Piotr Caban : msvcrt: Fix buffer size in _ecvt_s.
Alexandre Julliard
julliard at winehq.org
Thu Mar 31 12:43:42 CDT 2011
Module: wine
Branch: master
Commit: f48cfa2be0e0d199072308cd759c2e75734a7cd1
URL: http://source.winehq.org/git/wine.git/?a=commit;h=f48cfa2be0e0d199072308cd759c2e75734a7cd1
Author: Piotr Caban <piotr at codeweavers.com>
Date: Wed Mar 30 20:33:06 2011 +0200
msvcrt: Fix buffer size in _ecvt_s.
---
dlls/msvcrt/math.c | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index ab9cec4..3428398 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -1306,17 +1306,17 @@ int CDECL _ecvt_s( char *buffer, MSVCRT_size_t length, double number, int ndigit
(*sign) = 0;
return 0;
}
- result = (char*)MSVCRT_malloc(max(ndigits + 7, 7));
+ /* handle cases with zero ndigits or less */
+ prec = ndigits;
+ if( prec < 1) prec = 2;
+ result = (char*)MSVCRT_malloc(prec + 7);
if( number < 0) {
*sign = TRUE;
number = -number;
} else
*sign = FALSE;
- /* handle cases with zero ndigits or less */
- prec = ndigits;
- if( prec < 1) prec = 2;
- len = snprintf(result, 80, "%.*le", prec - 1, number);
+ len = snprintf(result, prec + 7, "%.*le", prec - 1, number);
/* take the decimal "point away */
if( prec != 1)
memmove( result + 1, result + 2, len - 1 );
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