fixes, 1/2 dd writted

configs/rc.init

@@ -1,10 +1,9 @@
 #!/bin/sh
-echo "Mounting..."
+echo "[*] Mounting..."
 mount -a
 
-echo "Setuping hostname..."
+echo "[*] Hostname..."
 hostname -c /etc/hostname
 
-reset
 cat /etc/motd
-env TERM="vt100" login
+env TERM="linux" login

configs/rc.poweroff

@@ -1,9 +1,9 @@
 #!/bin/sh
-echo "Umounting..."
+echo "[*] Umounting..."
 umount -a
 
-echo "Closing processes..."
+echo "[*] Closing processes..."
 kill -a -s TERM
 sleep 5
 
-echo "Poweroff..."
+echo "[*] Poweroff..."

src/coreutils/dd/build.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+project_dir=$(pwd)
+echo ./*.c $CFLAGS -o $OUTPUT$(basename $project_dir) | xargs $CC

src/coreutils/dd/dd.c

@@ -0,0 +1,162 @@
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include "unused.h"
+
+int openfile(int flag, char *path, int mode) {
+	if (!strcmp(path, "-")) {
+		if (flag)
+			return STDOUT_FILENO;
+
+		return STDIN_FILENO;
+	}
+
+	int fd = open(path, mode, 0666);
+	if (fd < 0) {
+		fprintf(stderr, "dd: %s: %s\n", path, strerror(errno));
+		exit(1);
+	}
+
+	return fd;
+}
+
+size_t strtonum(char *str) {
+	char *p = NULL;
+	size_t res = strtoll(str, &p, 10);
+	if (str != p) {
+		if (!strcmp(p, "b"))
+			res *= 512;
+
+		else if (!strcmp(p, "MB"))
+			res *= 1000000;
+
+		else if (!strcmp(p, "M"))
+			res *= 1048576;
+
+		else if (!strcmp(p, "KB"))
+			res *= 1024;
+
+		else if (!strcmp(p, "kB"))
+			res *= 1000;
+
+		else if (!strcmp(p, "G"))
+			res *= 1000000000;
+
+		else if (!strcmp(p, "GB"))
+			res *= 1073741824;
+	}
+
+	if (res <= 1)
+		res = 0;
+
+	return res;
+}
+
+int main(int argc, char **argv) {
+	char *ifp = "-";
+	char *ofp = "-";
+
+	off_t skip = 0;
+	off_t seek = 0;
+	off_t count = -1;
+
+	off_t bs = 0;
+	off_t ibs = 512;
+	off_t obs = 512;
+
+	int ofd = STDOUT_FILENO;
+	int ifd = STDIN_FILENO;
+
+	/* Return value */
+	int ret = 1;
+	for (int i = 1; i < argc; i++) {
+		char *arg = argv[i];
+
+		char *val = strchr(arg, '=');
+		if (val == NULL) {
+			printf("dd\n\t[if=InputFile]\n\t[of=OutputFile]\n\nN and BYTES may be followed by the following multiplicative\nsuffixes: w=2, b=512, kB=1000, K=1024, MB=1000*1000,\nM=1024*1024, GB=1000*1000*1000, G=1024*1024*1024\n");
+			return 1;
+		}
+
+		*val = '\0';
+		val++;
+
+		/* Get value */
+		if (!strcmp(arg, "if"))
+			ifp = val;
+
+		else if (!strcmp(arg, "of"))
+			ofp = val;
+
+		else if (!strcmp(arg, "seek"))
+			seek = strtonum(val);
+
+		else if (!strcmp(arg, "skip"))
+			skip = strtonum(val);
+
+		else if (!strcmp(arg, "count"))
+			count = strtonum(val);
+
+		else if (!strcmp(arg, "bs"))
+			bs = strtonum(val);
+
+		else if (!strcmp(arg, "ibs"))
+			ibs = strtonum(val);
+
+		else if (!strcmp(arg, "obs"))
+			obs = strtonum(val);
+	}
+
+	if (bs) {
+		ibs = bs;
+		obs = bs;
+	}
+
+	/* Make input buffer */
+	char *buf = malloc(ibs);
+	if (buf == NULL) {
+		fprintf(stderr, "dd: %s\n", strerror(errno));
+		return 1;
+	}
+
+	/* Open files. Input */
+	ifd = openfile(0, ifp, O_RDONLY);
+	if (skip) {
+		if (lseek(ifd, skip * ibs, SEEK_CUR) < 0)
+			goto CLOSE;
+	}
+
+	/* Output */
+	int oflag = O_WRONLY | O_CREAT;
+	if (seek)
+		oflag |= O_TRUNC;
+
+	ofd = openfile(1, ofp, oflag);
+	if (seek) {
+		if (ftruncate(ofd, seek * ibs) < 0 || lseek(ofd, seek * ibs, SEEK_SET) < 0) {
+			fprintf(stderr, "dd: %s\n", strerror(errno));
+			goto CLOSE;
+		}
+	}
+
+	/* dd */
+
+	if (fsync(ofd) < 0)
+		goto CLOSE;
+
+	ret = 0;
+
+CLOSE:
+	free(buf);
+	close(ifd);
+	close(ofd);
+
+	/* tmp */
+	UNUSED(obs);
+	UNUSED(count);
+
+	return ret;
+}

src/coreutils/du/du.c

@@ -21,11 +21,8 @@ void print(off_t size, const char *filename) {
 	if (h_flag)
 		printf("%s\t%s%c", mu_humansize(size * BLK_SIZE), filename, n_flag);
 
-	else if (b_flag)
-		printf("%ju\t%s%c", (intmax_t)size, filename, n_flag);
-
 	else
-		printf("%ju\t%s%c", ((intmax_t)size * BLK_SIZE) / 1024, filename, n_flag);
+		printf("%jd\t%s%c", (intmax_t)size * BLK_SIZE / 1024, filename, n_flag);
 }
 
 off_t du(const char *path, int recurs_flag) {
@@ -70,11 +67,7 @@ off_t du(const char *path, int recurs_flag) {
 
 	/* Get file size */
 	else {
-		if (b_flag)
-			sum = sb.st_size;
-
-		else
-			sum = (512 * sb.st_blocks + BLK_SIZE - 1) / BLK_SIZE;
+		sum = (512 * sb.st_blocks + BLK_SIZE - 1) / BLK_SIZE;
 
 		if (c_flag)
 			total += sum;
@@ -99,11 +92,6 @@ int main(int argc, char **argv) {
 				s_flag = 1;
 				break;
 
-			case 'b':
-				b_flag = 1;
-				h_flag = 0;
-				break;
-
 			case 'c':
 				c_flag = 1;
 				break;
@@ -113,7 +101,7 @@ int main(int argc, char **argv) {
 				break;
 
 			default:
-				printf("du [src1 src2...]\n\t[-h Sizes in human readable format]\n\t[-s Display only a total for each argument]\n\t[-b Size in bytes] [-c produce a grand total]\n\t[-0 end each output line with NUL, not newline]\n");
+				printf("du [src1 src2...]\n\t[-h Sizes in human readable format]\n\t[-s Display only a total for each argument]\n\t[-c produce a grand total]\n\t[-0 end each output line with NUL, not newline]\n");
 				return 0;
 		}
 	}