static struct daemon the_daemon, *me = &the_daemon;
-/**
- * Activate default log colors.
- *
- * This should be called early if color support is wanted.
- */
-void daemon_set_default_log_colors(void)
+static void daemon_set_default_log_colors(void)
{
int i;
static const char *default_log_colors[NUM_LOGLEVELS] = {
color_parse_or_die(default_log_colors[i], me->log_colors[i]);
}
-/**
+/*
* Set the color for one loglevel.
*
- * \param arg The loglevel/color specifier.
- *
- * \a arg must be of the form "ll:[fg [bg]] [attr]".
+ * arg must be of the form "ll:[fg [bg]] [attr]".
*/
-void daemon_set_log_color_or_die(char const *arg)
+static void daemon_set_log_color_or_die(char const *arg)
{
char *p = strchr(arg, ':');
int ret, ll;
exit(EXIT_FAILURE);
}
+/**
+ * Initialize color mode if necessary.
+ *
+ * \param color_arg The argument given to --color.
+ * \param color_arg_auto The value for automatic color detection.
+ * \param color_arg_no The value to disable colored log messages.
+ * \param logfile_given In auto mode colors are disabled if this value is true.
+ * \param log_color_argv Color specifiers given to --log-color.
+ * \param argc Number of color specifiers in \a log_color_argv.
+ *
+ * If \a color_arg equals \a color_arg_no, color mode is disabled, i.e., calls
+ * to \a para_log() will not produce colored output. If \a color_arg == \a
+ * color_arg_auto, the function autodetects whether to activate colors.
+ * Otherwise color mode is enabled.
+ *
+ * If color mode is to be enabled, the strings in \a log_color_argv are parsed
+ * and the color scheme is updated accordingly. For each loglevel, the default
+ * colors apply if there is no log_color_argv for this loglevel.
+ */
+void daemon_init_colors_or_die(int color_arg, int color_arg_auto,
+ int color_arg_no, bool logfile_given, char **log_color_argv,
+ int argc)
+{
+ int i;
+
+ if (color_arg == color_arg_no)
+ return;
+ if (color_arg == color_arg_auto) {
+ if (logfile_given)
+ return;
+ if (!isatty(STDERR_FILENO))
+ return;
+ }
+ daemon_set_flag(DF_COLOR_LOG);
+ daemon_set_default_log_colors();
+ for (i = 0; i < argc; i++)
+ daemon_set_log_color_or_die(log_color_argv[i]);
+}
+
/**
* Init or change the name of the log file.
*
goto err;
if (chdir("/") < 0)
goto err;
- null = open("/dev/null", O_RDONLY);
+ null = open("/dev/null", O_RDWR);
if (null < 0)
goto err;
if (dup2(null, STDIN_FILENO) < 0)
/**
* Log the startup message containing the paraslash version.
+ *
+ * \param name The name of the executable.
+ *
+ * First the given \a name is prefixed with the string "para_". Next the git
+ * version is appended. The resulting string is logged with priority "INFO".
*/
-void daemon_log_welcome(const char *whoami)
+void daemon_log_welcome(const char *name)
{
- PARA_INFO_LOG("welcome to %s " PACKAGE_VERSION " ("BUILD_DATE")\n",
- whoami);
+ PARA_INFO_LOG("welcome to para_%s-" PACKAGE_VERSION " \n", name);
}
/**