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| author | Paul Eggert <eggert@cs.ucla.edu> | 2019-09-22 23:50:59 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2019-09-22 23:51:44 -0700 |
| commit | 78669517dc3db4d6d51fb26d71073fc0c196ab5d (patch) | |
| tree | a3dff006cf177da51fd6458203d8e4751e36e78b /lib/open.c | |
| parent | a33cda168e35cb93cdf115f7d12765f590226601 (diff) | |
| download | emacs-78669517dc3db4d6d51fb26d71073fc0c196ab5d.tar.gz | |
Update from Gnulib
This incorporates:
2019-09-22 Update some URLs
2019-09-15 fcntl-h: fix compilation error of creat.c on MSVC
2019-09-15 creat: new module
2019-09-15 access: new module
2019-09-09 Add option to assume best, not worst, when cross-compiling.
* build-aux/config.guess, build-aux/config.sub, doc/misc/texinfo.tex:
* lib/careadlinkat.c, lib/careadlinkat.h, lib/count-leading-zeros.h:
* lib/count-trailing-zeros.h, lib/diffseq.h, lib/fcntl.in.h:
* lib/ftoastr.c, lib/get-permissions.c:
* lib/ieee754.in.h, lib/inttypes.in.h, lib/mktime.c, lib/open.c:
* lib/pathmax.h, lib/pipe2.c, lib/stddef.in.h, lib/stdint.in.h:
* lib/stdlib.in.h, lib/str-two-way.h, lib/string.in.h, lib/time.in.h:
* lib/timegm.c, lib/unistd.in.h, m4/canonicalize.m4:
* m4/extern-inline.m4, m4/fcntl_h.m4, m4/fdopendir.m4:
* m4/getgroups.m4, m4/getopt.m4, m4/gettimeofday.m4:
* m4/gnulib-common.m4, m4/largefile.m4:
* m4/lstat.m4, m4/memmem.m4, m4/mktime.m4, m4/nocrash.m4, m4/open.m4:
* m4/pselect.m4, m4/putenv.m4, m4/readlink.m4, m4/regex.m4:
* m4/symlink.m4, m4/unistd_h.m4, m4/utimens.m4, m4/utimes.m4:
Copy from Gnulib.
* lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate.
* m4/open-slash.m4: New file, copied from Gnulib.
Diffstat (limited to 'lib/open.c')
| -rw-r--r-- | lib/open.c | 21 |
1 files changed, 3 insertions, 18 deletions
diff --git a/lib/open.c b/lib/open.c index 655260572d4..4572ebf6cd2 100644 --- a/lib/open.c +++ b/lib/open.c @@ -94,20 +94,13 @@ open (const char *filename, int flags, ...) #if OPEN_TRAILING_SLASH_BUG /* If the filename ends in a slash and one of O_CREAT, O_WRONLY, O_RDWR is specified, then fail. - Rationale: POSIX <http://www.opengroup.org/susv3/basedefs/xbd_chap04.html> - says that - "A pathname that contains at least one non-slash character and that - ends with one or more trailing slashes shall be resolved as if a - single dot character ( '.' ) were appended to the pathname." - and - "The special filename dot shall refer to the directory specified by - its predecessor." + Rationale: POSIX <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap04.html> If the named file already exists as a directory, then - if O_CREAT is specified, open() must fail because of the semantics of O_CREAT, - if O_WRONLY or O_RDWR is specified, open() must fail because POSIX - <http://www.opengroup.org/susv3/functions/open.html> says that it - fails with errno = EISDIR in this case. + <https://pubs.opengroup.org/onlinepubs/9699919799/functions/open.html> + says that it fails with errno = EISDIR in this case. If the named file does not exist or does not name a directory, then - if O_CREAT is specified, open() must fail since open() cannot create directories, @@ -171,14 +164,6 @@ open (const char *filename, int flags, ...) #if OPEN_TRAILING_SLASH_BUG /* If the filename ends in a slash and fd does not refer to a directory, then fail. - Rationale: POSIX <http://www.opengroup.org/susv3/basedefs/xbd_chap04.html> - says that - "A pathname that contains at least one non-slash character and that - ends with one or more trailing slashes shall be resolved as if a - single dot character ( '.' ) were appended to the pathname." - and - "The special filename dot shall refer to the directory specified by - its predecessor." If the named file without the slash is not a directory, open() must fail with ENOTDIR. */ if (fd >= 0) |