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v 3.1.0

    1: /* Inline functions for rsync.
    2:  *
    3:  * Copyright (C) 2007-2013 Wayne Davison
    4:  *
    5:  * This program is free software; you can redistribute it and/or modify
    6:  * it under the terms of the GNU General Public License as published by
    7:  * the Free Software Foundation; either version 3 of the License, or
    8:  * (at your option) any later version.
    9:  *
   10:  * This program is distributed in the hope that it will be useful,
   11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   13:  * GNU General Public License for more details.
   14:  *
   15:  * You should have received a copy of the GNU General Public License along
   16:  * with this program; if not, visit the http://fsf.org website.
   17:  */
   18: 
   19: static inline void
   20: alloc_xbuf(xbuf *xb, size_t sz)
   21: {
   22: 	if (!(xb->buf = new_array(char, sz)))
   23: 		out_of_memory("alloc_xbuf");
   24: 	xb->size = sz;
   25: 	xb->len = xb->pos = 0;
   26: }
   27: 
   28: static inline void
   29: realloc_xbuf(xbuf *xb, size_t sz)
   30: {
   31: 	char *bf = realloc_array(xb->buf, char, sz);
   32: 	if (!bf)
   33: 		out_of_memory("realloc_xbuf");
   34: 	xb->buf = bf;
   35: 	xb->size = sz;
   36: }
   37: 
   38: static inline void
   39: free_xbuf(xbuf *xb)
   40: {
   41: 	if (xb->buf)
   42: 		free(xb->buf);
   43: 	memset(xb, 0, sizeof (xbuf));
   44: }
   45: 
   46: static inline int
   47: to_wire_mode(mode_t mode)
   48: {
   49: #ifdef SUPPORT_LINKS
   50: #if _S_IFLNK != 0120000
   51: 	if (S_ISLNK(mode))
   52: 		return (mode & ~(_S_IFMT)) | 0120000;
   53: #endif
   54: #endif
   55: 	return mode;
   56: }
   57: 
   58: static inline mode_t
   59: from_wire_mode(int mode)
   60: {
   61: #if _S_IFLNK != 0120000
   62: 	if ((mode & (_S_IFMT)) == 0120000)
   63: 		return (mode & ~(_S_IFMT)) | _S_IFLNK;
   64: #endif
   65: 	return mode;
   66: }
   67: 
   68: static inline char *
   69: d_name(struct dirent *di)
   70: {
   71: #ifdef HAVE_BROKEN_READDIR
   72: 	return (di->d_name - 2);
   73: #else
   74: 	return di->d_name;
   75: #endif
   76: }
   77: 
   78: static inline void
   79: init_stat_x(stat_x *sx_p)
   80: {
   81: #ifdef SUPPORT_ACLS
   82: 	sx_p->acc_acl = sx_p->def_acl = NULL;
   83: #endif
   84: #ifdef SUPPORT_XATTRS
   85: 	sx_p->xattr = NULL;
   86: #endif
   87: }
   88: 
   89: static inline void
   90: free_stat_x(stat_x *sx_p)
   91: {
   92: #ifdef SUPPORT_ACLS
   93:     {
   94: 	extern int preserve_acls;
   95: 	if (preserve_acls)
   96: 		free_acl(sx_p);
   97:     }
   98: #endif
   99: #ifdef SUPPORT_XATTRS
  100:     {
  101: 	extern int preserve_xattrs;
  102: 	if (preserve_xattrs)
  103: 		free_xattr(sx_p);
  104:     }
  105: #endif
  106: }