[PATCHv2] msvcrt: Implement the unprefixed logb/logbf/logbl functions for msvcr120/ucrtbase

[Martin Storsjo]

Signed-off-by: Martin Storsjo 
---
Moved the reused MSVCRT__logbf function into an ifdef block that always is built
for msvcr >= 120, even for i386.
---
 .../api-ms-win-crt-math-l1-1-0.spec           |  6 +--
 dlls/msvcr120/msvcr120.spec                   |  6 +--
 dlls/msvcr120_app/msvcr120_app.spec           |  6 +--
 dlls/msvcrt/math.c                            | 37 +++++++++++++------
 dlls/ucrtbase/ucrtbase.spec                   |  6 +--
 5 files changed, 38 insertions(+), 23 deletions(-)

diff --git a/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec b/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
index a9deec8e48..75ecaf1eff 100644
--- a/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
+++ b/dlls/api-ms-win-crt-math-l1-1-0/api-ms-win-crt-math-l1-1-0.spec
@@ -276,9 +276,9 @@
 @ cdecl log2(double) ucrtbase.log2
 @ cdecl log2f(float) ucrtbase.log2f
 @ cdecl log2l(double) ucrtbase.log2l
-@ stub logb
-@ stub logbf
-@ stub logbl
+@ cdecl logb(double) ucrtbase.logb
+@ cdecl logbf(float) ucrtbase.logbf
+@ cdecl logbl(double) ucrtbase.logbl
 @ cdecl -arch=arm,x86_64,arm64 logf(float) ucrtbase.logf
 @ cdecl lrint(double) ucrtbase.lrint
 @ cdecl lrintf(float) ucrtbase.lrintf
diff --git a/dlls/msvcr120/msvcr120.spec b/dlls/msvcr120/msvcr120.spec
index 618b9bccbc..a573c91fdc 100644
--- a/dlls/msvcr120/msvcr120.spec
+++ b/dlls/msvcr120/msvcr120.spec
@@ -2265,9 +2265,9 @@
 @ cdecl log2(double) MSVCR120_log2
 @ cdecl log2f(float) MSVCR120_log2f
 @ cdecl log2l(double) MSVCR120_log2l
-@ stub logb
-@ stub logbf
-@ stub logbl
+@ cdecl logb(double) MSVCR120_logb
+@ cdecl logbf(float) MSVCR120_logbf
+@ cdecl logbl(double) MSVCR120_logbl
 @ cdecl -arch=i386,x86_64,arm,arm64 longjmp(ptr long) MSVCRT_longjmp
 @ cdecl lrint(double) MSVCR120_lrint
 @ cdecl lrintf(float) MSVCR120_lrintf
diff --git a/dlls/msvcr120_app/msvcr120_app.spec b/dlls/msvcr120_app/msvcr120_app.spec
index 26ffaf7743..a9c21cb978 100644
--- a/dlls/msvcr120_app/msvcr120_app.spec
+++ b/dlls/msvcr120_app/msvcr120_app.spec
@@ -1928,9 +1928,9 @@
 @ cdecl log2(double) msvcr120.log2
 @ cdecl log2f(float) msvcr120.log2f
 @ cdecl log2l(double) msvcr120.log2l
-@ stub logb
-@ stub logbf
-@ stub logbl
+@ cdecl logb(double) msvcr120.logb
+@ cdecl logbf(float) msvcr120.logbf
+@ cdecl logbl(double) msvcr120.logbl
 @ cdecl -arch=i386,x86_64,arm,arm64 longjmp(ptr long) msvcr120.longjmp
 @ cdecl lrint(double) msvcr120.lrint
 @ cdecl lrintf(float) msvcr120.lrintf
diff --git a/dlls/msvcrt/math.c b/dlls/msvcrt/math.c
index 21f1f9b9b2..f5ff8ef204 100644
--- a/dlls/msvcrt/math.c
+++ b/dlls/msvcrt/math.c
@@ -157,6 +157,17 @@ float CDECL MSVCRT__nextafterf( float num, float next )
     return nextafterf( num, next );
 }

+/*********************************************************************
+ *      _logbf (MSVCRT.@)
+ */
+float CDECL MSVCRT__logbf( float num )
+{
+    float ret = logbf(num);
+    if (isnan(num)) math_error(_DOMAIN, "_logbf", num, 0, ret);
+    else if (!num) math_error(_SING, "_logbf", num, 0, ret);
+    return ret;
+}
+
 #endif
 #if defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)

@@ -179,17 +190,6 @@ INT CDECL MSVCRT__isnanf( float num )
     return isnan(num) != 0;
 }

-/*********************************************************************
- *      _logbf (MSVCRT.@)
- */
-float CDECL MSVCRT__logbf( float num )
-{
-    float ret = logbf(num);
-    if (isnan(num)) math_error(_DOMAIN, "_logbf", num, 0, ret);
-    else if (!num) math_error(_SING, "_logbf", num, 0, ret);
-    return ret;
-}
-
 /*********************************************************************
  *      MSVCRT_acosf (MSVCRT.@)
  */
@@ -3499,4 +3499,19 @@ int CDECL MSVCR120_ilogbl(LDOUBLE x)
     return MSVCR120_ilogb(x);
 }

+double CDECL MSVCR120_logb(double x)
+{
+    return MSVCRT__logb(x);
+}
+
+float CDECL MSVCR120_logbf(float x)
+{
+    return MSVCRT__logbf(x);
+}
+
+LDOUBLE CDECL MSVCR120_logbl(LDOUBLE x)
+{
+    return MSVCR120_logb(x);
+}
+
 #endif /* _MSVCR_VER>=120 */
diff --git a/dlls/ucrtbase/ucrtbase.spec b/dlls/ucrtbase/ucrtbase.spec
index 1866f1b8b0..99dd8fd08f 100644
--- a/dlls/ucrtbase/ucrtbase.spec
+++ b/dlls/ucrtbase/ucrtbase.spec
@@ -2398,9 +2398,9 @@
 @ cdecl log2(double) MSVCR120_log2
 @ cdecl log2f(float) MSVCR120_log2f
 @ cdecl log2l(double) MSVCR120_log2l
-@ stub logb
-@ stub logbf
-@ stub logbl
+@ cdecl logb(double) MSVCR120_logb
+@ cdecl logbf(float) MSVCR120_logbf
+@ cdecl logbl(double) MSVCR120_logbl
 @ cdecl -arch=arm,x86_64,arm64 logf(float) MSVCRT_logf
 @ cdecl -arch=i386,x86_64,arm,arm64 longjmp(ptr long) MSVCRT_longjmp
 @ cdecl lrint(double) MSVCR120_lrint