ICFS/sources/sourcefs.h

#ifndef SOURCEFS_H
#define SOURCEFS_H

#include <dirent.h>
#include <sys/stat.h>

/**
 * Initializes the source file handling.
 *
 * @param root_path The root of the source files folder.
 * @return 0 on success, -1 on failure.
 */
int source_init(const char *root_path);

/* All of the functions below are designed to behave exactly as their non-source
 * counterparts. */

int source_stat(const char *restrict filename, struct stat *restrict statbuf);

struct dirent *source_readdir(DIR *dirp);

DIR *source_opendir(const char *filename);

int source_unlink(const char *filename);

int source_mkdir(const char *filename, mode_t mode);

int source_rmdir(const char *filename);

int source_symlink(const char *target, const char *linkpath);

int source_rename(const char *oldpath, const char *newpath);

int source_link(const char *oldpath, const char *newpath);

int source_chmod(const char *filename, mode_t mode);

int source_chown(const char *filename, uid_t owner, gid_t group);

int source_truncate(const char *filename, off_t length);

/* `open` and `create` are designed to correspond to fuse operations, not the
 * libc's `open(2)`. Both of them actually call `openat`. */

int source_open(const char *filename, int flags);

int source_create(const char *filename, int flags, mode_t mode);

#endif // !SOURCEFS_H