imrcpan/erofs-linux
1
0 Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git synced 2026-10-29 13:23:23 +01:00
Code Issues Packages Projects Releases Wiki Activity

printf: convert test_hashed into macro

Browse Source 
This allows the compiler to check the arguments against the __printf()
attribute on __test(). This produces better diagnostics when incorrect
inputs are passed.

Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Tamir Duberstein <[email protected]>
Reviewed-by: Petr Mladek <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Petr Mladek <[email protected]>
This commit is contained in:
Tamir Duberstein authored and Petr Mladek committed 2026-01-28 10:19:40 +01:00
1 parent bdfcca65e7
commit 9bfa52dac2
1 file changed
+11 -9
Download Patch File Download Diff File Expand all files Collapse all files
lib/tests/printf_kunit.c
+11 -9
View File
@@ -266,15 +266,17 @@ hash_pointer(struct kunit *kunittest)
KUNIT_EXPECT_MEMNEQ(kunittest, buf, PTR_STR, PTR_WIDTH);
}
static void
test_hashed(struct kunit *kunittest, const char *fmt, const void *p)
{
char buf[PLAIN_BUF_SIZE];
plain_hash_to_buffer(kunittest, p, buf, PLAIN_BUF_SIZE);
test(buf, fmt, p);
}
/*
* This is a macro so that the compiler can compare its arguments to the
* __printf() attribute on __test(). This cannot be a function with a __printf()
* attribute because GCC requires __printf() functions to be variadic.
*/
#define test_hashed(kunittest, fmt, p) \
do { \
char buf[PLAIN_BUF_SIZE]; \
plain_hash_to_buffer(kunittest, p, buf, PLAIN_BUF_SIZE); \
test(buf, fmt, p); \
} while (0)
/*
* NULL pointers aren't hashed.