diff options
Diffstat (limited to 'shell/hush.c')
| -rw-r--r-- | shell/hush.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/shell/hush.c b/shell/hush.c index 72589fd..edb6774 100644 --- a/shell/hush.c +++ b/shell/hush.c @@ -6742,24 +6742,33 @@ static int builtin_source(char **argv) static int builtin_umask(char **argv) { - mode_t new_umask; - const char *arg = argv[1]; - if (arg) { -//TODO: umask may take chmod-like symbolic masks - new_umask = bb_strtou(arg, NULL, 8); - if (errno) { - //Message? bash examples: - //bash: umask: 'q': invalid symbolic mode operator - //bash: umask: 999: octal number out of range - return EXIT_FAILURE; + int rc; + mode_t mask; + + mask = umask(0); + if (argv[1]) { + mode_t old_mask = mask; + + mask ^= 0777; + rc = bb_parse_mode(argv[1], &mask); + mask ^= 0777; + if (rc == 0) { + mask = old_mask; + /* bash messages: + * bash: umask: 'q': invalid symbolic mode operator + * bash: umask: 999: octal number out of range + */ + bb_error_msg("%s: '%s' invalid mode", argv[0], argv[1]); } } else { - new_umask = umask(0); - printf("%.3o\n", (unsigned) new_umask); - /* fall through and restore new_umask which we set to 0 */ + rc = 1; + /* Mimic bash */ + printf("%04o\n", (unsigned) mask); + /* fall through and restore mask which we set to 0 */ } - umask(new_umask); - return EXIT_SUCCESS; + umask(mask); + + return !rc; /* rc != 0 - success */ } /* http://www.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#unset */ |