Initial commit: client source

2026-08-17 20:03:02 +02:00
commit 9ae37cd0ea
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+/* lzo_str.c -- string functions for the the LZO library
+
+   This file is part of the LZO real-time data compression library.
+
+   Copyright (C) 1996-2002 Markus Franz Xaver Johannes Oberhumer
+   All Rights Reserved.
+
+   The LZO library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   The LZO library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with the LZO library; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+   Markus F.X.J. Oberhumer
+   <markus@oberhumer.com>
+ */
+
+
+#include "lzo_conf.h"
+
+
+/***********************************************************************
+// slow but portable <string.h> stuff, only used in assertions
+************************************************************************/
+
+LZO_PUBLIC(int)
+lzo_memcmp(const lzo_voidp s1, const lzo_voidp s2, lzo_uint len)
+{
+#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCMP)
+	return memcmp(s1,s2,len);
+#else
+	const lzo_byte *p1 = (const lzo_byte *) s1;
+	const lzo_byte *p2 = (const lzo_byte *) s2;
+	int d;
+
+	if (len > 0) do
+	{
+		d = *p1 - *p2;
+		if (d != 0)
+			return d;
+		p1++;
+		p2++;
+	}
+	while (--len > 0);
+	return 0;
+#endif
+}
+
+
+LZO_PUBLIC(lzo_voidp)
+lzo_memcpy(lzo_voidp dest, const lzo_voidp src, lzo_uint len)
+{
+#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMCPY)
+	return memcpy(dest,src,len);
+#else
+	lzo_byte *p1 = (lzo_byte *) dest;
+	const lzo_byte *p2 = (const lzo_byte *) src;
+
+	if (len <= 0 || p1 == p2)
+		return dest;
+	do
+		*p1++ = *p2++;
+	while (--len > 0);
+	return dest;
+#endif
+}
+
+
+LZO_PUBLIC(lzo_voidp)
+lzo_memmove(lzo_voidp dest, const lzo_voidp src, lzo_uint len)
+{
+#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMMOVE)
+	return memmove(dest,src,len);
+#else
+	lzo_byte *p1 = (lzo_byte *) dest;
+	const lzo_byte *p2 = (const lzo_byte *) src;
+
+	if (len <= 0 || p1 == p2)
+		return dest;
+
+	if (p1 < p2)
+	{
+		do
+			*p1++ = *p2++;
+		while (--len > 0);
+	}
+	else
+	{
+		p1 += len;
+		p2 += len;
+		do
+			*--p1 = *--p2;
+		while (--len > 0);
+	}
+	return dest;
+#endif
+}
+
+
+LZO_PUBLIC(lzo_voidp)
+lzo_memset(lzo_voidp s, int c, lzo_uint len)
+{
+#if (LZO_UINT_MAX <= SIZE_T_MAX) && defined(HAVE_MEMSET)
+	return memset(s,c,len);
+#else
+	lzo_byte *p = (lzo_byte *) s;
+
+	if (len > 0) do
+		*p++ = LZO_BYTE(c);
+	while (--len > 0);
+	return s;
+#endif
+}
+
+
+/*
+vi:ts=4:et
+*/