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- #include <dragonstub/linux/const.h>
- #include <dragonstub/dragonstub.h>
- #include <dragonstub/linux/ctype.h>
- static int get_range(char **str, int *pint, int n)
- {
- int x, inc_counter, upper_range;
- (*str)++;
- upper_range = simple_strtol((*str), NULL, 0);
- inc_counter = upper_range - *pint;
- for (x = *pint; n && x < upper_range; x++, n--)
- *pint++ = x;
- return inc_counter;
- }
- int get_option(char **str, int *pint)
- {
- char *cur = *str;
- int value;
- if (!cur || !(*cur))
- return 0;
- if (*cur == '-')
- value = -simple_strtoull(++cur, str, 0);
- else
- value = simple_strtoull(cur, str, 0);
- if (pint)
- *pint = value;
- if (cur == *str)
- return 0;
- if (**str == ',') {
- (*str)++;
- return 2;
- }
- if (**str == '-')
- return 3;
- return 1;
- }
- char *get_options(const char *str, int nints, int *ints)
- {
- bool validate = (nints == 0);
- int res, i = 1;
- while (i < nints || validate) {
- int *pint = validate ? ints : ints + i;
- res = get_option((char **)&str, pint);
- if (res == 0)
- break;
- if (res == 3) {
- int n = validate ? 0 : nints - i;
- int range_nums;
- range_nums = get_range((char **)&str, pint, n);
- if (range_nums < 0)
- break;
-
- i += (range_nums - 1);
- }
- i++;
- if (res == 1)
- break;
- }
- ints[0] = i - 1;
- return (char *)str;
- }
- unsigned long long memparse(const char *ptr, char **retptr)
- {
- char *endptr;
- unsigned long long ret = simple_strtoull(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;
- }
- char *next_arg(char *args, char **param, char **val)
- {
- unsigned int i, equals = 0;
- int in_quote = 0, quoted = 0;
- if (*args == '"') {
- args++;
- in_quote = 1;
- quoted = 1;
- }
- for (i = 0; args[i]; i++) {
- if (isspace(args[i]) && !in_quote)
- break;
- if (equals == 0) {
- if (args[i] == '=')
- equals = i;
- }
- if (args[i] == '"')
- in_quote = !in_quote;
- }
- *param = args;
- if (!equals)
- *val = NULL;
- else {
- args[equals] = '\0';
- *val = args + equals + 1;
-
- if (**val == '"') {
- (*val)++;
- if (args[i - 1] == '"')
- args[i - 1] = '\0';
- }
- }
- if (quoted && i > 0 && args[i - 1] == '"')
- args[i - 1] = '\0';
- if (args[i]) {
- args[i] = '\0';
- args += i + 1;
- } else
- args += i;
-
- return skip_spaces(args);
- }
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