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#include <common.h>
#include <command.h>
#include <fs.h>
#include <linux/ctype.h>
#include <errno.h>
#include <xfuncs.h>
#include <malloc.h>
static int do_cat(cmd_tbl_t *cmdtp, int flag, 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], 0);
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')
putc(buf[i]);
else
putc('.');
}
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
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