From ae8e3c2b257c38c5301d20bec39a1ffec2aba6c6 Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Thu, 29 Apr 2021 15:35:47 +0900 Subject: [PATCH] ether-addr-util: introduce ether_addr_to_string_alloc() --- src/basic/ether-addr-util.c | 16 ++++++++++++++++ src/basic/ether-addr-util.h | 1 + 2 files changed, 17 insertions(+) diff --git a/src/basic/ether-addr-util.c b/src/basic/ether-addr-util.c index c8094b6e45e..4bb65573845 100644 --- a/src/basic/ether-addr-util.c +++ b/src/basic/ether-addr-util.c @@ -43,6 +43,22 @@ char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR return buffer; } +int ether_addr_to_string_alloc(const struct ether_addr *addr, char **ret) { + char *buf; + + assert(addr); + assert(ret); + + buf = new(char, ETHER_ADDR_TO_STRING_MAX); + if (!buf) + return -ENOMEM; + + ether_addr_to_string(addr, buf); + + *ret = buf; + return 0; +} + int ether_addr_compare(const struct ether_addr *a, const struct ether_addr *b) { return memcmp(a, b, ETH_ALEN); } diff --git a/src/basic/ether-addr-util.h b/src/basic/ether-addr-util.h index 942ce55621e..712c9277964 100644 --- a/src/basic/ether-addr-util.h +++ b/src/basic/ether-addr-util.h @@ -35,6 +35,7 @@ char* hw_addr_to_string(const hw_addr_data *addr, char buffer[HW_ADDR_TO_STRING_ #define ETHER_ADDR_TO_STRING_MAX (3*6) char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]); +int ether_addr_to_string_alloc(const struct ether_addr *addr, char **ret); int ether_addr_compare(const struct ether_addr *a, const struct ether_addr *b); static inline bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b) { -- 2.47.3