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| author | comex | 2016-11-15 22:00:01 -0500 |
|---|---|---|
| committer | comex | 2016-11-15 22:00:01 -0500 |
| commit | 29c86ae6f5a4b44b1c5c7ee1e16366d8c44e33ea (patch) | |
| tree | c5c1e2e40c489b3a40552fe5f3e0ffdd927e1812 | |
| parent | I don't remember what this test is for (diff) | |
| download | substitute-29c86ae6f5a4b44b1c5c7ee1e16366d8c44e33ea.tar.gz | |
avoid UB
| -rw-r--r-- | lib/darwin/read.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/darwin/read.c b/lib/darwin/read.c index 2e5b746..a0a5d8e 100644 --- a/lib/darwin/read.c +++ b/lib/darwin/read.c @@ -9,11 +9,11 @@ bool read_leb128(void **ptr, void *end, bool is_signed, uint64_t *out) { return false; bit = *p++; uint64_t k = bit & 0x7f; - if (shift < sizeof(uint64_t) * 8) + if (shift < 64) result |= k << shift; shift += 7; } while (bit & 0x80); - if (is_signed && (bit & 0x40)) + if (is_signed && (bit & 0x40) && shift < 64) result |= ~((uint64_t) 0) << shift; *ptr = p; if (out) |