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-rw-r--r--src/Makefile.am4
-rw-r--r--src/attr.c71
-rw-r--r--src/callback.c13
-rw-r--r--src/internal.h11
-rw-r--r--src/nlmsg.c33
-rw-r--r--src/socket.c28
6 files changed, 97 insertions, 63 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index dd1b1b7..82e4887 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,7 +1,5 @@
include $(top_srcdir)/Make_global.am
-AM_CFLAGS += $(CFLAG_VISIBILITY)
-AM_CPPFLAGS += -DBUILDING_MNL
lib_LTLIBRARIES = libmnl.la
libmnl_la_LDFLAGS = -Wl,--version-script=$(srcdir)/libmnl.map -version-info $(LIBVERSION)
-libmnl_la_SOURCES = socket.c callback.c nlmsg.c attr.c
+libmnl_la_SOURCES = socket.c callback.c nlmsg.c attr.c internal.h
diff --git a/src/attr.c b/src/attr.c
index ee9678f..7357f43 100644
--- a/src/attr.c
+++ b/src/attr.c
@@ -11,6 +11,7 @@
#include <string.h>
#include <values.h> /* for INT_MAX */
#include <errno.h>
+#include "internal.h"
/**
* \defgroup attr Netlink attribute helpers
@@ -35,7 +36,7 @@
*
* This function returns the attribute type.
*/
-uint16_t mnl_attr_get_type(const struct nlattr *attr)
+EXPORT_SYMBOL uint16_t mnl_attr_get_type(const struct nlattr *attr)
{
return attr->nla_type & NLA_TYPE_MASK;
}
@@ -47,7 +48,7 @@ uint16_t mnl_attr_get_type(const struct nlattr *attr)
* This function returns the attribute length that is the attribute header
* plus the attribute payload.
*/
-uint16_t mnl_attr_get_len(const struct nlattr *attr)
+EXPORT_SYMBOL uint16_t mnl_attr_get_len(const struct nlattr *attr)
{
return attr->nla_len;
}
@@ -58,7 +59,7 @@ uint16_t mnl_attr_get_len(const struct nlattr *attr)
*
* This function returns the attribute payload-value length.
*/
-uint16_t mnl_attr_get_payload_len(const struct nlattr *attr)
+EXPORT_SYMBOL uint16_t mnl_attr_get_payload_len(const struct nlattr *attr)
{
return attr->nla_len - MNL_ATTR_HDRLEN;
}
@@ -69,7 +70,7 @@ uint16_t mnl_attr_get_payload_len(const struct nlattr *attr)
*
* This function return a pointer to the attribute payload.
*/
-void *mnl_attr_get_payload(const struct nlattr *attr)
+EXPORT_SYMBOL void *mnl_attr_get_payload(const struct nlattr *attr)
{
return (void *)attr + MNL_ATTR_HDRLEN;
}
@@ -90,7 +91,7 @@ void *mnl_attr_get_payload(const struct nlattr *attr)
* The len parameter may be negative in the case of malformed messages during
* attribute iteration, that is why we use a signed integer.
*/
-bool mnl_attr_ok(const struct nlattr *attr, int len)
+EXPORT_SYMBOL bool mnl_attr_ok(const struct nlattr *attr, int len)
{
return len >= (int)sizeof(struct nlattr) &&
attr->nla_len >= sizeof(struct nlattr) &&
@@ -106,7 +107,7 @@ bool mnl_attr_ok(const struct nlattr *attr, int len)
* as parameter. You have to use mnl_attr_ok() to ensure that the next
* attribute is valid.
*/
-struct nlattr *mnl_attr_next(const struct nlattr *attr)
+EXPORT_SYMBOL struct nlattr *mnl_attr_next(const struct nlattr *attr)
{
return (struct nlattr *)((void *)attr + MNL_ALIGN(attr->nla_len));
}
@@ -125,7 +126,7 @@ struct nlattr *mnl_attr_next(const struct nlattr *attr)
* This leads to backward compatibility breakages in user-space. Better check
* if you support an attribute, if not, skip it.
*/
-int mnl_attr_type_valid(const struct nlattr *attr, uint16_t max)
+EXPORT_SYMBOL int mnl_attr_type_valid(const struct nlattr *attr, uint16_t max)
{
if (mnl_attr_get_type(attr) > max) {
errno = EOPNOTSUPP;
@@ -204,7 +205,8 @@ static const size_t mnl_attr_data_type_len[MNL_TYPE_MAX] = {
* integers (u8, u16, u32 and u64) have enough room for them. This function
* returns -1 in case of error, and errno is explicitly set.
*/
-int mnl_attr_validate(const struct nlattr *attr, enum mnl_attr_data_type type)
+EXPORT_SYMBOL int
+mnl_attr_validate(const struct nlattr *attr, enum mnl_attr_data_type type)
{
int exp_len;
@@ -226,8 +228,9 @@ int mnl_attr_validate(const struct nlattr *attr, enum mnl_attr_data_type type)
* whose size is variable. If the size of the attribute is not what we expect,
* this functions returns -1 and errno is explicitly set.
*/
-int mnl_attr_validate2(const struct nlattr *attr,
- enum mnl_attr_data_type type, size_t exp_len)
+EXPORT_SYMBOL int
+mnl_attr_validate2(const struct nlattr *attr, enum mnl_attr_data_type type,
+ size_t exp_len)
{
if (type >= MNL_TYPE_MAX) {
errno = EINVAL;
@@ -251,8 +254,9 @@ int mnl_attr_validate2(const struct nlattr *attr,
* This function propagates the return value of the callback, which can be
* MNL_CB_ERROR, MNL_CB_OK or MNL_CB_STOP.
*/
-int mnl_attr_parse(const struct nlmsghdr *nlh, unsigned int offset,
- mnl_attr_cb_t cb, void *data)
+EXPORT_SYMBOL int
+mnl_attr_parse(const struct nlmsghdr *nlh, unsigned int offset,
+ mnl_attr_cb_t cb, void *data)
{
int ret = MNL_CB_OK;
const struct nlattr *attr;
@@ -277,8 +281,9 @@ int mnl_attr_parse(const struct nlmsghdr *nlh, unsigned int offset,
* This function propagates the return value of the callback, which can be
* MNL_CB_ERROR, MNL_CB_OK or MNL_CB_STOP.
*/
-int mnl_attr_parse_nested(const struct nlattr *nested,
- mnl_attr_cb_t cb, void *data)
+EXPORT_SYMBOL int
+mnl_attr_parse_nested(const struct nlattr *nested, mnl_attr_cb_t cb,
+ void *data)
{
int ret = MNL_CB_OK;
const struct nlattr *attr;
@@ -295,7 +300,7 @@ int mnl_attr_parse_nested(const struct nlattr *nested,
*
* This function returns the 8-bit value of the attribute payload.
*/
-uint8_t mnl_attr_get_u8(const struct nlattr *attr)
+EXPORT_SYMBOL uint8_t mnl_attr_get_u8(const struct nlattr *attr)
{
return *((uint8_t *)mnl_attr_get_payload(attr));
}
@@ -306,7 +311,7 @@ uint8_t mnl_attr_get_u8(const struct nlattr *attr)
*
* This function returns the 16-bit value of the attribute payload.
*/
-uint16_t mnl_attr_get_u16(const struct nlattr *attr)
+EXPORT_SYMBOL uint16_t mnl_attr_get_u16(const struct nlattr *attr)
{
return *((uint16_t *)mnl_attr_get_payload(attr));
}
@@ -317,7 +322,7 @@ uint16_t mnl_attr_get_u16(const struct nlattr *attr)
*
* This function returns the 32-bit value of the attribute payload.
*/
-uint32_t mnl_attr_get_u32(const struct nlattr *attr)
+EXPORT_SYMBOL uint32_t mnl_attr_get_u32(const struct nlattr *attr)
{
return *((uint32_t *)mnl_attr_get_payload(attr));
}
@@ -330,7 +335,7 @@ uint32_t mnl_attr_get_u32(const struct nlattr *attr)
* function is align-safe, since accessing 64-bit Netlink attributes is a
* common source of alignment issues.
*/
-uint64_t mnl_attr_get_u64(const struct nlattr *attr)
+EXPORT_SYMBOL uint64_t mnl_attr_get_u64(const struct nlattr *attr)
{
uint64_t tmp;
memcpy(&tmp, mnl_attr_get_payload(attr), sizeof(tmp));
@@ -343,7 +348,7 @@ uint64_t mnl_attr_get_u64(const struct nlattr *attr)
*
* This function returns the payload of string attribute value.
*/
-const char *mnl_attr_get_str(const struct nlattr *attr)
+EXPORT_SYMBOL const char *mnl_attr_get_str(const struct nlattr *attr)
{
return mnl_attr_get_payload(attr);
}
@@ -358,8 +363,8 @@ const char *mnl_attr_get_str(const struct nlattr *attr)
* This function updates the length field of the Netlink message (nlmsg_len)
* by adding the size (header + payload) of the new attribute.
*/
-void mnl_attr_put(struct nlmsghdr *nlh, uint16_t type,
- size_t len, const void *data)
+EXPORT_SYMBOL void
+mnl_attr_put(struct nlmsghdr *nlh, uint16_t type, size_t len, const void *data)
{
struct nlattr *attr = mnl_nlmsg_get_payload_tail(nlh);
uint16_t payload_len = MNL_ALIGN(sizeof(struct nlattr)) + len;
@@ -380,7 +385,8 @@ void mnl_attr_put(struct nlmsghdr *nlh, uint16_t type,
* This function updates the length field of the Netlink message (nlmsg_len)
* by adding the size (header + payload) of the new attribute.
*/
-void mnl_attr_put_u8(struct nlmsghdr *nlh, uint16_t type, uint8_t data)
+EXPORT_SYMBOL void
+mnl_attr_put_u8(struct nlmsghdr *nlh, uint16_t type, uint8_t data)
{
mnl_attr_put(nlh, type, sizeof(uint8_t), &data);
}
@@ -394,7 +400,8 @@ void mnl_attr_put_u8(struct nlmsghdr *nlh, uint16_t type, uint8_t data)
* This function updates the length field of the Netlink message (nlmsg_len)
* by adding the size (header + payload) of the new attribute.
*/
-void mnl_attr_put_u16(struct nlmsghdr *nlh, uint16_t type, uint16_t data)
+EXPORT_SYMBOL void
+mnl_attr_put_u16(struct nlmsghdr *nlh, uint16_t type, uint16_t data)
{
mnl_attr_put(nlh, type, sizeof(uint16_t), &data);
}
@@ -408,7 +415,8 @@ void mnl_attr_put_u16(struct nlmsghdr *nlh, uint16_t type, uint16_t data)
* This function updates the length field of the Netlink message (nlmsg_len)
* by adding the size (header + payload) of the new attribute.
*/
-void mnl_attr_put_u32(struct nlmsghdr *nlh, uint16_t type, uint32_t data)
+EXPORT_SYMBOL void
+mnl_attr_put_u32(struct nlmsghdr *nlh, uint16_t type, uint32_t data)
{
mnl_attr_put(nlh, type, sizeof(uint32_t), &data);
}
@@ -422,7 +430,8 @@ void mnl_attr_put_u32(struct nlmsghdr *nlh, uint16_t type, uint32_t data)
* This function updates the length field of the Netlink message (nlmsg_len)
* by adding the size (header + payload) of the new attribute.
*/
-void mnl_attr_put_u64(struct nlmsghdr *nlh, uint16_t type, uint64_t data)
+EXPORT_SYMBOL void
+mnl_attr_put_u64(struct nlmsghdr *nlh, uint16_t type, uint64_t data)
{
mnl_attr_put(nlh, type, sizeof(uint64_t), &data);
}
@@ -436,7 +445,8 @@ void mnl_attr_put_u64(struct nlmsghdr *nlh, uint16_t type, uint64_t data)
* This function updates the length field of the Netlink message (nlmsg_len)
* by adding the size (header + payload) of the new attribute.
*/
-void mnl_attr_put_str(struct nlmsghdr *nlh, uint16_t type, const char *data)
+EXPORT_SYMBOL void
+mnl_attr_put_str(struct nlmsghdr *nlh, uint16_t type, const char *data)
{
mnl_attr_put(nlh, type, strlen(data), data);
}
@@ -453,7 +463,8 @@ void mnl_attr_put_str(struct nlmsghdr *nlh, uint16_t type, const char *data)
* This function updates the length field of the Netlink message (nlmsg_len)
* by adding the size (header + payload) of the new attribute.
*/
-void mnl_attr_put_strz(struct nlmsghdr *nlh, uint16_t type, const char *data)
+EXPORT_SYMBOL void
+mnl_attr_put_strz(struct nlmsghdr *nlh, uint16_t type, const char *data)
{
mnl_attr_put(nlh, type, strlen(data)+1, data);
}
@@ -467,7 +478,8 @@ void mnl_attr_put_strz(struct nlmsghdr *nlh, uint16_t type, const char *data)
* an attribute nest. This function always returns a valid pointer to the
* beginning of the nest.
*/
-struct nlattr *mnl_attr_nest_start(struct nlmsghdr *nlh, uint16_t type)
+EXPORT_SYMBOL struct nlattr *
+mnl_attr_nest_start(struct nlmsghdr *nlh, uint16_t type)
{
struct nlattr *start = mnl_nlmsg_get_payload_tail(nlh);
@@ -485,7 +497,8 @@ struct nlattr *mnl_attr_nest_start(struct nlmsghdr *nlh, uint16_t type)
*
* This function updates the attribute header that identifies the nest.
*/
-void mnl_attr_nest_end(struct nlmsghdr *nlh, struct nlattr *start)
+EXPORT_SYMBOL void
+mnl_attr_nest_end(struct nlmsghdr *nlh, struct nlattr *start)
{
start->nla_len = mnl_nlmsg_get_payload_tail(nlh) - (void *)start;
}
diff --git a/src/callback.c b/src/callback.c
index 7bacb69..eaa5271 100644
--- a/src/callback.c
+++ b/src/callback.c
@@ -9,6 +9,7 @@
#include <errno.h>
#include <libmnl/libmnl.h>
+#include "internal.h"
static int mnl_cb_noop(const struct nlmsghdr *nlh, void *data)
{
@@ -74,9 +75,10 @@ static const mnl_cb_t default_cb_array[NLMSG_MIN_TYPE] = {
* is set to ESRCH. If the sequence number is not the expected, errno is set
* to EPROTO.
*/
-int mnl_cb_run2(const void *buf, size_t numbytes, unsigned int seq,
- unsigned int portid, mnl_cb_t cb_data, void *data,
- mnl_cb_t *cb_ctl_array, unsigned int cb_ctl_array_len)
+EXPORT_SYMBOL int
+mnl_cb_run2(const void *buf, size_t numbytes, unsigned int seq,
+ unsigned int portid, mnl_cb_t cb_data, void *data,
+ mnl_cb_t *cb_ctl_array, unsigned int cb_ctl_array_len)
{
int ret = MNL_CB_OK, len = numbytes;
const struct nlmsghdr *nlh = buf;
@@ -136,8 +138,9 @@ out:
*
* This function propagates the callback return value.
*/
-int mnl_cb_run(const void *buf, size_t numbytes, unsigned int seq,
- unsigned int portid, mnl_cb_t cb_data, void *data)
+EXPORT_SYMBOL int
+mnl_cb_run(const void *buf, size_t numbytes, unsigned int seq,
+ unsigned int portid, mnl_cb_t cb_data, void *data)
{
return mnl_cb_run2(buf, numbytes, seq, portid, cb_data, data, NULL, 0);
}
diff --git a/src/internal.h b/src/internal.h
new file mode 100644
index 0000000..ed8028f
--- /dev/null
+++ b/src/internal.h
@@ -0,0 +1,11 @@
+#ifndef INTERNAL_H
+#define INTERNAL_H 1
+
+#include "config.h"
+#ifdef HAVE_VISIBILITY_HIDDEN
+# define EXPORT_SYMBOL __attribute__((visibility("default")))
+#else
+# define EXPORT_SYMBOL
+#endif
+
+#endif \ No newline at end of file
diff --git a/src/nlmsg.c b/src/nlmsg.c
index e7179c4..a0dc416 100644
--- a/src/nlmsg.c
+++ b/src/nlmsg.c
@@ -12,6 +12,7 @@
#include <errno.h>
#include <string.h>
#include <libmnl/libmnl.h>
+#include "internal.h"
/**
* \defgroup nlmsg Netlink message helpers
@@ -49,7 +50,7 @@
* This function returns the size of a netlink message (header plus payload)
* without alignment.
*/
-size_t mnl_nlmsg_size(size_t len)
+EXPORT_SYMBOL size_t mnl_nlmsg_size(size_t len)
{
return len + MNL_NLMSG_HDRLEN;
}
@@ -73,7 +74,7 @@ size_t mnl_nlmsg_aligned_size(size_t len)
* This function returns the Length of the netlink payload, ie. the length
* of the full message minus the size of the Netlink header.
*/
-size_t mnl_nlmsg_get_payload_len(const struct nlmsghdr *nlh)
+EXPORT_SYMBOL size_t mnl_nlmsg_get_payload_len(const struct nlmsghdr *nlh)
{
return nlh->nlmsg_len - MNL_NLMSG_HDRLEN;
}
@@ -87,7 +88,7 @@ size_t mnl_nlmsg_get_payload_len(const struct nlmsghdr *nlh)
* initializes the nlmsg_len field to the size of the Netlink header. This
* function returns a pointer to the Netlink header structure.
*/
-struct nlmsghdr *mnl_nlmsg_put_header(void *buf)
+EXPORT_SYMBOL struct nlmsghdr *mnl_nlmsg_put_header(void *buf)
{
int len = MNL_ALIGN(sizeof(struct nlmsghdr));
struct nlmsghdr *nlh = buf;
@@ -108,7 +109,8 @@ struct nlmsghdr *mnl_nlmsg_put_header(void *buf)
* you call this function. This function returns a pointer to the extra
* header.
*/
-void *mnl_nlmsg_put_extra_header(struct nlmsghdr *nlh, size_t size)
+EXPORT_SYMBOL void *
+mnl_nlmsg_put_extra_header(struct nlmsghdr *nlh, size_t size)
{
char *ptr = (char *)nlh + nlh->nlmsg_len;
nlh->nlmsg_len += MNL_ALIGN(size);
@@ -122,7 +124,7 @@ void *mnl_nlmsg_put_extra_header(struct nlmsghdr *nlh, size_t size)
*
* This function returns a pointer to the payload of the netlink message.
*/
-void *mnl_nlmsg_get_payload(const struct nlmsghdr *nlh)
+EXPORT_SYMBOL void *mnl_nlmsg_get_payload(const struct nlmsghdr *nlh)
{
return (void *)nlh + MNL_NLMSG_HDRLEN;
}
@@ -135,7 +137,8 @@ void *mnl_nlmsg_get_payload(const struct nlmsghdr *nlh)
* This function returns a pointer to the payload of the netlink message plus
* a given offset.
*/
-void *mnl_nlmsg_get_payload_offset(const struct nlmsghdr *nlh, size_t offset)
+EXPORT_SYMBOL void *
+mnl_nlmsg_get_payload_offset(const struct nlmsghdr *nlh, size_t offset)
{
return (void *)nlh + MNL_NLMSG_HDRLEN + MNL_ALIGN(offset);
}
@@ -156,7 +159,7 @@ void *mnl_nlmsg_get_payload_offset(const struct nlmsghdr *nlh, size_t offset)
* The len parameter may become negative in malformed messages during message
* iteration, that is why we use a signed integer.
*/
-bool mnl_nlmsg_ok(const struct nlmsghdr *nlh, int len)
+EXPORT_SYMBOL bool mnl_nlmsg_ok(const struct nlmsghdr *nlh, int len)
{
return len >= (int)sizeof(struct nlmsghdr) &&
nlh->nlmsg_len >= sizeof(struct nlmsghdr) &&
@@ -176,7 +179,8 @@ bool mnl_nlmsg_ok(const struct nlmsghdr *nlh, int len)
* You have to use mnl_nlmsg_ok() to check if the next Netlink message is
* valid.
*/
-struct nlmsghdr *mnl_nlmsg_next(const struct nlmsghdr *nlh, int *len)
+EXPORT_SYMBOL struct nlmsghdr *
+mnl_nlmsg_next(const struct nlmsghdr *nlh, int *len)
{
*len -= MNL_ALIGN(nlh->nlmsg_len);
return (struct nlmsghdr *)((void *)nlh + MNL_ALIGN(nlh->nlmsg_len));
@@ -190,7 +194,7 @@ struct nlmsghdr *mnl_nlmsg_next(const struct nlmsghdr *nlh, int *len)
* to build a message since we continue adding attributes at the end of the
* message.
*/
-void *mnl_nlmsg_get_payload_tail(const struct nlmsghdr *nlh)
+EXPORT_SYMBOL void *mnl_nlmsg_get_payload_tail(const struct nlmsghdr *nlh)
{
return (void *)nlh + MNL_ALIGN(nlh->nlmsg_len);
}
@@ -209,7 +213,8 @@ void *mnl_nlmsg_get_payload_tail(const struct nlmsghdr *nlh)
* socket to send commands to kernel-space (that we want to track) and to
* listen to events (that we do not track).
*/
-bool mnl_nlmsg_seq_ok(const struct nlmsghdr *nlh, unsigned int seq)
+EXPORT_SYMBOL bool
+mnl_nlmsg_seq_ok(const struct nlmsghdr *nlh, unsigned int seq)
{
return nlh->nlmsg_seq && seq ? nlh->nlmsg_seq == seq : true;
}
@@ -228,7 +233,8 @@ bool mnl_nlmsg_seq_ok(const struct nlmsghdr *nlh, unsigned int seq)
* to kernel-space (that we want to track) and to listen to events (that we
* do not track).
*/
-bool mnl_nlmsg_portid_ok(const struct nlmsghdr *nlh, unsigned int portid)
+EXPORT_SYMBOL bool
+mnl_nlmsg_portid_ok(const struct nlmsghdr *nlh, unsigned int portid)
{
return nlh->nlmsg_pid && portid ? nlh->nlmsg_pid == portid : true;
}
@@ -362,8 +368,9 @@ mnl_nlmsg_fprintf_payload(FILE *fd, const struct nlmsghdr *nlh,
* - N, that indicates that NLA_F_NESTED is set.
* - B, that indicates that NLA_F_NET_BYTEORDER is set.
*/
-void mnl_nlmsg_fprintf(FILE *fd, const void *data,
- size_t datalen, size_t extra_header_size)
+EXPORT_SYMBOL void
+mnl_nlmsg_fprintf(FILE *fd, const void *data, size_t datalen,
+ size_t extra_header_size)
{
const struct nlmsghdr *nlh = data;
int len = datalen;
diff --git a/src/socket.c b/src/socket.c
index 521e860..58f635e 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -14,6 +14,7 @@
#include <unistd.h>
#include <time.h>
#include <errno.h>
+#include "internal.h"
/**
* \mainpage
@@ -81,7 +82,7 @@ struct mnl_socket {
*
* This function returns the file descriptor of a given netlink socket.
*/
-int mnl_socket_get_fd(const struct mnl_socket *nl)
+EXPORT_SYMBOL int mnl_socket_get_fd(const struct mnl_socket *nl)
{
return nl->fd;
}
@@ -95,7 +96,7 @@ int mnl_socket_get_fd(const struct mnl_socket *nl)
* which is not always true. This is the case if you open more than one
* socket that is binded to the same Netlink subsystem from the same process.
*/
-unsigned int mnl_socket_get_portid(const struct mnl_socket *nl)
+EXPORT_SYMBOL unsigned int mnl_socket_get_portid(const struct mnl_socket *nl)
{
return nl->addr.nl_pid;
}
@@ -107,7 +108,7 @@ unsigned int mnl_socket_get_portid(const struct mnl_socket *nl)
* On error, it returns -1 and errno is appropriately set. Otherwise, it
* returns a valid pointer to the mnl_socket structure.
*/
-struct mnl_socket *mnl_socket_open(int bus)
+EXPORT_SYMBOL struct mnl_socket *mnl_socket_open(int bus)
{
struct mnl_socket *nl;
@@ -134,7 +135,8 @@ struct mnl_socket *mnl_socket_open(int bus)
* success, 0 is returned. You can use MNL_SOCKET_AUTOPID which is 0 for
* automatic port ID selection.
*/
-int mnl_socket_bind(struct mnl_socket *nl, unsigned int groups, pid_t pid)
+EXPORT_SYMBOL int
+mnl_socket_bind(struct mnl_socket *nl, unsigned int groups, pid_t pid)
{
int ret;
socklen_t addr_len;
@@ -172,8 +174,8 @@ int mnl_socket_bind(struct mnl_socket *nl, unsigned int groups, pid_t pid)
* On error, it returns -1 and errno is appropriately set. Otherwise, it
* returns the number of bytes sent.
*/
-ssize_t mnl_socket_sendto(const struct mnl_socket *nl, const void *buf,
- size_t len)
+EXPORT_SYMBOL ssize_t
+mnl_socket_sendto(const struct mnl_socket *nl, const void *buf, size_t len)
{
static const struct sockaddr_nl snl = {
.nl_family = AF_NETLINK
@@ -196,8 +198,8 @@ ssize_t mnl_socket_sendto(const struct mnl_socket *nl, const void *buf,
* buffer size ensures that your buffer is big enough to store the netlink
* message without truncating it.
*/
-ssize_t mnl_socket_recvfrom(const struct mnl_socket *nl, void *buf,
- size_t bufsiz)
+EXPORT_SYMBOL ssize_t
+mnl_socket_recvfrom(const struct mnl_socket *nl, void *buf, size_t bufsiz)
{
ssize_t ret;
struct sockaddr_nl addr;
@@ -236,7 +238,7 @@ ssize_t mnl_socket_recvfrom(const struct mnl_socket *nl, void *buf,
* On error, this function returns -1 and errno is appropriately set.
* On success, it returns 0.
*/
-int mnl_socket_close(struct mnl_socket *nl)
+EXPORT_SYMBOL int mnl_socket_close(struct mnl_socket *nl)
{
int ret = close(nl->fd);
free(nl);
@@ -268,8 +270,8 @@ int mnl_socket_close(struct mnl_socket *nl)
*
* On error, this function returns -1 and errno is appropriately set.
*/
-int mnl_socket_setsockopt(const struct mnl_socket *nl, int type,
- void *buf, socklen_t len)
+EXPORT_SYMBOL int mnl_socket_setsockopt(const struct mnl_socket *nl, int type,
+ void *buf, socklen_t len)
{
return setsockopt(nl->fd, SOL_NETLINK, type, buf, len);
}
@@ -283,8 +285,8 @@ int mnl_socket_setsockopt(const struct mnl_socket *nl, int type,
*
* On error, this function returns -1 and errno is appropriately set.
*/
-int mnl_socket_getsockopt(const struct mnl_socket *nl, int type,
- void *buf, socklen_t *len)
+EXPORT_SYMBOL int mnl_socket_getsockopt(const struct mnl_socket *nl, int type,
+ void *buf, socklen_t *len)
{
return getsockopt(nl->fd, SOL_NETLINK, type, buf, len);
}