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77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
#pragma once
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#include <functional>
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#include <string_view>
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#define do_align(p, a) (((p) + (a) - 1) / (a) * (a))
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#define align_off(p, a) (do_align(p, a) - (p))
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struct file_attr {
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struct stat st;
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char con[128];
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};
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ssize_t fd_path(int fd, char *path, size_t size);
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int fd_pathat(int dirfd, const char *name, char *path, size_t size);
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int mkdirs(const char *pathname, mode_t mode);
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void rm_rf(const char *path);
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void mv_f(const char *source, const char *destination);
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void mv_dir(int src, int dest);
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void cp_afc(const char *source, const char *destination);
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void link_dir(int src, int dest);
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int getattr(const char *path, struct file_attr *a);
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int getattrat(int dirfd, const char *name, struct file_attr *a);
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int fgetattr(int fd, struct file_attr *a);
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int setattr(const char *path, struct file_attr *a);
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int setattrat(int dirfd, const char *name, struct file_attr *a);
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int fsetattr(int fd, struct file_attr *a);
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void fclone_attr(int sourcefd, int targetfd);
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void clone_attr(const char *source, const char *target);
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void fd_full_read(int fd, void **buf, size_t *size);
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void full_read(const char *filename, void **buf, size_t *size);
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void write_zero(int fd, size_t size);
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void file_readline(const char *file, const std::function<bool (std::string_view)> &fn, bool trim = false);
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void parse_prop_file(const char *file, const std::function
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<bool(std::string_view, std::string_view)> &fn);
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void *__mmap(const char *filename, size_t *size, bool rw);
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void frm_rf(int dirfd, std::initializer_list<const char *> excl = std::initializer_list<const char *>());
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void clone_dir(int src, int dest, bool overwrite = true);
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void parse_mnt(const char *file, const std::function<bool (mntent*)> &fn);
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template <typename T>
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void full_read(const char *filename, T &buf, size_t &size) {
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static_assert(std::is_pointer<T>::value);
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full_read(filename, reinterpret_cast<void**>(&buf), &size);
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}
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template <typename T>
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void fd_full_read(int fd, T &buf, size_t &size) {
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static_assert(std::is_pointer<T>::value);
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fd_full_read(fd, reinterpret_cast<void**>(&buf), &size);
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}
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template <typename B>
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void mmap_ro(const char *filename, B &buf, size_t &sz) {
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buf = (B) __mmap(filename, &sz, false);
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}
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template <typename B, typename L>
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void mmap_ro(const char *filename, B &buf, L &sz) {
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size_t __sz;
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buf = (B) __mmap(filename, &__sz, false);
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sz = __sz;
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}
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template <typename B>
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void mmap_rw(const char *filename, B &buf, size_t &sz) {
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buf = (B) __mmap(filename, &sz, true);
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}
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template <typename B, typename L>
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void mmap_rw(const char *filename, B &buf, L &sz) {
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size_t __sz;
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buf = (B) __mmap(filename, &__sz, true);
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sz = __sz;
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}
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