diff options
Diffstat (limited to 'src/user/include')
| -rw-r--r-- | src/user/include/knob/file.h | 2 | ||||
| -rw-r--r-- | src/user/include/pland/syscall.h | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/src/user/include/knob/file.h b/src/user/include/knob/file.h index 8862098..d283288 100644 --- a/src/user/include/knob/file.h +++ b/src/user/include/knob/file.h @@ -12,12 +12,14 @@ struct file *open_file(const char *path); void close_file(struct file *f); uint32_t read_from_file(struct file *f, uint32_t max, void *buf); +uint32_t write_to_file(struct file *f, uint32_t max, void *buf); //return value and max_length don't include null terminator uint32_t read_line_from_file(struct file *f, char *sz, uint32_t max_length); uint32_t seek_file_to(struct file *f, uint32_t to); int32_t seek_file_by(struct file *f, int32_t by); uint32_t file_size(struct file *f) __attribute__ ((pure)); +void trunc_file(struct file *f); //return value must be manually freed, unless it is a null pointer _dir_info_entry_t *get_directory_info(const char *path, uint32_t *count_out); diff --git a/src/user/include/pland/syscall.h b/src/user/include/pland/syscall.h index 9518d09..3c4f421 100644 --- a/src/user/include/pland/syscall.h +++ b/src/user/include/pland/syscall.h @@ -51,7 +51,9 @@ enum _scn { _SCN_FIND_UNREAD_IPC, _SCN_WAIT_IPC_READ, _SCN_IS_TASK_RUNNING, - _SCN_GET_TIMESTAMP + _SCN_GET_TIMESTAMP, + _SCN_FILE_WRITE, + _SCN_SET_FILE_SIZE }; static inline uint32_t _sc0(enum _scn eax) { @@ -240,4 +242,12 @@ static inline uint32_t _get_timestamp() { return _sc0(_SCN_GET_TIMESTAMP); } +static inline uint32_t _file_write(_file_handle_t handle, uint32_t offset, uint32_t count, const void *from) { + return _sc4(_SCN_FILE_WRITE, handle, offset, count, (uint32_t)from); +} + +static inline void _set_file_size(_file_handle_t handle, uint32_t new_size) { + _sc2(_SCN_SET_FILE_SIZE, handle, new_size); +} + #endif
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