mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-22 18:09:03 +09:00
![Mike Frysinger](/assets/img/avatar_default.png)
When running `strings` on really long strings, the stack tends to get smashed due to printf(). Switch to puts() instead since we're only passing the data through. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
47 lines
982 B
C
47 lines
982 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(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
if (argc == 1) {
|
|
printf("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
|
|
if ((flag & CMD_FLAG_REPEAT) == 0) {
|
|
start_addr = (char *)simple_strtoul(argv[1], NULL, 16);
|
|
if (argc > 2)
|
|
last_addr = (char *)simple_strtoul(argv[2], NULL, 16);
|
|
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,
|
|
"strings - display strings\n",
|
|
"<addr> [byte count]\n"
|
|
" - display strings at <addr> for at least [byte count] or first double NUL\n");
|