Move system utilities to separate source files

1 files changed, 45 insertions, 0 deletions

diff --git a/src/system.h b/src/system.h
new file mode 100644
index 00000000..d8e64c89
--- /dev/null
+++ b/src/system.h
@@ -0,0 +1,45 @@
+/*
+  Copyright 2011-2018 David Robillard <http://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 SERD_SYSTEM_H
+#define SERD_SYSTEM_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#define SERD_PAGE_SIZE 4096
+
+/** Faster fread-like wrapper for getc. */
+static inline size_t
+serd_file_read_byte(void* buf, size_t size, size_t nmemb, void* stream)
+{
+	(void)size;
+	(void)nmemb;
+
+	const int c = getc((FILE*)stream);
+	if (c == EOF) {
+		*((uint8_t*)buf) = 0;
+		return 0;
+	}
+	*((uint8_t*)buf) = (uint8_t)c;
+	return 1;
+}
+
+/** Allocate an aligned buffer for I/O. */
+void* serd_allocate_buffer(size_t size);
+
+#endif  // SERD_SYSTEM_H