From 9eaa07a4b141bc80a46cb7ab2dc94048f126fa8c Mon Sep 17 00:00:00 2001
From: William McKinnon <contact@willmckinnon.com>
Date: Tue, 11 Jul 2023 00:44:26 -0400
Subject: added more scene dependencies, added tinywl

---
 include/util/array.h | 18 ++++++++++++++++++
 include/util/env.h   | 11 +++++++++++
 include/util/time.h  | 27 +++++++++++++++++++++++++++
 3 files changed, 56 insertions(+)
 create mode 100644 include/util/array.h
 create mode 100644 include/util/env.h
 create mode 100644 include/util/time.h

(limited to 'include/util')

diff --git a/include/util/array.h b/include/util/array.h
new file mode 100644
index 0000000..a51bdb6
--- /dev/null
+++ b/include/util/array.h
@@ -0,0 +1,18 @@
+#ifndef UTIL_ARRAY_H
+#define UTIL_ARRAY_H
+
+#include <stdlib.h>
+#include <stdbool.h>
+#include <wayland-util.h>
+
+/**
+ * Remove a chunk of memory of the specified size at the specified offset.
+ */
+void array_remove_at(struct wl_array *arr, size_t offset, size_t size);
+
+/**
+ * Grow or shrink the array to fit the specifized size.
+ */
+bool array_realloc(struct wl_array *arr, size_t size);
+
+#endif
diff --git a/include/util/env.h b/include/util/env.h
new file mode 100644
index 0000000..6720fa8
--- /dev/null
+++ b/include/util/env.h
@@ -0,0 +1,11 @@
+#ifndef UTIL_ENV_H
+#define UTIL_ENV_H
+
+#include <stdbool.h>
+#include <unistd.h>
+
+bool env_parse_bool(const char *option);
+
+ssize_t env_parse_switch(const char *option, const char **switches);
+
+#endif
diff --git a/include/util/time.h b/include/util/time.h
new file mode 100644
index 0000000..287698d
--- /dev/null
+++ b/include/util/time.h
@@ -0,0 +1,27 @@
+#ifndef UTIL_TIME_H
+#define UTIL_TIME_H
+
+#include <time.h>
+
+/**
+ * Get the current time, in milliseconds.
+ */
+uint32_t get_current_time_msec(void);
+
+/**
+ * Convert a timespec to milliseconds.
+ */
+int64_t timespec_to_msec(const struct timespec *a);
+
+/**
+ * Convert nanoseconds to a timespec.
+ */
+void timespec_from_nsec(struct timespec *r, int64_t nsec);
+
+/**
+ * Subtracts timespec `b` from timespec `a`, and stores the difference in `r`.
+ */
+void timespec_sub(struct timespec *r, const struct timespec *a,
+		const struct timespec *b);
+
+#endif
-- 
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