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Ignore signed-integer-overflow while kerning 

Fixes https://github.com/harfbuzz/harfbuzz/issues/1247
This commit is contained in:
Behdad Esfahbod 2018-10-14 15:20:50 -07:00
parent 40f2b9355c
commit 62376a7d98
2 changed files with 10 additions and 0 deletions
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1
src/hb-ot-kern-table.hh
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@ -37,6 +37,7 @@ struct hb_kern_machine_t
{ {
hb_kern_machine_t (const Driver &driver_) : driver (driver_) {} hb_kern_machine_t (const Driver &driver_) : driver (driver_) {}
HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW
inline void kern (hb_font_t *font, inline void kern (hb_font_t *font,
hb_buffer_t *buffer, hb_buffer_t *buffer,
hb_mask_t kern_mask) const hb_mask_t kern_mask) const

9
src/hb.hh
View File

@ -237,6 +237,15 @@ struct _hb_alignof
# define HB_FALLTHROUGH /* FALLTHROUGH */ # define HB_FALLTHROUGH /* FALLTHROUGH */
#endif #endif
#if defined(__clang__)
/* Disable certain sanitizer errors. */
/* https://github.com/harfbuzz/harfbuzz/issues/1247 */
#define HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW __attribute__((no_sanitize("signed-integer-overflow")))
#else
#define HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW
#endif
#if defined(_WIN32) || defined(__CYGWIN__) #if defined(_WIN32) || defined(__CYGWIN__)
/* We need Windows Vista for both Uniscribe backend and for /* We need Windows Vista for both Uniscribe backend and for
* MemoryBarrier. We don't support compiling on Windows XP, * MemoryBarrier. We don't support compiling on Windows XP,