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make_ext4: Add strict prototypes.

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Removes some undefined behavior.

Signed-off by: Rosen Penev <rosenp@gmail.com>
This commit is contained in:
Rosen Penev 2017-05-20 23:23:27 -07:00 committed by John Crispin
parent bb9cf91795
commit eebda1d55d
6 changed files with 18 additions and 18 deletions
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10
allocate.h
View File

@ -38,9 +38,9 @@ struct block_allocation {
}; };
void block_allocator_init(); void block_allocator_init(void);
void block_allocator_free(); void block_allocator_free(void);
u32 allocate_block(); u32 allocate_block(void);
struct block_allocation *allocate_blocks(u32 len); struct block_allocation *allocate_blocks(u32 len);
int block_allocation_num_regions(struct block_allocation *alloc); int block_allocation_num_regions(struct block_allocation *alloc);
int block_allocation_len(struct block_allocation *alloc); int block_allocation_len(struct block_allocation *alloc);
@ -58,7 +58,7 @@ void add_directory(u32 inode);
u16 get_directories(int bg); u16 get_directories(int bg);
u16 get_bg_flags(int bg); u16 get_bg_flags(int bg);
void init_unused_inode_tables(void); void init_unused_inode_tables(void);
u32 allocate_inode(); u32 allocate_inode(void);
void free_alloc(struct block_allocation *alloc); void free_alloc(struct block_allocation *alloc);
int reserve_oob_blocks(struct block_allocation *alloc, int blocks); int reserve_oob_blocks(struct block_allocation *alloc, int blocks);
int advance_blocks(struct block_allocation *alloc, int blocks); int advance_blocks(struct block_allocation *alloc, int blocks);
@ -67,7 +67,7 @@ int last_region(struct block_allocation *alloc);
void rewind_alloc(struct block_allocation *alloc); void rewind_alloc(struct block_allocation *alloc);
void append_region(struct block_allocation *alloc, void append_region(struct block_allocation *alloc,
u32 block, u32 len, int bg); u32 block, u32 len, int bg);
struct block_allocation *create_allocation(); struct block_allocation *create_allocation(void);
int append_oob_allocation(struct block_allocation *alloc, u32 len); int append_oob_allocation(struct block_allocation *alloc, u32 len);
void print_blocks(FILE* f, struct block_allocation *alloc); void print_blocks(FILE* f, struct block_allocation *alloc);

8
contents.c
View File

@ -103,7 +103,7 @@ u32 make_directory(u32 dir_inode_num, u32 entries, struct dentry *dentries,
len = blocks * info.block_size; len = blocks * info.block_size;
if (dir_inode_num) { if (dir_inode_num) {
inode_num = allocate_inode(info); inode_num = allocate_inode();
} else { } else {
dir_inode_num = EXT4_ROOT_INO; dir_inode_num = EXT4_ROOT_INO;
inode_num = EXT4_ROOT_INO; inode_num = EXT4_ROOT_INO;
@ -171,7 +171,7 @@ u32 make_file(const char *filename, u64 len)
struct ext4_inode *inode; struct ext4_inode *inode;
u32 inode_num; u32 inode_num;
inode_num = allocate_inode(info); inode_num = allocate_inode();
if (inode_num == EXT4_ALLOCATE_FAILED) { if (inode_num == EXT4_ALLOCATE_FAILED) {
error("failed to allocate inode\n"); error("failed to allocate inode\n");
return EXT4_ALLOCATE_FAILED; return EXT4_ALLOCATE_FAILED;
@ -206,7 +206,7 @@ u32 make_link(const char *link)
u32 inode_num; u32 inode_num;
u32 len = strlen(link); u32 len = strlen(link);
inode_num = allocate_inode(info); inode_num = allocate_inode();
if (inode_num == EXT4_ALLOCATE_FAILED) { if (inode_num == EXT4_ALLOCATE_FAILED) {
error("failed to allocate inode\n"); error("failed to allocate inode\n");
return EXT4_ALLOCATE_FAILED; return EXT4_ALLOCATE_FAILED;
@ -247,7 +247,7 @@ u32 make_special(const char *path)
return EXT4_ALLOCATE_FAILED; return EXT4_ALLOCATE_FAILED;
} }
inode_num = allocate_inode(info); inode_num = allocate_inode();
if (inode_num == EXT4_ALLOCATE_FAILED) { if (inode_num == EXT4_ALLOCATE_FAILED) {
error("failed to allocate inode\n"); error("failed to allocate inode\n");
return EXT4_ALLOCATE_FAILED; return EXT4_ALLOCATE_FAILED;

2
contents.h
View File

@ -39,6 +39,6 @@ u32 make_link(const char *link);
u32 make_special(const char *path); u32 make_special(const char *path);
int inode_set_permissions(u32 inode_num, u16 mode, u16 uid, u16 gid, u32 mtime); int inode_set_permissions(u32 inode_num, u16 mode, u16 uid, u16 gid, u32 mtime);
int inode_set_capabilities(u32 inode_num, uint64_t capabilities); int inode_set_capabilities(u32 inode_num, uint64_t capabilities);
struct block_allocation* get_saved_allocation_chain(); struct block_allocation* get_saved_allocation_chain(void);
#endif #endif

2
extent.h
View File

@ -25,6 +25,6 @@ struct block_allocation* inode_allocate_file_extents(
struct ext4_inode *inode, u64 len, const char *filename); struct ext4_inode *inode, u64 len, const char *filename);
u8 *inode_allocate_data_extents(struct ext4_inode *inode, u64 len, u8 *inode_allocate_data_extents(struct ext4_inode *inode, u64 len,
u64 backing_len); u64 backing_len);
void free_extent_blocks(); void free_extent_blocks(void);
#endif #endif

2
indirect.h
View File

@ -24,6 +24,6 @@ u8 *inode_allocate_data_indirect(struct ext4_inode *inode, unsigned long len,
unsigned long backing_len); unsigned long backing_len);
void inode_attach_resize(struct ext4_inode *inode, void inode_attach_resize(struct ext4_inode *inode,
struct block_allocation *alloc); struct block_allocation *alloc);
void free_indirect_blocks(); void free_indirect_blocks(void);
#endif #endif

12
make_ext4fs.c
View File

@ -258,12 +258,12 @@ static u32 build_directory_structure(const char *full_path, const char *dir_path
return inode; return inode;
} }
static u32 compute_block_size() static u32 compute_block_size(void)
{ {
return 4096; return 4096;
} }
static u32 compute_journal_blocks() static u32 compute_journal_blocks(void)
{ {
u32 journal_blocks = DIV_ROUND_UP(info.len, info.block_size) / 64; u32 journal_blocks = DIV_ROUND_UP(info.len, info.block_size) / 64;
if (journal_blocks < 1024) if (journal_blocks < 1024)
@ -273,17 +273,17 @@ static u32 compute_journal_blocks()
return journal_blocks; return journal_blocks;
} }
static u32 compute_blocks_per_group() static u32 compute_blocks_per_group(void)
{ {
return info.block_size * 8; return info.block_size * 8;
} }
static u32 compute_inodes() static u32 compute_inodes(void)
{ {
return DIV_ROUND_UP(info.len, info.block_size) / 4; return DIV_ROUND_UP(info.len, info.block_size) / 4;
} }
static u32 compute_inodes_per_group() static u32 compute_inodes_per_group(void)
{ {
u32 blocks = DIV_ROUND_UP(info.len, info.block_size); u32 blocks = DIV_ROUND_UP(info.len, info.block_size);
u32 block_groups = DIV_ROUND_UP(blocks, info.blocks_per_group); u32 block_groups = DIV_ROUND_UP(blocks, info.blocks_per_group);
@ -298,7 +298,7 @@ static u32 compute_inodes_per_group()
return inodes; return inodes;
} }
static u32 compute_bg_desc_reserve_blocks() static u32 compute_bg_desc_reserve_blocks(void)
{ {
u32 blocks = DIV_ROUND_UP(info.len, info.block_size); u32 blocks = DIV_ROUND_UP(info.len, info.block_size);
u32 block_groups = DIV_ROUND_UP(blocks, info.blocks_per_group); u32 block_groups = DIV_ROUND_UP(blocks, info.blocks_per_group);