From 531f1ae0a79b9c3a91654750b11d25b256d7215f Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Sat, 17 Nov 2012 01:49:19 +0000 Subject: Generate /usr/libexec/getconf files when cross-compiling. --- posix/confstr.c | 201 ++++++++++---------------------------------------------- 1 file changed, 36 insertions(+), 165 deletions(-) (limited to 'posix/confstr.c') diff --git a/posix/confstr.c b/posix/confstr.c index cad65615ad..7d86d60bc1 100644 --- a/posix/confstr.c +++ b/posix/confstr.c @@ -48,182 +48,53 @@ confstr (name, buf, len) } break; - case _CS_V7_WIDTH_RESTRICTED_ENVS: - /* We have to return a newline-separated list of named of - programming environements in which the widths of blksize_t, + /* For _CS_V7_WIDTH_RESTRICTED_ENVS, _CS_V6_WIDTH_RESTRICTED_ENVS + and _CS_V5_WIDTH_RESTRICTED_ENVS: + + We have to return a newline-separated list of names of + programming environments in which the widths of blksize_t, cc_t, mode_t, nfds_t, pid_t, ptrdiff_t, size_t, speed_t, ssize_t, suseconds_t, tcflag_t, useconds_t, wchar_t, and wint_t types are no greater than the width of type long. - Currently this means all environment which the system allows. */ + Currently this means all environments that the system allows. */ + +#define START_ENV_GROUP(VERSION) \ + case _CS_##VERSION##_WIDTH_RESTRICTED_ENVS: \ string_len = 0; -#ifndef _POSIX_V7_ILP32_OFF32 - if (__sysconf (_SC_V7_ILP32_OFF32) > 0) -#endif -#if !defined _POSIX_V7_ILP32_OFF32 || _POSIX_V7_ILP32_OFF32 > 0 - { - memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFF32", - sizeof "POSIX_V7_ILP32_OFF32" - 1); - string_len += sizeof "POSIX_V7_ILP32_OFF32" - 1; - } -#endif -#ifndef _POSIX_V7_ILP32_OFFBIG - if (__sysconf (_SC_V7_ILP32_OFFBIG) > 0) -#endif -#if !defined _POSIX_V7_ILP32_OFFBIG || _POSIX_V7_ILP32_OFFBIG > 0 - { - if (string_len) - restenvs[string_len++] = '\n'; - memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFFBIG", - sizeof "POSIX_V7_ILP32_OFFBIG" - 1); - string_len += sizeof "POSIX_V7_ILP32_OFFBIG" - 1; - } -#endif -#ifndef _POSIX_V7_LP64_OFF64 - if (__sysconf (_SC_V7_LP64_OFF64) > 0) -#endif -#if !defined _POSIX_V7_LP64_OFF64 || _POSIX_V7_LP64_OFF64 > 0 - { - if (string_len) - restenvs[string_len++] = '\n'; - memcpy (restenvs + string_len, "POSIX_V7_LP64_OFF64", - sizeof "POSIX_V7_LP64_OFF64" - 1); - string_len += sizeof "POSIX_V7_LP64_OFF64" - 1; - } -#endif -#ifndef _POSIX_V7_LPBIG_OFFBIG - if (__sysconf (_SC_V7_LPBIG_OFFBIG) > 0) -#endif -#if !defined _POSIX_V7_LPBIG_OFFBIG || _POSIX_V7_LPBIG_OFFBIG > 0 - { - if (string_len) - restenvs[string_len++] = '\n'; - memcpy (restenvs + string_len, "POSIX_V7_LPBIG_OFFBIG", - sizeof "POSIX_V7_LPBIG_OFFBIG" - 1); - string_len += sizeof "POSIX_V7_LPBIG_OFFBIG" - 1; - } -#endif - restenvs[string_len++] = '\0'; - string = restenvs; + +#define END_ENV_GROUP(VERSION) \ + restenvs[string_len++] = '\0'; \ + string = restenvs; \ break; - case _CS_V6_WIDTH_RESTRICTED_ENVS: - /* We have to return a newline-separated list of named of - programming environements in which the widths of blksize_t, - cc_t, mode_t, nfds_t, pid_t, ptrdiff_t, size_t, speed_t, - ssize_t, suseconds_t, tcflag_t, useconds_t, wchar_t, and - wint_t types are no greater than the width of type long. +#define KNOWN_ABSENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ + /* Empty. */ - Currently this means all environment which the system allows. */ - string_len = 0; -#ifndef _POSIX_V6_ILP32_OFF32 - if (__sysconf (_SC_V6_ILP32_OFF32) > 0) -#endif -#if !defined _POSIX_V6_ILP32_OFF32 || _POSIX_V6_ILP32_OFF32 > 0 - { - memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFF32", - sizeof "POSIX_V6_ILP32_OFF32" - 1); - string_len += sizeof "POSIX_V6_ILP32_OFF32" - 1; - } -#endif -#ifndef _POSIX_V6_ILP32_OFFBIG - if (__sysconf (_SC_V6_ILP32_OFFBIG) > 0) -#endif -#if !defined _POSIX_V6_ILP32_OFFBIG || _POSIX_V6_ILP32_OFFBIG > 0 - { - if (string_len) - restenvs[string_len++] = '\n'; - memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFFBIG", - sizeof "POSIX_V6_ILP32_OFFBIG" - 1); - string_len += sizeof "POSIX_V6_ILP32_OFFBIG" - 1; - } -#endif -#ifndef _POSIX_V6_LP64_OFF64 - if (__sysconf (_SC_V6_LP64_OFF64) > 0) -#endif -#if !defined _POSIX_V6_LP64_OFF64 || _POSIX_V6_LP64_OFF64 > 0 - { - if (string_len) - restenvs[string_len++] = '\n'; - memcpy (restenvs + string_len, "POSIX_V6_LP64_OFF64", - sizeof "POSIX_V6_LP64_OFF64" - 1); - string_len += sizeof "POSIX_V6_LP64_OFF64" - 1; - } -#endif -#ifndef _POSIX_V6_LPBIG_OFFBIG - if (__sysconf (_SC_V6_LPBIG_OFFBIG) > 0) -#endif -#if !defined _POSIX_V6_LPBIG_OFFBIG || _POSIX_V6_LPBIG_OFFBIG > 0 - { - if (string_len) - restenvs[string_len++] = '\n'; - memcpy (restenvs + string_len, "POSIX_V6_LPBIG_OFFBIG", - sizeof "POSIX_V6_LPBIG_OFFBIG" - 1); - string_len += sizeof "POSIX_V6_LPBIG_OFFBIG" - 1; - } -#endif - restenvs[string_len++] = '\0'; - string = restenvs; - break; +#define KNOWN_PRESENT_ENV_STRING(STR) \ + if (string_len > 0) \ + restenvs[string_len++] = '\n'; \ + memcpy (restenvs + string_len, STR, \ + sizeof STR - 1); \ + string_len += sizeof STR - 1; - case _CS_V5_WIDTH_RESTRICTED_ENVS: - /* We have to return a newline-separated list of named of - programming environements in which the widths of blksize_t, - cc_t, mode_t, nfds_t, pid_t, ptrdiff_t, size_t, speed_t, - ssize_t, suseconds_t, tcflag_t, useconds_t, wchar_t, and - wint_t types are no greater than the width of type long. +#define KNOWN_PRESENT_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ + KNOWN_PRESENT_ENV_STRING (#ENV_PREFIX "_" #SUFFIX) - Currently this means all environment which the system allows. */ - string_len = 0; -#ifndef _XBS5_ILP32_OFF32 - if (__sysconf (_SC_XBS5_ILP32_OFF32) > 0) -#endif -#if !defined _XBS5_ILP32_OFF32 || _XBS5_ILP32_OFF32 > 0 - { - memcpy (restenvs + string_len, "XBS5_ILP32_OFF32", - sizeof "XBS5_ILP32_OFF32" - 1); - string_len += sizeof "XBS5_ILP32_OFF32" - 1; +#define UNKNOWN_ENVIRONMENT(SC_PREFIX, ENV_PREFIX, SUFFIX) \ + if (__sysconf (_SC_##SC_PREFIX##_##SUFFIX) > 0) \ + { \ + KNOWN_PRESENT_ENVIRONMENT (SC_PREFIX, ENV_PREFIX, SUFFIX) \ } -#endif -#ifndef _XBS5_ILP32_OFFBIG - if (__sysconf (_SC_XBS5_ILP32_OFFBIG) > 0) -#endif -#if !defined _XBS5_ILP32_OFFBIG || _XBS5_ILP32_OFFBIG > 0 - { - if (string_len) - restenvs[string_len++] = '\n'; - memcpy (restenvs + string_len, "XBS5_ILP32_OFFBIG", - sizeof "XBS5_ILP32_OFFBIG" - 1); - string_len += sizeof "XBS5_ILP32_OFFBIG" - 1; - } -#endif -#ifndef _XBS5_LP64_OFF64 - if (__sysconf (_SC_XBS5_LP64_OFF64) > 0) -#endif -#if !defined _XBS5_LP64_OFF64 || _XBS5_LP64_OFF64 > 0 - { - if (string_len) - restenvs[string_len++] = '\n'; - memcpy (restenvs + string_len, "XBS5_LP64_OFF64", - sizeof "XBS5_LP64_OFF64" - 1); - string_len += sizeof "XBS5_LP64_OFF64" - 1; - } -#endif -#ifndef _XBS5_LPBIG_OFFBIG - if (__sysconf (_SC_XBS5_LPBIG_OFFBIG) > 0) -#endif -#if !defined _XBS5_LPBIG_OFFBIG || _XBS5_LPBIG_OFFBIG > 0 - { - if (string_len) - restenvs[string_len++] = '\n'; - memcpy (restenvs + string_len, "XBS5_LPBIG_OFFBIG", - sizeof "XBS5_LPBIG_OFFBIG" - 1); - string_len += sizeof "XBS5_LPBIG_OFFBIG" - 1; - } -#endif - restenvs[string_len++] = '\0'; - string = restenvs; - break; + +#include "posix-envs.def" + +#undef START_ENV_GROUP +#undef END_ENV_GROUP +#undef KNOWN_ABSENT_ENVIRONMENT +#undef KNOWN_PRESENT_ENV_STRING +#undef KNOWN_PRESENT_ENVIRONMENT +#undef UNKNOWN_ENVIRONMENT case _CS_XBS5_ILP32_OFF32_CFLAGS: case _CS_POSIX_V6_ILP32_OFF32_CFLAGS: -- cgit 1.4.1