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Make POSIX 1003.2 (D11.2) compliant.

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jtc 1993-07-22 16:30:06 +00:00
parent 07f439a7a5
commit 6b020f1e7d
2 changed files with 48 additions and 47 deletions
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35
usr.bin/mkfifo/mkfifo.1
View File

@ -33,6 +33,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)mkfifo.1 5.6 (Berkeley) 7/1/91
.\" $Header: /cvsroot/src/usr.bin/mkfifo/mkfifo.1,v 1.2 1993/07/22 16:30:06 jtc Exp $
.\"
.Dd July 1, 1991
.Dt MKFIFO 1
@ -42,19 +43,29 @@
.Nd make fifos
.Sh SYNOPSIS
.Nm mkfifo
.Op Fl p
.Op Fl m Ar mode
.Ar fifo_name ...
.Sh DESCRIPTION
.Nm Mkfifo
creates the fifos requested, in the order specified,
using mode
.Li \&0777 .
.Li \&0666
modified by the current
.Xr umask 2 .
.Pp
Options available are:
The options are as follows:
.Bl -tag -width Ds
.It Fl p
Create intermediate directories as required. If this option is not
specified, the full path prefix of each operand must already exist.
.It Fl m
Set the file permission bits of newly-created directories to
.Ar mode .
The mode is specified as in
.Xr chmod 1 .
In symbolic mode strings, the
.Dq +
and
.Dq -
operators are interpreted relative to an assumed initial mode of
.Dq a=rw
.El
.Pp
.Nm Mkfifo
@ -63,18 +74,16 @@ requires write permission in the parent directory.
.Nm Mkfifo
exits 0 if successful, and >0 if an error occurred.
.Sh STANDARDS
.Nm Mkfifo is
The
.Nm Mkfifo
command is expected to be
.St -p1003.2
compliant.
.Pp
This manual page derived from the
.St p1003.2
manual page.
compatible.
.Sh SEE ALSO
.Xr mkdir 1 ,
.Xr rm 1
.Sh HISTORY
The
.Nm
.Nm mkfifo
command is
.Ud

60
usr.bin/mkfifo/mkfifo.c
View File

@ -39,26 +39,43 @@ char copyright[] =
#ifndef lint
static char sccsid[] = "@(#)mkfifo.c 5.3 (Berkeley) 6/1/90";
static char rcsid[] = "$Header: /cvsroot/src/usr.bin/mkfifo/mkfifo.c,v 1.2 1993/07/22 16:30:08 jtc Exp $";
#endif /* not lint */
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
extern void *setmode();
extern mode_t getmode();
main(argc, argv)
int argc;
char **argv;
{
extern int errno, optind;
int ch, exitval, pflag;
int ch, exitval;
void * set;
mode_t mode;
pflag = 0;
while ((ch = getopt(argc, argv, "p")) != EOF)
/* The default mode is the value of the bitwise inclusive or of
S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH
modified by the file creation mask */
mode = 0666 & ~umask(0);
while ((ch = getopt(argc, argv, "m:")) != EOF)
switch(ch) {
case 'p':
pflag = 1;
case 'm':
if (!(set = setmode(optarg))) {
(void)fprintf(stderr, "mkfifo: invalid file mode.\n");
exit(1);
}
/* In symbolic mode strings, the + and - operators are
interpreted relative to an assumed initial mode of
a=rw. */
mode = getmode (set, 0666);
break;
case '?':
default:
@ -69,42 +86,17 @@ main(argc, argv)
usage();
for (exitval = 0; *argv; ++argv) {
if (pflag && build(*argv)) {
exitval |= 1;
continue;
}
if (mkfifo(*argv, 0777) < 0) {
if (mkfifo(*argv, mode) < 0) {
(void)fprintf(stderr, "mkfifo: %s: %s\n",
*argv, strerror(errno));
exitval |= 1;
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");
(void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n");
exit(1);
}