From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 6 Oct 2025 16:15:31 +0000 (+0000)
Subject: util: Add a helper function to walk through a buffer
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fbe9f29ab2c766ed16bf50f8bd2ba9a9de966717;p=telemetry.git

util: Add a helper function to walk through a buffer

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/daemon/util.c b/src/daemon/util.c
index bc9dc03..fcdda7b 100644
--- a/src/daemon/util.c
+++ b/src/daemon/util.c
@@ -121,3 +121,25 @@ int collecty_fwalk(FILE* f, collecty_fwalk_callback callback, void* data) {
 
 	return r;
 }
+
+int collecty_fwalk_buffer(const char* buffer, const size_t length,
+		collecty_fwalk_callback callback, void* data) {
+	FILE* f = NULL;
+	int r;
+
+	// Open as a file handle
+	f = fmemopen((char*)buffer, length, "r");
+	if (!f) {
+		r = -errno;
+		goto ERROR;
+	}
+
+	// Walk through all lines
+	r = collecty_fwalk(f, callback, data);
+
+ERROR:
+	if (f)
+		fclose(f);
+
+	return r;
+}
diff --git a/src/daemon/util.h b/src/daemon/util.h
index c50d507..e9ffa91 100644
--- a/src/daemon/util.h
+++ b/src/daemon/util.h
@@ -56,4 +56,7 @@ typedef int (*collecty_fwalk_callback)(const char* line, const size_t length, vo
 
 int collecty_fwalk(FILE* f, collecty_fwalk_callback callback, void* data);
 
+int collecty_fwalk_buffer(const char* buffer, const size_t length,
+	collecty_fwalk_callback callback, void* data);
+
 #endif /* COLLECTY_UTIL_H */