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-rw-r--r--src/system.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/src/system.c b/src/system.c
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+++ b/src/system.c
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+/*
+ 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
+}
+