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msvcrt: Do not overlap in strcpy (Valgrind).

This commit is contained in:
André Hentschel 2009-11-01 18:59:20 +01:00 committed by Alexandre Julliard
parent 5f0940e08a
commit fbe6b57b74
1 changed files with 3 additions and 3 deletions
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6
dlls/msvcrt/math.c
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@ -836,7 +836,7 @@ double CDECL _nextafter(double num, double next)
*/
char * CDECL _ecvt( double number, int ndigits, int *decpt, int *sign )
{
int prec;
int prec, len;
thread_data_t *data = msvcrt_get_thread_data();
/* FIXME: check better for overflow (native supports over 300 chars's) */
ndigits = min( ndigits, 80 - 7); /* 7 : space for dec point, 1 for "e",
@ -853,10 +853,10 @@ char * CDECL _ecvt( double number, int ndigits, int *decpt, int *sign )
/* handle cases with zero ndigits or less */
prec = ndigits;
if( prec < 1) prec = 2;
snprintf(data->efcvt_buffer, 80, "%.*le", prec - 1, number);
len = snprintf(data->efcvt_buffer, 80, "%.*le", prec - 1, number);
/* take the decimal "point away */
if( prec != 1)
strcpy( data->efcvt_buffer + 1, data->efcvt_buffer + 2);
memmove( data->efcvt_buffer + 1, data->efcvt_buffer + 2, len - 1 );
/* take the exponential "e" out */
data->efcvt_buffer[ prec] = '\0';
/* read the exponent */