diff options
Diffstat (limited to 'gnu/usr.bin/cvs/lib/xgetwd.c')
-rw-r--r-- | gnu/usr.bin/cvs/lib/xgetwd.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/gnu/usr.bin/cvs/lib/xgetwd.c b/gnu/usr.bin/cvs/lib/xgetwd.c deleted file mode 100644 index 8fe4ec1..0000000 --- a/gnu/usr.bin/cvs/lib/xgetwd.c +++ /dev/null @@ -1,79 +0,0 @@ -/* xgetwd.c -- return current directory with unlimited length - Copyright (C) 1992 Free Software Foundation, Inc. - - 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 2, 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, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - -/* Derived from xgetcwd.c in e.g. the GNU sh-utils. */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include "system.h" - -#include <stdio.h> -#include <errno.h> -#ifndef errno -extern int errno; -#endif -#include <sys/types.h> - -#ifndef HAVE_GETWD -char *getwd (); -#define GETWD(buf, max) getwd (buf) -#else -char *getcwd (); -#define GETWD(buf, max) getcwd (buf, max) -#endif - -/* Amount by which to increase buffer size when allocating more space. */ -#define PATH_INCR 32 - -char *xmalloc (); -char *xrealloc (); - -/* Return the current directory, newly allocated, arbitrarily long. - Return NULL and set errno on error. */ - -char * -xgetwd () -{ - char *cwd; - char *ret; - unsigned path_max; - - errno = 0; - path_max = (unsigned) PATH_MAX; - path_max += 2; /* The getcwd docs say to do this. */ - - cwd = xmalloc (path_max); - - errno = 0; - while ((ret = GETWD (cwd, path_max)) == NULL && errno == ERANGE) - { - path_max += PATH_INCR; - cwd = xrealloc (cwd, path_max); - errno = 0; - } - - if (ret == NULL) - { - int save_errno = errno; - free (cwd); - errno = save_errno; - return NULL; - } - return cwd; -} |