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// SPDX-License-Identifier: GPL-2.0-only
/*
* From lib/cmdline.c
*/
#include <stdlib.h>
#if __has_attribute(__fallthrough__)
# define fallthrough __attribute__((__fallthrough__))
#else
# define fallthrough do {} while (0) /* fallthrough */
#endif
unsigned long long memparse(const char *ptr, char **retptr)
{
char *endptr; /* local pointer to end of parsed string */
unsigned long long ret = strtoll(ptr, &endptr, 0);
switch (*endptr) {
case 'E':
case 'e':
ret <<= 10;
fallthrough;
case 'P':
case 'p':
ret <<= 10;
fallthrough;
case 'T':
case 't':
ret <<= 10;
fallthrough;
case 'G':
case 'g':
ret <<= 10;
fallthrough;
case 'M':
case 'm':
ret <<= 10;
fallthrough;
case 'K':
case 'k':
ret <<= 10;
endptr++;
fallthrough;
default:
break;
}
if (retptr)
*retptr = endptr;
return ret;
}
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