fix

TODO

@@ -1,7 +1,6 @@
 With "micro-" prefix
 
 *Todo:
-*nl
 tail
 expr
 uniq

builder/config.h

@@ -19,6 +19,6 @@ const char *objects[] = {
 /* Need by spark */
 #define LDFLAGS "-lm"
 
-#define CFLAGS "-Wall", "-Werror", "-Wextra", "-pedantic", "-flto", "-Os", "-s", "-I../libmu", "-I../", LDFLAGS
+#define CFLAGS "-Wall", "-Werror", "-Wextra", "-pedantic", "-flto", "-Os", "-s", "-I../libmu", "-I../", "--std", "c99", LDFLAGS
 #define CC "cc"
 #endif

coreutils/nl.c

@@ -20,17 +20,18 @@ int nl(const char *path) {
 		return 1;
 	}
 
-	char buf[BUF_SIZE + 1];
-	while (fgets(buf, sizeof(buf), fp)) {
-		size_t len = strlen(buf);
-
-		if (len > 1)
+	char *buf = NULL;
+	size_t size = 0;
+	while (getline(&buf, &size, fp) != EOF) {
+		if (strlen(buf) > 1)
 			fprintf(stdout, "%*u\t%s", w_flag, lines++, buf);
 
 		else
 			fprintf(stdout, "%*s\t%s", w_flag, " ", buf);
 	}
 
+	free(buf);
+
 	if (strcmp(path, "-"))
 		fclose(fp);
 

coreutils/truncate.c

@@ -1,55 +0,0 @@
-#include <fcntl.h>
-#include <stdio.h>
-#include <errno.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-int main(int argc, char **argv) {
-	unsigned int c_flag = 0;
-	unsigned int s_size = 0;
-
-	int opt;
-	while ((opt = getopt(argc, argv, "s:c")) != -1) {
-		switch (opt) {
-			case 's':
-				s_size = atoi(optarg);
-				break;
-
-			case 'c':
-				c_flag = 1;
-				break;
-
-			default:
-				printf("truncate [file]\n\t[-c Do not create files] [-s SIZE]\n");
-				return 0;
-		}
-	}
-
-	argv += optind;
-	argc -= optind;
-
-	if (argc == 0) {
-		fprintf(stderr, "truncate: missing operand\n");
-		return 1;
-	}
-
-	int flags = O_WRONLY | O_NONBLOCK;
-	if (!c_flag)
-		flags |= O_CREAT;
-
-	int fd = open(argv[0], flags, 0666);
-	if (fd < 0) {
-		fprintf(stderr, "truncate %s %s\n", argv[0], strerror(errno));
-		return 1;
-	}
-
-	if (ftruncate(fd, s_size) == -1) {
-		close(fd);
-		fprintf(stderr, "truncate %s %s\n", argv[0], strerror(errno));
-		return 1;
-	}
-
-	close(fd);
-	return 0;
-}

coreutils/who.c

@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <utmpx.h>
+#include <time.h>
+
+int time_to_str(char *buf, size_t len, struct utmpx *usr) {
+	time_t t = usr->ut_tv.tv_sec;
+	struct tm *tmp = localtime(&t);
+
+	if (tmp)
+		strftime(buf, len, "%F %H:%M", tmp);
+
+	else
+		return 1;
+
+	return 0;
+}
+
+int main(void) {
+	setutxent();
+
+	struct utmpx *usr;
+	while ((usr = getutxent())) {
+		if (usr->ut_type == USER_PROCESS) {
+			char time_buf[20];
+			if (time_to_str(time_buf, sizeof(time_buf), usr))
+				continue;
+
+			printf("%s\t%s\t%s\t(%s)\n", usr->ut_user, usr->ut_line, time_buf, usr->ut_host);
+		}
+	}
+
+	endutxent();
+}

findutils/xargs.c

@@ -50,7 +50,7 @@ int stdin_read(void) {
 			break;
 		}
 
-		else if (isspace(c) && strlen(arg) > 0) {
+		else if ((isspace(c)) && strlen(arg) > 0) {
 			*p = '\0';
 			p = arg;
 
@@ -61,6 +61,9 @@ int stdin_read(void) {
 		}
 
 		else {
+			if (c == '\\')
+				c = getchar();
+
 			*p = c;
 			if (p + 1 == arg + sizeof(arg))
 				break;
@@ -96,9 +99,6 @@ int run(void) {
 }
 
 int main(int argc, char **argv) {
-	for (int i = 0; i < argc; i++)
-		if (argv[i][0] == '-')
-			argc--;
 
 	int opt;
 	while ((opt = getopt(argc, argv, "tn:r")) != -1) {

networking/nc.c

@@ -0,0 +1,49 @@
+#include <stdio.h>
+#include <signal.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include "unused.h"
+
+int main(int argc, char **argv) {
+	int family = AF_UNSPEC;
+	int port = 33137;
+	unsigned int l_flag;
+
+	UNUSED(port);
+	UNUSED(l_flag);
+	UNUSED(family);
+
+	int opt;
+	while ((opt = getopt(argc, argv, "46vp:nl")) != 1) {
+		switch (opt) {
+			case '4':
+				family = AF_INET;
+				break;
+
+			case '6':
+				family = AF_INET6;
+				break;
+
+			case 'l':
+				l_flag = 1;
+				break;
+
+			case 'p':
+				port = atoi(optarg);
+				break;
+
+			default:
+				printf("nc\n\t[-4 Use ipv4] [-6 Use ipv6]\n\t[-v Verbose] [-p Port Listen port]\n\t[-u Udp mode] [-l Listen]\n\t[-n Don't do DNS resolution]\n");
+				return 0;
+		}
+	}
+
+	argv += optind;
+	argc -= optind;
+
+	signal(SIGPIPE, SIG_IGN);
+
+	return 0;
+}