Daniel Lehman : msvcrt: Set errno in strtod.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0945ba00fb813668ba94223851450eca439fbae9
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=0945ba00fb813668ba9422385...

Author: Daniel Lehman 
Date:   Thu Jul 16 13:10:31 2020 +0200

msvcrt: Set errno in strtod.

Signed-off-by: Daniel Lehman 
Signed-off-by: Piotr Caban 
Signed-off-by: Alexandre Julliard

---

dlls/msvcrt/string.c       | 6 +++++-
 dlls/msvcrt/tests/string.c | 1 -
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/dlls/msvcrt/string.c b/dlls/msvcrt/string.c
index 62ec54607e..49cc8e40ae 100644
--- a/dlls/msvcrt/string.c
+++ b/dlls/msvcrt/string.c
@@ -696,6 +696,11 @@ double parse_double(MSVCRT_wchar_t (*get)(void *ctx), void (*unget)(void *ctx),
         nch = get(ctx);
     }

+    if(!err) err = MSVCRT__errno();
+#if _MSVCR_VER == 0
+    *err = 0;
+#endif
+
     if(!found_digit) {
         if(nch != MSVCRT_WEOF) unget(ctx);
         if(found_dp) unget(ctx);
@@ -759,7 +764,6 @@ double parse_double(MSVCRT_wchar_t (*get)(void *ctx), void (*unget)(void *ctx),
     if(off < 0) off += LIMB_DIGITS;
     if(off) bnum_mult(&b, p10s[off]);

-    if(!err) err = MSVCRT__errno();
     if(dp-1 > MSVCRT_DBL_MAX_10_EXP)
         return make_double(sign, INT_MAX, 1, ROUND_ZERO, err);
     /* Count part of exponent stored in denormalized mantissa. */
diff --git a/dlls/msvcrt/tests/string.c b/dlls/msvcrt/tests/string.c
index ccbd049c4c..8a2d678b63 100644
--- a/dlls/msvcrt/tests/string.c
+++ b/dlls/msvcrt/tests/string.c
@@ -1976,7 +1976,6 @@ static void test__strtod(void)
         ok(d == tests[i].ret, "%d) d = %.16e\n", i, d);
         ok(end == tests[i].str + tests[i].len, "%d) len = %d\n",
                 i, (int)(end - tests[i].str));
-        todo_wine_if(!tests[i].err)
         ok(errno == tests[i].err, "%d) errno = %d\n", i, errno);
     }