6 files changed, 15 insertions, 14 deletions
diff --git a/e2fsprogs/ext2fs/bitops.c b/e2fsprogs/ext2fs/bitops.c
index e44e10cf4..77ac2a61f 100644
--- a/e2fsprogs/ext2fs/bitops.c
+++ b/e2fsprogs/ext2fs/bitops.c
@@ -30,7 +30,7 @@
  * systems, as well as non-32 bit systems.
  */
 
-int ext2fs_set_bit(int nr,void * addr)
+int ext2fs_set_bit(unsigned int nr,void * addr)
 {
 	int		mask, retval;
 	unsigned char	*ADDR = (unsigned char *) addr;
@@ -42,7 +42,7 @@ int ext2fs_set_bit(int nr,void * addr)
 	return retval;
 }
 
-int ext2fs_clear_bit(int nr, void * addr)
+int ext2fs_clear_bit(unsigned int nr, void * addr)
 {
 	int		mask, retval;
 	unsigned char	*ADDR = (unsigned char *) addr;
@@ -54,7 +54,7 @@ int ext2fs_clear_bit(int nr, void * addr)
 	return retval;
 }
 
-int ext2fs_test_bit(int nr, const void * addr)
+int ext2fs_test_bit(unsigned int nr, const void * addr)
 {
 	int			mask;
 	const unsigned char	*ADDR = (const unsigned char *) addr;
diff --git a/e2fsprogs/ext2fs/bitops.h b/e2fsprogs/ext2fs/bitops.h
index 4dba050c8..5e727d186 100644
--- a/e2fsprogs/ext2fs/bitops.h
+++ b/e2fsprogs/ext2fs/bitops.h
@@ -15,9 +15,9 @@
 
 #include <strings.h>
 
-extern int ext2fs_set_bit(int nr,void * addr);
-extern int ext2fs_clear_bit(int nr, void * addr);
-extern int ext2fs_test_bit(int nr, const void * addr);
+extern int ext2fs_set_bit(unsigned int nr,void * addr);
+extern int ext2fs_clear_bit(unsigned int nr, void * addr);
+extern int ext2fs_test_bit(unsigned int nr, const void * addr);
 extern __u16 ext2fs_swab16(__u16 val);
 extern __u32 ext2fs_swab32(__u32 val);
 
diff --git a/e2fsprogs/ext2fs/ext2fs.h b/e2fsprogs/ext2fs/ext2fs.h
index 7d2a43695..b8752a56e 100644
--- a/e2fsprogs/ext2fs/ext2fs.h
+++ b/e2fsprogs/ext2fs/ext2fs.h
@@ -330,6 +330,7 @@ typedef struct ext2_struct_inode_scan *ext2_inode_scan;
 #define EXT2_MF_ISROOT		2
 #define EXT2_MF_READONLY	4
 #define EXT2_MF_SWAP		8
+#define EXT2_MF_BUSY		16
 
 /*
  * Ext2/linux mode flags.  We define them here so that we don't need
diff --git a/e2fsprogs/ext2fs/ext2fs_inline.c b/e2fsprogs/ext2fs/ext2fs_inline.c
index 73d393d20..a363b1992 100644
--- a/e2fsprogs/ext2fs/ext2fs_inline.c
+++ b/e2fsprogs/ext2fs/ext2fs_inline.c
@@ -44,12 +44,14 @@ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size,
 				     unsigned long size, void *ptr)
 {
 	void *p;
-	void **pp = (void **)ptr;
 
-	p = realloc(*pp, size);
+	/* Use "memcpy" for pointer assignments here to avoid problems
+	 * with C99 strict type aliasing rules. */
+	memcpy(&p, ptr, sizeof (p));
+	p = realloc(p, size);
 	if (!p)
 		return EXT2_ET_NO_MEMORY;
-	*pp = p;
+	memcpy(ptr, &p, sizeof (p));
 	return 0;
 }
 
diff --git a/e2fsprogs/ext2fs/getsectsize.c b/e2fsprogs/ext2fs/getsectsize.c
index b561660ba..36871f236 100644
--- a/e2fsprogs/ext2fs/getsectsize.c
+++ b/e2fsprogs/ext2fs/getsectsize.c
@@ -23,7 +23,7 @@
 #include <linux/fd.h>
 #endif
 
-#if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE)
+#if defined(__linux__) && defined(_IO) && !defined(BLKSSZGET)
 #define BLKSSZGET  _IO(0x12,104)/* get block device sector size */
 #endif
 
diff --git a/e2fsprogs/ext2fs/ismounted.c b/e2fsprogs/ext2fs/ismounted.c
index 2395ccaed..125fe244b 100644
--- a/e2fsprogs/ext2fs/ismounted.c
+++ b/e2fsprogs/ext2fs/ismounted.c
@@ -339,20 +339,18 @@ int main(int argc, char **argv)
 		exit(1);
 	}
 	printf("Device %s reports flags %02x\n", argv[1], mount_flags);
+	if (mount_flags & EXT2_MF_BUSY)
+		printf("\t%s is apparently in use.\n", argv[1]);
 	if (mount_flags & EXT2_MF_MOUNTED)
 		printf("\t%s is mounted.\n", argv[1]);
-
 	if (mount_flags & EXT2_MF_SWAP)
 		printf("\t%s is a swap device.\n", argv[1]);
-
 	if (mount_flags & EXT2_MF_READONLY)
 		printf("\t%s is read-only.\n", argv[1]);
-
 	if (mount_flags & EXT2_MF_ISROOT)
 		printf("\t%s is the root filesystem.\n", argv[1]);
 	if (mntpt[0])
 		printf("\t%s is mounted on %s.\n", argv[1], mntpt);
-
 	exit(0);
 }
 #endif /* DEBUG */