compiler/posixc/rename.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     C99 function rename() with optional Amiga<>Posix file name conversion.
   6 */
   7
   8 #include <proto/dos.h>
   9 #include <stdlib.h>
  10 #include <string.h>
  11 #include <errno.h>
  12 #include "__upath.h"
  13
  14 #define DEBUG 0
  15 #include <aros/debug.h>
  16
  17 /*****************************************************************************
  18
  19     NAME */
  20 #include <stdio.h>
  21
  22 /*      int rename (
  23
  24     SYNOPSIS
  25         const char * oldpath,
  26         const char * newpath)
  27
  28     FUNCTION
  29         Renames a file or directory.
  30
  31     INPUTS
  32         oldpath - Complete path to existing file or directory.
  33         newpath - Complete path to the new file or directory.
  34
  35     RESULT
  36         0 on success and -1 on error. In case of an error, errno is set.
  37
  38     NOTES
  39
  40     EXAMPLE
  41
  42     BUGS
  43
  44     SEE ALSO
  45
  46     INTERNALS
  47         Uses stdcio.library rename() function after path name conversion
  48
  49 ******************************************************************************/
  50 int __posixc_rename (const char * oldpath, const char * newpath)
  51 {
  52           STRPTR aoldpath = (STRPTR)strdup((const char*)__path_u2a(oldpath));
  53     CONST_STRPTR anewpath = __path_u2a(newpath);
  54     int ret;
  55
  56     /* __path_u2a has resolved paths like /toto/../a */
  57     if (anewpath[0] == '.')
  58     {
  59         if (anewpath[1] == '\0' || (anewpath[1] == '.' && anewpath[2] == '\0'))
  60         {
  61             errno = EEXIST;
  62             free(aoldpath);
  63             return -1;
  64         }
  65     }
  66
  67     ret = rename(aoldpath, anewpath);
  68
  69     free(aoldpath);
  70
  71     return ret;
  72 } /* rename */
  73