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-rw-r--r--posix/regex.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/posix/regex.h b/posix/regex.h
index 8576fe6..47f4af7 100644
--- a/posix/regex.h
+++ b/posix/regex.h
@@ -513,6 +513,22 @@ extern int re_exec _RE_ARGS ((const char *));
# endif
#endif
+/* GCC 2.95 and later have "__restrict"; C99 compilers have
+ "restrict", and "configure" may have defined "restrict". */
+#ifndef __restrict
+# if ! (2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__))
+# if defined restrict || 199901L <= __STDC_VERSION__
+# define __restrict restrict
+# else
+# define __restrict
+# endif
+# endif
+/* For now unconditionally define __restrict_arr to expand to nothing.
+ Ideally we would have a test for the compiler which allows defining
+ it to restrict. */
+# define __restrict_arr
+#endif
+
/* POSIX compatibility. */
extern int regcomp _RE_ARGS ((regex_t *__restrict __preg,
const char *__restrict __pattern,