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apps/system/tee: Port tee command from NetBSD

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This commit is contained in:
Gregory Nutt 2016-08-12 17:29:25 -06:00
parent d8c7a8fff8
commit 35c32d4ba0
5 changed files with 464 additions and 0 deletions
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11
system/tee/.gitignore vendored Normal file
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/Make.dep
/.depend
/.built
/*.asm
/*.rel
/*.lst
/*.sym
/*.adb
/*.lib
/*.src
/*.obj

26
system/tee/Kconfig Normal file
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#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
config SYSTEM_TEE
bool "Tee Command"
default n
---help---
Enable support for the tee command.
if SYSTEM_TEE
config SYSTEM_TEE_STACKSIZE
int "tee stack size"
default 1536
---help---
The size of stack allocated for the tee task.
config SYSTEM_TEE_PRIORITY
int "tee priority"
default 100
---help---
The priority of the tee task.
endif

39
system/tee/Make.defs Normal file
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############################################################################
# apps/system/tee/Make.defs
# Adds selected applications to apps/ build
#
# Copyright (C) 2016 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# 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. Neither the name NuttX 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 COPYRIGHT HOLDERS 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
# COPYRIGHT OWNER 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.
#
############################################################################
ifeq ($(CONFIG_SYSTEM_TEE),y)
CONFIGURED_APPS += system/tee
endif

146
system/tee/Makefile Normal file
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############################################################################
# apps/system/tee/Makefile
#
# Copyright (C) 2011-2012 Uros Platise. All rights reserved.
# Copyright (C) 2012, 2016 Gregory Nutt. All rights reserved.
# Author: Uros Platise <uros.platise@isotel.eu>
# Gregory Nutt <gnutt@nuttx.org>
#
# 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. Neither the name NuttX 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 COPYRIGHT HOLDERS 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
# COPYRIGHT OWNER 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
include $(APPDIR)/Make.defs
# tee command
CONFIG_SYSTEM_TEE_STACKSIZE ?= 1536
CONFIG_SYSTEM_TEE_PRIORITY ?= 100
APPNAME = tee
PRIORITY = $(CONFIG_SYSTEM_TEE_PRIORITY)
STACKSIZE = $(CONFIG_SYSTEM_TEE_PRIORITY)
ASRCS =
CSRCS =
MAINSRC = tee.c
AOBJS = $(ASRCS:.S=$(OBJEXT))
COBJS = $(CSRCS:.c=$(OBJEXT))
MAINOBJ = $(MAINSRC:.c=$(OBJEXT))
SRCS = $(ASRCS) $(CSRCS) $(MAINSRC)
OBJS = $(AOBJS) $(COBJS)
ifneq ($(CONFIG_BUILD_KERNEL),y)
OBJS += $(MAINOBJ)
endif
ifeq ($(CONFIG_WINDOWS_NATIVE),y)
BIN = ..\..\libapps$(LIBEXT)
else
ifeq ($(WINTOOL),y)
BIN = ..\\..\\libapps$(LIBEXT)
else
BIN = ../../libapps$(LIBEXT)
endif
endif
ifeq ($(WINTOOL),y)
INSTALL_DIR = "${shell cygpath -w $(BIN_DIR)}"
else
INSTALL_DIR = $(BIN_DIR)
endif
CONFIG_XYZ_PROGNAME ?= tee$(EXEEXT)
PROGNAME = $(CONFIG_XYZ_PROGNAME)
ROOTDEPPATH = --dep-path .
# Common build
VPATH =
all: .built
.PHONY: context depend clean distclean
$(AOBJS): %$(OBJEXT): %.S
$(call ASSEMBLE, $<, $@)
$(COBJS) $(MAINOBJ): %$(OBJEXT): %.c
$(call COMPILE, $<, $@)
.built: $(OBJS)
$(call ARCHIVE, $(BIN), $(OBJS))
$(Q) touch .built
ifeq ($(CONFIG_BUILD_KERNEL),y)
$(BIN_DIR)$(DELIM)$(PROGNAME): $(OBJS) $(MAINOBJ)
@echo "LD: $(PROGNAME)"
$(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $(INSTALL_DIR)$(DELIM)$(PROGNAME) $(ARCHCRT0OBJ) $(MAINOBJ) $(LDLIBS)
$(Q) $(NM) -u $(INSTALL_DIR)$(DELIM)$(PROGNAME)
install: $(BIN_DIR)$(DELIM)$(PROGNAME)
else
install:
endif
# Register application
ifeq ($(CONFIG_NSH_BUILTIN_APPS),y)
$(BUILTIN_REGISTRY)$(DELIM)$(APPNAME)_main.bdat: $(DEPCONFIG) Makefile
$(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main)
context: $(BUILTIN_REGISTRY)$(DELIM)$(APPNAME)_main.bdat
else
context:
endif
# Create dependencies
.depend: Makefile $(SRCS)
$(Q) $(MKDEP) $(ROOTDEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep
$(Q) touch $@
depend: .depend
clean:
$(call DELFILE, .built)
$(call CLEAN)
distclean: clean
$(call DELFILE, Make.dep)
$(call DELFILE, .depend)
-include Make.dep
.PHONY: preconfig
preconfig:

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system/tee/tee.c Normal file
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/****************************************************************************
* apps/system/tee/tee.c
* $NetBSD: tee.c,v 1.6 1997/10/20 00:37:11 lukem Exp $
*
* Copyright (c) 2016. Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Leveraged from NetBSD:
*
* Copyright (c) 1988, 1993
* The 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <signal.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <debug.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define BSIZE 1024
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
/****************************************************************************
* Private Types
****************************************************************************/
struct tee_list_s
{
FAR struct tee_list_s *next;
FAR char *name;
int fd;
};
/****************************************************************************
* Private Functions
****************************************************************************/
static int tee_add(int fd, FAR char *name,
FAR struct tee_list_s **head)
{
FAR struct tee_list_s *curr;
curr = (FAR struct tee_list_s *)malloc((sizeof(struct tee_list_s)));
if (curr == NULL)
{
_err("ERROR: alloc failed\n");
return -ENOMEM;
}
curr->fd = fd;
curr->name = name;
curr->next = *head;
*head = curr;
return OK;
}
static void show_usage(FAR const char *progrname, int exitcode)
{
fprintf(stderr, "USAGE: tee [-a] [file ...]\n");
fprintf(stderr, " tee -h\n");
fprintf(stderr, "Where:\n");
fprintf(stderr, "-a:\n");
fprintf(stderr, "\tAppend to the file (vs. truncating)\n");
fprintf(stderr, "file:\n");
fprintf(stderr, "\tArbitrary number of options output files. Output\n");
fprintf(stderr, "\twill go to stdout in addition to each of these files.\n");
fprintf(stderr, "-h:\n");
fprintf(stderr, "\tShows this message and exits\n");
exit(exitcode);
}
/****************************************************************************
* Public Functions
****************************************************************************/
#ifdef CONFIG_BUILD_KERNEL
int main(int argc, FAR char *argv[])
#else
int tee_main(int argc, char *argv[])
#endif
{
FAR struct tee_list_s *head = NULL;
FAR struct tee_list_s *curr;
FAR struct tee_list_s *next;
FAR char *buf;
FAR char *bp;
bool append = false;
int exitcode = EXIT_FAILURE;
int rval;
int wval;
int ret;
int fd;
int ch;
int n;
while ((ch = getopt(argc, argv, "ah")) != -1)
{
switch (ch)
{
case 'a':
append = true;
break;
case 'h':
show_usage(argv[0], EXIT_SUCCESS);
case '?':
default:
show_usage(argv[0], EXIT_FAILURE);
}
}
argv += optind;
argc -= optind;
buf = (FAR char *)malloc((size_t)BSIZE);
if (buf == NULL)
{
_err("ERROR: malloc failed\n");
exit(EXIT_FAILURE);
}
ret = tee_add(STDOUT_FILENO, "stdout", &head);
if (ret < 0)
{
_err("ERROR: tee_add failed: %d\n", ret);
goto errout_with_buf;
}
for (; *argv; ++argv)
{
fd = open(*argv, append ? O_WRONLY | O_CREAT | O_APPEND :
O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd < 0)
{
_err("ERROR: tee_add failed: %d\n", errno);
goto errout_with_list;
}
else
{
ret = tee_add(fd, *argv, &head);
if (ret < 0)
{
_err("ERROR: tee_add failed: %d\n", ret);
goto errout_with_list;
}
}
}
while ((rval = read(STDIN_FILENO, buf, BSIZE)) > 0)
{
for (curr = head; curr; curr = curr->next)
{
n = rval;
bp = buf;
do
{
wval = write(curr->fd, bp, n);
if (wval < 0)
{
_err("ERROR: write to %s failed: %d\n",
curr->name, errno);
break;
}
bp += wval;
n -= wval;
}
while (n > 0);
}
}
if (rval >= 0)
{
exitcode = EXIT_SUCCESS;
}
else
{
_err("ERROR: read failed: %d\n", errno);
}
errout_with_list:
for (curr = head; curr; curr = next)
{
next = curr->next;
(void)close(curr->fd);
free(curr);
}
errout_with_buf:
free(buf);
exit(exitcode);
}