diff options
Diffstat (limited to 'src/basic/terminal-util.c')
| -rw-r--r-- | src/basic/terminal-util.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/src/basic/terminal-util.c b/src/basic/terminal-util.c index f0a46c48cf..eafdea9eb3 100644 --- a/src/basic/terminal-util.c +++ b/src/basic/terminal-util.c @@ -39,6 +39,7 @@ #include <unistd.h> #include "alloc-util.h" +#include "env-util.h" #include "fd-util.h" #include "fileio.h" #include "fs-util.h" @@ -345,12 +346,7 @@ int open_terminal(const char *name, int mode) { } r = isatty(fd); - if (r < 0) { - safe_close(fd); - return -errno; - } - - if (!r) { + if (r == 0) { safe_close(fd); return -ENOTTY; } @@ -1191,12 +1187,9 @@ int open_terminal_in_namespace(pid_t pid, const char *name, int mode) { return receive_one_fd(pair[0], 0); } -bool terminal_is_dumb(void) { +static bool getenv_terminal_is_dumb(void) { const char *e; - if (!on_tty()) - return true; - e = getenv("TERM"); if (!e) return true; @@ -1204,15 +1197,25 @@ bool terminal_is_dumb(void) { return streq(e, "dumb"); } +bool terminal_is_dumb(void) { + if (!on_tty()) + return true; + + return getenv_terminal_is_dumb(); +} + bool colors_enabled(void) { static int enabled = -1; if (_unlikely_(enabled < 0)) { - const char *colors; - - colors = getenv("SYSTEMD_COLORS"); - if (colors) - enabled = parse_boolean(colors) != 0; + int val; + + val = getenv_bool("SYSTEMD_COLORS"); + if (val >= 0) + enabled = val; + else if (getpid() == 1) + /* PID1 outputs to the console without holding it open all the time */ + enabled = !getenv_terminal_is_dumb(); else enabled = !terminal_is_dumb(); } |