From 5a0a2aa00be4a19dd52b65b70c7cc6d944a5aef6 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Fri, 2 Jun 2000 23:26:44 +0000 Subject: Fix touch so it behaves itself (it could segfault in some cases). Fix uname help info formatting. -Erik --- touch.c | 52 +++++++++++++++++++++++++++------------------------- 1 file changed, 27 insertions(+), 25 deletions(-) (limited to 'touch.c') diff --git a/touch.c b/touch.c index 207692826..1364bb7d5 100644 --- a/touch.c +++ b/touch.c @@ -33,26 +33,21 @@ 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" + "\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) { 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; @@ -61,23 +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); + + exit(TRUE); } -- cgit v1.2.3