Make demo programs work from any directory, and install them

1 files changed, 41 insertions, 0 deletions

diff --git a/examples/file_utils.h b/examples/file_utils.h
new file mode 100644
index 0000000..1530157
--- /dev/null
+++ b/examples/file_utils.h
@@ -0,0 +1,41 @@
+/*
+  Copyright 2019-2020 David Robillard <d@drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef EXAMPLES_FILE_UTILS_H
+#define EXAMPLES_FILE_UTILS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+   Return the path to a resource file.
+
+   This takes a name like "shaders/something.glsl" and returns the actual
+   path that can be used to load that resource, which may be relative to the
+   current executable (for running in bundles or the build directory), or a
+   shared system directory for installs.
+
+   The returned path must be freed with free().
+*/
+char*
+resourcePath(const char* programPath, const char* name);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // EXAMPLES_FILE_UTILS_H