245 |
|
else |
246 |
|
return pos - str1.begin(); |
247 |
|
} |
248 |
+ |
|
249 |
+ |
/** |
250 |
+ |
* memparse - parse a string with mem suffixes into a number |
251 |
+ |
* @ptr: Where parse begins |
252 |
+ |
* @retptr: (output) Pointer to next char after parse completes |
253 |
+ |
* |
254 |
+ |
* Parses a string into a number. The number stored at @ptr is |
255 |
+ |
* potentially suffixed with %K (for kilobytes, or 1024 bytes), |
256 |
+ |
* %M (for megabytes, or 1048576 bytes), or %G (for gigabytes, or |
257 |
+ |
* 1073741824). If the number is suffixed with K, M, or G, then |
258 |
+ |
* the return value is the number multiplied by one kilobyte, one |
259 |
+ |
* megabyte, or one gigabyte, respectively. |
260 |
+ |
*/ |
261 |
+ |
unsigned long long memparse (char *ptr, char **retptr) { |
262 |
+ |
unsigned long long ret = strtoull (ptr, retptr, 0); |
263 |
+ |
|
264 |
+ |
switch (**retptr) { |
265 |
+ |
case 'G': |
266 |
+ |
case 'g': |
267 |
+ |
ret <<= 10; |
268 |
+ |
case 'M': |
269 |
+ |
case 'm': |
270 |
+ |
ret <<= 10; |
271 |
+ |
case 'K': |
272 |
+ |
case 'k': |
273 |
+ |
ret <<= 10; |
274 |
+ |
(*retptr)++; |
275 |
+ |
default: |
276 |
+ |
break; |
277 |
+ |
} |
278 |
+ |
return ret; |
279 |
+ |
} |
280 |
|
|
281 |
|
} |