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#include <string.h>
#include "sys/dir.h"
#include "sys/dirent.h"
#include <errno.h>
DIR *opendir(char *name)
{
int length;
DIR *dir = (DIR *)malloc(sizeof(DIR));
dir->num_read = 0;
dir->name = (char *)malloc(strlen(name)+6);
strcpy(dir->name, name);
/* Append a "." if we got only the device name */
if (dir->name[1] == ':' && strlen(dir->name) == 2)
strcat(dir->name, ".");
/* Strip trailing slashes, so we can append "/*.*" */
while (1)
{
length = strlen(dir->name);
if (length == 0) break;
if (dir->name[length - 1] == '/' ||
dir->name[length - 1] == '\\')
dir->name[length - 1] = '\0';
else
break;
}
strcat(dir->name, "/*.*");
return dir;
}
static char *strlwr(char *s)
{
char *p = s;
while (*s)
{
if ((*s >= 'A') && (*s <= 'Z'))
*s += 'a'-'A';
s++;
}
return p;
}
struct dirent *readdir(DIR *dir)
{
int done;
int oerrno = errno;
if (dir->num_read)
done = findnext(&dir->ff);
else
done = findfirst(dir->name, &dir->ff,
FA_ARCH|FA_RDONLY|FA_DIREC|FA_HIDDEN|FA_SYSTEM);
if (done)
{
if (errno == ENMFILE)
errno = oerrno;
return 0;
}
dir->num_read ++;
dir->de.d_namlen = strlen(dir->ff.ff_name);
strcpy(dir->de.d_name,dir->ff.ff_name);
strlwr(dir->de.d_name);
return &dir->de;
}
long telldir(DIR *dir)
{
return dir->num_read;
}
void seekdir(DIR *dir, long loc)
{
int i;
rewinddir(dir);
for (i=0; i<loc; i++)
readdir(dir);
}
void rewinddir(DIR *dir)
{
dir->num_read = 0;
}
int closedir(DIR *dir)
{
free(dir->name);
free(dir);
return 0;
}
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