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Backport from xs.
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1 changed files with 7 additions and 5 deletions
12
xs.h
12
xs.h
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@ -365,19 +365,21 @@ xs_val *xs_expand(xs_val *data, int offset, int size)
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/* opens a hole in data */
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{
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int sz = xs_size(data);
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int n;
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sz += size;
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/* open room */
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if (sz == 0 || _xs_blk_size(sz) != _xs_blk_size(sz + size))
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data = xs_realloc(data, _xs_blk_size(sz + size));
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data = xs_realloc(data, _xs_blk_size(sz));
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/* move up the rest of the data */
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if (data != NULL)
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memmove(data + offset + size, data + offset, sz - offset);
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for (n = sz - 1; n >= offset + size; n--)
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data[n] = data[n - size];
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if (xs_type(data) == XSTYPE_LIST ||
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xs_type(data) == XSTYPE_DICT ||
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xs_type(data) == XSTYPE_DATA)
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_xs_put_24b(data + 1, sz + size);
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_xs_put_24b(data + 1, sz);
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return data;
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}
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