diff options
Diffstat (limited to 'qemu/roms/u-boot/common/cmd_strings.c')
-rw-r--r-- | qemu/roms/u-boot/common/cmd_strings.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/common/cmd_strings.c b/qemu/roms/u-boot/common/cmd_strings.c new file mode 100644 index 000000000..41b166592 --- /dev/null +++ b/qemu/roms/u-boot/common/cmd_strings.c @@ -0,0 +1,46 @@ +/* + * 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 * const argv[]) +{ + if (argc == 1) + return CMD_RET_USAGE; + + 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, + "display strings", + "<addr> [byte count]\n" + " - display strings at <addr> for at least [byte count] or first double NUL" +); |