forked from KolibriOS/kolibrios
29 lines
597 B
C
29 lines
597 B
C
|
#include <ctype.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <limits.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <inttypes.h>
|
||
|
|
|
||
|
|
long long int strtoll(const char *nptr, char **endptr, int base)
|
||
|
|
{
|
||
|
|
int neg=0;
|
||
|
|
unsigned long long int v;
|
||
|
|
const char*orig=nptr;
|
||
|
|
|
||
|
|
while(isspace(*nptr)) nptr++;
|
||
|
|
|
||
|
|
if (*nptr == '-' && isalnum(nptr[1])) { neg=-1; nptr++; }
|
||
|
|
v=strtoull(nptr,endptr,base);
|
||
|
|
if (endptr && *endptr==nptr) *endptr=(char *)orig;
|
||
|
|
if (v>LLONG_MAX) {
|
||
|
|
if (v==0x8000000000000000ull && neg) {
|
||
|
|
errno=0;
|
||
|
|
return v;
|
||
|
|
}
|
||
|
|
errno=ERANGE;
|
||
|
|
return (neg?LLONG_MIN:LLONG_MAX);
|
||
|
|
}
|
||
|
|
return (neg?-v:v);
|
||
|
|
}
|
||
|
|
|