du1/2

coreutils/cat.c

@@ -29,7 +29,7 @@ int main(const int argc, const char **argv) {
 		else if (!strcmp(argv[i], "-n"))
 			flag = 1;
 
-		else if (!strcmp(argv[i], "-h")) {
+		else if (!strcmp(argv[i], "--help")) {
 			printf("cat [-n (numerate)] [file1 file2 ...]\n");
 			return 0;
 		}

coreutils/cp.c

@@ -113,11 +113,13 @@ int cptree(const char *src, const char *dst) {
 
 		char *src_path = make_path(src, ep->d_name);
 		if (src_path == NULL)
-			return 1;
+			continue;
 
 		char *dst_path = make_path(dst, ep->d_name);
-		if (dst_path == NULL)
-			return 1;
+		if (dst_path == NULL) {
+			free(src_path);
+			continue;
+		}
 
 		cptree(src_path, dst_path);
 
@@ -136,7 +138,7 @@ int main(const int argc, char **argv) {
 		if (argv[i][0] != '-')
 			break;
 
-		else if (!strcmp(argv[i], "-h")) {
+		else if (!strcmp(argv[i], "--help")) {
 			printf("cp [Src] [Dst]\n");
 			return 0;
 		}

coreutils/du.c

@@ -0,0 +1,108 @@
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <dirent.h>
+#include <sys/stat.h>
+
+unsigned int h_flag;
+unsigned int s_flag;
+unsigned int b_flag;
+unsigned int m_flag;
+unsigned int L_flag;
+
+void print(long size, const char *filename) {
+	/* Kb */
+	if (!b_flag)
+		size = size / 1024;
+
+	/* Mb */
+	else if (m_flag)
+		size = size / 1048576;
+
+	printf("%ld\t%s\n", size, filename);
+}
+
+long du(const char *path) {
+	long sum;
+
+	struct stat sb;
+	if (lstat(path, &sb) != 0) {
+		fprintf(stderr, "du: lstat() %s\n", strerror(errno));
+		return 0;
+	}
+
+	if (S_ISDIR(sb.st_mode)) {
+		DIR *dp = opendir(path);
+		if (!dp) {
+			fprintf(stderr, "du: %s\n", strerror(errno));
+			return 0;
+		}
+
+		struct dirent *ep;
+		while ((ep = readdir(dp)) != NULL) {
+			if (!strcmp(ep->d_name, ".") || !strcmp(ep->d_name, ".."))
+				continue;
+
+			size_t len = strlen(path) + strlen(ep->d_name) + 2;
+			char *new_path = malloc(len + 1);
+			if (new_path == NULL)
+				continue;
+
+			snprintf(new_path, len, "%s/%s", path, ep->d_name);
+
+			sum += du(new_path);
+
+			free(new_path);
+		}
+
+		closedir(dp);
+		print(sum, path);
+	}
+
+	else
+		sum += sb.st_size;
+
+	return sum;
+}
+
+int main(const int argc, const char **argv) {
+
+	int i;
+	for (i = 1; i < argc; i++) {
+		if (argv[i][0] != '-')
+			break;
+
+		else if (!strcmp(argv[i], "-h"))
+			h_flag = 1;
+
+		else if (!strcmp(argv[i], "-s"))
+			s_flag = 1;
+
+		else if (!strcmp(argv[i], "-b"))
+			b_flag = 1;
+
+		else if (!strcmp(argv[i], "-m")) {
+			b_flag = 1;
+			m_flag = 1;
+		}
+
+		else if (!strcmp(argv[i], "-L"))
+			L_flag = 1;
+
+		else if (!strcmp(argv[i], "--help")) {
+			printf("du [-h (Sizes in human readable format (e.g., 1K 243M 2G))] [-s (Display only a total for each argument)] [-b (Apparent size)] [-L (Follow all symlinks)] [-m (Size in megabyte)] [file file2...]\n");
+			return 0;
+		}
+	}
+
+	if (argc - i == 0)
+		du(".");
+
+	else
+		for (; i < argc; i++)
+			du(argv[i]);
+
+	return 0;
+}

coreutils/du.c.save

@@ -0,0 +1,56 @@
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+unsigned int h_flag;
+unsigned int s_flag;
+unsigned int b_flag;
+unsigned int m_flag;
+unsigned int L_flag;
+
+int du(const char *path) {
+	struct stat sb;
+	if (lstat(path, &sb)) {
+		fprintf(stderr, "du: lstat() %s\n", strerror(errno));
+		return 0;
+	}
+
+	
+	return 0;
+}
+
+int main(const int argc, const char **argv) {
+
+	int i;
+	for (i = 1; i < argc; i++) {
+		if (argv[i][0] != '-')
+			break;
+
+		else if (!strcmp(argv[i], "-h"))
+			h_flag = 1;
+
+		else if (!strcmp(argv[i], "-s"))
+			s_flag = 1;
+
+		else if (!strcmp(argv[i], "-b"))
+			b_flag = 1;
+
+		else if (!strcmp(argv[i], "-m"))
+			m_flag = 1;
+
+		else if (!strcmp(argv[i], "-L"))
+			L_flag = 1;
+
+		else if (!strcmp(argv[i], "--help")) {
+			printf("du [-h (Sizes in human readable format (e.g., 1K 243M 2G))] [-s (Display only a total for each argument)] [-b (Apparent size)] [-L (Follow all symlinks)] [-m (Size in megabyte)] [file file2...]\n");
+			return 0;
+		}
+	}
+
+	for (; i < argc; i++)
+		du(argv[i]);
+
+	return 0;
+}

coreutils/ln.c

@@ -24,7 +24,7 @@ int main(const int argc, const char **argv) {
 		else if (!strcmp("-s", argv[i]))
 			s_flag = 1;
 
-		else if (!strcmp("-h", argv[i])) {
+		else if (!strcmp("--help", argv[i])) {
 			printf("ln [-s] [TARGET] [LINK/DIR]\n");
 			return 0;
 		}

coreutils/ls.c

@@ -100,8 +100,8 @@ int main(const int argc, const char **argv) {
 		else if (!strcmp(argv[i], "-l"))
 			l_flag = 1;
 
-		else if (!strcmp(argv[i], "-h")) {
-			printf("ls [-a (Show hidden files)] [-l (use a long listing format (month / day / hour:min))] [Path]\n");
+		else if (!strcmp(argv[i], "--help")) {
+			printf("ls [-a (show hidden files)] [-l (use a long listing format)] [Path]\n");
 			return 0;
 		}
 	}

coreutils/mirco-coreutils-version.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+#define MSG "Micro-coreutils: Version 0.1 LICENSE: wtfpl\n"
+
+int main(void) {
+	puts(MSG);
+	return 0;
+}

coreutils/mkdir.c

@@ -43,7 +43,7 @@ int main(const int argc, const char **argv) {
 		else if (!strcmp(argv[i], "-p"))
 			flag = 1;
 
-		else if (!strcmp(argv[i], "-h")) {
+		else if (!strcmp(argv[i], "--help")) {
 			printf("mkdir [-p (make parent dir)] [dir1 dir2...]\n");
 			return 0;
 		}

coreutils/printenv.c

@@ -28,7 +28,7 @@ int main(const int argc, const char **argv, const char **envp) {
 		else if (!strcmp(argv[i], "-0"))
 			nullline = 1;
 
-		else if (!strcmp(argv[i], "-h")) {
+		else if (!strcmp(argv[i], "--help")) {
 			printf("printenv [-n (end each output line with NUL, not newline)]\n");
 			return 0;
 		}

coreutils/reset.c

@@ -0,0 +1,5 @@
+#include <unistd.h>
+
+int main(void) {
+	return write(1, "\033c\033(K\033[J\033[0m\033[?25h", 18) != 18;
+}

coreutils/rm.c

@@ -42,10 +42,8 @@ int rmtree(const char *path) {
 
 		size_t len = strlen(path) + strlen(ep->d_name) + 2;
 		char *full_path = malloc(len + 1);
-		if (full_path == NULL) {
-			fprintf(stderr, "rm: malloc() returned NULL\n");
-			return 1;
-		}
+		if (full_path == NULL)
+			continue;
 
 		snprintf(full_path, len, "%s/%s", path, ep->d_name);
 

coreutils/shred.c

@@ -68,7 +68,7 @@ int main(const int argc, const char **argv) {
 			n_loops = atoi(val + 1);
 		}
 
-		else if (!strcmp(argv[i], "-h")) {
+		else if (!strcmp(argv[i], "--help")) {
 			printf("shred [-n=N (Overwrite N times (default 3))] [-z (Final overwrite with zeros)] [-u (Remove file)] [-f (Chmod to ensure writability)] [FILE...]\n");
 			return 1;
 		}

coreutils/uname.c

@@ -35,7 +35,7 @@ int main(const int argc, const char **argv) {
 		else if (!strcmp("-m", argv[i]))
 			flags[O_MACHINE] = 1;
 
-		else if (!strcmp("-h", argv[i])) {
+		else if (!strcmp("--help", argv[i])) {
 			printf("uname [-a (All)] [-s (Sys)] [-n (Nodename)] [-r (Release)] [-v (Version)] [-m (Machine)]\n");
 			return 0;
 		}

coreutils/wc.c

@@ -75,7 +75,7 @@ int main(const int argc, const char **argv) {
 		else if (!strcmp(argv[i], "-w"))
 			w_flag = 1;
 
-		else if (!strcmp(argv[i], "-h")) {
+		else if (!strcmp(argv[i], "--help")) {
 			printf("wc [-l (lines)] [-c (bytes)] [-w (words)] [file1 file2...]\n");
 			return 0;
 		}