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| author | Stefan Metzmacher <metze@samba.org> | 2005-12-22 11:13:05 +0000 |
|---|---|---|
| committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 13:47:38 -0500 |
| commit | d04ef04c7abea3692b1dc507e1f958f6a2777071 (patch) | |
| tree | 638265773a508e9d4b6defa26cc9fb84ec7b1b3e /source4/lib/time.c | |
| parent | 7448b93a2e7a21fe2233706fc7b7ced1e98a41d3 (diff) | |
| download | samba-d04ef04c7abea3692b1dc507e1f958f6a2777071.tar.gz samba-d04ef04c7abea3692b1dc507e1f958f6a2777071.tar.bz2 samba-d04ef04c7abea3692b1dc507e1f958f6a2777071.zip | |
r12431: - the TIME_T_MAX needs to be a singed max value
- fix the calculation of TIME_T_MAX -> nttime -> TIME_T_MAX
metze
(This used to be commit 9caf4b9a42b02db85b3eb233c74316dcccb12537)
Diffstat (limited to 'source4/lib/time.c')
| -rw-r--r-- | source4/lib/time.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/source4/lib/time.c b/source4/lib/time.c index c9cf0b9630..b8ef3d7724 100644 --- a/source4/lib/time.c +++ b/source4/lib/time.c @@ -23,13 +23,26 @@ #include "includes.h" #include "system/time.h" +#ifndef CHAR_BIT +# define CHAR_BIT 8 +#endif + +/* The extra casts work around common compiler bugs. */ +#define _TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) +/* The outer cast is needed to work around a bug in Cray C 5.0.3.0. + It is necessary at least when t == time_t. */ +#define _TYPE_MINIMUM(t) ((t) (_TYPE_SIGNED (t) \ + ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0)) +#define _TYPE_MAXIMUM(t) ((t) (~ (t) 0 - _TYPE_MINIMUM (t))) + #ifndef TIME_T_MIN #define TIME_T_MIN 0 #endif #ifndef TIME_T_MAX -#define TIME_T_MAX (~(time_t)0) +#define TIME_T_MAX _TYPE_MAXIMUM (time_t) #endif - + + /******************************************************************* External access to time_t_min and time_t_max. ********************************************************************/ @@ -69,7 +82,7 @@ time_t nt_time_to_unix(NTTIME nt) nt /= 1000*1000*10; nt -= TIME_FIXUP_CONSTANT; - if (TIME_T_MIN >= nt || nt >= TIME_T_MAX) { + if (TIME_T_MIN > nt || nt > TIME_T_MAX) { return 0; } |