The 'restrict' keyword is recognized in C99, while type qulifier '__restrict' compiles ok in C with all language levels. This patch is to add a wrapper defining '__rte_restrict' with 'restrict' and '__restrict' to be supported by all compilers.
Signed-off-by: Joyce Kong <joyce.k...@arm.com> --- lib/librte_eal/include/rte_common.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/lib/librte_eal/include/rte_common.h b/lib/librte_eal/include/rte_common.h index 0843ce69e..cda32c056 100644 --- a/lib/librte_eal/include/rte_common.h +++ b/lib/librte_eal/include/rte_common.h @@ -103,6 +103,16 @@ typedef uint16_t unaligned_uint16_t; */ #define __rte_unused __attribute__((__unused__)) +/** + * Define a wrapper for restricted pointers which can be supported + * by all compilers. + */ +#if __STDC_VERSION__ >= 199901 +#define __rte_restrict restrict +#else +#define __rte_restrict __restrict +#endif + /** * definition to mark a variable or function parameter as used so * as to avoid a compiler warning -- 2.27.0
