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msvcrt: Make scanf functions thread safe.

This commit is contained in:
Piotr Caban 2011-05-19 15:32:00 +02:00 committed by Alexandre Julliard
parent c5894bacf5
commit 73b9acf273
2 changed files with 27 additions and 1 deletions
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2
dlls/msvcrt/msvcrt.h
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@ -784,6 +784,8 @@ int __cdecl MSVCRT_iswspace(MSVCRT_wint_t);
int __cdecl MSVCRT_iswdigit(MSVCRT_wint_t);
int __cdecl MSVCRT_isleadbyte(int);
void __cdecl MSVCRT__lock_file(MSVCRT_FILE*);
void __cdecl MSVCRT__unlock_file(MSVCRT_FILE*);
int __cdecl MSVCRT_fgetc(MSVCRT_FILE*);
int __cdecl MSVCRT_ungetc(int,MSVCRT_FILE*);
MSVCRT_wint_t __cdecl MSVCRT_fgetwc(MSVCRT_FILE*);

26
dlls/msvcrt/scanf.h
View File

@ -48,6 +48,8 @@
#ifdef CONSOLE
#define _GETC_(file) (consumed++, _getch())
#define _UNGETC_(nch, file) do { _ungetch(nch); consumed--; } while(0)
#define _LOCK_FILE_(file) MSVCRT__lock_file(MSVCRT_stdin)
#define _UNLOCK_FILE_(file) MSVCRT__unlock_file(MSVCRT_stdin)
#ifdef WIDE_SCANF
#ifdef SECURE
#define _FUNCTION_ static int MSVCRT_vcwscanf_s_l(const char *format, MSVCRT__locale_t locale, __ms_va_list ap)
@ -68,6 +70,8 @@
#ifdef STRING_LEN
#define _GETC_(file) (consumed==length ? '\0' : (consumed++, *file++))
#define _UNGETC_(nch, file) do { file--; consumed--; } while(0)
#define _LOCK_FILE_(file) do {} while(0)
#define _UNLOCK_FILE_(file) do {} while(0)
#ifdef WIDE_SCANF
#ifdef SECURE
#define _FUNCTION_ static int MSVCRT_vsnwscanf_s_l(const MSVCRT_wchar_t *file, MSVCRT_size_t length, const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list ap)
@ -84,6 +88,8 @@
#else /* STRING_LEN */
#define _GETC_(file) (consumed++, *file++)
#define _UNGETC_(nch, file) do { file--; consumed--; } while(0)
#define _LOCK_FILE_(file) do {} while(0)
#define _UNLOCK_FILE_(file) do {} while(0)
#ifdef WIDE_SCANF
#ifdef SECURE
#define _FUNCTION_ static int MSVCRT_vswscanf_s_l(const MSVCRT_wchar_t *file, const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list ap)
@ -102,6 +108,8 @@
#ifdef WIDE_SCANF
#define _GETC_(file) (consumed++, MSVCRT_fgetwc(file))
#define _UNGETC_(nch, file) do { MSVCRT_ungetwc(nch, file); consumed--; } while(0)
#define _LOCK_FILE_(file) MSVCRT__lock_file(file)
#define _UNLOCK_FILE_(file) MSVCRT__unlock_file(file)
#ifdef SECURE
#define _FUNCTION_ static int MSVCRT_vfwscanf_s_l(MSVCRT_FILE* file, const MSVCRT_wchar_t *format, MSVCRT__locale_t locale, __ms_va_list ap)
#else /* SECURE */
@ -110,6 +118,8 @@
#else /* WIDE_SCANF */
#define _GETC_(file) (consumed++, MSVCRT_fgetc(file))
#define _UNGETC_(nch, file) do { MSVCRT_ungetc(nch, file); consumed--; } while(0)
#define _LOCK_FILE_(file) MSVCRT__lock_file(file)
#define _UNLOCK_FILE_(file) MSVCRT__unlock_file(file)
#ifdef SECURE
#define _FUNCTION_ static int MSVCRT_vfscanf_s_l(MSVCRT_FILE* file, const char *format, MSVCRT__locale_t locale, __ms_va_list ap)
#else /* SECURE */
@ -134,8 +144,13 @@ _FUNCTION_ {
#endif /* STRING */
#endif /* CONSOLE */
#endif /* WIDE_SCANF */
_LOCK_FILE_(file);
nch = _GETC_(file);
if (nch == _EOF_) return _EOF_RET;
if (nch == _EOF_) {
_UNLOCK_FILE_(file);
return _EOF_RET;
}
if(!locale)
locale = get_locale();
@ -400,6 +415,7 @@ _FUNCTION_ {
*sptr++ = _CHAR2SUPPORTED_(nch);
if(size>1) size--;
else {
_UNLOCK_FILE_(file);
*sptr_beg = 0;
return rd;
}
@ -429,6 +445,7 @@ _FUNCTION_ {
*sptr++ = _WIDE2SUPPORTED_(nch);
if(size>1) size--;
else {
_UNLOCK_FILE_(file);
*sptr_beg = 0;
return rd;
}
@ -474,6 +491,7 @@ _FUNCTION_ {
*str++ = _CHAR2SUPPORTED_(nch);
if(size) size--;
else {
_UNLOCK_FILE_(file);
*pstr = 0;
return rd;
}
@ -499,6 +517,7 @@ _FUNCTION_ {
*str++ = _WIDE2SUPPORTED_(nch);
if(size) size--;
else {
_UNLOCK_FILE_(file);
*pstr = 0;
return rd;
}
@ -586,6 +605,7 @@ _FUNCTION_ {
if (width>0) width--;
if(size>1) size--;
else {
_UNLOCK_FILE_(file);
*str = 0;
return rd;
}
@ -628,7 +648,9 @@ _FUNCTION_ {
if (nch!=_EOF_) {
_UNGETC_(nch, file);
}
TRACE("returning %d\n", rd);
_UNLOCK_FILE_(file);
return rd;
}
@ -642,5 +664,7 @@ _FUNCTION_ {
#undef _CHAR2DIGIT_
#undef _GETC_
#undef _UNGETC_
#undef _LOCK_FILE_
#undef _UNLOCK_FILE_
#undef _FUNCTION_
#undef _BITMAPSIZE_