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awk: don't segfault on printf(%*s). Close 1337.
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@ -1756,8 +1756,11 @@ static char *awk_printf(node *n)
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s = f;
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while (*f && (*f != '%' || *(++f) == '%'))
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f++;
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while (*f && !isalpha(*f))
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while (*f && !isalpha(*f)) {
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if (*f == '*')
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syntax_error("%*x formats are not supported");
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f++;
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}
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incr = (f - s) + MAXVARFMT;
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qrealloc(&b, incr + i, &bsize);
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