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47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/*
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Copyright (C) Andrew Tridgell 1999
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* backup handling code */
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#include "rsync.h"
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extern int verbose;
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extern char *backup_suffix;
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int make_backup(char *fname)
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{
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char fnamebak[MAXPATHLEN];
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if (strlen(fname) + strlen(backup_suffix) > (MAXPATHLEN-1)) {
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rprintf(FERROR,"backup filename too long\n");
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return 0;
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}
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slprintf(fnamebak,sizeof(fnamebak),"%s%s",fname,backup_suffix);
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if (do_rename(fname,fnamebak) != 0) {
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/* cygwin (at least version b19) reports EINVAL */
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if (errno != ENOENT && errno != EINVAL) {
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rprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno));
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return 0;
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}
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} else if (verbose > 1) {
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rprintf(FINFO,"backed up %s to %s\n",fname,fnamebak);
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}
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return 1;
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}
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