kernel/scalls/stat.h


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#include <types.h>
#include <time.h>

typedef struct SYS_STAT_PARAMS {
  const char *pathname;
  struct stat *statbuf;
} __attribute__((packed)) SYS_STAT_PARAMS;

struct stat {
  dev_t st_dev;            // Device ID of device containing file.
  ino_t st_ino;            // File serial number.
  mode_t st_mode;          // Mode of file (see below).
  nlink_t st_nlink;        // Number of hard links to the file.
  uid_t st_uid;            // User ID of file.
  gid_t st_gid;            // Group ID of file.
  dev_t st_rdev;           // Device ID (if file is character or block special).
  off_t st_size;           // For regular files, the file size in bytes.
                           // For symbolic links, the length in bytes of the
                           // pathname contained in the symbolic link.
                           // For a shared memory object, the length in bytes.
                           // For a typed memory object, the length in bytes.
                           // For other file types, the use of this field is
                           // unspecified.
  struct timespec st_atim; // Last data access timestamp.
  struct timespec st_mtim; // Last data modification timestamp.
  struct timespec st_ctim; // Last file status change timestamp.
  blksize_t st_blksize;    // A file system-specific preferred I/O block size
                           // for this object. In some file system types, this
                           // may vary from file to file.
  blkcnt_t st_blocks;      // Number of blocks allocated for this object.
};

int syscall_stat(SYS_STAT_PARAMS *args);