15 lines
773 B
Diff
15 lines
773 B
Diff
diff -up patch-2.7.6/lib/vasnprintf.c.me patch-2.7.6/lib/vasnprintf.c
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--- patch-2.7.6/lib/vasnprintf.c.me 2018-11-26 14:02:03.401718842 +0100
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+++ patch-2.7.6/lib/vasnprintf.c 2018-11-26 14:03:02.923913446 +0100
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@@ -860,7 +860,9 @@ convert_to_decimal (mpn_t a, size_t extr
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size_t a_len = a.nlimbs;
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/* 0.03345 is slightly larger than log(2)/(9*log(10)). */
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size_t c_len = 9 * ((size_t)(a_len * (GMP_LIMB_BITS * 0.03345f)) + 1);
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- char *c_ptr = (char *) malloc (xsum (c_len, extra_zeroes));
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+ /* We need extra_zeroes bytes for zeroes, followed by c_len bytes for the
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+ digits of a, followed by 1 byte for the terminating NUL. */
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+ char *c_ptr = (char *) malloc (xsum (xsum (extra_zeroes, c_len), 1));
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if (c_ptr != NULL)
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{
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char *d_ptr = c_ptr;
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