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Fix tempfile bug on platforms lacking mkostemp and mkstemp.

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* callproc.c (create_temp_file) [! (HAVE_MKOSTEMP || HAVE_MKSTEMP)]:
Do not assume that emacs_close (INT_MAX) is a no-op.

Fixes: debbugs:14986
This commit is contained in:
Paul Eggert 2013-07-30 23:44:43 +02:00
parent 158bc55c6e
commit f4b169ce67
2 changed files with 9 additions and 2 deletions
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6
src/ChangeLog
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@ -1,3 +1,9 @@
2013-07-30 Paul Eggert <eggert@cs.ucla.edu>
Fix tempfile bug on platforms lacking mkostemp and mkstemp (Bug#14986).
* callproc.c (create_temp_file) [! (HAVE_MKOSTEMP || HAVE_MKSTEMP)]:
Do not assume that emacs_close (INT_MAX) is a no-op.
2013-07-30 Dmitry Antipov <dmantipov@yandex.ru>
* xfaces.c (make_face_cache): For struct face_cache, prefer

5
src/callproc.c
View file

@ -1018,13 +1018,14 @@ create_temp_file (ptrdiff_t nargs, Lisp_Object *args)
#else
errno = EEXIST;
mktemp (tempfile);
/* INT_MAX denotes success, because close (INT_MAX) does nothing. */
fd = *tempfile ? INT_MAX : -1;
fd = *tempfile ? 0 : -1;
#endif
if (fd < 0)
report_file_error ("Failed to open temporary file using pattern",
pattern);
#if defined HAVE_MKOSTEMP || defined HAVE_MKSTEMP
emacs_close (fd);
#endif
}
record_unwind_protect (delete_temp_file, filename_string);