*: use NULL for null pointers
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| @@ -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; | |
| @@ -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; | |
| @@ -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) | |
| @@ -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; | |
| @@ -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) | |
| @@ -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); | |
| @@ -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; | |
| @@ -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 | |
| @@ -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) || | |
| @@ -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)) | |
| @@ -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... | |
| @@ -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; | |
| @@ -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); | |
| @@ -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; | |
| @@ -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; | |
| @@ -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; | |
| @@ -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; | |
| @@ -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; | |
| @@ -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)); | |