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View File Name :
local-nss-upgrade.diff
# DP: This patch makes future upgrades easier. It resolves problems with # DP: running daemons having NSS modules upgraded out from under them. --- nss/nsswitch.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) --- a/nss/nsswitch.c +++ b/nss/nsswitch.c @@ -395,9 +395,20 @@ ni->library->lib_handle = __libc_dlopen (shlib_name); if (ni->library->lib_handle == NULL) { - /* Failed to load the library. */ - ni->library->lib_handle = (void *) -1l; - __set_errno (saved_errno); + /* Failed to load the library. Try a fallback. */ + int n = __snprintf(shlib_name, shlen, "libnss_%s.so.%d.%d", + ni->library->name, __GLIBC__, __GLIBC_MINOR__); + if (n >= shlen) + ni->library->lib_handle = NULL; + else + ni->library->lib_handle = __libc_dlopen (shlib_name); + + if (ni->library->lib_handle == NULL) + { + /* Ok, really fail now. */ + ni->library->lib_handle = (void *) -1l; + __set_errno (saved_errno); + } } # ifdef USE_NSCD else if (is_nscd)