int str_queue_enq(struct str_queue *q, const char *str);
+
+/**
+ * Remove a string from the front of the specified string queue.
+ *
+ * @param[in]   q       Queue to remove from
+ *
+ * @return Heap-allocated string removed from queue, or NULL if the queue is
+ *         empty. The caller is responsible for free()-ing the returned string.
+ */
+char * str_queue_deq(struct str_queue *q);
+
+/**
+ * @return true if the queue is empty
+ */
+bool str_queue_empty(struct str_queue *q);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+
+#endif