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From 28a4b5dd0895ba41d1327dcaf824f8adffea73f7 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Wed, 12 Mar 2014 22:26:22 +0100
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Subject: [PATCH] macro: make sure we can use IN_SET() also with complex
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 function calls as first argument
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(cherry-picked from dc36d78e)
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Resolves: #1147524
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---
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 src/shared/macro.h   | 9 +++++----
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 src/test/test-util.c | 1 -
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 2 files changed, 5 insertions(+), 5 deletions(-)
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diff --git a/src/shared/macro.h b/src/shared/macro.h
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index 27a02d4..21039eb 100644
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--- a/src/shared/macro.h
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+++ b/src/shared/macro.h
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@@ -287,13 +287,14 @@ do {                                                                    \
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 #define SET_FLAG(v, flag, b) \
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         (v) = (b) ? ((v) | (flag)) : ((v) & ~(flag))
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-#define IN_SET(x, ...)                                                  \
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+#define IN_SET(x, y, ...)                                               \
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         ({                                                              \
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-                const typeof(x) _x = (x);                               \
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+                const typeof(y) _y = (y);                               \
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+                const typeof(_y) _x = (x);                              \
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                 unsigned _i;                                            \
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                 bool _found = false;                                    \
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-                for (_i = 0; _i < sizeof((const typeof(_x)[]) { __VA_ARGS__ })/sizeof(const typeof(_x)); _i++) \
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-                        if (((const typeof(_x)[]) { __VA_ARGS__ })[_i] == _x) { \
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+                for (_i = 0; _i < 1 + sizeof((const typeof(_x)[]) { __VA_ARGS__ })/sizeof(const typeof(_x)); _i++) \
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+                        if (((const typeof(_x)[]) { _y, __VA_ARGS__ })[_i] == _x) { \
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                                 _found = true;                          \
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                                 break;                                  \
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                         }                                               \
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diff --git a/src/test/test-util.c b/src/test/test-util.c
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index c5762ed..8527f13 100644
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--- a/src/test/test-util.c
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+++ b/src/test/test-util.c
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@@ -571,7 +571,6 @@ static void test_fstab_node_to_udev_node(void) {
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         assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
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         free(n);
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-
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         n = fstab_node_to_udev_node("PONIES=awesome");
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         puts(n);
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         assert_se(streq(n, "PONIES=awesome"));