/**
* -[acm]{min,time} tests.
*/
bool eval_acmtime(const struct expr *expr, struct eval_state *state) {
const struct stat *statbuf = fill_statbuf(state);
if (!statbuf) {
return false;
}
const struct timespec *time;
switch (expr->timefield) {
case ATIME:
time = &statbuf->st_atim;
break;
case CTIME:
time = &statbuf->st_ctim;
break;
case MTIME:
time = &statbuf->st_mtim;
break;
}
time_t diff = timespec_diff(&expr->reftime, time);
switch (expr->timeunit) {
case MINUTES:
diff /= 60;
break;
case DAYS:
diff /= 60*60*24;
break;
}
return do_cmp(expr, diff);
}
/**
* -i?lname test.
*/
bool eval_lname(const struct expr *expr, struct eval_state *state) {
struct BFTW *ftwbuf = state->ftwbuf;
if (ftwbuf->typeflag != BFTW_LNK) {
return false;
}
const struct stat *statbuf = fill_statbuf(state);
if (!statbuf) {
return false;
}
size_t size = statbuf->st_size + 1;
char *name = malloc(size);
if (!name) {
eval_error(state);
return false;
}
ssize_t ret = readlinkat(ftwbuf->at_fd, ftwbuf->at_path, name, size);
if (ret < 0) {
eval_error(state);
return false;
} else if (ret >= size) {
return false;
}
name[ret] = '\0';
bool match = fnmatch(expr->sdata, name, expr->idata) == 0;
free(name);
return match;
}
/**
* -samefile test.
*/
bool eval_samefile(const struct expr *expr, struct eval_state *state) {
const struct stat *statbuf = fill_statbuf(state);
if (!statbuf) {
return false;
}
return statbuf->st_dev == expr->dev && statbuf->st_ino == expr->ino;
}
/**
* -links test.
*/
bool eval_links(const struct expr *expr, struct eval_state *state) {
const struct stat *statbuf = fill_statbuf(state);
if (!statbuf) {
return false;
}
return do_cmp(expr, statbuf->st_nlink);
}
/**
* -print action.
*/
bool eval_print(const struct expr *expr, struct eval_state *state) {
const struct colors *colors = state->cmdline->stdout_colors;
if (colors) {
fill_statbuf(state);
}
pretty_print(colors, state->ftwbuf);
return true;
}
/*
* -ENOENT, -ENOTDIR, -ENAMETOOLONG
*/
int sys_stat(const char *path, struct stat *buf)
{
uint64_t inum;
inum = name_i(path);
if (inum < 0)
return inum;
fill_statbuf(inum, buf);
return 0;
}
int sys_fstat(int fd, struct stat *buf)
{
struct file *file;
file = unrolled_lookup(¤t->fdtable, fd);
if (file == NULL)
return -EBADF;
fill_statbuf(file->inum, buf);
return 0;
}
/**
* -empty test.
*/
bool eval_empty(const struct expr *expr, struct eval_state *state) {
bool ret = false;
struct BFTW *ftwbuf = state->ftwbuf;
if (ftwbuf->typeflag == BFTW_DIR) {
int dfd = openat(ftwbuf->at_fd, ftwbuf->at_path, O_DIRECTORY);
if (dfd < 0) {
eval_error(state);
goto done;
}
DIR *dir = fdopendir(dfd);
if (!dir) {
eval_error(state);
close(dfd);
goto done;
}
ret = true;
struct dirent *de;
while ((de = readdir(dir)) != NULL) {
if (strcmp(de->d_name, ".") != 0 && strcmp(de->d_name, "..") != 0) {
ret = false;
break;
}
}
closedir(dir);
} else {
const struct stat *statbuf = fill_statbuf(state);
if (statbuf) {
ret = statbuf->st_size == 0;
}
}
done:
return ret;
}
/**
* -[ac]?newer tests.
*/
bool eval_acnewer(const struct expr *expr, struct eval_state *state) {
const struct stat *statbuf = fill_statbuf(state);
if (!statbuf) {
return false;
}
const struct timespec *time;
switch (expr->timefield) {
case ATIME:
time = &statbuf->st_atim;
break;
case CTIME:
time = &statbuf->st_ctim;
break;
case MTIME:
time = &statbuf->st_mtim;
break;
}
return time->tv_sec > expr->reftime.tv_sec
|| (time->tv_sec == expr->reftime.tv_sec && time->tv_nsec > expr->reftime.tv_nsec);
}
