diff options
Diffstat (limited to 'external/cairo/pixman/pixman-ubsan.patch')
| -rw-r--r-- | external/cairo/pixman/pixman-ubsan.patch | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/external/cairo/pixman/pixman-ubsan.patch b/external/cairo/pixman/pixman-ubsan.patch new file mode 100644 index 000000000..583706ae1 --- /dev/null +++ b/external/cairo/pixman/pixman-ubsan.patch @@ -0,0 +1,33 @@ +--- misc/pixman/pixman/pixman.h ++++ misc/build/pixman/pixman/pixman.h +@@ -127,7 +127,7 @@ + #define pixman_fixed_1_minus_e (pixman_fixed_1 - pixman_fixed_e) + #define pixman_fixed_minus_1 (pixman_int_to_fixed(-1)) + #define pixman_fixed_to_int(f) ((int) ((f) >> 16)) +-#define pixman_int_to_fixed(i) ((pixman_fixed_t) ((i) << 16)) ++#define pixman_int_to_fixed(i) ((pixman_fixed_t) ((i) * (1 << 16))) + #define pixman_fixed_to_double(f) (double) ((f) / (double) pixman_fixed_1) + #define pixman_double_to_fixed(d) ((pixman_fixed_t) ((d) * 65536.0)) + #define pixman_fixed_frac(f) ((f) & pixman_fixed_1_minus_e) +--- misc/pixman/pixman/pixman-fast-path.c ++++ misc/build/pixman/pixman/pixman-fast-path.c +@@ -2836,7 +2836,7 @@ + sgtot = CLIP (sgtot, 0, 0xff); + sbtot = CLIP (sbtot, 0, 0xff); + +- buffer[k] = (satot << 24) | (srtot << 16) | (sgtot << 8) | (sbtot << 0); ++ buffer[k] = ((uint32_t)satot << 24) | (srtot << 16) | (sgtot << 8) | (sbtot << 0); + + next: + vx += ux; +--- misc/pixman/pixman/pixman-bits-image.c ++++ misc/build/pixman/pixman/pixman-bits-image.c +@@ -306,7 +306,7 @@ + sgtot = CLIP (sgtot, 0, 0xff); + sbtot = CLIP (sbtot, 0, 0xff); + +- return ((satot << 24) | (srtot << 16) | (sgtot << 8) | (sbtot)); ++ return (((uint32_t)satot << 24) | (srtot << 16) | (sgtot << 8) | (sbtot)); + } + + static force_inline uint32_t |