view mercurial/thirdparty/xdiff/xmacros.h @ 48746:18e69f224e4b

narrow: add support for merging add and remove outside of the tracked set

This extend f1eb77dceb36 to test and support the remaining action. Or, at least,
the simple incarnation of them.

Differential Revision: https://phab.mercurial-scm.org/D12181

/*
 *  LibXDiff by Davide Libenzi ( File Differential Library )
 *  Copyright (C) 2003  Davide Libenzi
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, see
 *  <http://www.gnu.org/licenses/>.
 *
 *  Davide Libenzi <[e-mail]>
 *
 */

#if !defined(XMACROS_H)
#define XMACROS_H




#define XDL_MIN(a, b) ((a) < (b) ? (a): (b))
#define XDL_MAX(a, b) ((a) > (b) ? (a): (b))
#define XDL_ABS(v) ((v) >= 0 ? (v): -(v))
#define XDL_ISDIGIT(c) ((c) >= '0' && (c) <= '9')
#define XDL_ISSPACE(c) (isspace((unsigned char)(c)))
#define XDL_ADDBITS(v,b)	((v) + ((v) >> (b)))
#define XDL_MASKBITS(b)		((1UL << (b)) - 1)
#define XDL_HASHLONG(v,b)	(XDL_ADDBITS((unsigned long)(v), b) & XDL_MASKBITS(b))
#define XDL_PTRFREE(p) do { if (p) { xdl_free(p); (p) = NULL; } } while (0)
#define XDL_LE32_PUT(p, v) \
do { \
	unsigned char *__p = (unsigned char *) (p); \
	*__p++ = (unsigned char) (v); \
	*__p++ = (unsigned char) ((v) >> 8); \
	*__p++ = (unsigned char) ((v) >> 16); \
	*__p = (unsigned char) ((v) >> 24); \
} while (0)
#define XDL_LE32_GET(p, v) \
do { \
	unsigned char const *__p = (unsigned char const *) (p); \
	(v) = (unsigned long) __p[0] | ((unsigned long) __p[1]) << 8 | \
		((unsigned long) __p[2]) << 16 | ((unsigned long) __p[3]) << 24; \
} while (0)


#endif /* #if !defined(XMACROS_H) */