diff options
Diffstat (limited to 'toys/touch.c')
-rw-r--r-- | toys/touch.c | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/toys/touch.c b/toys/touch.c deleted file mode 100644 index bead28fb..00000000 --- a/toys/touch.c +++ /dev/null @@ -1,108 +0,0 @@ -/* vi: set sw=4 ts=4: - * - * touch.c - Modify a file's timestamps. - * - * Copyright (C) 2007 Charlie Shepherd <masterdriverz@gentoo.org> - * - * See http://www.opengroup.org/onlinepubs/009695399/utilities/touch.html - -USE_TOUCH(NEWTOY(touch, "l#t:r:mca", TOYFLAG_BIN|TOYFLAG_UMASK)) - -config TOUCH - bool "touch" - default y - help - usage: touch [-acm] [-r FILE] [-t MMDDhhmm] [-l bytes] FILE... - - Change file timestamps, ensure file existance and change file length. - - -a Only change the access time. - -c Do not create the file if it doesn't exist. - -l Length to truncate (or sparsely extend) file to. - -m Only change the modification time. - -r Reference file to take timestamps from. - -t Time to change {a,m}time to. -*/ - -#include "toys.h" - -DEFINE_GLOBALS( - char *ref_file; - char *time; - long length; -) - -#define TT this.touch - -#define OPT_MTIME 0x01 -#define OPT_NOCREATE 0x02 -#define OPT_ATIME 0x04 -#define OPT_REFERENCE 0x08 -#define OPT_TIME 0x10 -#define OPT_LENGTH 0x20 - -void touch_main(void) -{ - char *arg; - int i, set_a, set_m; - time_t curr_a, curr_m; - - set_a = !!(toys.optflags & OPT_ATIME); - set_m = !!(toys.optflags & OPT_MTIME); - - // Use timestamp on a file - if (toys.optflags & OPT_REFERENCE) { - struct stat sb; - - if (toys.optflags & OPT_TIME) - error_exit("Redundant time source"); - xstat(TT.ref_file, &sb); - curr_m = sb.st_mtime; - curr_a = sb.st_atime; - - // Use time specified on command line. - } else if (toys.optflags & OPT_TIME) { - struct tm t; - time_t curr; - char *c; - - curr = time(NULL); - if (localtime_r(&curr, &t) - || !(c = strptime(TT.time, "%m%d%H%M", &t)) - || *c || -1==(curr_a = curr_m = mktime(&t))) - { - error_exit("Unknown time %s", TT.time); - } - - // use current time - } else curr_m = curr_a = time(NULL); - - for (i = 0; (arg = toys.optargs[i]); i++) { - struct utimbuf buf; - struct stat sb; - - buf.modtime = curr_m; - buf.actime = curr_a; - - if (stat(arg, &sb)) { - if (!(toys.optflags & OPT_NOCREATE)) { - xcreate(arg, O_CREAT, 0644); - if (stat(arg, &sb)) - goto error; - } - } - - if ((set_a+set_m) == 1) { - /* We've been asked to only change one */ - if (set_a) buf.modtime = sb.st_mtime; - else if (set_m) buf.actime = sb.st_atime; - } - - if (toys.optflags & OPT_LENGTH) - if (truncate(arg, TT.length)) - goto error; - if (utime(arg, &buf)) -error: - perror_exit(arg); - } -} |