diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 4 | ||||
| -rw-r--r-- | src/attr.c | 71 | ||||
| -rw-r--r-- | src/callback.c | 13 | ||||
| -rw-r--r-- | src/internal.h | 11 | ||||
| -rw-r--r-- | src/nlmsg.c | 33 | ||||
| -rw-r--r-- | src/socket.c | 28 |
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 @@ -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); } |