*: use NULL for null pointers

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

11 files changed, 13 insertions, 13 deletions

diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/alloc.c b/e2fsprogs/old_e2fsprogs/ext2fs/alloc.c
index 590f23a7e..5021d72c9 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/alloc.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/alloc.c
@@ -109,7 +109,7 @@ errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal,
 {
         errcode_t       retval;
         blk_t           block;
-        char            *buf = 0;
+        char            *buf = NULL;
 
         if (!block_buf) {
                 retval = ext2fs_get_mem(fs->blocksize, &buf);
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/bmap.c b/e2fsprogs/old_e2fsprogs/ext2fs/bmap.c
index b22fe3dbf..b2d0279d8 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/bmap.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/bmap.c
@@ -136,7 +136,7 @@ errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, struct ext2_inode *inode,
         struct ext2_inode inode_buf;
         blk_t addr_per_block;
         blk_t   b;
-        char    *buf = 0;
+        char    *buf = NULL;
         errcode_t       retval = 0;
         int             blocks_alloc = 0, inode_dirty = 0;
 
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/closefs.c b/e2fsprogs/old_e2fsprogs/ext2fs/closefs.c
index 008d5f36e..7ba7f22e2 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/closefs.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/closefs.c
@@ -206,8 +206,8 @@ errcode_t ext2fs_flush(ext2_filsys fs)
         blk_t           group_block;
         errcode_t       retval;
         unsigned long   fs_state;
-        struct ext2_super_block *super_shadow = 0;
-        struct ext2_group_desc *group_shadow = 0;
+        struct ext2_super_block *super_shadow = NULL;
+        struct ext2_group_desc *group_shadow = NULL;
         char    *group_ptr;
         int     old_desc_blocks;
 #if BB_BIG_ENDIAN
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/dirblock.c b/e2fsprogs/old_e2fsprogs/ext2fs/dirblock.c
index 5d3f6a1bc..f651338e3 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/dirblock.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/dirblock.c
@@ -80,7 +80,7 @@ errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block,
         int             do_swap = 0;
         errcode_t       retval;
         char            *p, *end;
-        char            *buf = 0;
+        char            *buf = NULL;
         struct ext2_dir_entry *dirent;
 
         if ((fs->flags & EXT2_FLAG_SWAP_BYTES) ||
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/ext_attr.c b/e2fsprogs/old_e2fsprogs/ext2fs/ext_attr.c
index 7ee41f234..a2ba12d45 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/ext_attr.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/ext_attr.c
@@ -68,7 +68,7 @@ errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk,
 {
         errcode_t       retval;
         struct ext2_ext_attr_header *header;
-        char    *buf = 0;
+        char    *buf = NULL;
 
         if ((blk >= fs->super->s_blocks_count) ||
             (blk < fs->super->s_first_data_block))
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/finddev.c b/e2fsprogs/old_e2fsprogs/ext2fs/finddev.c
index 5e2cce940..e9e83fd7a 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/finddev.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/finddev.c
@@ -115,9 +115,9 @@ success:
  */
 char *ext2fs_find_block_device(dev_t device)
 {
-        struct dir_list *list = 0, *new_list = 0;
+        struct dir_list *list = NULL, *new_list = NULL;
         struct dir_list *current;
-        char    *ret_path = 0;
+        char    *ret_path = NULL;
 
         /*
          * Add the starting directories to search...
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/imager.c b/e2fsprogs/old_e2fsprogs/ext2fs/imager.c
index e82321efa..0f9cfcfaf 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/imager.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/imager.c
@@ -333,7 +333,7 @@ errout:
  */
 errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags)
 {
-        char            *ptr, *buf = 0;
+        char            *ptr, *buf = NULL;
         int             size;
         ssize_t         actual;
         errcode_t       retval;
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/mkdir.c b/e2fsprogs/old_e2fsprogs/ext2fs/mkdir.c
index b63c5d7a6..93f47b06f 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/mkdir.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/mkdir.c
@@ -39,7 +39,7 @@ errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum,
         ext2_ino_t              ino = inum;
         ext2_ino_t              scratch_ino;
         blk_t                   blk;
-        char                    *block = 0;
+        char                    *block = NULL;
 
         EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
 
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/mkjournal.c b/e2fsprogs/old_e2fsprogs/ext2fs/mkjournal.c
index af47aee18..db1c8bff3 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/mkjournal.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/mkjournal.c
@@ -95,7 +95,7 @@ static errcode_t write_journal_file(ext2_filsys fs, char *filename,
                                     blk_t size, int flags)
 {
         errcode_t       retval;
-        char            *buf = 0;
+        char            *buf = NULL;
         int             fd, ret_size;
         blk_t           i;
 
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/namei.c b/e2fsprogs/old_e2fsprogs/ext2fs/namei.c
index 4d4e3788c..14d48fb72 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/namei.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/namei.c
@@ -30,7 +30,7 @@ static errcode_t follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t dir,
                              char *buf, ext2_ino_t *res_inode)
 {
         char *pathname;
-        char *buffer = 0;
+        char *buffer = NULL;
         errcode_t retval;
         struct ext2_inode ei;
 
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/rw_bitmaps.c b/e2fsprogs/old_e2fsprogs/ext2fs/rw_bitmaps.c
index a5782db95..0ae0a8234 100644
--- a/e2fsprogs/old_e2fsprogs/ext2fs/rw_bitmaps.c
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/rw_bitmaps.c
@@ -149,7 +149,7 @@ errcode_t ext2fs_write_block_bitmap (ext2_filsys fs)
 static errcode_t read_bitmaps(ext2_filsys fs, int do_inode, int do_block)
 {
         dgrp_t i;
-        char *block_bitmap = 0, *inode_bitmap = 0;
+        char *block_bitmap = NULL, *inode_bitmap = NULL;
         char *buf;
         errcode_t retval;
         int block_nbytes = (int) EXT2_BLOCKS_PER_GROUP(fs->super) / 8;