compat/posix.h: clean up GIT_GNUC_PREREQ() and UNUSED

Fix the preprocessor indentation of the GIT_GNUC_PREREQ() and UNUSED macros according to the CodingGuidelines, without changing their behavior. Adjust the spelling in the GIT_GNUC_PREREQ() comment block. Signed-off-by: Dominik Loidolt <dominik.loidolt@univie.ac.at> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Dominik Loidolt committed Jun 13, 2026 at 14:27 UTC ffd45926dcb18337b7897bd96d8b1b14acec2359
1 file changed +8 -9
compat/posix.h
+8 -9
@@ -5,11 +5,10 @@
5
6 /*
7 * Derived from Linux "Features Test Macro" header
8 - * Convenience macros to test the versions of gcc (or
9 - * a compatible compiler).
8 + * Convenience macros to test the versions of GCC (or a compatible compiler).
9 * Use them like this:
10 * #if GIT_GNUC_PREREQ (2,8)
12 - * ... code requiring gcc 2.8 or later ...
11 + * ... code requiring GCC 2.8 or later ...
12 * #endif
13 *
14 * Note that Clang and other compilers define __GNUC__ for compatibility; use
@@ -17,12 +16,12 @@
16 *
17 * This macro of course is not part of POSIX, but we need it for the UNUSED
18 * macro which is used by some of our POSIX compatibility wrappers.
20 -*/
19 + */
20 #if defined(__GNUC__) && defined(__GNUC_MINOR__)
21 # define GIT_GNUC_PREREQ(maj, min) \
22 ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
23 #else
25 - #define GIT_GNUC_PREREQ(maj, min) 0
24 +# define GIT_GNUC_PREREQ(maj, min) 0
25 #endif
26
27 /* Similar for Clang. */
@@ -48,13 +47,13 @@
47 * compilation, consider using MAYBE_UNUSED instead.
48 */
49 #if GIT_GNUC_PREREQ(4, 5) || GIT_CLANG_PREREQ(2, 9)
51 -#define UNUSED __attribute__((unused)) \
52 - __attribute__((deprecated ("parameter declared as UNUSED")))
50 +# define UNUSED __attribute__((unused)) \
51 + __attribute__((deprecated("parameter declared as UNUSED")))
52 #elif defined(__GNUC__)
54 -#define UNUSED __attribute__((unused)) \
53 +# define UNUSED __attribute__((unused)) \
54 __attribute__((deprecated))
55 #else
57 -#define UNUSED
56 +# define UNUSED
57 #endif
58
59 #ifdef __MINGW64__