File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / rsync / ifuncs.h
Revision 1.1.1.4 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Mar 17 00:32:36 2021 UTC (3 years, 7 months ago) by misho
Branches: rsync, MAIN
CVS tags: v3_2_3, HEAD
rsync 3.2.3

/* Inline functions for rsync.
 *
 * Copyright (C) 2007-2020 Wayne Davison
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, visit the http://fsf.org website.
 */

static inline void
alloc_xbuf(xbuf *xb, size_t sz)
{
	xb->buf = new_array(char, sz);
	xb->size = sz;
	xb->len = xb->pos = 0;
}

static inline void
realloc_xbuf(xbuf *xb, size_t sz)
{
	char *bf = realloc_array(xb->buf, char, sz);
	xb->buf = bf;
	xb->size = sz;
}

static inline void
free_xbuf(xbuf *xb)
{
	if (xb->buf)
		free(xb->buf);
	memset(xb, 0, sizeof (xbuf));
}

static inline int
to_wire_mode(mode_t mode)
{
#ifdef SUPPORT_LINKS
#if _S_IFLNK != 0120000
	if (S_ISLNK(mode))
		return (mode & ~(_S_IFMT)) | 0120000;
#endif
#endif
	return mode;
}

static inline mode_t
from_wire_mode(int mode)
{
#if _S_IFLNK != 0120000
	if ((mode & (_S_IFMT)) == 0120000)
		return (mode & ~(_S_IFMT)) | _S_IFLNK;
#endif
	return mode;
}

static inline char *
d_name(struct dirent *di)
{
#ifdef HAVE_BROKEN_READDIR
	return (di->d_name - 2);
#else
	return di->d_name;
#endif
}

static inline void
init_stat_x(stat_x *sx_p)
{
#ifdef SUPPORT_ACLS
	sx_p->acc_acl = sx_p->def_acl = NULL;
#endif
#ifdef SUPPORT_XATTRS
	sx_p->xattr = NULL;
#endif
}

static inline void
free_stat_x(stat_x *sx_p)
{
#ifdef SUPPORT_ACLS
    {
	extern int preserve_acls;
	if (preserve_acls)
		free_acl(sx_p);
    }
#endif
#ifdef SUPPORT_XATTRS
    {
	extern int preserve_xattrs;
	if (preserve_xattrs)
		free_xattr(sx_p);
    }
#endif
}

static inline char *my_strdup(const char *str, const char *file, int line)
{
    int len = strlen(str)+1;
    char *buf = my_alloc(NULL, len, 1, file, line);
    memcpy(buf, str, len);
    return buf;
}

static inline int
strEQ(const char *s1, const char *s2)
{
	return strcmp(s1, s2) == 0;
}

static inline int
strnEQ(const char *s1, const char *s2, size_t n)
{
	return strncmp(s1, s2, n) == 0;
}

static inline int
ic_strEQ(const char *s1, const char *s2)
{
	extern int ignore_case;
	if (ignore_case)
		return strcasecmp(s1, s2) == 0;
	return strcmp(s1, s2) == 0;
}

static inline int
ic_strnEQ(const char *s1, const char *s2, size_t n)
{
	extern int ignore_case;
	if (ignore_case)
		return strncasecmp(s1, s2, n) == 0;
	return strncmp(s1, s2, n) == 0;
}

#define strNE(s1,s2) (!strEQ(s1,s2))
#define strnNE(s1,s2,n) (!strnEQ(s1,s2,n))
#define ic_strNE(s1,s2) (!ic_strEQ(s1,s2))
#define ic_strnNE(s1,s2) (!ic_strnEQ(s1,s2,n))

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