mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-24 21:54:01 +00:00
7e5f460ec4
It is a pain to have to specify the value 16 in each call. Add a new hextoul() function and update the code to use it. Add a proper comment to simple_strtoul() while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
46 lines
927 B
C
46 lines
927 B
C
/*
|
|
* cmd_strings.c - just like `strings` command
|
|
*
|
|
* Copyright (c) 2008 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <command.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"
|
|
);
|