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Lib: Use access() function attribute
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@ -78,6 +78,16 @@ static inline int u64_cmp(u64 i1, u64 i2)
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#define NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))
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#define ALLOC_SIZE(...) __attribute__((alloc_size(__VA_ARGS__)))
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#if __GNUC_PREREQ(10, 0)
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#define ACCESS_READ(...) __attribute__((access(read_only, __VA_ARGS__)))
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#define ACCESS_WRITE(...) __attribute__((access(write_only, __VA_ARGS__)))
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#define ACCESS_RW(...) __attribute__((access(read_write, __VA_ARGS__)))
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#else
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#define ACCESS_READ(...)
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#define ACCESS_WRITE(...)
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#define ACCESS_RW(...)
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#endif
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#define STATIC_ASSERT(EXP) _Static_assert(EXP, #EXP)
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#define STATIC_ASSERT_MSG(EXP,MSG) _Static_assert(EXP, MSG)
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2
lib/ip.h
2
lib/ip.h
@ -398,7 +398,7 @@ typedef struct mpls_label_stack {
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u32 stack[MPLS_MAX_LABEL_STACK];
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} mpls_label_stack;
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static inline int
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static inline int ACCESS_READ(1, 2)
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mpls_get(const char *buf, int buflen, u32 *stack)
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{
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for (int i=0; (i<MPLS_MAX_LABEL_STACK) && (i*4+3 < buflen); i++)
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@ -639,8 +639,8 @@ void net_normalize(net_addr *N);
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int net_classify(const net_addr *N);
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int net_format(const net_addr *N, char *buf, int buflen);
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int rd_format(const u64 rd, char *buf, int buflen);
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int net_format(const net_addr *N, char *buf, int buflen) ACCESS_WRITE(2, 3);
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int rd_format(const u64 rd, char *buf, int buflen) ACCESS_WRITE(2, 3);
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static inline int ipa_in_px4(ip4_addr a, ip4_addr prefix, uint pxlen)
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{ return ip4_zero(ip4_and(ip4_xor(a, prefix), ip4_mkmask(pxlen))); }
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@ -17,8 +17,8 @@
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int bsprintf(char *str, const char *fmt, ...);
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int bvsprintf(char *str, const char *fmt, va_list args);
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int bsnprintf(char *str, int size, const char *fmt, ...);
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int bvsnprintf(char *str, int size, const char *fmt, va_list args);
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int bsnprintf(char *str, int size, const char *fmt, ...) ACCESS_WRITE(1, 2);
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int bvsnprintf(char *str, int size, const char *fmt, va_list args) ACCESS_WRITE(1, 2);
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char *mb_sprintf(pool *p, const char *fmt, ...);
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char *mb_vsprintf(pool *p, const char *fmt, va_list args);
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@ -34,7 +34,7 @@ u64 bstrtoul16(const char *str, char **end);
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byte bstrtobyte16(const char *str);
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int bstrhextobin(const char *s, byte *b);
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int bstrbintohex(const byte *b, size_t len, char *buf, size_t size, char delim);
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int bstrbintohex(const byte *b, size_t len, char *buf, size_t size, char delim) ACCESS_READ(1, 2) ACCESS_WRITE(3, 4);
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int patmatch(const byte *pat, const byte *str);
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@ -41,7 +41,7 @@ struct adata *as_path_prepend2(struct linpool *pool, const struct adata *op, int
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struct adata *as_path_to_old(struct linpool *pool, const struct adata *path);
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struct adata *as_path_cut(struct linpool *pool, const struct adata *path, uint num);
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const struct adata *as_path_merge(struct linpool *pool, const struct adata *p1, const struct adata *p2);
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void as_path_format(const struct adata *path, byte *buf, uint size);
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void as_path_format(const struct adata *path, byte *buf, uint size) ACCESS_WRITE(2, 3);
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int as_path_getlen(const struct adata *path);
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int as_path_getlen_int(const struct adata *path, int bs);
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int as_path_get_first(const struct adata *path, u32 *orig_as);
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@ -212,11 +212,11 @@ enum isf_way {
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ISF_ROUTER_ID,
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};
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int int_set_format(const struct adata *set, enum isf_way way, int from, byte *buf, uint size);
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int int_set_format(const struct adata *set, enum isf_way way, int from, byte *buf, uint size) ACCESS_WRITE(4, 5);
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int ec_format(byte *buf, u64 ec);
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int ec_set_format(const struct adata *set, int from, byte *buf, uint size);
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int ec_set_format(const struct adata *set, int from, byte *buf, uint size) ACCESS_WRITE(3, 4);
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int lc_format(byte *buf, lcomm lc);
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int lc_set_format(const struct adata *set, int from, byte *buf, uint size);
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int lc_set_format(const struct adata *set, int from, byte *buf, uint size) ACCESS_WRITE(3, 4);
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int int_set_contains(const struct adata *list, u32 val);
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int ec_set_contains(const struct adata *list, u64 val);
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int lc_set_contains(const struct adata *list, lcomm val);
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