+notmuch_status_t
+notmuch_config_get_bool (notmuch_database_t *notmuch, notmuch_config_key_t key, notmuch_bool_t *val)
+{
+ const char *key_string, *val_string;
+
+ key_string = _notmuch_config_key_to_string (key);
+ if (! key_string) {
+ return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
+ }
+
+ val_string = _notmuch_string_map_get (notmuch->config, key_string);
+ if (! val_string) {
+ *val = FALSE;
+ return NOTMUCH_STATUS_SUCCESS;
+ }
+
+ if (strcase_equal (val_string, "false") || strcase_equal (val_string, "no"))
+ *val = FALSE;
+ else if (strcase_equal (val_string, "true") || strcase_equal (val_string, "yes"))
+ *val = TRUE;
+ else
+ return NOTMUCH_STATUS_ILLEGAL_ARGUMENT;
+
+ return NOTMUCH_STATUS_SUCCESS;
+}
+
+static const char *
+_get_name_from_passwd_file (void *ctx)
+{
+ long pw_buf_size;
+ char *pw_buf;
+ struct passwd passwd, *ignored;
+ const char *name;
+ int e;
+
+ pw_buf_size = sysconf (_SC_GETPW_R_SIZE_MAX);
+ if (pw_buf_size == -1) pw_buf_size = 64;
+ pw_buf = (char *) talloc_size (ctx, pw_buf_size);
+
+ while ((e = getpwuid_r (getuid (), &passwd, pw_buf,
+ pw_buf_size, &ignored)) == ERANGE) {
+ pw_buf_size = pw_buf_size * 2;
+ pw_buf = (char *) talloc_zero_size (ctx, pw_buf_size);
+ }
+
+ if (e == 0) {
+ char *comma = strchr (passwd.pw_gecos, ',');
+ if (comma)
+ name = talloc_strndup (ctx, passwd.pw_gecos,
+ comma - passwd.pw_gecos);
+ else
+ name = talloc_strdup (ctx, passwd.pw_gecos);
+ } else {
+ name = talloc_strdup (ctx, "");
+ }
+
+ talloc_free (pw_buf);
+
+ return name;
+}
+
+static char *
+_get_username_from_passwd_file (void *ctx)
+{
+ long pw_buf_size;
+ char *pw_buf;
+ struct passwd passwd, *ignored;
+ char *name;
+ int e;
+
+ pw_buf_size = sysconf (_SC_GETPW_R_SIZE_MAX);
+ if (pw_buf_size == -1) pw_buf_size = 64;
+ pw_buf = (char *) talloc_zero_size (ctx, pw_buf_size);
+
+ while ((e = getpwuid_r (getuid (), &passwd, pw_buf,
+ pw_buf_size, &ignored)) == ERANGE) {
+ pw_buf_size = pw_buf_size * 2;
+ pw_buf = (char *) talloc_zero_size (ctx, pw_buf_size);
+ }
+
+ if (e == 0)
+ name = talloc_strdup (ctx, passwd.pw_name);
+ else
+ name = talloc_strdup (ctx, "");
+
+ talloc_free (pw_buf);
+
+ return name;
+}
+
+static const char *
+_get_email_from_passwd_file (void *ctx)
+{
+
+ char hostname[256];
+ struct hostent *hostent;
+ const char *domainname;
+ char *email;
+
+ char *username = _get_username_from_passwd_file (ctx);
+
+ gethostname (hostname, 256);
+ hostname[255] = '\0';
+
+ hostent = gethostbyname (hostname);
+ if (hostent && (domainname = strchr (hostent->h_name, '.')))
+ domainname += 1;
+ else
+ domainname = "(none)";
+
+ email = talloc_asprintf (ctx, "%s@%s.%s",
+ username, hostname, domainname);
+
+ talloc_free (username);
+ return email;
+}
+