mgmtd: simplify xpath registries

- move from client id indexed array of uints for register info
  per client to a u64 bitmask.
- add bit walking FOREACH macro

Walk the client IDs whose bits are set in a mask.

Signed-off-by: Christian Hopps <chopps@labn.net>

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/frrstr.h b/lib/frrstr.h
index 19ba09e213..9a4fe257a2 100644
--- a/lib/frrstr.h
+++ b/lib/frrstr.h
@@ -3,6 +3,7 @@
  * FRR string processing utilities.
  * Copyright (C) 2018  Cumulus Networks, Inc.
  *                     Quentin Young
+ * Copyright (c) 2023, LabN Consulting, L.L.C.
  */
 
 #ifndef _FRRSTR_H_
@@ -166,6 +167,13 @@ int all_digit(const char *str);
  */
 char *frrstr_hex(char *buff, size_t bufsiz, const uint8_t *str, size_t num);
 
+
+/*
+ * Advance past a given char `skipc` in a string, while honoring quoting and
+ * backslash escapes (i.e., ignore `skipc` which occur in quoted sections).
+ */
+const char *frrstr_skip_over_char(const char *s, int skipc);
+
 #ifdef __cplusplus
 }
 #endif