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| author | Ahmad Fatoum <a.fatoum@pengutronix.de> | 2021-06-04 10:46:59 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2021-06-09 12:20:05 +0200 |
| commit | 891d7a3b4a3a55d41156da4a6c2221d97cf857c5 (patch) | |
| tree | 04a8ec9df6533efa022b5c67897ef347997e4ec5 /include/stdlib.h | |
| parent | 7457c3d1d457922772e8bb7e07e3e9fe7dd0e09d (diff) | |
| download | barebox-891d7a3b4a3a55d41156da4a6c2221d97cf857c5.tar.gz barebox-891d7a3b4a3a55d41156da4a6c2221d97cf857c5.tar.xz | |
test: self: port Linux printf kselftest
Port over the Linux v5.11 selftest for printf sans the parts we don't
support. This can be used to catch regressions if changes affecting the
printf code are made.
Acked-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Link: https://lore.barebox.org/20210604084704.17410-9-a.fatoum@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include/stdlib.h')
| -rw-r--r-- | include/stdlib.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/stdlib.h b/include/stdlib.h index d405608724..8eb419e111 100644 --- a/include/stdlib.h +++ b/include/stdlib.h @@ -25,4 +25,9 @@ static inline u32 random32(void) return ret; } +static inline u32 prandom_u32_max(u32 ep_ro) +{ + return (u32)(((u64) random32() * ep_ro) >> 32); +} + #endif /* __STDLIB_H */ |