shithub: tree

ref: 55e6ac75ac8bb1e1994073bcb3417edc34d4c940
dir: /tree.c/

#include <u.h> 
#include <libc.h> 

int level; 

void 
indent(void) 
{ 
	int i; 
	for(i=0; i<level; ++i){ 
		print("  "); 
	} 
} 

void 
tree(char *path) 
{ 
	Dir *dir = dirstat(path); 
	indent(); 
	print("%s\n", dir->name); 
	level++; 
	free(dir); 
	int fd = open(path, OREAD); 
	long ndir = dirreadall(fd, &dir); 
	int i; 
	for(i=0; i<ndir; ++i){ 
		if((dir+i)->qid.type){ 
			int len = strlen(path) + strlen((dir+i)->name); 
			char *name = malloc(sizeof(char) * len); 
			sprint(name, "%s/%s", path, (dir+i)->name); 
			tree(name); 
			level--; 
			/*free(name);*/ 
		}else{ 
			indent(); 
			print("%s\n", (dir+i)->name); 
		} 
	}
	free(dir);
}

void
main(int argc, char **argv)
{
	if(argc == 1) argv[1] = ".";
	level = 0;
	tree(argv[1]);
}