Skip to content
GitLab
Projects
Groups
Snippets
Help
Loading...
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
Open sidebar
emacs
emacs
Commits
f73b0ada
Commit
f73b0ada
authored
Oct 25, 1993
by
Brian Fox
Browse files
(Fcopy_file): Don't allow the copying of anything other than regular
files or symlink files.
parent
84d91fda
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
28 additions
and
1 deletion
+28
-1
src/fileio.c
src/fileio.c
+28
-1
No files found.
src/fileio.c
View file @
f73b0ada
...
...
@@ -22,6 +22,14 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <sys/types.h>
#include <sys/stat.h>
#if !defined (S_ISLNK) && defined (S_IFLNK)
# define S_ISLNK(m) (((m) & S_IFMT) == S_IFLNK)
#endif
#if !defined (S_ISREG) && defined (S_IFREG)
# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#endif
#ifdef VMS
#include "vms-pwd.h"
#else
...
...
@@ -1586,6 +1594,7 @@ A prefix arg makes KEEP-TIME non-nil.")
struct gcpro gcpro1, gcpro2;
int count = specpdl_ptr - specpdl;
Lisp_Object args[6];
int input_file_statable_p;
GCPRO2 (filename, newname);
CHECK_STRING (filename, 0);
...
...
@@ -1614,6 +1623,24 @@ A prefix arg makes KEEP-TIME non-nil.")
record_unwind_protect (close_file_unwind, make_number (ifd));
/* We can only copy regular files and symbolic links. Other files are not
copyable by us. */
input_file_statable_p = (fstat (ifd, &st) >= 0);
#if defined (S_ISREG) && defined (S_ISLNK)
if (input_file_statable_p)
{
if (!(S_ISREG (st.st_mode)) && !(S_ISLNK (st.st_mode)))
{
#if defined (EISDIR)
/* Get a better looking error message. */
errno = EISDIR;
#endif /* EISDIR */
report_file_error ("Non-regular file", Fcons (filename, Qnil));
}
}
#endif /* S_ISREG && S_ISLNK */
#ifdef VMS
/* Create the copy file with the same record format as the input file */
ofd = sys_creat (XSTRING (newname)->data, 0666, ifd);
...
...
@@ -1632,7 +1659,7 @@ A prefix arg makes KEEP-TIME non-nil.")
report_file_error ("I/O error", Fcons (newname, Qnil));
immediate_quit = 0;
if
(
fstat
(
ifd
,
&
st
)
>=
0
)
if (
input_file_statable_p
)
{
if (!NILP (keep_date))
{
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
.
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment