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cff: Don't fail if no local subs

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Fixes: #870
This commit is contained in:
Adrian Johnson 2024-09-13 06:28:39 +09:30
parent 39ba22d7e6
commit f19e2fe080
1 changed files with 7 additions and 3 deletions
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10
src/cairo-cff-subset.c
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@ -952,9 +952,13 @@ cairo_cff_font_read_private_dict (cairo_cff_font_t *font,
decode_number (operand, nominal_width);
num_subs = _cairo_array_num_elements (local_sub_index);
*local_subs_used = _cairo_calloc_ab (num_subs, sizeof (cairo_bool_t));
if (unlikely (*local_subs_used == NULL))
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
if (num_subs > 0) {
*local_subs_used = _cairo_calloc_ab (num_subs, sizeof (cairo_bool_t));
if (unlikely (*local_subs_used == NULL))
return _cairo_error (CAIRO_STATUS_NO_MEMORY);
} else {
*local_subs_used = NULL;
}
if (num_subs < 1240)
*local_sub_bias = 107;