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47 lines
700 B
C
47 lines
700 B
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/sdk/crt/string/atoi64.c
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* PURPOSE: Unknown
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* PROGRAMER: Unknown
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* UPDATE HISTORY:
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* 25/11/05: Added license header
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*/
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#include <precomp.h>
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/*
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* @implemented
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*/
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__int64
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CDECL
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_atoi64(const char *nptr)
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{
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char *s = (char *)nptr;
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__int64 acc = 0;
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int neg = 0;
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if (nptr == NULL)
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return 0;
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while(isspace((int)*s))
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s++;
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if (*s == '-')
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{
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neg = 1;
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s++;
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}
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else if (*s == '+')
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s++;
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while (isdigit((int)*s))
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{
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acc = 10 * acc + ((int)*s - '0');
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s++;
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}
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if (neg)
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acc *= -1;
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return acc;
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}
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