47 lines
		
	
	
		
			945 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			945 B
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * cmd_strings.c - just like `strings` command
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|  *
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|  * Copyright (c) 2008 Analog Devices Inc.
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|  *
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|  * Licensed under the GPL-2 or later.
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|  */
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| 
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| #include <config.h>
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| #include <common.h>
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| #include <command.h>
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| 
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| static char *start_addr, *last_addr;
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| 
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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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| 
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| 	if ((flag & CMD_FLAG_REPEAT) == 0) {
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| 		start_addr = (char *)simple_strtoul(argv[1], NULL, 16);
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| 		if (argc > 2)
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| 			last_addr = (char *)simple_strtoul(argv[2], NULL, 16);
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| 		else
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| 			last_addr = (char *)-1;
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| 	}
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| 
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| 	char *addr = start_addr;
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| 	do {
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| 		puts(addr);
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| 		puts("\n");
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| 		addr += strlen(addr) + 1;
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| 	} while (addr[0] && addr < last_addr);
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| 
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| 	last_addr = addr + (last_addr - start_addr);
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| 	start_addr = addr;
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| 
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| 	return 0;
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| }
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| 
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| U_BOOT_CMD(
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| 	strings, 3, 1, do_strings,
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| 	"display strings",
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| 	"<addr> [byte count]\n"
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| 	"    - display strings at <addr> for at least [byte count] or first double NUL"
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| );
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