mirrors/coreutils
0
0
Fork 0
mirror of https://github.com/coreutils/coreutils.git synced 2024-12-14 20:35:13 +08:00
Code Issues Packages Projects Releases Wiki Activity

(jm_FUNC_CHOWN): Add a check to verify that the

Browse Source 
uid and gid actually remain unchanged.
This commit is contained in:
Jim Meyering 1998-07-09 14:29:11 +00:00
parent da69105424
commit 5c71306463
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
m4/chown.m4
View File

@ -17,6 +17,7 @@ AC_DEFUN(jm_FUNC_CHOWN,
AC_CACHE_CHECK([for working chown], jm_cv_func_working_chown,
[AC_TRY_RUN([
# include <sys/types.h>
# include <stat.h>
# include <fcntl.h>
# ifdef HAVE_UNISTD_H
# include <unistd.h>
@ -28,7 +29,14 @@ AC_DEFUN(jm_FUNC_CHOWN,
char *f = "conftestchown";
if (creat (f, 0600) < 0)
exit (1);
exit (chown (f, (uid_t) -1, (gid_t) -1) == -1 ? 1 : 0);
if (stat (f, &before) < 0)
exit (1);
if (chown (f, (uid_t) -1, (gid_t) -1) == -1)
exit (1);
if (stat (f, &after) < 0)
exit (1);
exit ((before.st_uid == after.st_uid
&& before.st_gid == after.st_gid) ? 0 : 1);
}
],
jm_cv_func_working_chown=yes,