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Do not allow combined UTF-8 characters that are too long, GitHub issue 

3729.
pull/3740/head
nicm 2023-10-30 16:05:30 +00:00
parent 36e1ac6556
commit fdf465925e
1 changed files with 4 additions and 0 deletions
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4
screen-write.c
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@ -2025,6 +2025,10 @@ screen_write_combine(struct screen_write_ctx *ctx, const struct grid_cell *gc)
return (0);
}
/* Check if this combined character would be too long. */
if (last.data.size + ud->size > sizeof last.data.data)
return (0);
/* Combining; flush any pending output. */
screen_write_collect_flush(ctx, 0, __func__);