=?UTF-8?Q?J=C3=B3zef=20Kucia=20?=: msvcrt: Fix precision handling for string arguments.
Alexandre Julliard
julliard at winehq.org
Thu Aug 31 14:20:47 CDT 2017
Module: wine
Branch: master
Commit: 2a2f525eb3cb220759c1079b2c9c96bc98667ec2
URL: http://source.winehq.org/git/wine.git/?a=commit;h=2a2f525eb3cb220759c1079b2c9c96bc98667ec2
Author: Józef Kucia <jkucia at codeweavers.com>
Date: Thu Aug 31 19:22:55 2017 +0200
msvcrt: Fix precision handling for string arguments.
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Piotr Caban <piotr at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/msvcrt/msvcrt.h | 2 ++
dlls/msvcrt/printf.h | 18 ++++++++++++++----
2 files changed, 16 insertions(+), 4 deletions(-)
diff --git a/dlls/msvcrt/msvcrt.h b/dlls/msvcrt/msvcrt.h
index 845b267..c39beca 100644
--- a/dlls/msvcrt/msvcrt.h
+++ b/dlls/msvcrt/msvcrt.h
@@ -1094,6 +1094,8 @@ char*** __cdecl MSVCRT___p__environ(void);
int* __cdecl __p___mb_cur_max(void);
unsigned int* __cdecl __p__fmode(void);
MSVCRT_wchar_t* __cdecl MSVCRT__wcsdup(const MSVCRT_wchar_t*);
+MSVCRT_size_t __cdecl MSVCRT_strnlen(const char *,MSVCRT_size_t);
+MSVCRT_size_t __cdecl MSVCRT_wcsnlen(const MSVCRT_wchar_t*,MSVCRT_size_t);
MSVCRT_wchar_t*** __cdecl MSVCRT___p__wenviron(void);
INT __cdecl MSVCRT_wctomb(char*,MSVCRT_wchar_t);
char* __cdecl MSVCRT__strdate(char* date);
diff --git a/dlls/msvcrt/printf.h b/dlls/msvcrt/printf.h
index 8bb3382..fe1e127 100644
--- a/dlls/msvcrt/printf.h
+++ b/dlls/msvcrt/printf.h
@@ -165,8 +165,13 @@ static inline int FUNC_NAME(pf_output_format_wstr)(FUNC_NAME(puts_clbk) pf_puts,
{
int r, ret;
- if(len < 0)
- len = strlenW(str);
+ if(len < 0) {
+ /* Do not search past the length specified by the precision. */
+ if(flags->Precision>=0)
+ len = MSVCRT_wcsnlen(str, flags->Precision);
+ else
+ len = strlenW(str);
+ }
if(flags->Precision>=0 && flags->Precision<len)
len = flags->Precision;
@@ -190,8 +195,13 @@ static inline int FUNC_NAME(pf_output_format_str)(FUNC_NAME(puts_clbk) pf_puts,
{
int r, ret;
- if(len < 0)
- len = strlen(str);
+ if(len < 0) {
+ /* Do not search past the length specified by the precision. */
+ if(flags->Precision>=0)
+ len = MSVCRT_strnlen(str, flags->Precision);
+ else
+ len = strlen(str);
+ }
if(flags->Precision>=0 && flags->Precision<len)
len = flags->Precision;
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