blob: 5bcb0f2b567cd4526116d6c3fdd31482eb18155b [file] [log] [blame]
/*
* cmd_strings.c - just like `strings` command
*
* Copyright (c) 2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#include <config.h>
#include <command.h>
#include <vsprintf.h>
static char *start_addr, *last_addr;
int do_strings(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
if (argc == 1)
return CMD_RET_USAGE;
if ((flag & CMD_FLAG_REPEAT) == 0) {
start_addr = (char *)hextoul(argv[1], NULL);
if (argc > 2)
last_addr = (char *)hextoul(argv[2], NULL);
else
last_addr = (char *)-1;
}
char *addr = start_addr;
do {
puts(addr);
puts("\n");
addr += strlen(addr) + 1;
} while (addr[0] && addr < last_addr);
last_addr = addr + (last_addr - start_addr);
start_addr = addr;
return 0;
}
U_BOOT_CMD(
strings, 3, 1, do_strings,
"display strings",
"<addr> [byte count]\n"
" - display strings at <addr> for at least [byte count] or first double NUL"
);