svn commit: trunk/uClibc: include libm
vda at uclibc.org
vda at uclibc.org
Sat Feb 14 03:26:59 UTC 2009
Author: vda
Date: 2009-02-14 03:26:57 +0000 (Sat, 14 Feb 2009)
New Revision: 25329
Log:
math.h: fix libm_hidden_proto leak into sanitized headers
libm/s_nextafterf.c: use /* */ comments
Modified:
trunk/uClibc/include/math.h
trunk/uClibc/libm/s_nextafterf.c
Changeset:
Modified: trunk/uClibc/include/math.h
===================================================================
--- trunk/uClibc/include/math.h 2009-02-14 01:36:11 UTC (rev 25328)
+++ trunk/uClibc/include/math.h 2009-02-14 03:26:57 UTC (rev 25329)
@@ -46,9 +46,6 @@
/* Get general and ISO C99 specific information. */
#include <bits/mathdef.h>
-#if !(defined _LIBC && (defined NOT_IN_libc && defined IS_IN_libm))
-# define libm_hidden_proto(name, attrs...)
-#endif
/* The file <bits/mathcalls.h> contains the prototypes for all the
actual math functions. These macros are used for those prototypes,
@@ -59,13 +56,15 @@
__MATHDECL (_Mdouble_,function,suffix, args)
#define __MATHDECL(type, function,suffix, args) \
__MATHDECL_1(type, function,suffix, args);
+
#define __MATHCALLX(function,suffix, args, attrib) \
__MATHDECLX (_Mdouble_,function,suffix, args, attrib)
+#define __MATHDECL_1(type, function,suffix, args) \
+ extern type __MATH_PRECNAME(function,suffix) args __THROW
#define __MATHDECLX(type, function,suffix, args, attrib) \
__MATHDECL_1(type, function,suffix, args) __attribute__ (attrib); \
__MATHDECLI_MAINVARIANT(function)
-#define __MATHDECL_1(type, function,suffix, args) \
- extern type __MATH_PRECNAME(function,suffix) args __THROW
+
/* Decls which are also used internally in libm.
Only the main variant is used internally, no need to try to avoid relocs
for the {l,f} variants. */
@@ -76,16 +75,24 @@
__MATHDECLI_MAINVARIANT(function)
/* Private helpers for purely macro impls below.
Only make __foo{,f,l} visible but not (the macro-only) foo. */
-#define __MATHDECL_PRIV(type, function,suffix, args, attrib) \
- __MATHDECL_1(type, __CONCAT(__,function),suffix, args) \
- __attribute__ (attrib); \
+#if defined _LIBC
+# define __MATHDECL_PRIV(type, function,suffix, args, attrib) \
+ __MATHDECL_1(type, __CONCAT(__,function),suffix, args) __attribute__ (attrib); \
libm_hidden_proto(__MATH_PRECNAME(__##function,suffix))
+#else
+# define __MATHDECL_PRIV(type, function,suffix, args, attrib) \
+ __MATHDECL_1(type, __CONCAT(__,function),suffix, args) __attribute__ (attrib);
+#endif
-#define __MATHDECLI_MAINVARIANT libm_hidden_proto
-#define _Mdouble_ double
-#define __MATH_PRECNAME(name,r) __CONCAT(name,r)
-# define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_STD
-# define _Mdouble_END_NAMESPACE __END_NAMESPACE_STD
+#if defined _LIBC
+# define __MATHDECLI_MAINVARIANT(x) libm_hidden_proto(x)
+#else
+# define __MATHDECLI_MAINVARIANT(x)
+#endif
+#define _Mdouble_ double
+#define __MATH_PRECNAME(name,r) __CONCAT(name,r)
+#define _Mdouble_BEGIN_NAMESPACE __BEGIN_NAMESPACE_STD
+#define _Mdouble_END_NAMESPACE __END_NAMESPACE_STD
#include <bits/mathcalls.h>
#undef _Mdouble_
#undef _Mdouble_BEGIN_NAMESPACE
@@ -94,9 +101,9 @@
#undef __MATHDECLI_MAINVARIANT
#define __MATHDECLI_MAINVARIANT(x)
+
#if defined __USE_MISC || defined __USE_ISOC99
-
/* Include the file of declarations again, this time using `float'
instead of `double' and appending f to each function name. */
@@ -160,8 +167,8 @@
# define _Mdouble_END_NAMESPACE __END_NAMESPACE_C99
# include <bits/mathcalls.h>
# undef _Mdouble_
-# undef _Mdouble_BEGIN_NAMESPACE
-# undef _Mdouble_END_NAMESPACE
+# undef _Mdouble_BEGIN_NAMESPACE
+# undef _Mdouble_END_NAMESPACE
# undef __MATH_PRECNAME
# endif /* __STDC__ || __GNUC__ */
Modified: trunk/uClibc/libm/s_nextafterf.c
===================================================================
--- trunk/uClibc/libm/s_nextafterf.c 2009-02-14 01:36:11 UTC (rev 25328)
+++ trunk/uClibc/libm/s_nextafterf.c 2009-02-14 03:26:57 UTC (rev 25329)
@@ -33,12 +33,12 @@
return y;
if (ix == 0) { /* x == 0? */
-// glibc 2.4 does not seem to set underflow?
-// float u;
+/* glibc 2.4 does not seem to set underflow? */
+/* float u; */
/* return +-minsubnormal */
SET_FLOAT_WORD(x, (hy & 0x80000000) | 1);
-// u = x * x; /* raise underflow flag */
-// math_force_eval(u);
+/* u = x * x; raise underflow flag */
+/* math_force_eval(u); */
return x;
}
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