ocaml/otherlibs/unix/stat.c

77 lines
1.7 KiB
C

#include <mlvalues.h>
#include <alloc.h>
#include "unix.h"
#include "cst2constr.h"
#include <sys/types.h>
#include <sys/stat.h>
#ifndef S_IFLNK
#define S_IFLNK 0
#endif
#ifndef S_IFIFO
#define S_IFIFO 0
#endif
#ifndef S_IFSOCK
#define S_IFSOCK 0
#endif
static int file_kind_table[] = {
S_IFREG, S_IFDIR, S_IFCHR, S_IFBLK, S_IFLNK, S_IFIFO, S_IFSOCK
};
static value stat_aux(buf)
struct stat * buf;
{
value v;
v = alloc_tuple(12);
Field (v, 0) = Val_int (buf->st_dev);
Field (v, 1) = Val_int (buf->st_ino);
Field (v, 2) = cst_to_constr(buf->st_mode & S_IFMT, file_kind_table,
sizeof(file_kind_table) / sizeof(int), 0);
Field (v, 3) = Val_int(buf->st_mode & 07777);
Field (v, 4) = Val_int (buf->st_nlink);
Field (v, 5) = Val_int (buf->st_uid);
Field (v, 6) = Val_int (buf->st_gid);
Field (v, 7) = Val_int (buf->st_rdev);
Field (v, 8) = Val_int (buf->st_size);
Field (v, 9) = Val_int (buf->st_atime);
Field (v, 10) = Val_int (buf->st_mtime);
Field (v, 11) = Val_int (buf->st_ctime);
return v;
}
value unix_stat(path) /* ML */
value path;
{
int ret;
struct stat buf;
ret = stat(String_val(path), &buf);
if (ret == -1) uerror("stat", path);
return stat_aux(&buf);
}
value unix_lstat(path) /* ML */
value path;
{
int ret;
struct stat buf;
#ifdef HAS_SYMLINK
ret = lstat(String_val(path), &buf);
#else
ret = stat(String_val(path), &buf);
#endif
if (ret == -1) uerror("lstat", path);
return stat_aux(&buf);
}
value unix_fstat(fd) /* ML */
value fd;
{
int ret;
struct stat buf;
ret = fstat(Int_val(fd), &buf);
if (ret == -1) uerror("fstat", Nothing);
return stat_aux(&buf);
}