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From 168275c3f4ffe9d0e09ed7a3789b45b440416f73 Mon Sep 17 00:00:00 2001
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From: Nikolai Kondrashov <Nikolai.Kondrashov@redhat.com>
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Date: Wed, 1 Oct 2014 16:32:11 +0300
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Subject: [PATCH 4/4] Don't assume little-endian in fr_prints_uint128
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Add handling of big-endian architectures to fr_prints_uint128.
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---
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src/lib/misc.c | 13 ++++++++++---
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1 file changed, 10 insertions(+), 3 deletions(-)
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diff --git a/src/lib/misc.c b/src/lib/misc.c
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index 66171ff..d0ccd6c 100644
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--- a/src/lib/misc.c
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+++ b/src/lib/misc.c
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@@ -1366,6 +1366,13 @@ size_t fr_prints_uint128(char *out, size_t outlen, uint128_t const num)
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uint64_t n[2];
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char *p = buff;
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int i;
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+#ifdef RADIUS_LITTLE_ENDIAN
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+ const size_t l = 0;
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+ const size_t h = 1;
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+#else
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+ const size_t l = 1;
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+ const size_t h = 0;
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+#endif
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memset(buff, '0', sizeof(buff) - 1);
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buff[sizeof(buff) - 1] = '\0';
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@@ -1376,11 +1383,11 @@ size_t fr_prints_uint128(char *out, size_t outlen, uint128_t const num)
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ssize_t j;
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int carry;
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- carry = (n[1] >= 0x8000000000000000);
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+ carry = (n[h] >= 0x8000000000000000);
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// Shift n[] left, doubling it
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- n[1] = ((n[1] << 1) & 0xffffffffffffffff) + (n[0] >= 0x8000000000000000);
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- n[0] = ((n[0] << 1) & 0xffffffffffffffff);
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+ n[h] = ((n[h] << 1) & 0xffffffffffffffff) + (n[l] >= 0x8000000000000000);
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+ n[l] = ((n[l] << 1) & 0xffffffffffffffff);
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// Add s[] to itself in decimal, doubling it
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for (j = sizeof(buff) - 2; j >= 0; j--) {
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--
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2.1.0
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