minimal file writing, shutdown keybinding (Win+Shift+Q)

1 files changed, 2 insertions, 0 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);