Clean up and separate internal headers

1 files changed, 59 insertions, 0 deletions

diff --git a/src/system.c b/src/system.c
new file mode 100644
index 00000000..0a6a5561
--- /dev/null
+++ b/src/system.c
@@ -0,0 +1,59 @@
+/*
+  Copyright 2011-2020 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.
+*/
+
+#define _POSIX_C_SOURCE 200809L /* for posix_memalign and posix_fadvise */
+
+#include "system.h"
+
+#include "serd_config.h"
+#include "serd_internal.h"
+
+#if defined(HAVE_POSIX_FADVISE) && defined(HAVE_FILENO)
+#   include <fcntl.h>
+#endif
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+FILE*
+serd_fopen(const char* path, const char* mode)
+{
+	FILE* fd = fopen(path, mode);
+	if (!fd) {
+		fprintf(stderr, "error: failed to open file %s (%s)\n",
+		        path, strerror(errno));
+		return NULL;
+	}
+#if defined(HAVE_POSIX_FADVISE) && defined(HAVE_FILENO)
+	posix_fadvise(fileno(fd), 0, 0, POSIX_FADV_SEQUENTIAL);
+#endif
+	return fd;
+}
+
+void*
+serd_bufalloc(size_t size)
+{
+#ifdef HAVE_POSIX_MEMALIGN
+	void*     ptr = NULL;
+	const int ret = posix_memalign(&ptr, SERD_PAGE_SIZE, size);
+	return ret ? NULL : ptr;
+#else
+	return malloc(size);
+#endif
+}
+