Initial release

src/mkfifo.c

@@ -0,0 +1,61 @@
+/* mkfifo.c */
+
+
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+extern char * optarg;
+extern int optind;
+#include <stdio.h>
+#include <stdlib.h>
+
+
+/* mkfifo */
+static int _mkfifo(char const * pathname, mode_t mode)
+{
+	if(mkfifo(pathname, mode) == -1)
+	{
+		perror("mkfifo");
+		return 2;
+	}
+	return 0;
+}
+
+
+/* usage */
+static int usage(void)
+{
+	fprintf(stderr, "Usage: mkfifo [-m mode] file...\n\
+  -m    create fifo with the specified mode value\n");
+	return 1;
+}
+
+
+/* main */
+int main(int argc, char * argv[])
+{
+	mode_t mode = 0777;
+	int errcode = 0;
+	int o;
+	int i;
+
+	while((o = getopt(argc, argv, "m:")) != -1)
+	{
+		switch(o)
+		{
+			case 'm':
+				if((mode = strtol(optarg, NULL, 8)) > 0777)
+					return usage();
+				break;
+			case '?':
+				return usage();
+		}
+	}
+	if(argc == optind)
+		return usage();
+	for(i = optind; i < argc; i++)
+		if(_mkfifo(argv[i], mode) == 2)
+			errcode = 2;
+	return errcode;
+}