ghc/lib/std/cbits/createDirectory.c

   1 /*
   2  * (c) The GRASP/AQUA Project, Glasgow University, 1994-1998
   3  *
   4  * $Id: createDirectory.c,v 1.3 1998/12/02 13:27:16 simonm Exp $
   5  *
   6  * createDirectory Runtime Support}
   7  */
   8
   9 #include "Rts.h"
  10 #include "stgio.h"
  11
  12 #ifdef HAVE_SYS_TYPES_H
  13 #include <sys/types.h>
  14 #endif
  15
  16 #ifdef HAVE_SYS_STAT_H
  17 #include <sys/stat.h>
  18 #endif
  19
  20 StgInt
  21 createDirectory(path)
  22 StgByteArray path;
  23 {
  24     int rc;
  25     struct stat sb;
  26
  27     while((rc = mkdir(path, 0777)) != 0) {
  28         if (errno != EINTR) {
  29             cvtErrno();
  30             switch (ghc_errno) {
  31             default:
  32                 stdErrno();
  33                 break;
  34             case GHC_ENOENT:
  35             case GHC_ENOTDIR:
  36                 ghc_errtype = ERR_NOSUCHTHING;
  37                 ghc_errstr = "no path to directory";
  38                 break;
  39             case GHC_EEXIST:
  40                 if (stat(path, &sb) != 0) {
  41                     ghc_errtype = ERR_OTHERERROR;
  42                     ghc_errstr = "cannot stat existing file";
  43                 }
  44                 if (S_ISDIR(sb.st_mode)) {
  45                     ghc_errtype = ERR_ALREADYEXISTS;
  46                     ghc_errstr = "directory already exists";
  47                 } else {
  48                     ghc_errtype = ERR_INAPPROPRIATETYPE;
  49                     ghc_errstr = "file already exists";
  50                 }
  51                 break;
  52             }
  53             return -1;
  54         }
  55     }
  56     return 0;
  57 }