X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Fcommon.h;h=70a925c912d7a8f073c4f7bc6d630d181cbed263;hb=d659cbaccdc1f3279c49107cf15f15a639738529;hp=e6860a105463c4419a27906a22f90bcccb7b3666;hpb=f6445e4ed68362950e8c83b60eed09871982fbe1;p=chaz%2Ftar diff --git a/src/common.h b/src/common.h index e6860a1..70a925c 100644 --- a/src/common.h +++ b/src/common.h @@ -23,19 +23,12 @@ /* The checksum field is filled with this while the checksum is computed. */ #define CHKBLANKS " " /* 8 blanks, no null */ -/* Old GNU stores zero-terminated file name */ -#define OLDGNU_NAME_FIELD_SIZE 99 - /* Some constants from POSIX are given names. */ #define NAME_FIELD_SIZE 100 #define PREFIX_FIELD_SIZE 155 #define UNAME_FIELD_SIZE 32 #define GNAME_FIELD_SIZE 32 -/* FIXME */ -#define MAXOCTAL11 017777777777L -#define MAXOCTAL7 07777777 - /* Some various global definitions. */ @@ -185,10 +178,6 @@ GLOBAL mode_t initial_umask; GLOBAL bool multi_volume_option; -/* The same variable holds the time, whether mtime or ctime. Just fake a - non-existing option, for making the code clearer, elsewhere. */ -#define newer_ctime_option newer_mtime_option - /* Specified threshold date and time. Files having an older time stamp do not get archived (also see after_date_option above). */ GLOBAL struct timespec newer_mtime_option; @@ -199,9 +188,14 @@ GLOBAL struct timespec newer_mtime_option; /* Return true if the struct stat ST's M time is less than newer_mtime_option. */ #define OLDER_STAT_TIME(st, m) \ - ((st).st_##m##time < newer_mtime_option.tv_sec \ - || ((st).st_##m##time == newer_mtime_option.tv_sec \ - && TIMESPEC_NS ((st).st_##m##tim) < newer_mtime_option.tv_nsec)) + timespec_lt (get_stat_##m##time (&st), newer_mtime_option) + +/* Return true if A < B. */ +static inline +timespec_lt (struct timespec a, struct timespec b) +{ + return a.tv_sec < b.tv_sec || (a.tv_sec == b.tv_sec && a.tv_nsec < b.tv_nsec); +} /* Zero if there is no recursion, otherwise FNM_LEADING_DIR. */ GLOBAL int recursion_option; @@ -281,12 +275,7 @@ GLOBAL int archive; GLOBAL bool dev_null_output; /* Timestamp for when we started execution. */ -#if HAVE_CLOCK_GETTIME - GLOBAL struct timespec start_timespec; -# define start_time (start_timespec.tv_sec) -#else - GLOBAL time_t start_time; -#endif +GLOBAL struct timespec start_time; GLOBAL struct tar_stat_info current_stat_info; @@ -410,7 +399,7 @@ void size_to_chars (size_t, char *, size_t); void time_to_chars (time_t, char *, size_t); void uid_to_chars (uid_t, char *, size_t); void uintmax_to_chars (uintmax_t, char *, size_t); -void string_to_chars (char *, char *, size_t); +void string_to_chars (char const *, char *, size_t); /* Module diffarch.c. */ @@ -464,7 +453,7 @@ extern size_t recent_long_link_blocks; void decode_header (union block *, struct tar_stat_info *, enum archive_format *, int); -char const *tartime (time_t); +char const *tartime (struct timespec, bool); #define GID_FROM_HEADER(where) gid_from_header (where, sizeof (where)) #define MAJOR_FROM_HEADER(where) major_from_header (where, sizeof (where)) @@ -505,6 +494,8 @@ void assign_string (char **, const char *); char *quote_copy_string (const char *); int unquote_string (char *); +void code_ns_fraction (int, char *); + size_t dot_dot_prefix_len (char const *); enum remove_option @@ -621,7 +612,6 @@ void xheader_set_option (char *string); /* Module system.c */ -void sys_stat_nanoseconds (struct tar_stat_info *); void sys_detect_dev_null_output (void); void sys_save_archive_dev_ino (void); void sys_drain_input_pipe (void); @@ -654,3 +644,120 @@ bool sparse_diff_file (int, struct tar_stat_info *); /* Module utf8.c */ bool string_ascii_p (const char *str); bool utf8_convert (bool to_utf, char const *input, char **output); + + +/* FIXME: The following should get moved into gnulib. */ + +static inline struct timespec +get_stat_atime (struct stat const *st) +{ +#if defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC + return st->st_atim; +#elif defined HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC + return st->st_atimespec; +#else + struct timespec t; + t.tv_sec = st->st_atime; +# if defined HAVE_STRUCT_STAT_ST_ATIMENSEC + t.tv_nsec = st->stat.st_atimensec; +# elif defined HAVE_STRUCT_STAT_ST_SPARE1 + t.tv_nsec = st->stat.st_spare1 * 1000; +# else + t.tv_nsec = 0; +# endif + return t; +#endif +} + +static inline struct timespec +get_stat_ctime (struct stat const *st) +{ +#if defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC + return st->st_ctim; +#elif defined HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC + return st->st_ctimespec; +#else + struct timespec t; + t.tv_sec = st->st_ctime; +# if defined HAVE_STRUCT_STAT_ST_ATIMENSEC + t.tv_nsec = st->stat.st_ctimensec; +# elif defined HAVE_STRUCT_STAT_ST_SPARE1 + t.tv_nsec = st->stat.st_spare1 * 1000; +# else + t.tv_nsec = 0; +# endif + return t; +#endif +} + +static inline struct timespec +get_stat_mtime (struct stat const *st) +{ +#if defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC + return st->st_mtim; +#elif defined HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC + return st->st_mtimespec; +#else + struct timespec t; + t.tv_sec = st->st_mtime; +# if defined HAVE_STRUCT_STAT_ST_ATIMENSEC + t.tv_nsec = st->stat.st_mtimensec; +# elif defined HAVE_STRUCT_STAT_ST_SPARE1 + t.tv_nsec = st->stat.st_spare1 * 1000; +# else + t.tv_nsec = 0; +# endif + return t; +#endif +} + +static inline void +set_stat_atime (struct stat *st, struct timespec t) +{ +#if defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC + st->st_atim = t; +#elif defined HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC + st->st_atimespec = t; +#else + st->st_atime = t.tv_sec; +# if defined HAVE_STRUCT_STAT_ST_ATIMENSEC + st->stat.st_atimensec = t.tv_nsec; +# elif defined HAVE_STRUCT_STAT_ST_SPARE1 + st->stat.st_spare1 = t.tv_nsec / 1000; +# endif +#endif +} + +static inline void +set_stat_ctime (struct stat *st, struct timespec t) +{ +#if defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC + st->st_ctim = t; +#elif defined HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC + st->st_ctimespec = t; +#else + st->st_ctime = t.tv_sec; +# if defined HAVE_STRUCT_STAT_ST_ATIMENSEC + st->stat.st_ctimensec = t.tv_nsec; +# elif defined HAVE_STRUCT_STAT_ST_SPARE1 + st->stat.st_spare1 = t.tv_nsec / 1000; +# endif +#endif +} + +static inline void +set_stat_mtime (struct stat *st, struct timespec t) +{ +#if defined HAVE_STRUCT_STAT_ST_ATIM_TV_NSEC + st->st_mtim = t; +#elif defined HAVE_STRUCT_STAT_ST_ATIMESPEC_TV_NSEC + st->st_mtimespec = t; +#else + st->st_mtime = t.tv_sec; +# if defined HAVE_STRUCT_STAT_ST_ATIMENSEC + st->stat.st_mtimensec = t.tv_nsec; +# elif defined HAVE_STRUCT_STAT_ST_SPARE1 + st->stat.st_spare1 = t.tv_nsec / 1000; +# endif +#endif +}