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Assume fchmod(2) exists

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It is required by POSIX.1-2001.

Cc: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
This commit is contained in:
Alejandro Colomar 2022-12-02 22:30:24 +01:00 committed by Serge Hallyn
parent 55c62b663f
commit 9c86e07067
2 changed files with 2 additions and 7 deletions
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2
configure.ac
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@ -45,7 +45,7 @@ AC_CHECK_HEADERS(crypt.h utmp.h \
dnl shadow now uses the libc's shadow implementation dnl shadow now uses the libc's shadow implementation
AC_CHECK_HEADER([shadow.h],,[AC_MSG_ERROR([You need a libc with shadow.h])]) AC_CHECK_HEADER([shadow.h],,[AC_MSG_ERROR([You need a libc with shadow.h])])
AC_CHECK_FUNCS(arc4random_buf fchmod fchown fsync futimes \ AC_CHECK_FUNCS(arc4random_buf fchown fsync futimes \
getentropy getrandom getspnam getusershell \ getentropy getrandom getspnam getusershell \
getutent initgroups lckpwdf lutimes \ getutent initgroups lckpwdf lutimes \
setgroups updwtmp updwtmpx innetgr getpwnam_r \ setgroups updwtmp updwtmpx innetgr getpwnam_r \

7
lib/commonio.c
View File

@ -261,15 +261,10 @@ static /*@null@*/ /*@dependent@*/FILE *fopen_set_perms (
} }
#endif /* !HAVE_FCHOWN */ #endif /* !HAVE_FCHOWN */
#ifdef HAVE_FCHMOD
if (fchmod (fileno (fp), sb->st_mode & 0664) != 0) { if (fchmod (fileno (fp), sb->st_mode & 0664) != 0) {
goto fail; goto fail;
} }
#else /* !HAVE_FCHMOD */
if (chmod (name, sb->st_mode & 0664) != 0) {
goto fail;
}
#endif /* !HAVE_FCHMOD */
return fp; return fp;
fail: fail: