diff options
Diffstat (limited to 'CONFORMANCE')
| -rw-r--r-- | CONFORMANCE | 26 |
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 |