From 6db311fdc82f25bfdedd2b5f97a185f05ee10d09 Mon Sep 17 00:00:00 2001
From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Sun, 25 Aug 2024 04:56:43 +0900
Subject: [PATCH] conf-parser: introduce config_parse_uint32_flag()

This is not used currently, but will be used later.
---
 src/shared/conf-parser.c | 29 +++++++++++++++++++++++++++++
 src/shared/conf-parser.h |  1 +
 2 files changed, 30 insertions(+)

diff --git a/src/shared/conf-parser.c b/src/shared/conf-parser.c
index d33ee8a9b0f..ac0df88b4d5 100644
--- a/src/shared/conf-parser.c
+++ b/src/shared/conf-parser.c
@@ -1008,6 +1008,35 @@ int config_parse_bool(
         return 1; /* set */
 }
 
+int config_parse_uint32_flag(
+                const char *unit,
+                const char *filename,
+                unsigned line,
+                const char *section,
+                unsigned section_line,
+                const char *lvalue,
+                int ltype,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+
+        uint32_t *flags = ASSERT_PTR(data);
+        int r;
+
+        assert(ltype != 0);
+
+        r = isempty(rvalue) ? 0 : parse_boolean(rvalue);
+        if (r < 0) {
+                log_syntax(unit, LOG_WARNING, filename, line, r,
+                           "Failed to parse %s=%s. Ignoring assignment: %m",
+                           lvalue, rvalue);
+                return 0;
+        }
+
+        SET_FLAG(*flags, ltype, r);
+        return 1;
+}
+
 int config_parse_id128(
                 const char *unit,
                 const char *filename,
diff --git a/src/shared/conf-parser.h b/src/shared/conf-parser.h
index 94f81a3bd63..ad40c6224c5 100644
--- a/src/shared/conf-parser.h
+++ b/src/shared/conf-parser.h
@@ -254,6 +254,7 @@ CONFIG_PARSER_PROTOTYPE(config_parse_si_uint64);
 CONFIG_PARSER_PROTOTYPE(config_parse_iec_uint64);
 CONFIG_PARSER_PROTOTYPE(config_parse_iec_uint64_infinity);
 CONFIG_PARSER_PROTOTYPE(config_parse_bool);
+CONFIG_PARSER_PROTOTYPE(config_parse_uint32_flag);
 CONFIG_PARSER_PROTOTYPE(config_parse_id128);
 CONFIG_PARSER_PROTOTYPE(config_parse_tristate);
 CONFIG_PARSER_PROTOTYPE(config_parse_string);