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/*
Copyright (C) 1996-1998 Robert H”hne
Copyright (C) 2000 Anatoli Soltan
Copyright (C) 2000 Salvador E. Tropea
Covered by the GPL license.
*/
#define Uses_string
#define Uses_limits
#include <compatlayer.h>
// CheckOnlyDrive(dir) and CheckDriveValid(a)
#if CLY_HaveDriveLetters
#define CheckOnlyDrive(dir) if (!unc && strlen(dir)<=3)\
return CLY_DriveValid(dir[0])
#define CheckDriveValid(a) if (!unc && !CLY_DriveValid(dir[0]))\
return 0;
#define DeclareUNCVar int unc=0
#endif
// By default is a nop
#ifndef CheckOnlyDrive
#define CheckOnlyDrive(dir)
#endif
#ifndef CheckDriveValid
#define CheckDriveValid(a)
#endif
#ifndef DeclareUNCVar
#define DeclareUNCVar
#endif
// CheckUNC(path)
#ifdef TVComp_BCPP
#define CheckUNC(path) \
unc = CLY_IsUNC(path); \
if (unc && CLY_IsUNCShare(path)) \
return 1
#endif
// By default is a nop
#ifndef CheckUNC
#define CheckUNC(path)
#endif
int CLY_PathValid(const char *path)
{
char dir[PATH_MAX];
char name[PATH_MAX];
DeclareUNCVar;
// Set UNC variable and return if that's an UNC path
CheckUNC(path);
CLY_ExpandPath(path, dir, name);
// return True if that's just a valid drive letter
CheckOnlyDrive(dir);
// Force it to look like a directory
if (*dir && dir[strlen(dir)-1]==DIRSEPARATOR)
strcat(dir,".");
else
strcat(dir,DIRSEPARATOR_".");
// return False if the drive letter is invalid
CheckDriveValid(dir[0]);
return CLY_IsDir(dir);
}
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