Category : C Source Code
Archive   : ZIPSRC19.ZIP
Filename : OS2ZIP.H

/*
* @(#) dir.h 1.4 87/11/06 Public Domain.
*
* A public domain implementation of BSD directory routines for
* MS-DOS. Written by Michael Rendell ({uunet,utai}michael@garfield),
* August 1987
*
* Enhanced and ported to OS/2 by Kai Uwe Rommel; added scandir() prototype
* December 1989, February 1990
* Change of MAXPATHLEN for HPFS, October 1990
*/


#define MAXNAMLEN 256
#define MAXPATHLEN 256

#define A_RONLY 0x01
#define A_HIDDEN 0x02
#define A_SYSTEM 0x04
#define A_LABEL 0x08
#define A_DIR 0x10
#define A_ARCHIVE 0x20


struct direct
{
ino_t d_ino; /* a bit of a farce */
int d_reclen; /* more farce */
int d_namlen; /* length of d_name */
char d_name[MAXNAMLEN + 1]; /* null terminated */
/* nonstandard fields */
long d_size; /* size in bytes */
unsigned d_mode; /* DOS or OS/2 file attributes */
unsigned d_time;
unsigned d_date;
};

/* The fields d_size and d_mode are extensions by me (Kai Uwe Rommel).
* The find_first and find_next calls deliver this data without any extra cost.
* If this data is needed, these fields save a lot of extra calls to stat()
* (each stat() again performs a find_first call !).
*/

struct _dircontents
{
char *_d_entry;
long _d_size;
unsigned _d_mode, _d_time, _d_date;
struct _dircontents *_d_next;
};

typedef struct _dirdesc
{
int dd_id; /* uniquely identify each open directory */
long dd_loc; /* where we are in directory entry is this */
struct _dircontents *dd_contents; /* pointer to contents of dir */
struct _dircontents *dd_cp; /* pointer to current position */
}
DIR;


extern DIR *opendir(char *);
extern struct direct *readdir(DIR *);
extern void seekdir(DIR *, long);
extern long telldir(DIR *);
extern void closedir(DIR *);
#define rewinddir(dirp) seekdir(dirp, 0L)

int GetFileMode(char *name);

long GetFileTime(char *name);
void SetFileTime(char *path, long stamp);

int IsFileNameValid(char *name);
int IsFileSystemFAT(char *dir);
void ChangeNameForFAT(char *name);

char *GetLongNameEA(char *name);
char *GetLongPathEA(char *name);
void GetEAs(char *name, char **bufptr, unsigned *size,
char **cbufptr, unsigned *csize);

char *StringLower(char *);