mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
2.0 KiB
66 lines
2.0 KiB
//////////////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// string.c
|
|
//
|
|
// This file contains most commonly used string operation. ALl the setup project should link here
|
|
// or add the common utility here to avoid duplicating code everywhere or using CRT runtime.
|
|
//
|
|
// Created 4\15\997 inateeg
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
|
#include <windows.h>
|
|
#include "utils2.h"
|
|
|
|
//=================================================================================================
|
|
//
|
|
// copied from msdev\crt\src\atox.c
|
|
//
|
|
// long AtoL(char *nptr) - Convert string to long
|
|
//
|
|
// Purpose:
|
|
// Converts ASCII string pointed to by nptr to binary.
|
|
// Overflow is not detected.
|
|
//
|
|
// Entry:
|
|
// nptr = ptr to string to convert
|
|
//
|
|
// Exit:
|
|
// return long int value of the string
|
|
//
|
|
// Exceptions:
|
|
// None - overflow is not detected.
|
|
//
|
|
//=================================================================================================
|
|
|
|
long AtoL(const TCHAR *nptr)
|
|
{
|
|
int c; /* current char */
|
|
long total; /* current total */
|
|
int sign; /* if '-', then negative, otherwise positive */
|
|
|
|
// NOTE: no need to worry about DBCS chars here because IsSpace(c), IsDigit(c),
|
|
// '+' and '-' are "pure" ASCII chars, i.e., they are neither DBCS Leading nor
|
|
// DBCS Trailing bytes -- pritvi
|
|
|
|
/* skip whitespace */
|
|
while ( IsSpace((int)(unsigned TCHAR)*nptr) )
|
|
++nptr;
|
|
|
|
c = (int)(unsigned TCHAR)*nptr++;
|
|
sign = c; /* save sign indication */
|
|
if (c == '-' || c == '+')
|
|
c = (int)(unsigned TCHAR)*nptr++; /* skip sign */
|
|
|
|
total = 0;
|
|
|
|
while (IsDigit(c)) {
|
|
total = 10 * total + (c - '0'); /* accumulate digit */
|
|
c = (int)(unsigned TCHAR)*nptr++; /* get next char */
|
|
}
|
|
|
|
if (sign == '-')
|
|
return -total;
|
|
else
|
|
return total; /* return result, negated if necessary */
|
|
}
|
|
|