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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2019-10-25 17:40:57 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2019-10-25 17:40:57 +0200 |
| commit | f39a71817ead331b664bc658ac26dec4ec3b75bc (patch) | |
| tree | c132fc41c35ac0c5e05473df32f5ac8d4b7166bc | |
| parent | d6ff27de153c8f9361de13f75c7f7ed319044f7c (diff) | |
| download | busybox-f39a71817ead331b664bc658ac26dec4ec3b75bc.tar.gz | |
read_key(): placate "warning: shifting a negative signed value is undefined"
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | libbb/read_key.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libbb/read_key.c b/libbb/read_key.c index 951786869..03b7da656 100644 --- a/libbb/read_key.c +++ b/libbb/read_key.c @@ -259,7 +259,8 @@ int64_t FAST_FUNC read_key(int fd, char *buffer, int timeout) buffer[-1] = 0; /* Pack into "1 <row15bits> <col16bits>" 32-bit sequence */ - col |= (((-1 << 15) | row) << 16); + row |= ((unsigned)(-1) << 15); + col |= (row << 16); /* Return it in high-order word */ return ((int64_t) col << 32) | (uint32_t)KEYCODE_CURSOR_POS; } |