fclose(f);
+ if (r[0] == 0)
+ return get_process_name(pid, line);
+
*line = r;
return 0;
}
return -ENOMEM;
r = mkdir(t, mode);
-
free(t);
if (r < 0 && errno != EEXIST)
if ((r = mkdir_parents(path, mode)) < 0)
return r;
- if (mkdir(path, mode) < 0)
+ if (mkdir(path, mode) < 0 && errno != EEXIST)
return -errno;
return 0;
char **replace_env_argv(char **argv, char **env) {
char **r, **i;
- unsigned k;
+ unsigned k = 0;
if (!(r = new(char*, strv_length(argv)+1)))
return NULL;
return r;
}
+int columns(void) {
+ static __thread int parsed_columns = 0;
+ const char *e;
+
+ if (parsed_columns > 0)
+ return parsed_columns;
+
+ if ((e = getenv("COLUMNS")))
+ parsed_columns = atoi(e);
+
+ if (parsed_columns <= 0) {
+ struct winsize ws;
+ zero(ws);
+
+ if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) >= 0)
+ parsed_columns = ws.ws_col;
+ }
+
+ if (parsed_columns <= 0)
+ parsed_columns = 80;
+
+ return parsed_columns;
+}
+
+int running_in_chroot(void) {
+ struct stat a, b;
+
+ zero(a);
+ zero(b);
+
+ /* Only works as root */
+
+ if (stat("/proc/1/root", &a) < 0)
+ return -errno;
+
+ if (stat("/", &b) < 0)
+ return -errno;
+
+ return
+ a.st_dev != b.st_dev ||
+ a.st_ino != b.st_ino;
+}
+
static const char *const ioprio_class_table[] = {
[IOPRIO_CLASS_NONE] = "none",
[IOPRIO_CLASS_RT] = "realtime",
};
DEFINE_STRING_TABLE_LOOKUP(ip_tos, int);
+
+static const char *const signal_table[] = {
+ [SIGHUP] = "HUP",
+ [SIGINT] = "INT",
+ [SIGQUIT] = "QUIT",
+ [SIGILL] = "ILL",
+ [SIGTRAP] = "TRAP",
+ [SIGABRT] = "ABRT",
+ [SIGBUS] = "BUS",
+ [SIGFPE] = "FPE",
+ [SIGKILL] = "KILL",
+ [SIGUSR1] = "USR1",
+ [SIGSEGV] = "SEGV",
+ [SIGUSR2] = "USR2",
+ [SIGPIPE] = "PIPE",
+ [SIGALRM] = "ALRM",
+ [SIGTERM] = "TERM",
+ [SIGSTKFLT] = "STKFLT",
+ [SIGCHLD] = "CHLD",
+ [SIGCONT] = "CONT",
+ [SIGSTOP] = "STOP",
+ [SIGTSTP] = "TSTP",
+ [SIGTTIN] = "TTIN",
+ [SIGTTOU] = "TTOU",
+ [SIGURG] = "URG",
+ [SIGXCPU] = "XCPU",
+ [SIGXFSZ] = "XFSZ",
+ [SIGVTALRM] = "VTALRM",
+ [SIGPROF] = "PROF",
+ [SIGWINCH] = "WINCH",
+ [SIGIO] = "IO",
+ [SIGPWR] = "PWR",
+ [SIGSYS] = "SYS"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(signal, int);