summaryrefslogtreecommitdiff
path: root/src/fileio.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/fileio.c')
-rw-r--r--src/fileio.c35
1 files changed, 7 insertions, 28 deletions
diff --git a/src/fileio.c b/src/fileio.c
index 2ccad83f668..0225e0bf3a9 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -26,18 +26,6 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <setjmp.h>
#include <unistd.h>
-#if !defined (S_ISLNK) && defined (S_IFLNK)
-# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
-#endif
-
-#if !defined (S_ISFIFO) && defined (S_IFIFO)
-# define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
-#endif
-
-#if !defined (S_ISREG) && defined (S_IFREG)
-# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
-#endif
-
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif
@@ -95,10 +83,6 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include "commands.h"
-#ifndef S_ISLNK
-# define lstat stat
-#endif
-
#ifndef FILE_SYSTEM_CASE
#define FILE_SYSTEM_CASE(filename) (filename)
#endif
@@ -1922,7 +1906,6 @@ on the system, we copy the SELinux context of FILE to NEWNAME. */)
Fcons (file, Fcons (newname, Qnil)));
}
-#if defined (S_ISREG) && defined (S_ISLNK)
if (input_file_statable_p)
{
if (!(S_ISREG (st.st_mode)) && !(S_ISLNK (st.st_mode)))
@@ -1934,7 +1917,6 @@ on the system, we copy the SELinux context of FILE to NEWNAME. */)
report_file_error ("Non-regular file", Fcons (file, Qnil));
}
}
-#endif /* S_ISREG && S_ISLNK */
#ifdef MSDOS
/* System's default file type was set to binary by _fmode in emacs.c. */
@@ -2408,7 +2390,7 @@ check_writable (const char *filename)
struct stat st;
if (stat (filename, &st) < 0)
return 0;
- return (st.st_mode & S_IWRITE || (st.st_mode & S_IFMT) == S_IFDIR);
+ return (st.st_mode & S_IWRITE || S_ISDIR (st.st_mode));
#else /* not MSDOS */
#ifdef HAVE_EUIDACCESS
return (euidaccess (filename, 2) >= 0);
@@ -2500,7 +2482,7 @@ See also `file-exists-p' and `file-attributes'. */)
return Qnil;
#else /* not DOS_NT and not macintosh */
flags = O_RDONLY;
-#if defined (S_ISFIFO) && defined (O_NONBLOCK)
+#if defined (S_IFIFO) && defined (O_NONBLOCK)
/* Opening a fifo without O_NONBLOCK can wait.
We don't want to wait. But we don't want to mess wth O_NONBLOCK
except in the case of a fifo, on a system which handles it. */
@@ -2555,7 +2537,7 @@ DEFUN ("file-writable-p", Ffile_writable_p, Sfile_writable_p, 1, 1, 0,
should check ACLs though, which do affect this. */
if (stat (SDATA (dir), &statbuf) < 0)
return Qnil;
- return (statbuf.st_mode & S_IFMT) == S_IFDIR ? Qt : Qnil;
+ return S_ISDIR (statbuf.st_mode) ? Qt : Qnil;
#else
return (check_writable (!NILP (dir) ? SSDATA (dir) : "")
? Qt : Qnil);
@@ -2681,7 +2663,7 @@ See `file-symlink-p' to distinguish symlinks. */)
if (stat (SSDATA (absname), &st) < 0)
return Qnil;
- return (st.st_mode & S_IFMT) == S_IFDIR ? Qt : Qnil;
+ return S_ISDIR (st.st_mode) ? Qt : Qnil;
}
DEFUN ("file-accessible-directory-p", Ffile_accessible_directory_p, Sfile_accessible_directory_p, 1, 1, 0,
@@ -2744,12 +2726,12 @@ See `file-symlink-p' to distinguish symlinks. */)
if (result < 0)
return Qnil;
- return (st.st_mode & S_IFMT) == S_IFREG ? Qt : Qnil;
+ return S_ISREG (st.st_mode) ? Qt : Qnil;
}
#else
if (stat (SSDATA (absname), &st) < 0)
return Qnil;
- return (st.st_mode & S_IFMT) == S_IFREG ? Qt : Qnil;
+ return S_ISREG (st.st_mode) ? Qt : Qnil;
#endif
}
@@ -3007,8 +2989,7 @@ Use the current time if TIME is nil. TIME is in the format of
struct stat st;
/* Setting times on a directory always fails. */
- if (stat (SDATA (encoded_absname), &st) == 0
- && (st.st_mode & S_IFMT) == S_IFDIR)
+ if (stat (SSDATA (encoded_absname), &st) == 0 && S_ISDIR (st.st_mode))
return Qnil;
#endif
report_file_error ("Setting file times", Fcons (absname, Qnil));
@@ -3267,7 +3248,6 @@ variable `last-coding-system-used' to the coding system actually used. */)
goto notfound;
}
-#ifdef S_IFREG
/* This code will need to be changed in order to work on named
pipes, and it's probably just not worth it. So we should at
least signal an error. */
@@ -3282,7 +3262,6 @@ variable `last-coding-system-used' to the coding system actually used. */)
xsignal2 (Qfile_error,
build_string ("not a regular file"), orig_filename);
}
-#endif
if (fd < 0)
if ((fd = emacs_open (SSDATA (filename), O_RDONLY, 0)) < 0)