* 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 Public
- * License.
+ * 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>
-#include <stdlib.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 <linux/ext2_fs.h>
-
+#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;
+ void **p = ptr;
+
+ if (align < 8)
+ align = 8;
+#ifdef HAVE_POSIX_MEMALIGN
+ retval = posix_memalign(p, align, size);
+ if (retval) {
+ if (retval == ENOMEM)
+ return EXT2_ET_NO_MEMORY;
+ return retval;
+ }
+#else
+#ifdef HAVE_MEMALIGN
+ *p = memalign(align, size);
+ if (*p == NULL) {
+ if (errno)
+ return errno;
+ else
+ return EXT2_ET_NO_MEMORY;
+ }
+#else
+#ifdef HAVE_VALLOC
+ if (align > sizeof(long long))
+ *p = valloc(size);
+ else
+#endif
+ *p = malloc(size);
+ if ((unsigned long) *p & (align - 1)) {
+ free(*p);
+ *p = 0;
+ }
+ if (*p == 0)
+ return EXT2_ET_NO_MEMORY;
+#endif
+#endif
+ return 0;
+}
+
+#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