Added support for ignoring '-g' per GNU ls, thanks to David Vrabel

[oweals/busybox.git] / touch.c

diff --git a/touch.c b/touch.c
index f8972dcf6912ccdb42e07164716a92fef94b0e1e..f52bb0284202ddea81bfa48a923c82f11b41493c 100644 (file)
--- a/touch.c
+++ b/touch.c
@@ -31,10 +31,13 @@
 #include <errno.h>
 
 
-static const char touch_usage[] = "touch [-c] file [file ...]\n\n"
-
-       "Update the last-modified date on the given file[s].\n";
-
+static const char touch_usage[] = "touch [-c] file [file ...]\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+       "\nUpdate the last-modified date on the given file[s].\n\n"
+       "Options:\n"
+       "\t-c\tDo not create any files\n"
+#endif
+       ;
 
 
 extern int touch_main(int argc, char **argv)
@@ -42,15 +45,9 @@ extern int touch_main(int argc, char **argv)
        int fd;
        int create = TRUE;
 
-       if (argc < 2) {
-               usage(touch_usage);
-       }
-       argc--;
-       argv++;
-
        /* Parse options */
-       while (**argv == '-') {
-               while (*++(*argv))
+       while (--argc > 0 && **(++argv) == '-') {
+               while (*(++(*argv))) {
                        switch (**argv) {
                        case 'c':
                                create = FALSE;
@@ -59,23 +56,30 @@ extern int touch_main(int argc, char **argv)
                                usage(touch_usage);
                                exit(FALSE);
                        }
-               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);
+       if (argc < 1) {
+               usage(touch_usage);
+       }
+
+       while (argc > 0) {
+               fd = open(*argv, (create == FALSE) ? O_RDWR : O_RDWR | O_CREAT,
+                               S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
+               if (fd < 0) {
+                       if (create == FALSE && errno == ENOENT)
+                               exit(TRUE);
+                       else {
+                               fatalError("touch: %s", strerror(errno));
+                       }
                }
+               close(fd);
+               if (utime(*argv, NULL)) {
+                       fatalError("touch: %s", strerror(errno));
+               }
+               argc--;
+               argv++;
        }
-       close(fd);
-       if (utime(*argv, NULL)) {
-               perror("touch");
-               exit(FALSE);
-       } else
-               exit(TRUE);
+
+       return(TRUE);
 }