Adding upstream version 1.47.0.upstream/1.47.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 118 insertions, 0 deletions

diff --git a/lib/ext2fs/inline.c b/lib/ext2fs/inline.c
new file mode 100644
index 0000000..ae2ae6e
--- /dev/null
+++ b/lib/ext2fs/inline.c
@@ -0,0 +1,118 @@
+/*
+ * inline.c --- Includes the inlined functions defined in the header
+ * 	files as standalone functions, in case the application program
+ * 	is compiled with inlining turned off.
+ *
+ * Copyright (C) 1993, 1994 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#ifndef _XOPEN_SOURCE
+#define _XOPEN_SOURCE 600	/* for posix_memalign() */
+#endif
+
+#include "config.h"
+#include <stdio.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#include <time.h>
+#if HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#if HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
+#include "ext2_fs.h"
+#define INCLUDE_INLINE_FUNCS
+#include "ext2fs.h"
+
+/*
+ * We used to define this as an inline, but since we are now using
+ * autoconf-defined #ifdef's, we need to export this as a
+ * library-provided function exclusively.
+ */
+errcode_t ext2fs_get_memalign(unsigned long size,
+			      unsigned long align, void *ptr)
+{
+	errcode_t retval = 0;
+	void **p = ptr;
+
+	if (align < 8)
+		align = 8;
+#ifdef HAVE_POSIX_MEMALIGN
+	retval = posix_memalign(p, align, size);
+	if (retval == ENOMEM)
+		return EXT2_ET_NO_MEMORY;
+#else  /* !HAVE_POSIX_MEMALIGN */
+#ifdef HAVE_MEMALIGN
+	*p = memalign(align, size);
+	if (*p == NULL) {
+		if (errno)
+			return errno;
+		else
+			return EXT2_ET_NO_MEMORY;
+	}
+#else  /* !HAVE_MEMALIGN */
+#ifdef HAVE_VALLOC
+	if (align > sizeof(long long))
+		*p = valloc(size);
+	else
+#endif
+		*p = malloc(size);
+	if ((uintptr_t) *p & (align - 1)) {
+		free(*p);
+		*p = 0;
+	}
+	if (*p == 0)
+		return EXT2_ET_NO_MEMORY;
+#endif	/* HAVE_MEMALIGN */
+#endif	/* HAVE_POSIX_MEMALIGN */
+	return retval;
+}
+
+#ifdef DEBUG
+static int isaligned(void *ptr, unsigned long align)
+{
+	return (((unsigned long) ptr & (align - 1)) == 0);
+}
+
+static errcode_t test_memalign(unsigned long align)
+{
+	void *ptr = 0;
+	errcode_t retval;
+
+	retval = ext2fs_get_memalign(32, align, &ptr);
+	if (!retval && !isaligned(ptr, align))
+		retval = EINVAL;
+	free(ptr);
+	printf("tst_memalign(%lu) is %s\n", align,
+	       retval ? error_message(retval) : "OK");
+	return retval;
+}
+
+int main(int argc, char **argv)
+{
+	int err = 0;
+
+	if (test_memalign(4))
+		err++;
+	if (test_memalign(32))
+		err++;
+	if (test_memalign(1024))
+		err++;
+	if (test_memalign(4096))
+		err++;
+	return err;
+}
+#endif