Source to setup/dir.c


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/*
 Legal Notice: Some portions of the source code contained in this file were
 derived from the source code of Encryption for the Masses 2.02a, which is
 Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License
 Agreement for Encryption for the Masses'. Modifications and additions to
 the original source code (contained in this file) and all other portions
 of this file are Copyright (c) 2003-2008 TrueCrypt Developers Association
 and are governed by the TrueCrypt License 3.0 the full text of which is
 contained in the file License.txt included in TrueCrypt binary and source
 code distribution packages. */

#include "Tcdefs.h"

#include <sys/types.h>
#include <sys/stat.h>
#include <direct.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>

#include "Dir.h"

/* create full directory tree. returns 0 for success, -1 if failure */
int
mkfulldir (char *oriPath, BOOL bCheckonly)
{
	struct _stat st;
	char *uniq_file;
	char path [TC_MAX_PATH];

	strcpy (path, oriPath);

	if (strlen (path) == 3 && path[1] == ':')
		goto is_root;	/* keep final slash in root if present */

	/* strip final forward or backslash if we have one! */
	uniq_file = strrchr (path, '\\');
	if (uniq_file && uniq_file[1] == '\0')
		uniq_file[0] = '\0';
	else
	{
		uniq_file = strrchr (path, '/');
		if (uniq_file && uniq_file[1] == '\0')
			uniq_file[0] = '\0';
	}

      is_root:
	if (bCheckonly)
		return _stat (path, &st);

	if (_stat (path, &st))
		return mkfulldir_internal (path);
	else
		return 0;
}


int
mkfulldir_internal (char *path)
{
	char *token;
	struct _stat st;
	static char tokpath[_MAX_PATH];
	static char trail[_MAX_PATH];

	strcpy (tokpath, path);
	trail[0] = '\0';

	token = strtok (tokpath, "\\/");

	if (tokpath[0] == '\\' && tokpath[1] == '\\')
	{			/* unc */
		trail[0] = tokpath[0];
		trail[1] = tokpath[1];
		trail[2] = '\0';
		strcat (trail, token);
		strcat (trail, "\\");
		token = strtok (NULL, "\\/");
		if (token)
		{		/* get share name */
			strcat (trail, token);
			strcat (trail, "\\");
		}
		token = strtok (NULL, "\\/");
	}

	if (tokpath[1] == ':')
	{			/* drive letter */
		strcat (trail, tokpath);
		strcat (trail, "\\");
		token = strtok (NULL, "\\/");
	}

	while (token != NULL)
	{
		int x;
		strcat (trail, token);
		x = _mkdir (trail);
		strcat (trail, "\\");
		token = strtok (NULL, "\\/");
	}

	return _stat (path, &st);
}