/* remove currently selected file */
uint16 as_remove(asgard_handle * handle) {
fs_file * file = as_get_current_file(handle);
fs_rmfile(file, handle->mode);
file = as_get_current_directory(handle); //get current directory
as_set_current_file(handle, file); //automatically select parent directory
return APDU_SUCCESS;
}
static int wrap_fs_unlink(struct _reent *r, char *path)
{
if (!fs_rmfile(fs, (euint8*)path)) {
return 0;
}
r->_errno = EACCES;
return -1;
}
bool test_fs_manip()
{
char *str;
printf("testing simple read/write... ");
fs_writestr("testfile", "str-TEST");
str = fs_readstr("testfile");
if(!str_isequal(str, "str-TEST"))
return printf("failed\n"), false;
mem_free(str);
printf("okay\n");
printf("testing file copy... ");
fs_copy("copyfile", "testfile");
str = fs_readstr("copyfile");
if(!str_isequal(str, "str-TEST"))
return printf("failed\n"), false;
mem_free(str);
printf("okay\n");
printf("testing file deletion... ");
fs_rmfile("testfile");
fs_rmfile("copyfile");
if(fs_exists("testfile") || fs_exists("copyfile"))
return printf("failed\n"), false;
printf("okay\n");
return true;
}
static int wrap_fs_open(struct _reent *r, const char *pathname, int flags, int mode)
{
wrap_fs_check_is_inited();
mode = mode;
int fd = wrap_fs_get_fd();
if (fd >= 0) {
euint8 m = 0;
flags &= 0xffff;
if (flags == O_RDONLY)
m = MODE_READ;
else if (flags & O_APPEND)
m = MODE_APPEND;
else if (flags & O_WRONLY) {
if ((flags & O_CREAT) || (flags & O_TRUNC))
fs_rmfile(fs, (euint8*)pathname);
m = MODE_WRITE;
}
fprintf(stderr, "open(%s) flag: %08X mode: %c\n", pathname, flags, m);
if (!m) {
fprintf(stderr, "unknown mode\n");
r->_errno = EACCES;
return -1;
}
fd_list[fd].file = (File *)malloc(sizeof(File));
if (!fd_list[fd].file) {
fprintf(stderr, "No memory!\n");
r->_errno = ENOMEM;
return -1;
}
if ( (file_fopen(fd_list[fd].file, fs, (esint8*)pathname, m)) != 0) {
fprintf(stderr, "Unable to open the file\n");
r->_errno = EACCES;
return(-1);
}
fd_list[fd].used = 1;
return fd;
}
r->_errno = ENFILE;
return -1;
}
