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mescc: Mes C Library: Prepare for M2-Planet: memcmp.

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* lib/string/memcmp.c: Rewrite C-constructs not supported by M2-Planet.
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Jan (janneke) Nieuwenhuizen 2020-05-17 19:29:29 +02:00
parent 3b68e7de64
commit 8e74d025f2
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GPG key ID: F3C1A0D9C1D65273
1 changed files with 9 additions and 6 deletions
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lib/string/memcmp.c
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@ -1,6 +1,6 @@
/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
* Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
@ -23,14 +23,17 @@
int
memcmp (void const *s1, void const *s2, size_t size)
{
if (!size)
if (size == 0)
return 0;
char const *a = s1;
char const *b = s2;
while (*a == *b && --size)
while (a[0] == b[0] && size > 0)
{
a++;
b++;
size = size - 1;
a = a + 1;
b = b + 1;
}
return *a - *b;
return a[0] - b[0];
}