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Show First 20 Lines • Show All 62 Lines • ▼ Show 20 Lines	valid_sig(struct api_signature *sig)

if (checksum != sig->checksum)		if (checksum != sig->checksum)
return (0);		return (0);

return (1);		return (1);
}		}

/*		/*
		* Checks to see if API signature's address was given to us as a command line
		* argument by U-Boot.
		*
		* returns 1/0 depending on found/not found result
		*/
		int
		api_parse_cmdline_sig(int argc, char argv, struct api_signature sig)
		{
		unsigned long api_address;
		int c;

		api_address = 0;
		opterr = 0;
		optreset = 1;
		optind = 1;

		while ((c = getopt (argc, argv, "a:")) != -1)
		switch (c) {
		case 'a':
		api_address = strtoul(optarg, NULL, 16);
		break;
		default:
		break;
		}

		if (api_address != 0) {
		sig = (struct api_signature )api_address;
		if (valid_sig(*sig))
		return (1);
		}

		return (0);
		}

		/*
* Searches for the U-Boot API signature		* Searches for the U-Boot API signature
*		*
* returns 1/0 depending on found/not found result		* returns 1/0 depending on found/not found result
*/		*/
int		int
api_search_sig(struct api_signature **sig)		api_search_sig(struct api_signature **sig)
{		{
unsigned char sp, spend;		unsigned char sp, spend;
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