/* getBasenameCwd: return basename in buf */
static char *
getBasenameCwd(char *buf)
{
struct dirent *dp;
DIR *dirp;
ino_t inoD, inoP;
inoD = getIno(".");
inoP = getIno("..");
if (inoD == -1 || inoP == -1) {
fprintf(stderr, "failed to get inode numbers");
return NULL;
}
if (inoD == inoP) {
strcpy(buf, "/");
return buf;
}
dirp = opendir("..");
if (dirp == NULL)
errExit("opendir: ..");
for (;;) {
errno = 0;
dp = readdir(dirp);
if (dp == NULL)
break;
if (strcmp(dp->d_name, ".") == 0 || strcmp(dp->d_name, "..") == 0)
continue;
if (dp->d_ino == inoD) {
strcpy(buf, dp->d_name);
return buf;
}
}
return NULL;
}
long* getInos(char* path, int max) {
if(path == NULL || max <= 0 || max > getAlphaCaseCombinationNum(path)) {
errno = EPERM;
return NULL;
}
long* inos = (long *) malloc(sizeof(long) * max);
char* fileName = strstr(path, basename(path));
int allCombinationNum = getCaseCombinationNum(fileName);
int i = 0;
for(int bitmap = 0; bitmap < allCombinationNum; bitmap++) {
if(setCombination(fileName, bitmap)) {
long ino = getIno(path);
if(ino == -1) {
free(inos);
return NULL;
}
inos[i++] = ino;
}
if(i == max)
break;
}
return inos;
}