static void traverse_file(char *filename) {
struct stat buf;
int st;
int link = 0;
int r;
st = lstat(filename, &buf);
if (!st && S_ISLNK(buf.st_mode)) { /* is a symbolic link */
link = 1;
st = stat(filename, &buf);
}
if (st || !S_ISDIR(buf.st_mode)) {
file_action(filename);
return;
}
/* is a directory */
if (cmd.recursive<=1 && link==1) { /* ignore link */
if (cmd.verbose>=0) {
fprintf(stderr, "%s: %s: directory is a symbolic link -- ignored\n", cmd.name, filename);
symlink_warnings++;
}
return;
}
if (cmd.recursive==0) { /* ignore */
if (cmd.verbose>=0) {
fprintf(stderr, "%s: %s: is a directory -- ignored\n", cmd.name, filename);
isreg_warnings++;
}
return;
}
r = known_inode(buf.st_ino, buf.st_dev);
if (r != -1) { /* already traversed */
if (cmd.verbose>0) {
fprintf(stderr, "Already visited directory %s -- skipped.\n", filename);
}
return;
}
add_inode(buf.st_ino, buf.st_dev, 1);
/* recursively traverse directory */
{
char **filelist;
int count;
get_filelist(filename, &filelist, &count);
traverse_files(filelist, count);
free_filelist(filelist, count);
}
return;
}
void read_dir(const char * directory, void (*file_action)(const char *)) {
uint length;
struct dirent *dirent;
DIR *dir;
dir = opendir(directory);
if (dir != NULL) {
while ((dirent = readdir(dir)) != NULL) {
length = strlen (dirent->d_name);
if (length >= 4) {
if (strcmp (".bmp", &(dirent->d_name[length - 4])) == 0) {
char path[PATH_MAX + 1];
realpath(dirent->d_name, path);
file_action(path);
}
}
}
closedir(dir);
}
}