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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; }