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[ruby/digest] Avoid null pointer subtraction in digest/md5

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Fixes warning on Clang 13.

Fixes [Bug #18076]

32135c7487
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xtkoba 2021-10-13 08:40:48 -07:00 • committed by Hiroshi SHIBATA
parent 7a816b5fc8
commit fed65e6a48
1 changed files with 1 additions and 1 deletions
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ext/digest/md5/md5.c
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@ -225,7 +225,7 @@ md5_process(MD5_CTX *pms, const uint8_t *data /*[64]*/)
uint32_t xbuf[16]; uint32_t xbuf[16];
const uint32_t *X; const uint32_t *X;
if (!((data - (const uint8_t *)0) & 3)) { if (!(((uintptr_t)data) & 3)) {
/* data are properly aligned */ /* data are properly aligned */
X = (const uint32_t *)data; X = (const uint32_t *)data;
} else { } else {