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msvcrt: Added _gcvt_s implementation.

This commit is contained in:
Piotr Caban 2010-08-27 01:46:35 +02:00 committed by Alexandre Julliard
parent 600fa766f3
commit 3a25d7d9aa
7 changed files with 90 additions and 11 deletions
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2
dlls/msvcr100/msvcr100.spec
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@ -674,7 +674,7 @@
@ varargs _fwscanf_l(ptr wstr ptr) msvcrt._fwscanf_l
@ varargs _fwscanf_s_l(ptr wstr ptr) msvcrt._fwscanf_s_l
@ cdecl _gcvt(double long str) msvcrt._gcvt
@ stub _gcvt_s
@ cdecl _gcvt_s(ptr long double long) msvcrt._gcvt_s
@ stub _get_current_locale
@ stub _get_daylight
@ stub _get_doserrno

2
dlls/msvcr80/msvcr80.spec
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@ -515,7 +515,7 @@
@ varargs _fwscanf_l(ptr wstr ptr) msvcrt._fwscanf_l
@ varargs _fwscanf_s_l(ptr wstr ptr) msvcrt._fwscanf_s_l
@ cdecl _gcvt(double long str) msvcrt._gcvt
@ stub _gcvt_s
@ cdecl _gcvt_s(ptr long double long) msvcrt._gcvt_s
@ stub _get_amblksiz
@ stub _get_current_locale
@ stub _get_daylight

2
dlls/msvcr90/msvcr90.spec
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@ -507,7 +507,7 @@
@ varargs _fwscanf_l(ptr wstr ptr) msvcrt._fwscanf_l
@ varargs _fwscanf_s_l(ptr wstr ptr) msvcrt._fwscanf_s_l
@ cdecl _gcvt(double long str) msvcrt._gcvt
@ stub _gcvt_s
@ cdecl _gcvt_s(ptr long double long) msvcrt._gcvt_s
@ stub _get_amblksiz
@ stub _get_current_locale
@ stub _get_daylight

45
dlls/msvcrt/math.c
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@ -1196,15 +1196,54 @@ char * CDECL _fcvt( double number, int ndigits, int *decpt, int *sign )
/***********************************************************************
* _gcvt (MSVCRT.@)
*
* FIXME: uses both E and F.
*/
char * CDECL _gcvt( double number, int ndigit, char *buff )
{
sprintf(buff, "%.*E", ndigit, number);
if(!buff) {
*MSVCRT__errno() = MSVCRT_EINVAL;
return NULL;
}
if(ndigit < 0) {
*MSVCRT__errno() = MSVCRT_ERANGE;
return NULL;
}
MSVCRT_sprintf(buff, "%.*g", ndigit, number);
return buff;
}
/***********************************************************************
* _gcvt_s (MSVCRT.@)
*/
int CDECL _gcvt_s(char *buff, MSVCRT_size_t size, double number, int digits)
{
int len;
if(!buff) {
*MSVCRT__errno() = MSVCRT_EINVAL;
return MSVCRT_EINVAL;
}
if( digits<0 || digits>=size) {
if(size)
buff[0] = '\0';
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
len = MSVCRT__scprintf("%.*g", digits, number);
if(len > size) {
buff[0] = '\0';
*MSVCRT__errno() = MSVCRT_ERANGE;
return MSVCRT_ERANGE;
}
MSVCRT_sprintf(buff, "%.*g", digits, number);
return 0;
}
#include <stdlib.h> /* div_t, ldiv_t */
/*********************************************************************

2
dlls/msvcrt/msvcrt.h
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@ -743,6 +743,8 @@ MSVCRT_FILE* __cdecl MSVCRT__wfdopen(int, const MSVCRT_wchar_t *);
int __cdecl MSVCRT_vsnprintf(char *str, MSVCRT_size_t len, const char *format, __ms_va_list valist);
int __cdecl MSVCRT_vsnwprintf(MSVCRT_wchar_t *str, MSVCRT_size_t len,
const MSVCRT_wchar_t *format, __ms_va_list valist );
int __cdecl MSVCRT_sprintf(char*,const char*,...);
int __cdecl MSVCRT__scprintf(const char*,...);
int __cdecl MSVCRT_raise(int sig);
typedef struct MSVCRT_tagLC_ID {

2
dlls/msvcrt/msvcrt.spec
View File

@ -461,7 +461,7 @@
@ varargs _fwscanf_l(ptr wstr ptr) MSVCRT__fwscanf_l
@ varargs _fwscanf_s_l(ptr wstr ptr) MSVCRT__fwscanf_s_l
@ cdecl _gcvt(double long str)
# stub _gcvt_s
@ cdecl _gcvt_s(ptr long double long)
# stub _get_doserrno
# stub _get_environ
# stub _get_errno

46
dlls/msvcrt/tests/string.c
View File

@ -58,6 +58,7 @@ static __int64 (__cdecl *p_strtoi64)(const char *, char **, int);
static unsigned __int64 (__cdecl *p_strtoui64)(const char *, char **, int);
static int (__cdecl *pwcstombs_s)(size_t*,char*,size_t,const wchar_t*,size_t);
static int (__cdecl *pmbstowcs_s)(size_t*,wchar_t*,size_t,const char*,size_t);
static errno_t (__cdecl *p_gcvt_s)(char*,size_t,double,int);
static int *p__mb_cur_max;
static unsigned char *p_mbctype;
@ -1241,6 +1242,41 @@ static void test_mbstowcs(void)
ok(!memcmp(mOut, mHiragana, sizeof(mHiragana)), "mOut = %s\n", mOut);
}
static void test_gcvt(void)
{
char buf[1024], *res;
errno_t err;
if(!p_gcvt_s) {
win_skip("Skipping _gcvt tests\n");
return;
}
errno = 0;
res = _gcvt(1.2, -1, buf);
ok(res == NULL, "res != NULL\n");
ok(errno == ERANGE, "errno = %d\n", errno);
errno = 0;
res = _gcvt(1.2, 5, NULL);
ok(res == NULL, "res != NULL\n");
ok(errno == EINVAL, "errno = %d\n", errno);
res = gcvt(1.2, 5, buf);
ok(res == buf, "res != buf\n");
ok(!strcmp(buf, "1.2"), "buf = %s\n", buf);
buf[0] = 'x';
err = p_gcvt_s(buf, 5, 1.2, 10);
ok(err == ERANGE, "err = %d\n", err);
ok(buf[0] == '\0', "buf[0] = %c\n", buf[0]);
buf[0] = 'x';
err = p_gcvt_s(buf, 4, 123456, 2);
ok(err == ERANGE, "err = %d\n", err);
ok(buf[0] == '\0', "buf[0] = %c\n", buf[0]);
}
START_TEST(string)
{
char mem[100];
@ -1261,10 +1297,11 @@ START_TEST(string)
p_wcscpy_s = (void *)GetProcAddress( hMsvcrt,"wcscpy_s" );
p_wcsupr_s = (void *)GetProcAddress( hMsvcrt,"_wcsupr_s" );
p_strnlen = (void *)GetProcAddress( hMsvcrt,"strnlen" );
p_strtoi64 = (void *) GetProcAddress(hMsvcrt, "_strtoi64");
p_strtoui64 = (void *) GetProcAddress(hMsvcrt, "_strtoui64");
pmbstowcs_s = (void *) GetProcAddress(hMsvcrt, "mbstowcs_s");
pwcstombs_s = (void *) GetProcAddress(hMsvcrt, "wcstombs_s");
p_strtoi64 = (void *)GetProcAddress(hMsvcrt, "_strtoi64");
p_strtoui64 = (void *)GetProcAddress(hMsvcrt, "_strtoui64");
pmbstowcs_s = (void *)GetProcAddress(hMsvcrt, "mbstowcs_s");
pwcstombs_s = (void *)GetProcAddress(hMsvcrt, "wcstombs_s");
p_gcvt_s = (void *)GetProcAddress(hMsvcrt, "_gcvt_s");
/* MSVCRT memcpy behaves like memmove for overlapping moves,
MFC42 CString::Insert seems to rely on that behaviour */
@ -1298,4 +1335,5 @@ START_TEST(string)
test__strtoi64();
test__strtod();
test_mbstowcs();
test_gcvt();
}