reactos/lib/sdk/crt/string/atoi64.c
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS]
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

45 lines
681 B
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS system libraries
* FILE: lib/crt/??????
* PURPOSE: Unknown
* PROGRAMER: Unknown
* UPDATE HISTORY:
* 25/11/05: Added license header
*/
#include <precomp.h>
/*
* @implemented
*/
__int64
_atoi64(const char *nptr)
{
char *s = (char *)nptr;
__int64 acc = 0;
int neg = 0;
if (nptr == NULL)
return 0;
while(isspace((int)*s))
s++;
if (*s == '-')
{
neg = 1;
s++;
}
else if (*s == '+')
s++;
while (isdigit((int)*s))
{
acc = 10 * acc + ((int)*s - '0');
s++;
}
if (neg)
acc *= -1;
return acc;
}