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Diffstat (limited to 'coreutils/touch.c')
-rw-r--r--coreutils/touch.c67
1 files changed, 34 insertions, 33 deletions
diff --git a/coreutils/touch.c b/coreutils/touch.c
index f1c6dc4..c66f26e 100644
--- a/coreutils/touch.c
+++ b/coreutils/touch.c
@@ -21,6 +21,16 @@
*
*/
+/* BB_AUDIT SUSv3 _NOT_ compliant -- options -a, -m, -r, -t not supported. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/touch.html */
+
+/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
+ *
+ * Previous version called open() and then utime(). While this will be
+ * be necessary to implement -r and -t, it currently only makes things bigger.
+ * Also, exiting on a failure was a bug. All args should be processed.
+ */
+
#include <stdio.h>
#include <sys/types.h>
#include <fcntl.h>
@@ -33,44 +43,35 @@
extern int touch_main(int argc, char **argv)
{
int fd;
- int create = TRUE;
+ int flags;
+ int status = EXIT_SUCCESS;
- /* Parse options */
- while (--argc > 0 && **(++argv) == '-') {
- while (*(++(*argv))) {
- switch (**argv) {
- case 'c':
- create = FALSE;
- break;
- default:
- show_usage();
- }
- }
- }
+ flags = bb_getopt_ulflags(argc, argv, "c");
+
+ argv += optind;
- if (argc < 1) {
- show_usage();
+ if (!*argv) {
+ bb_show_usage();
}
- while (argc > 0) {
- fd = open(*argv, create ? O_RDWR | O_CREAT : O_RDWR,
- S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH);
- if (fd < 0) {
- if (! create && errno == ENOENT) {
- argc--;
- argv++;
- continue;
- } else {
- perror_msg_and_die("%s", *argv);
- }
- }
- close(fd);
+ do {
if (utime(*argv, NULL)) {
- perror_msg_and_die("%s", *argv);
+ if (errno == ENOENT) { /* no such file*/
+ if (flags & 1) { /* Creation is disabled, so ignore. */
+ continue;
+ }
+ /* Try to create the file. */
+ fd = open(*argv, O_RDWR | O_CREAT,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH
+ );
+ if ((fd >= 0) && !close(fd)) {
+ continue;
+ }
+ }
+ status = EXIT_FAILURE;
+ bb_perror_msg("%s", *argv);
}
- argc--;
- argv++;
- }
+ } while (*++argv);
- return EXIT_SUCCESS;
+ return status;
}