c.c

#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <dirent.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>

typedef struct entry {
	char* path;
	struct entry* next;
} ENTRY;


ENTRY* downto (char* root, ENTRY* entry) {
	DIR* dir;
	printf("downto %s\n", root);

	dir = opendir(root);
	if (dir == NULL) return NULL;

	struct dirent* ent;
	char* path;
	while ((ent = readdir(dir)) != NULL) {
		path = calloc(strlen(root) + strlen(ent->d_name) + 2, sizeof(char));
		sprintf(path, "%s/%s", root, ent->d_name);

		if (strcmp(ent->d_name, ".")  == 0) continue;
		if (strcmp(ent->d_name, "..") == 0) continue;

		entry->next = (ENTRY*)malloc(sizeof(ENTRY));
		entry = entry->next;
		entry->next = NULL;
		entry->path = path;
		// printf("%s\n", entry->path);

		struct stat s;
		stat(path, &s);

		// printf("%s %d\n", path, S_ISDIR(s.st_mode));
		if (S_ISDIR(s.st_mode)) {
			entry = downto(path, entry);
		}

		// free(path);
	}

	closedir(dir);
	return entry;
}

int main (int argc, char* argv[]) {
	ENTRY* top_entry;
	ENTRY* entry;

	if (argc != 2) {
		fprintf(stderr, "usage: %s [path]", argv[0]);
		return -1;
	}

	top_entry = (ENTRY*)malloc(sizeof(ENTRY));
	memset(top_entry, 0, sizeof(ENTRY));
	//downto("/home/cho45/blosxom-test-data", &entries);
	downto(argv[1], top_entry);

	entry = top_entry;
	while ((entry = entry->next)) {
		printf("%s\n", entry->path);
	}

	while (top_entry) {
		entry = top_entry;
		if (entry->path) free(entry->path);
		top_entry = entry->next;
		free(entry);
	}

	return 0;
}