diff options
Diffstat (limited to 'lib/regex.h')
| -rw-r--r-- | lib/regex.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/lib/regex.h b/lib/regex.h index 1956734051c..d291e38793e 100644 --- a/lib/regex.h +++ b/lib/regex.h @@ -600,11 +600,9 @@ extern void re_set_registers (struct re_pattern_buffer *__buffer, #endif /* Use GNU */ #if defined _REGEX_RE_COMP || (defined _LIBC && defined __USE_MISC) -# ifndef _CRAY /* 4.2 bsd compatibility. */ extern char *re_comp (const char *); extern int re_exec (const char *); -# endif #endif /* For plain 'restrict', use glibc's __restrict if defined. @@ -614,7 +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 @@ -622,13 +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_ |