implemented numeric sort (sort -g)

[oweals/busybox.git] / touch.c

diff --git a/touch.c b/touch.c
index ca4b981081143b8bda4e2d98e07874dadafb19f7..d2d3e948405c102702d4de42f62e80d5d8d0267c 100644 (file)
--- a/touch.c
+++ b/touch.c
@@ -1,20 +1,86 @@
+/*
+ * Mini touch implementation for busybox
+ *
+ *
+ * Copyright (C) 1999 by Lineo, inc.
+ * Written by Erik Andersen <andersen@lineo.com>, <andersee@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
 #include "internal.h"
-#include <sys/types.h>
 #include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 #include <utime.h>
+#include <errno.h>
+
 
-const char     touch_usage[] = "touch [-c] file [file ...]\n"
-"\n"
-"\tUpdate the last-modified date on the given file[s].\n";
+static const char touch_usage[] = "touch [-c] file [file ...]\n\n"
+"Update the last-modified date on the given file[s].\n";
 
-extern int
-touch_fn(const struct FileInfo * i)
+
+
+extern int 
+touch_main(int argc, char **argv)
 {
-       if ( (utime(i->source, 0) != 0) && (i->create != 1) ) {
-               if ( fopen(i->source, "w") == NULL ) {
-                       name_and_error(i->source);
-                       return 1;
-               }
+    int fd;
+    int create=TRUE;
+
+    if (argc < 2) {
+       usage( touch_usage);
+    }
+    argc--;
+    argv++;
+
+    /* Parse options */
+    while (**argv == '-') {
+       while (*++(*argv)) switch (**argv) {
+           case 'c':
+               create = FALSE;
+               break;
+           default:
+               usage( touch_usage);
+               exit( FALSE);
        }
-       return 0;
+       argc--;
+       argv++;
+    }
+
+    fd = open (*argv, (create==FALSE)? O_RDWR : O_RDWR | O_CREAT, 0644);
+    if (fd < 0 ) {
+       if (create==FALSE && errno == ENOENT)
+           exit( TRUE);
+       else {
+           perror("touch");
+           exit( FALSE);
+       }
+    }
+    close( fd);
+    if (utime (*argv, NULL)) {
+       perror("touch");
+       exit( FALSE);
+    }
+    else
+       exit( TRUE);
 }
+
+
+
+
+
+