386BSD 0.0 development

Work on file usr/src/usr.bin/mkfifo/mkfifo.c

Co-Authored-By: Lynne Greer Jolitz <ljolitz@cardio.ucsf.edu>
Synthesized-from: 386BSD-0.0/src

diff --git a/usr/src/usr.bin/mkfifo/mkfifo.c b/usr/src/usr.bin/mkfifo/mkfifo.c
new file mode 100644 (file)
index 0000000..1c9529a
--- /dev/null
+++ b/usr/src/usr.bin/mkfifo/mkfifo.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 1990 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1990 Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)mkfifo.c   5.3 (Berkeley) 6/1/90";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+main(argc, argv)
+       int argc;
+       char **argv;
+{
+       extern int errno, optind;
+       int ch, exitval, pflag;
+
+       pflag = 0;
+       while ((ch = getopt(argc, argv, "p")) != EOF)
+               switch(ch) {
+               case 'p':
+                       pflag = 1;
+                       break;
+               case '?':
+               default:
+                       usage();
+               }
+
+       if (!*(argv += optind))
+               usage();
+
+       for (exitval = 0; *argv; ++argv) {
+               if (pflag && build(*argv)) {
+                       exitval |= 1;
+                       continue;
+               }
+               if (mkfifo(*argv, 0777) < 0) {
+                       (void)fprintf(stderr, "mkfifo: %s: %s\n",
+                           *argv, strerror(errno));
+                       exitval |= 1;
+               }
+       }
+       exit(exitval);
+}
+
+build(path)
+       char *path;
+{
+       register char *p;
+       struct stat sb;
+
+       for (p = path; *p; p++) {
+               if (*p  != '/')
+                       continue;
+               if (stat(path, &sb)) {
+                       if (errno != ENOENT || mkdir(path, 0777) < 0) {
+                               (void)fprintf(stderr, "mkdir: %s: %s\n",
+                                   path, strerror(errno));
+                               return(1);
+                       }
+               }
+               *p = '/';
+       }
+       return(0);
+}
+
+usage()
+{
+       (void)fprintf(stderr, "usage: mkfifo [-p] fifoname ...\n");
+       exit(1);
+}