[kvm-unit-tests v2 PATCH 1/2] lib: use a status enum for reporting pass/fail

[Bill Wendling <morbo@google.com>]

Some values passed into "report" as "pass/fail" are larger than the
size of the parameter. Instead use a status enum so that the size of the
argument no longer matters.

Signed-off-by: Bill Wendling <morbo@google.com>
---
 lib/libcflat.h | 13 +++++++++++--
 lib/report.c   | 24 ++++++++++++------------
 2 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/lib/libcflat.h b/lib/libcflat.h
index b6635d9..8765f67 100644
--- a/lib/libcflat.h
+++ b/lib/libcflat.h
@@ -95,13 +95,22 @@ extern int vsnprintf(char *buf, int size, const char *fmt, va_list va)
 extern int vprintf(const char *fmt, va_list va)
 					__attribute__((format(printf, 1, 0)));
 
+enum status { PASSED, FAILED };
+
+#define STATUS(x) ((x) != 0 ? PASSED : FAILED)
+
+#define report(msg_fmt, status, ...) \
+	report_status(msg_fmt, STATUS(status) __VA_OPT__(,) __VA_ARGS__)
+#define report_xfail(msg_fmt, xfail, status, ...) \
+	report_xfail_status(msg_fmt, xfail, STATUS(status) __VA_OPT__(,) __VA_ARGS__)
+
 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(const char *msg_fmt, unsigned pass, ...)
+extern void report_status(const char *msg_fmt, enum status status, ...)
 					__attribute__((format(printf, 1, 3)));
-extern void report_xfail(const char *msg_fmt, bool xfail, unsigned pass, ...)
+extern void report_xfail_status(const char *msg_fmt, bool xfail, enum status status, ...)
 					__attribute__((format(printf, 1, 4)));
 extern void report_abort(const char *msg_fmt, ...)
 					__attribute__((format(printf, 1, 2)))
diff --git a/lib/report.c b/lib/report.c
index 2a5f549..4ba2ac0 100644
--- a/lib/report.c
+++ b/lib/report.c
@@ -80,12 +80,12 @@ void report_prefix_pop(void)
 	spin_unlock(&lock);
 }
 
-static void va_report(const char *msg_fmt,
-		bool pass, bool xfail, bool skip, va_list va)
+static void va_report(const char *msg_fmt, enum status status, bool xfail,
+               bool skip, va_list va)
 {
 	const char *prefix = skip ? "SKIP"
-				  : xfail ? (pass ? "XPASS" : "XFAIL")
-					  : (pass ? "PASS"  : "FAIL");
+				  : xfail ? (status == PASSED ? "XPASS" : "XFAIL")
+					  : (status == PASSED ? "PASS"  : "FAIL");
 
 	spin_lock(&lock);
 
@@ -96,27 +96,27 @@ static void va_report(const char *msg_fmt,
 	puts("\n");
 	if (skip)
 		skipped++;
-	else if (xfail && !pass)
+	else if (xfail && status == FAILED)
 		xfailures++;
-	else if (xfail || !pass)
+	else if (xfail || status == FAILED)
 		failures++;
 
 	spin_unlock(&lock);
 }
 
-void report(const char *msg_fmt, unsigned pass, ...)
+void report_status(const char *msg_fmt, enum status status, ...)
 {
 	va_list va;
-	va_start(va, pass);
-	va_report(msg_fmt, pass, false, false, va);
+	va_start(va, status);
+	va_report(msg_fmt, status, false, false, va);
 	va_end(va);
 }
 
-void report_xfail(const char *msg_fmt, bool xfail, unsigned pass, ...)
+void report_xfail_status(const char *msg_fmt, bool xfail, enum status status, ...)
 {
 	va_list va;
-	va_start(va, pass);
-	va_report(msg_fmt, pass, xfail, false, va);
+	va_start(va, status);
+	va_report(msg_fmt, status, xfail, false, va);
 	va_end(va);
 }
 
-- 
2.23.0.700.g56cf767bdb-goog