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/*
* A simple WIN32 implementation of mntent routines. It only handles
* logical drives.
*/
#define MNTENT_PRIVATE
#include "libbb.h"
struct mntstate {
DWORD drives;
int index;
};
int fill_mntdata(struct mntdata *data, int index)
{
UINT drive_type;
char buf[PATH_MAX];
// initialise pointers and scalar data
data->me.mnt_fsname = data->mnt_fsname;
data->me.mnt_dir = data->mnt_dir;
data->me.mnt_type = data->mnt_type;
data->me.mnt_opts = data->mnt_opts;
data->me.mnt_freq = 0;
data->me.mnt_passno = 0;
// initialise strings
data->mnt_fsname[0] = 'A' + index;
data->mnt_fsname[1] = ':';
data->mnt_fsname[2] = '\0';
data->mnt_dir[0] = 'A' + index;
data->mnt_dir[1] = ':';
data->mnt_dir[2] = '/';
data->mnt_dir[3] = '\0';
data->mnt_type[0] = '\0';
data->mnt_opts[0] = '\0';
drive_type = GetDriveType(data->mnt_dir);
if (drive_type == DRIVE_FIXED || drive_type == DRIVE_CDROM ||
drive_type == DRIVE_REMOVABLE || drive_type == DRIVE_REMOTE) {
if (!GetVolumeInformation(data->mnt_dir, NULL, 0, NULL, NULL,
NULL, data->mnt_type, 100)) {
return FALSE;
}
if (realpath(data->mnt_dir, buf) != NULL) {
if (isalpha(buf[0]) && strcmp(buf+1, ":/") == 0)
buf[2] = '\0';
strcpy(data->mnt_fsname, buf);
}
return TRUE;
}
return FALSE;
}
FILE *mingw_setmntent(void)
{
struct mntstate *state;
if ( (state=malloc(sizeof(struct mntstate))) == NULL ) {
return NULL;
}
state->drives = GetLogicalDrives();
state->index = -1;
return (FILE *)state;
}
struct mntent *getmntent(FILE *stream)
{
struct mntstate *state = (struct mntstate *)stream;
static struct mntdata *data = NULL;
struct mntent *entry = NULL;
while (++state->index < 26) {
if ((state->drives & 1 << state->index) != 0) {
if (data == NULL)
data = xmalloc(sizeof(*data));
if (fill_mntdata(data, state->index)) {
entry = &data->me;
break;
}
}
}
return entry;
}
int endmntent(FILE *stream)
{
free(stream);
return 0;
}
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