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/*@@
@file File.c
@date September 6th 1999
@author Gabrielle Allen
@desc
File Handling routines
@enddesc
@version $Id$
@@*/
#include "cctk.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "cctk_WarnLevel.h"
#include "cctk_FortranString.h"
#include "util_String.h"
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(util_File_c);
/********************************************************************
********************* Macro Definitions ***********************
********************************************************************/
/* some systems (eg. Windows NT) don't define this macro */
#ifndef S_ISDIR
#define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
#endif
/* Some systems don't have mode_t and only pass one argument to mkdir. */
#ifdef HAVE_MODE_T
#define MKDIR_WRAPPER(a,b) mkdir(a,b)
#else
#define MKDIR_WRAPPER(a,b) mkdir(a)
#endif
/********************************************************************
********************* External Functions **********************
********************************************************************/
void CCTK_FCALL CCTK_FNAME (CCTK_CreateDirectory)
(int *ierr, int *mode, ONE_FORTSTRING_ARG);
/*@@
@routine CCTK_CreateDirectory
@date Tue May 2 21:38:48 2000
@author Tom Goodale
@desc
Makes all directories necessary for the path to exist.
@enddesc
@calls mkdir
@var mode
@vdesc permissions of the directory to be created
@vtype int
@vio in
@vcomment This is the unix mode, e.g. 0755
@endvar
@var pathname
@vdesc Name of directory path to create
@vtype const char *
@vio in
@endvar
@returntype int
@returndesc 1 - directory path already exists
0 - directory path successfully created
-1 - failed to allocate some temporary memory
-2 - failed to create a directory path component
-3 - directory path component exists but is not a directory
@endreturndesc
@@*/
int CCTK_CreateDirectory (int mode, const char *pathname)
{
int retval;
const char *path;
char *current;
const char *token;
struct stat statbuf;
current = (char *) malloc (strlen (pathname) + 1);
if (current)
{
retval = 0;
current[0] = '\0';
path = pathname;
while ((token = Util_StrSep (&path, "/")))
{
/* Treat first token carefully. */
if (*current)
{
sprintf (current, "%s/%s", current, token);
}
else
{
strcpy (current, *token ? token : "/");
}
if (stat (current, &statbuf))
{
if (MKDIR_WRAPPER (current, mode) == -1)
{
retval = errno == EEXIST ? 1 : -2;
}
}
else if (! S_ISDIR (statbuf.st_mode))
{
retval = -3;
}
else
{
retval = 1;
}
if (retval < 0)
{
break;
}
}
if (retval >= 0)
{
/* Deal with last component of path */
if ((size_t) (path - pathname) < strlen (pathname))
{
if (stat (pathname, &statbuf))
{
retval = 0;
if (MKDIR_WRAPPER (pathname, mode) == -1)
{
retval = errno == EEXIST ? 1 : -2;
}
}
else if (! S_ISDIR (statbuf.st_mode))
{
retval = -3;
}
else
{
retval = 1;
}
}
}
free (current);
}
else
{
retval = -1;
}
return (retval);
}
void CCTK_FCALL CCTK_FNAME (CCTK_CreateDirectory)
(int *ierr, int *mode, ONE_FORTSTRING_ARG)
{
ONE_FORTSTRING_CREATE (dirname)
*ierr = CCTK_CreateDirectory (*mode, dirname);
free (dirname);
}
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