From c2a150d089fa096cb5f9e342da80fb30dc0d1953 Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Tue, 29 Dec 2020 17:32:25 -0300 Subject: posix: Sync regex code with gnulib It sync with gnulib commit 43ee1a6bf. The main change is 9682f18e9. (which does not have a meaniful description). Checked on x86_64-linux-gnu. --- posix/regex.h | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) (limited to 'posix/regex.h') diff --git a/posix/regex.h b/posix/regex.h index bdc08ec..8e4ef45 100644 --- a/posix/regex.h +++ b/posix/regex.h @@ -612,7 +612,9 @@ extern int re_exec (const char *); 'configure' might #define 'restrict' to those words, so pick a different name. */ #ifndef _Restrict_ -# if defined __restrict || 2 < __GNUC__ + (95 <= __GNUC_MINOR__) +# if defined __restrict \ + || 2 < __GNUC__ + (95 <= __GNUC_MINOR__) \ + || __clang_major__ >= 3 # define _Restrict_ __restrict # elif 199901L <= __STDC_VERSION__ || defined restrict # define _Restrict_ restrict @@ -620,13 +622,18 @@ extern int re_exec (const char *); # define _Restrict_ # endif #endif -/* For [restrict], use glibc's __restrict_arr if available. - Otherwise, GCC 3.1 (not in C++ mode) and C99 support [restrict]. */ +/* For the ISO C99 syntax + array_name[restrict] + use glibc's __restrict_arr if available. + Otherwise, GCC 3.1 and clang support this syntax (but not in C++ mode). + Other ISO C99 compilers support it as well. */ #ifndef _Restrict_arr_ # ifdef __restrict_arr # define _Restrict_arr_ __restrict_arr -# elif ((199901L <= __STDC_VERSION__ || 3 < __GNUC__ + (1 <= __GNUC_MINOR__)) \ - && !defined __GNUG__) +# elif ((199901L <= __STDC_VERSION__ \ + || 3 < __GNUC__ + (1 <= __GNUC_MINOR__) \ + || __clang_major__ >= 3) \ + && !defined __cplusplus) # define _Restrict_arr_ _Restrict_ # else # define _Restrict_arr_ -- cgit v1.1