From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Tue, 13 Mar 2018 22:46:14 +0000 (+0100)
Subject: print_fields.h: add PRINT_FIELD_U64 for printing u64 with UINT64_MAX handling
X-Git-Tag: v4.23~325
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=59819338ab4533bb8c70f8a5132f9908b9cac5f6;p=strace

print_fields.h: add PRINT_FIELD_U64 for printing u64 with UINT64_MAX handling

* print_fields.h (PRINT_FIELD_U64): New macro.
---

diff --git a/print_fields.h b/print_fields.h
index 0b810d5c..99c0cc13 100644
--- a/print_fields.h
+++ b/print_fields.h
@@ -106,6 +106,16 @@
 
 #define PRINT_FIELD_UID PRINT_FIELD_ID
 
+#define PRINT_FIELD_U64(prefix_, where_, field_)					\
+	do {										\
+		STRACE_PRINTF("%s%s=", (prefix_), #field_);				\
+		if (zero_extend_signed_to_ull((where_).field_) == UINT64_MAX)		\
+			print_xlat_ex(UINT64_MAX, "UINT64_MAX", XLAT_STYLE_FMT_U);	\
+		else									\
+			STRACE_PRINTF("%llu",						\
+				      zero_extend_signed_to_ull((where_).field_));	\
+	} while (0)
+
 #define PRINT_FIELD_STRING(prefix_, where_, field_, len_, style_)	\
 	do {								\
 		STRACE_PRINTF("%s%s=", (prefix_), #field_);		\