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authorCarlos Falgueras García <carlosfg@riseup.net>2016-03-22 20:46:24 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2016-04-14 02:23:26 +0200
commit5c3bc232dc9d1dd01d589fab096f67d944621fc2 (patch)
tree51d84afbca7fe6adc6b7c0b941ae3dba4f9117bc /src/libnftnl.map
parent2d5f3998fa478a4555b0d0599e015b763f03576c (diff)
udata: add TLV user data infrastructure
These functions allow to create a buffer (struct nftnl_udata_buf) of user data attributes in TLV format (struct nftnl_udata). It is inspired by libmnl/src/attr.c. It can be used to store several TLVs sequentially into an object. Example: struct nftnl_udata_buf *buf; struct nftnl_udata *attr; const char *str = "Hello World!"; buf = nftnl_udata_buf_alloc(UDATA_SIZE); if (!buf) { perror("OOM"); exit(EXIT_FAILURE); } if (!nftnl_udata_put_strz(buf, MY_TYPE, str)) { perror("Can't put attribute \"%s\"", str); exit(EXIT_FAILURE); } nftnl_udata_for_each(buf, attr) printf("%s\n", (char *)nftnl_udata_attr_value(attr)); nftnl_udata_buf_free(buf); Signed-off-by: Carlos Falgueras García <carlosfg@riseup.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/libnftnl.map')
-rw-r--r--src/libnftnl.map15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/libnftnl.map b/src/libnftnl.map
index 2e193b7..c38e081 100644
--- a/src/libnftnl.map
+++ b/src/libnftnl.map
@@ -512,4 +512,19 @@ LIBNFTNL_4.1 {
nftnl_trace_get_data;
nftnl_trace_nlmsg_parse;
+
+ nftnl_udata_buf_alloc;
+ nftnl_udata_buf_free;
+ nftnl_udata_buf_len;
+ nftnl_udata_buf_data;
+ nftnl_udata_buf_put;
+ nftnl_udata_start;
+ nftnl_udata_end;
+ nftnl_udata_put;
+ nftnl_udata_put_strz;
+ nftnl_udata_type;
+ nftnl_udata_len;
+ nftnl_udata_get;
+ nftnl_udata_next;
+ nftnl_udata_parse;
} LIBNFTNL_4;