105 lines
2.3 KiB
C
105 lines
2.3 KiB
C
/*
|
|
* Copyright (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program 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 this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief Concatenate files to stdout command
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <fs.h>
|
|
#include <fcntl.h>
|
|
#include <linux/ctype.h>
|
|
#include <errno.h>
|
|
#include <xfuncs.h>
|
|
#include <malloc.h>
|
|
|
|
/**
|
|
* @param[in] cmdtp FIXME
|
|
* @param[in] argc Argument count from command line
|
|
* @param[in] argv List of input arguments
|
|
*/
|
|
static int do_cat(cmd_tbl_t *cmdtp, int argc, char *argv[])
|
|
{
|
|
int ret;
|
|
int fd, i;
|
|
char *buf;
|
|
int err = 0;
|
|
int args = 1;
|
|
|
|
if (argc < 2) {
|
|
perror("cat");
|
|
return 1;
|
|
}
|
|
|
|
buf = xmalloc(1024);
|
|
|
|
while (args < argc) {
|
|
fd = open(argv[args], O_RDONLY);
|
|
if (fd < 0) {
|
|
printf("could not open %s: %s\n", argv[args], errno_str());
|
|
goto out;
|
|
}
|
|
|
|
while((ret = read(fd, buf, 1024)) > 0) {
|
|
for(i = 0; i < ret; i++) {
|
|
if (isprint(buf[i]) || buf[i] == '\n' || buf[i] == '\t')
|
|
putchar(buf[i]);
|
|
else
|
|
putchar('.');
|
|
}
|
|
if(ctrlc()) {
|
|
err = 1;
|
|
close(fd);
|
|
goto out;
|
|
}
|
|
}
|
|
close(fd);
|
|
args++;
|
|
}
|
|
|
|
out:
|
|
free(buf);
|
|
|
|
return err;
|
|
}
|
|
|
|
static __maybe_unused char cmd_cat_help[] =
|
|
"Usage: cat [FILES]\n"
|
|
"Concatenate files on stdout. Currently only printable characters\n"
|
|
"and \\n and \\t are printed, but this should be optional\n";
|
|
|
|
U_BOOT_CMD_START(cat)
|
|
.maxargs = CONFIG_MAXARGS,
|
|
.cmd = do_cat,
|
|
.usage = "concatenate file(s)",
|
|
U_BOOT_CMD_HELP(cmd_cat_help)
|
|
U_BOOT_CMD_END
|
|
|
|
/**
|
|
* @page cat_command cat (concatenate)
|
|
*
|
|
* Usage is: cat \<file\> [\<file\> ...]
|
|
*
|
|
* Concatenate files to stdout. Currently only printable characters
|
|
* and \\n and \\t are printed, but this should be optional
|
|
*/
|