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Improve port to platforms lacking euidaccess (Bug#35406)

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* lib-src/emacsclient.c (set_local_socket):
Use faccessat with AT_EACCESS instead of using euidaccess.
* admin/merge-gnulib, lib/gnulib.mk.in, m4/gnulib-comp.m4:
Revert previous change.
This commit is contained in:
Paul Eggert 2019-04-24 17:41:05 -07:00
parent 445713f555
commit 2bf957394c
4 changed files with 35 additions and 12 deletions
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2
lib-src/emacsclient.c
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@ -1472,7 +1472,7 @@ set_local_socket (char const *server_name)
int sockdirnamelen = snprintf (sockdirname, sizeof sockdirname,
"/run/user/%"PRIuMAX, id);
if (0 <= sockdirnamelen && sockdirnamelen < sizeof sockdirname
&& euidaccess (sockdirname, X_OK) == 0)
&& faccessat (AT_FDCWD, sockdirname, X_OK, AT_EACCESS) == 0)
message
(true,
("%s: Should XDG_RUNTIME_DIR='%s' be in the environment?\n"