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author | Jeremy Allison <jra@samba.org> | 2009-07-08 12:28:01 -0700 |
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committer | Jeremy Allison <jra@samba.org> | 2009-07-08 12:28:01 -0700 |
commit | 58daaa3d1e7075b23c8709889be9b461c6c6c174 (patch) | |
tree | 2fce00700b5ddbf84577ca5ceb97a1ebc1608750 /source3/lib/system.c | |
parent | 7fd42d51c8b13d273b55823ee146967afacd7c88 (diff) | |
download | samba-58daaa3d1e7075b23c8709889be9b461c6c6c174.tar.gz samba-58daaa3d1e7075b23c8709889be9b461c6c6c174.tar.xz samba-58daaa3d1e7075b23c8709889be9b461c6c6c174.zip |
When faking a create time, use the full timespec values, not time_t.
Jeremy.
Diffstat (limited to 'source3/lib/system.c')
-rw-r--r-- | source3/lib/system.c | 124 |
1 files changed, 63 insertions, 61 deletions
diff --git a/source3/lib/system.c b/source3/lib/system.c index 9bd231af612..47bb5259ccb 100644 --- a/source3/lib/system.c +++ b/source3/lib/system.c @@ -291,67 +291,6 @@ int sys_fcntl_long(int fd, int cmd, long arg) } /**************************************************************************** - Return the best approximation to a 'create time' under UNIX from a stat - structure. -****************************************************************************/ - -static time_t calc_create_time(const struct stat *st) -{ - time_t ret, ret1; - - ret = MIN(st->st_ctime, st->st_mtime); - ret1 = MIN(ret, st->st_atime); - - if(ret1 != (time_t)0) { - return ret1; - } - - /* - * One of ctime, mtime or atime was zero (probably atime). - * Just return MIN(ctime, mtime). - */ - return ret; -} - -/**************************************************************************** - Return the 'create time' from a stat struct if it exists (birthtime) or else - use the best approximation. -****************************************************************************/ - -static struct timespec get_create_timespec(const struct stat *pst) -{ - struct timespec ret; - - if (S_ISDIR(pst->st_mode) && lp_fake_dir_create_times()) { - ret.tv_sec = 315493200L; /* 1/1/1980 */ - ret.tv_nsec = 0; - return ret; - } - -#if defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC) - ret = pst->st_birthtimespec; -#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC) - ret.tv_sec = pst->st_birthtime; - ret.tv_nsec = pst->st_birthtimenspec; -#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIME) - ret.tv_sec = pst->st_birthtime; - ret.tv_nsec = 0; -#else - ret.tv_sec = calc_create_time(pst); - ret.tv_nsec = 0; -#endif - - /* Deal with systems that don't initialize birthtime correctly. - * Pointed out by SATOH Fumiyasu <fumiyas@osstech.jp>. - */ - if (null_timespec(ret)) { - ret.tv_sec = calc_create_time(pst); - ret.tv_nsec = 0; - } - return ret; -} - -/**************************************************************************** Get/Set all the possible time fields from a stat struct as a timespec. ****************************************************************************/ @@ -460,6 +399,69 @@ static struct timespec get_ctimespec(const struct stat *pst) #endif } +/**************************************************************************** + Return the best approximation to a 'create time' under UNIX from a stat + structure. +****************************************************************************/ + +static struct timespec calc_create_time(const struct stat *st) +{ + struct timespec ret, ret1; + struct timespec c_time = get_ctimespec(st); + struct timespec m_time = get_mtimespec(st); + struct timespec a_time = get_atimespec(st); + + ret = timespec_compare(&c_time, &m_time) < 0 ? c_time : m_time; + ret1 = timespec_compare(&ret, &a_time) < 0 ? ret : a_time; + + if(!null_timespec(ret1)) { + return ret1; + } + + /* + * One of ctime, mtime or atime was zero (probably atime). + * Just return MIN(ctime, mtime). + */ + return ret; +} + +/**************************************************************************** + Return the 'create time' from a stat struct if it exists (birthtime) or else + use the best approximation. +****************************************************************************/ + +static struct timespec get_create_timespec(const struct stat *pst) +{ + struct timespec ret; + + if (S_ISDIR(pst->st_mode) && lp_fake_dir_create_times()) { + ret.tv_sec = 315493200L; /* 1/1/1980 */ + ret.tv_nsec = 0; + return ret; + } + +#if defined(HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC) + ret = pst->st_birthtimespec; +#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC) + ret.tv_sec = pst->st_birthtime; + ret.tv_nsec = pst->st_birthtimenspec; +#elif defined(HAVE_STRUCT_STAT_ST_BIRTHTIME) + ret.tv_sec = pst->st_birthtime; + ret.tv_nsec = 0; +#else + ret = calc_create_time(pst); +#endif + + /* Deal with systems that don't initialize birthtime correctly. + * Pointed out by SATOH Fumiyasu <fumiyas@osstech.jp>. + */ + if (null_timespec(ret)) { + ret = calc_create_time(pst); + } + return ret; +} + + static void init_stat_ex_from_stat (struct stat_ex *dst, const struct stat *src) { |