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cmd/strings.c
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/* * 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> |
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static char *start_addr, *last_addr; |
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int do_strings(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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if (argc == 1) |
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return CMD_RET_USAGE; |
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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 { |
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puts(addr); puts(" "); |
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addr += strlen(addr) + 1; } while (addr[0] && addr < last_addr); last_addr = addr + (last_addr - start_addr); start_addr = addr; return 0; } |
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U_BOOT_CMD( strings, 3, 1, do_strings, |
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"display strings", |
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"<addr> [byte count] " |
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" - display strings at <addr> for at least [byte count] or first double NUL" ); |