os2w2 klaar

4 files changed, 78 insertions, 0 deletions

diff --git a/os2w2/.gitignore b/os2w2/.gitignore
new file mode 100644
index 0000000..f0c9b81
--- /dev/null
+++ b/os2w2/.gitignore
@@ -0,0 +1,2 @@
+*.o
+main
diff --git a/os2w2/main.c b/os2w2/main.c
new file mode 100644
index 0000000..18108fd
--- /dev/null
+++ b/os2w2/main.c
@@ -0,0 +1,60 @@
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+
+/** @brief stat file to get modified date and print name */
+void print_file(const char* path) {
+	struct stat *info = malloc(sizeof(struct stat));
+	stat(path, info);
+
+	struct tm mtime;
+	localtime_r(&(info->st_mtime), &mtime);
+
+	free(info);
+
+	printf("%04d-%02d-%02d %02d:%02d:%02d %s\n",
+			mtime.tm_year+1900, mtime.tm_mon+1, mtime.tm_mday,
+			mtime.tm_hour, mtime.tm_min, mtime.tm_sec,
+			path);
+}
+
+/** @brief list directory tree recursively */
+void ls_rec(const char *path) {
+	DIR *dir = opendir(path); // get directory handle (used until all content is listed)
+	if (dir == NULL) return; // return early if path is not a directory
+
+	struct dirent *entry;
+	while ((entry = readdir(dir)) != NULL) { // read next file in dir
+		char full_path[1024]; // current entry name with full path prefix
+		snprintf(full_path, sizeof(full_path), "%s/%s", path, entry->d_name); // prepend current directory to current entry
+
+		if (entry->d_type != DT_DIR) {
+			print_file(full_path);
+			continue; // don't try to print files recursively
+		}
+		if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
+			continue; // ignore current and parent directory
+
+		print_file(full_path);
+		ls_rec(full_path);
+	}
+
+	closedir(dir); // free directory handle
+}
+
+int main(int argc, const char** argv) {
+	if (argc < 2) {
+		printf("no input directory!\n");
+		return 1;
+	}
+
+	ls_rec(argv[1]);
+
+	return 0;
+}
+
diff --git a/os2w2/makefile b/os2w2/makefile
new file mode 100644
index 0000000..1b726be
--- /dev/null
+++ b/os2w2/makefile
@@ -0,0 +1,16 @@
+CC = gcc
+LD = gcc
+
+CFLAGS += -g
+
+all: main
+
+main: main.o
+	$(LD) $^ $(LFLAGS) -o $@
+
+%.o: %.c
+	$(CC) -c $(CFLAGS) $< -o $@
+
+clean:
+	$(RM) main.o main
+
diff --git a/os2w2/werkt.png b/os2w2/werkt.png
new file mode 100644
index 0000000..fa30636
--- /dev/null
+++ b/os2w2/werkt.png