char *stringNDup(const char *str, unsigned long n)
{
char *tempString = NULL;
if (!str)
return NULL;
tempString = memMgrChunkNew(n + 1);
if (!tempString)
return NULL;
stringNCopy(tempString, str, n);
tempString[n] = '\0';
return tempString;
}
/*
* readdir
*
* Return a pointer to a dirent structure filled with the information on the
* next entry in the directory.
*/
struct dirent * readdir (DIR * dirp)
{
errno = 0;
/* Check for valid DIR struct. */
if (!dirp)
{
errno = EFAULT;
return NULL;
}
if (dirp->dd_dir.d_name != dirp->dd_dta.name)
{
/* The structure does not seem to be set up correctly. */
errno = EINVAL;
return NULL;
}
if (dirp->dd_stat < 0)
{
/* We have already returned all files in the directory
* (or the structure has an invalid dd_stat). */
return NULL;
}
else if (dirp->dd_stat == 0)
{
/* We haven't started the search yet. */
/* Start the search */
dirp->dd_handle = CmdFindFirst (dirp->dd_name, &(dirp->dd_dta));
if (dirp->dd_handle == -1)
{
/* Whoops! Seems there are no files in that
* directory. */
dirp->dd_stat = -1;
}
else
{
dirp->dd_stat = 1;
}
}
else
{
/* Get the next search entry. */
if (CmdFindNext (dirp->dd_handle, &(dirp->dd_dta)))
{
/* We are off the end or otherwise error. */
_findclose (dirp->dd_handle);
dirp->dd_handle = -1;
dirp->dd_stat = -1;
}
else
{
/* Update the status to indicate the correct
* number. */
dirp->dd_stat++;
}
}
if (dirp->dd_stat > 0)
{
/* Successfully got an entry. Everything about the file is
* already appropriately filled in except the length of the
* file name. */
dirp->dd_dir.d_namlen = stringLength (dirp->dd_dir.d_name);
if ( dirp->dd_dir.d_name[0] == '.' &&
(dirp->dd_dir.d_name[1] == 0 ||
(dirp->dd_dir.d_name[1] == '.' && dirp->dd_dir.d_name[2] == 0)))
return readdir(dirp);
struct _stat buf;
char_t buffer[CL_MAX_DIR];
int bl = stringLength(dirp->dd_name)-stringLength(DIRENT_SEARCH_SUFFIX);
stringNCopy(buffer,dirp->dd_name,bl);
buffer[bl]=0;
stringCat(buffer, dirp->dd_dir.d_name);
if ( Cmd_Stat(buffer,&buf) == -1 )
return readdir(dirp);
return &dirp->dd_dir;
}
return NULL;
}
