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authorDenys Vlasenko <vda.linux@googlemail.com>2010-03-05 13:10:54 (GMT)
committer Denys Vlasenko <vda.linux@googlemail.com>2010-03-05 13:10:54 (GMT)
commit4b1100edd8180efa2e81860ef2fadeebcb21f5fa (patch)
tree84ae15d899f04dc8fdc16172446eb8e76a834d67
parent44fbfa78ca6126d658ff48cef79e2f7d29fae6c8 (diff)
downloadbusybox-4b1100edd8180efa2e81860ef2fadeebcb21f5fa.tar.gz
busybox-4b1100edd8180efa2e81860ef2fadeebcb21f5fa.tar.bz2
*: use NULL for null pointers
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--e2fsprogs/old_e2fsprogs/blkid/devname.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/blkid/probe.c16
-rw-r--r--e2fsprogs/old_e2fsprogs/blkid/resolve.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/blkid/tag.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/e2fsck.c16
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/alloc.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/bmap.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/closefs.c4
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/dirblock.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/ext_attr.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/finddev.c4
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/imager.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/mkdir.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/mkjournal.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/namei.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/ext2fs/rw_bitmaps.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/fsck.c2
-rw-r--r--e2fsprogs/old_e2fsprogs/mke2fs.c4
-rw-r--r--shell/ash.c2
19 files changed, 36 insertions, 36 deletions
diff --git a/e2fsprogs/old_e2fsprogs/blkid/devname.c b/e2fsprogs/old_e2fsprogs/blkid/devname.c
index 348e5d4..fad92cb 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/devname.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/devname.c
@@ -258,7 +258,7 @@ int blkid_probe_all(blkid_cache cache)
{
FILE *proc;
char line[1024];
- char ptname0[128], ptname1[128], *ptname = 0;
+ char ptname0[128], ptname1[128], *ptname = NULL;
char *ptnames[2];
dev_t devs[2];
int ma, mi;
diff --git a/e2fsprogs/old_e2fsprogs/blkid/probe.c b/e2fsprogs/old_e2fsprogs/blkid/probe.c
index 1f7188e..77bfc73 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/probe.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/probe.c
@@ -82,7 +82,7 @@ static void set_uuid(blkid_dev dev, uuid_t uuid)
static void get_ext2_info(blkid_dev dev, unsigned char *buf)
{
struct ext2_super_block *es = (struct ext2_super_block *) buf;
- const char *label = 0;
+ const char *label = NULL;
DBG(DEBUG_PROBE, printf("ext2_sb.compat = %08X:%08X:%08X\n",
blkid_le32(es->s_feature_compat),
@@ -168,7 +168,7 @@ static int probe_vfat(int fd __BLKID_ATTR((unused)),
{
struct vfat_super_block *vs;
char serno[10];
- const char *label = 0;
+ const char *label = NULL;
int label_len = 0;
vs = (struct vfat_super_block *)buf;
@@ -201,7 +201,7 @@ static int probe_msdos(int fd __BLKID_ATTR((unused)),
{
struct msdos_super_block *ms = (struct msdos_super_block *) buf;
char serno[10];
- const char *label = 0;
+ const char *label = NULL;
int label_len = 0;
if (strncmp(ms->ms_label, "NO NAME", 7)) {
@@ -232,7 +232,7 @@ static int probe_xfs(int fd __BLKID_ATTR((unused)),
unsigned char *buf)
{
struct xfs_super_block *xs;
- const char *label = 0;
+ const char *label = NULL;
xs = (struct xfs_super_block *)buf;
@@ -250,7 +250,7 @@ static int probe_reiserfs(int fd __BLKID_ATTR((unused)),
{
struct reiserfs_super_block *rs = (struct reiserfs_super_block *) buf;
unsigned int blocksize;
- const char *label = 0;
+ const char *label = NULL;
blocksize = blkid_le16(rs->rs_blocksize);
@@ -277,7 +277,7 @@ static int probe_jfs(int fd __BLKID_ATTR((unused)),
unsigned char *buf)
{
struct jfs_super_block *js;
- const char *label = 0;
+ const char *label = NULL;
js = (struct jfs_super_block *)buf;
@@ -295,7 +295,7 @@ static int probe_romfs(int fd __BLKID_ATTR((unused)),
unsigned char *buf)
{
struct romfs_super_block *ros;
- const char *label = 0;
+ const char *label = NULL;
ros = (struct romfs_super_block *)buf;
@@ -312,7 +312,7 @@ static int probe_cramfs(int fd __BLKID_ATTR((unused)),
unsigned char *buf)
{
struct cramfs_super_block *csb;
- const char *label = 0;
+ const char *label = NULL;
csb = (struct cramfs_super_block *)buf;
diff --git a/e2fsprogs/old_e2fsprogs/blkid/resolve.c b/e2fsprogs/old_e2fsprogs/blkid/resolve.c
index 0f92158..295ca61 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/resolve.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/resolve.c
@@ -65,7 +65,7 @@ char *blkid_get_devname(blkid_cache cache, const char *token,
{
blkid_dev dev;
blkid_cache c = cache;
- char *t = 0, *v = 0;
+ char *t = NULL, *v = NULL;
char *ret = NULL;
if (!token)
diff --git a/e2fsprogs/old_e2fsprogs/blkid/tag.c b/e2fsprogs/old_e2fsprogs/blkid/tag.c
index c0a93df..8337b46 100644
--- a/e2fsprogs/old_e2fsprogs/blkid/tag.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/tag.c
@@ -112,7 +112,7 @@ int blkid_set_tag(blkid_dev dev, const char *name,
const char *value, const int vlength)
{
blkid_tag t = 0, head = 0;
- char *val = 0;
+ char *val = NULL;
if (!dev || !name)
return -BLKID_ERR_PARAM;
diff --git a/e2fsprogs/old_e2fsprogs/e2fsck.c b/e2fsprogs/old_e2fsprogs/e2fsck.c
index 7e09969..7384bc4 100644
--- a/e2fsprogs/old_e2fsprogs/e2fsck.c
+++ b/e2fsprogs/old_e2fsprogs/e2fsck.c
@@ -1539,7 +1539,7 @@ static errcode_t e2fsck_get_journal(e2fsck_t ctx, journal_t **ret_journal)
struct buffer_head *bh;
struct inode *j_inode = NULL;
struct kdev_s *dev_fs = NULL, *dev_journal;
- const char *journal_name = 0;
+ const char *journal_name = NULL;
journal_t *journal = NULL;
errcode_t retval = 0;
io_manager io_ptr = 0;
@@ -6009,7 +6009,7 @@ static int check_dir_block(ext2_filsys fs,
struct dir_info *subdir, *dir;
struct dx_dir_info *dx_dir;
#ifdef ENABLE_HTREE
- struct dx_dirblock_info *dx_db = 0;
+ struct dx_dirblock_info *dx_db = NULL;
#endif /* ENABLE_HTREE */
struct ext2_dir_entry *dirent, *prev;
ext2_dirhash_t hash;
@@ -7524,7 +7524,7 @@ static void e2fsck_pass4(e2fsck_t ctx)
struct ext2_inode inode;
struct problem_context pctx;
__u16 link_count, link_counted;
- char *buf = 0;
+ char *buf = NULL;
int group, maxgroup;
/* Pass 4 */
@@ -9670,7 +9670,7 @@ int fix_problem(e2fsck_t ctx, problem_t code, struct problem_context *pctx)
{
ext2_filsys fs = ctx->fs;
const struct e2fsck_problem *ptr;
- struct latch_descr *ldesc = 0;
+ struct latch_descr *ldesc = NULL;
const char *message;
int def_yn, answer, ans;
int print_answer = 0;
@@ -10669,7 +10669,7 @@ static errcode_t calculate_tree(ext2_filsys fs,
ext2_ino_t parent)
{
struct ext2_dx_root_info *root_info;
- struct ext2_dx_entry *root, *dx_ent = 0;
+ struct ext2_dx_entry *root, *dx_ent = NULL;
struct ext2_dx_countlimit *root_limit, *limit;
errcode_t retval;
char * block_start;
@@ -10821,7 +10821,7 @@ static errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino)
ext2_filsys fs = ctx->fs;
errcode_t retval;
struct ext2_inode inode;
- char *dir_buf = 0;
+ char *dir_buf = NULL;
struct fill_dir_struct fd;
struct out_dir outdir;
@@ -11559,7 +11559,7 @@ static void check_resize_inode(e2fsck_t ctx)
struct problem_context pctx;
int i, j, gdt_off, ind_off;
blk_t blk, pblk, expect;
- __u32 *dind_buf = 0, *ind_buf;
+ __u32 *dind_buf = NULL, *ind_buf;
errcode_t retval;
clear_problem_context(&pctx);
@@ -12975,7 +12975,7 @@ static errcode_t PRS(int argc, char **argv, e2fsck_t *ret_ctx)
e2fsck_t ctx;
errcode_t retval;
struct sigaction sa;
- char *extended_opts = 0;
+ char *extended_opts = NULL;
retval = e2fsck_allocate_context(&ctx);
if (retval)
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/alloc.c b/e2fsprogs/old_e2fsprogs/ext2fs/alloc.c
index 590f23a..5021d72 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 b22fe3d..b2d0279 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 008d5f3..7ba7f22 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 5d3f6a1..f651338 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 7ee41f2..a2ba12d 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 5e2cce9..e9e83fd 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 e82321e..0f9cfcf 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 b63c5d7..93f47b0 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 af47aee..db1c8bf 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 4d4e378..14d48fb 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 a5782db..0ae0a82 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;
diff --git a/e2fsprogs/old_e2fsprogs/fsck.c b/e2fsprogs/old_e2fsprogs/fsck.c
index c0964f7..dc029b6 100644
--- a/e2fsprogs/old_e2fsprogs/fsck.c
+++ b/e2fsprogs/old_e2fsprogs/fsck.c
@@ -1166,7 +1166,7 @@ static void signal_cancel(int sig FSCK_ATTR((unused)))
static void PRS(int argc, char **argv)
{
int i, j;
- char *arg, *dev, *tmp = 0;
+ char *arg, *dev, *tmp = NULL;
char options[128];
int opt = 0;
int opts_for_fsck = 0;
diff --git a/e2fsprogs/old_e2fsprogs/mke2fs.c b/e2fsprogs/old_e2fsprogs/mke2fs.c
index 32f0329..5203645 100644
--- a/e2fsprogs/old_e2fsprogs/mke2fs.c
+++ b/e2fsprogs/old_e2fsprogs/mke2fs.c
@@ -799,8 +799,8 @@ static int PRS(int argc, char **argv)
int show_version_only = 0;
ext2_ino_t num_inodes = 0;
errcode_t retval;
- char * extended_opts = 0;
- const char * fs_type = 0;
+ char * extended_opts = NULL;
+ const char * fs_type = NULL;
blk_t dev_size;
long sysval;
diff --git a/shell/ash.c b/shell/ash.c
index 03904bb..8ffe67c 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -2482,7 +2482,7 @@ static void hashcd(void);
static int
docd(const char *dest, int flags)
{
- const char *dir = 0;
+ const char *dir = NULL;
int err;
TRACE(("docd(\"%s\", %d) called\n", dest, flags));