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Fix crash if SIXEL colour register is invalid and remove SIXEL images before

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reflow to avoid a different crash, from Anindya Mukherjee.
This commit is contained in:
Nicholas Marriott
2024-03-21 11:37:09 +00:00
parent bf5d3f2e26
commit aa17f0e0c1
4 changed files with 11 additions and 4 deletions
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3
image-sixel.c
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@ -489,6 +489,9 @@ sixel_print(struct sixel_image *si, struct sixel_image *map, size_t *size)
colours = si->colours;
ncolours = si->ncolours;
}
if (ncolours == 0)
return (NULL);
contains = xcalloc(1, ncolours);
len = 8192;