}
/**
- * Investigate $HOME to get the home directory of the calling user.
+ * Return the expansion of $HOME/.paraslash.
*
- * \return A pointer to read-only memory that must not be freed by the caller.
- * If the environment variable HOME is unset or empty, the function prints an
- * error message and aborts.
+ * \return A pointer to memory that must not be freed by the caller. If the
+ * environment variable HOME is unset or empty, the function prints an error
+ * message and aborts.
*
* \sa getenv(3), getuid(2).
*/
-const char *get_homedir(void)
+const char *get_confdir(void)
{
- const char *home = getenv("HOME");
- if (home && *home)
- return home;
- PARA_EMERG_LOG("fatal: HOME is unset or empty");
- exit(EXIT_FAILURE);
+ static const char *dot_para;
+ const char *home;
+
+ if (dot_para)
+ return dot_para;
+ home = getenv("HOME");
+ if (!home || !*home) {
+ PARA_EMERG_LOG("fatal: HOME is unset or empty");
+ exit(EXIT_FAILURE);
+ }
+ dot_para = make_message("%s/.paraslash", home);
+ return dot_para;
}
/**