[kvm-unit-tests PATCH v2 1/4] lib/report: Add helper methods to clear multiple prefixes

[James Raphael Tiovalen <jamestiotio@gmail.com>]

Add a method to pop a specified number of prefixes and another method to
clear all prefixes.

Suggested-by: Andrew Jones <andrew.jones@linux.dev>
Signed-off-by: James Raphael Tiovalen <jamestiotio@gmail.com>
---
 lib/libcflat.h |  2 ++
 lib/report.c   | 13 +++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/lib/libcflat.h b/lib/libcflat.h
index 16a83880..0286ddec 100644
--- a/lib/libcflat.h
+++ b/lib/libcflat.h
@@ -96,6 +96,8 @@ void report_prefix_pushf(const char *prefix_fmt, ...)
 					__attribute__((format(printf, 1, 2)));
 extern void report_prefix_push(const char *prefix);
 extern void report_prefix_pop(void);
+extern void report_prefix_popn(int n);
+extern void report_prefix_clear(void);
 extern void report(bool pass, const char *msg_fmt, ...)
 		__attribute__((format(printf, 2, 3), nonnull(2)));
 extern void report_xfail(bool xfail, bool pass, const char *msg_fmt, ...)
diff --git a/lib/report.c b/lib/report.c
index 7f3c4f05..d45afedc 100644
--- a/lib/report.c
+++ b/lib/report.c
@@ -80,6 +80,19 @@ void report_prefix_pop(void)
 	spin_unlock(&lock);
 }
 
+void report_prefix_popn(int n)
+{
+	while (n--)
+		report_prefix_pop();
+}
+
+void report_prefix_clear(void)
+{
+	spin_lock(&lock);
+	prefixes[0] = '\0';
+	spin_unlock(&lock);
+}
+
 static void va_report(const char *msg_fmt,
 		bool pass, bool xfail, bool kfail, bool skip, va_list va)
 {
-- 
2.43.0