add mkfifo

Makefile

@@ -2,7 +2,7 @@ include config.mk
 
 LIB = util/enmasse.o util/eprintf.o util/recurse.o
 SRC = basename.c cat.c chown.c date.c dirname.c echo.c false.c grep.c ln.c \
-      pwd.c rm.c sleep.c tee.c touch.c true.c wc.c
+      mkfifo.c pwd.c rm.c sleep.c tee.c touch.c true.c wc.c
 OBJ = $(SRC:.c=.o) $(LIB)
 BIN = $(SRC:.c=)
 MAN = $(SRC:.c=.1)

chown.1

@@ -5,7 +5,7 @@ chown \- change file ownership
 .B chown
 .RB [ -Rr ]
 .RI [ owner ][: group ]
-.RI [ files ...]
+.RI [ file ...]
 .SH DESCRIPTION
 .B chown
 changes the user or group ownership for the given files.

config.mk

@@ -4,8 +4,6 @@ VERSION = 0.0
 #CC = cc
 #CC = musl-gcc
 
-AR = ar
-
 CPPFLAGS = -D_POSIX_C_SOURCE=200112L
 CFLAGS   = -Os -ansi -Wall -pedantic $(CPPFLAGS)
 LDFLAGS  = -s -static

ln.1

@@ -9,7 +9,7 @@ ln \- make links between files
 .P
 .B ln
 .RB [ \-s ]
-.RI [ files ...]
+.RI [ file ...]
 .RI [ directory ]
 .SH DESCRIPTION
 .B ln

mkfifo.1

@@ -0,0 +1,9 @@
+.TH MKFIFO 1 sbase\-VERSION
+.SH NAME
+mkfifo \- make named pipe
+.SH SYNOPSIS
+.B mkfifo
+.RI [ name ...]
+.SH DESCRIPTION
+.B mkfifo
+creates named pipes (FIFOs) with the given names.

mkfifo.c

@@ -0,0 +1,17 @@
+/* See LICENSE file for copyright and license details. */
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include "util.h"
+
+int
+main(int argc, char *argv[])
+{
+	while(getopt(argc, argv, "") != -1)
+		exit(EXIT_FAILURE);
+	for(; optind < argc; optind++)
+		if(mkfifo(argv[optind], S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) != 0)
+			eprintf("mkfifo %s:", argv[optind]);
+	return EXIT_SUCCESS;
+}

rm.1

@@ -4,7 +4,7 @@ rm \- remove files and directories
 .SH SYNOPSIS
 .B rm
 .RB [ \-fr ]
-.RI [ files ...]
+.RI [ file ...]
 .SH DESCRIPTION
 .B rm
 removes the given files and directories.