rpm2cpio: handle bz2 too; code shrink
[oweals/busybox.git] / coreutils / touch.c
index 92f20235cd7d1ab381d8cc17ff1cecde93f46769..e79092fc1cf9bf2c35dbec55b72f14b7ed0ebb1d 100644 (file)
@@ -41,19 +41,40 @@ int touch_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int touch_main(int argc UNUSED_PARAM, char **argv)
 {
 #if ENABLE_DESKTOP
+# if ENABLE_LONG_OPTS
+       static const char touch_longopts[] ALIGN1 =
+               /* name, has_arg, val */
+               "no-create\0"         No_argument       "c"
+               "reference\0"         Required_argument "r"
+               "date\0"              Required_argument "d"
+       ;
+# endif
        struct utimbuf timebuf;
        char *reference_file = NULL;
+       char *date_str = NULL;
 #else
-#define reference_file NULL
-#define timebuf        (*(struct utimbuf*)NULL)
+# define reference_file NULL
+# define date_str       NULL
+# define timebuf        (*(struct utimbuf*)NULL)
 #endif
        int fd;
        int status = EXIT_SUCCESS;
-       int flags = getopt32(argv, "c" USE_DESKTOP("r:")
+       int opts;
+
+#if ENABLE_DESKTOP && ENABLE_LONG_OPTS
+       applet_long_options = touch_longopts;
+#endif
+       /* -d and -t both set time. In coreutils,
+        * accepted data format differs a bit between -d and -t.
+        * We accept the same formats for both */
+       opts = getopt32(argv, "c" IF_DESKTOP("r:d:t:")
                                /*ignored:*/ "fma"
-                               USE_DESKTOP(, &reference_file));
+                               IF_DESKTOP(, &reference_file)
+                               IF_DESKTOP(, &date_str)
+                               IF_DESKTOP(, &date_str)
+       );
 
-       flags &= 1; /* only -c bit is left */
+       opts &= 1; /* only -c bit is left */
        argv += optind;
        if (!*argv) {
                bb_show_usage();
@@ -66,10 +87,27 @@ int touch_main(int argc UNUSED_PARAM, char **argv)
                timebuf.modtime = stbuf.st_mtime;
        }
 
+       if (date_str) {
+               struct tm tm_time;
+               time_t t;
+
+               //time(&t);
+               //localtime_r(&t, &tm_time);
+               memset(&tm_time, 0, sizeof(tm_time));
+               parse_datestr(date_str, &tm_time);
+
+               /* Correct any day of week and day of year etc. fields */
+               tm_time.tm_isdst = -1;  /* Be sure to recheck dst */
+               t = validate_tm_time(date_str, &tm_time);
+
+               timebuf.actime = t;
+               timebuf.modtime = t;
+       }
+
        do {
                if (utime(*argv, reference_file ? &timebuf : NULL)) {
                        if (errno == ENOENT) { /* no such file */
-                               if (flags) { /* creation is disabled, so ignore */
+                               if (opts) { /* creation is disabled, so ignore */
                                        continue;
                                }
                                /* Try to create the file. */