Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
This commit is contained in:
parent
cf91100bce
commit
fa1b3d3922
1435 changed files with 757174 additions and 0 deletions
146
examples/loadables/mkfifo.c
Normal file
146
examples/loadables/mkfifo.c
Normal file
|
@ -0,0 +1,146 @@
|
|||
/* mkfifo - make FIFOs */
|
||||
|
||||
/* See Makefile for compilation details. */
|
||||
|
||||
/*
|
||||
Copyright (C) 1999-2020 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Bash.
|
||||
Bash is free software: you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
Bash is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with Bash. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
|
||||
#include "bashtypes.h"
|
||||
#include "posixstat.h"
|
||||
#include <errno.h>
|
||||
#include <stdio.h>
|
||||
#include "bashansi.h"
|
||||
#if defined (HAVE_UNISTD_H)
|
||||
# include <unistd.h>
|
||||
#endif
|
||||
|
||||
#include "builtins.h"
|
||||
#include "shell.h"
|
||||
#include "bashgetopt.h"
|
||||
#include "common.h"
|
||||
|
||||
#if !defined (errno)
|
||||
extern int errno;
|
||||
#endif
|
||||
|
||||
#define ISOCTAL(c) ((c) >= '0' && (c) <= '7')
|
||||
|
||||
extern int parse_symbolic_mode ();
|
||||
|
||||
static int original_umask;
|
||||
|
||||
int
|
||||
mkfifo_builtin (list)
|
||||
WORD_LIST *list;
|
||||
{
|
||||
int opt, mflag, omode, rval, nmode, basemode;
|
||||
char *mode;
|
||||
WORD_LIST *l;
|
||||
|
||||
mflag = 0;
|
||||
mode = (char *)NULL;
|
||||
|
||||
reset_internal_getopt ();
|
||||
while ((opt = internal_getopt(list, "m:")) != -1)
|
||||
switch (opt)
|
||||
{
|
||||
case 'm':
|
||||
mflag = 1;
|
||||
mode = list_optarg;
|
||||
break;
|
||||
CASE_HELPOPT;
|
||||
default:
|
||||
builtin_usage();
|
||||
return (EX_USAGE);
|
||||
}
|
||||
list = loptend;
|
||||
|
||||
if (list == 0)
|
||||
{
|
||||
builtin_usage ();
|
||||
return (EX_USAGE);
|
||||
}
|
||||
|
||||
basemode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH;
|
||||
if (mode == NULL)
|
||||
omode = basemode;
|
||||
else if (ISOCTAL (*mode)) /* octal number */
|
||||
{
|
||||
omode = read_octal (mode);
|
||||
if (omode < 0)
|
||||
{
|
||||
builtin_error ("invalid file mode: %s", mode);
|
||||
return (EXECUTION_FAILURE);
|
||||
}
|
||||
}
|
||||
else /* symbolic mode */
|
||||
{
|
||||
/* initial bits are a=rwx; the mode argument modifies them */
|
||||
omode = parse_symbolic_mode (mode, basemode);
|
||||
if (omode < 0)
|
||||
{
|
||||
builtin_error ("invalid file mode: %s", mode);
|
||||
return (EXECUTION_FAILURE);
|
||||
}
|
||||
}
|
||||
|
||||
/* Make the new mode */
|
||||
original_umask = umask (0);
|
||||
umask (original_umask);
|
||||
|
||||
nmode = basemode & ~original_umask;
|
||||
/* Adjust new mode based on mode argument */
|
||||
nmode &= omode;
|
||||
|
||||
for (rval = EXECUTION_SUCCESS, l = list; l; l = l->next)
|
||||
{
|
||||
if (mkfifo (l->word->word, nmode) < 0)
|
||||
{
|
||||
builtin_error ("cannot create FIFO `%s': %s", l->word->word, strerror (errno));
|
||||
rval = EXECUTION_FAILURE;
|
||||
}
|
||||
}
|
||||
return rval;
|
||||
}
|
||||
|
||||
|
||||
char *mkfifo_doc[] = {
|
||||
"Create FIFOs (named pipes).",
|
||||
"",
|
||||
"Make FIFOs. Create the FIFOs named as arguments, in",
|
||||
"the order specified, using mode a=rw as modified by the current",
|
||||
"umask (see `help umask'). The -m option causes the file permission",
|
||||
"bits of the final FIFO to be MODE. The MODE argument may be",
|
||||
"an octal number or a symbolic mode like that used by chmod(1). If",
|
||||
"a symbolic mode is used, the operations are interpreted relative to",
|
||||
"an initial mode of \"a=rw\". mkfifo returns 0 if the FIFOs are",
|
||||
"umask, plus write and search permissions for the owner. mkdir",
|
||||
"created successfully, and non-zero if an error occurs.",
|
||||
(char *)NULL
|
||||
};
|
||||
|
||||
struct builtin mkfifo_struct = {
|
||||
"mkfifo",
|
||||
mkfifo_builtin,
|
||||
BUILTIN_ENABLED,
|
||||
mkfifo_doc,
|
||||
"mkfifo [-m mode] fifo_name [fifo_name ...]",
|
||||
0
|
||||
};
|
Loading…
Add table
Add a link
Reference in a new issue