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authorRoland McGrath <roland@gnu.org>2003-12-31 23:53:18 +0000
committerRoland McGrath <roland@gnu.org>2003-12-31 23:53:18 +0000
commit9718642bc38c9bb626d9f261c8a02a00cdd2c61c (patch)
tree91d7f3e71746bff435534ffa75a57221fde81564
parent25ac02584cecc963859f0584167389266c42c0b1 (diff)
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2003-12-31 Joseph S. Myers <jsm@polyomino.org.uk>
* CONFORMANCE: Update.
-rw-r--r--CONFORMANCE26
1 files changed, 6 insertions, 20 deletions
diff --git a/CONFORMANCE b/CONFORMANCE
index 20a9ae5..1450691 100644
--- a/CONFORMANCE
+++ b/CONFORMANCE
@@ -84,17 +84,8 @@ fixed, or to compiler limitations.
Defects in the C99 standard
===========================
-The definition of macros such as INT8_C in <stdint.h> and <inttypes.h>
-is not implementable (Defect Report #209); this is expected to be
-fixed in a Technical Corrigendum to make the macros yield a constant
-expression of the promoted type (for example, int rather than char)
-rather than needing to be able to represent constants of type char.
-glibc follows this corrected version.
-
-Several of the <fenv.h> functions are specified to return void, but
-Defect Report #202 points out that under some circumstances they may
-need to return an error status. They are expected to be corrected to
-return int; glibc follows this corrected specification.
+Some defects in C99 were corrected in Technical Corrigendum 1 to that
+standard. glibc follows the corrected specification.
Implementation of library functions
@@ -147,8 +138,7 @@ builtins.
For most of the headers required of freestanding implementations,
glibc relies on GCC to provide correct versions. (At present, glibc
-provides <stdint.h>, and GCC doesn't.) GCC's <float.h> is missing
-FLT_EVAL_METHOD and DECIMAL_DIG.
+provides <stdint.h>, and GCC doesn't.)
Implementing MATH_ERRNO, MATH_ERREXCEPT and math_errhandling in
<math.h> needs compiler support: see
@@ -162,9 +152,9 @@ Issues with headers
===================
There are various technical issues with the definitions contained in
-glibc's headers, listed below. The list below assumes current CVS GCC
-as of 2001-01-10, and relates to i686-linux; older GCC may lead to
-more problems in the headers.
+glibc's headers, listed below. The list below assumes GCC 3.3.2, and
+relates to i686-linux; older GCC may lead to more problems in the
+headers.
Note that the _t suffix is reserved by POSIX, but not by pure ISO C.
Also, the Single Unix Specification generally requires more types to
@@ -173,12 +163,8 @@ than ISO C permits.
<ctype.h> should not declare size_t.
-<inttypes.h> should not declare wchar_t.
-
<signal.h> should not declare size_t.
-<stdint.h> should not declare wchar_t.
-
<stdio.h> should not declare or use wchar_t or wint_t.
<wchar.h> does not support AMD1; to support it, the functions