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Harald Welte gerrit-no-reply at lists.osmocom.orgReview at https://gerrit.osmocom.org/2196 xua_msg: Add xua_msg_free_tag() and xua_msg_copy_part() ... also, mark input to xua_msg_find_tag as 'const' pointer. Change-Id: I083634db9c3606bcff87700f253054a38a20816d --- M include/osmocom/sigtran/xua_msg.h M src/xua_msg.c 2 files changed, 31 insertions(+), 2 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmo-sccp refs/changes/96/2196/1 diff --git a/include/osmocom/sigtran/xua_msg.h b/include/osmocom/sigtran/xua_msg.h index 2a6e3ae..23f92c5 100644 --- a/include/osmocom/sigtran/xua_msg.h +++ b/include/osmocom/sigtran/xua_msg.h @@ -50,7 +50,10 @@ int xua_msg_add_data(struct xua_msg *msg, uint16_t tag, uint16_t len, uint8_t *dat); -struct xua_msg_part *xua_msg_find_tag(struct xua_msg *msg, uint16_t tag); +struct xua_msg_part *xua_msg_find_tag(const struct xua_msg *msg, uint16_t tag); +int xua_msg_free_tag(struct xua_msg *xua, uint16_t tag); +int xua_msg_copy_part(struct xua_msg *xua_out, uint16_t tag_out, + const struct xua_msg *xua_in, uint16_t tag_in); struct xua_msg *xua_from_msg(const int version, uint16_t len, uint8_t *data); struct msgb *xua_to_msg(const int version, struct xua_msg *msg); diff --git a/src/xua_msg.c b/src/xua_msg.c index 4a3e013..98c1832 100644 --- a/src/xua_msg.c +++ b/src/xua_msg.c @@ -77,7 +77,7 @@ return 0; } -struct xua_msg_part *xua_msg_find_tag(struct xua_msg *xua, uint16_t tag) +struct xua_msg_part *xua_msg_find_tag(const struct xua_msg *xua, uint16_t tag) { struct xua_msg_part *part; @@ -88,6 +88,32 @@ return NULL; } +int xua_msg_free_tag(struct xua_msg *xua, uint16_t tag) +{ + struct xua_msg_part *part; + + llist_for_each_entry(part, &xua->headers, entry) { + if (part->tag == tag) { + llist_del(&part->entry); + talloc_free(part); + return 1; + } + } + return 0; +} + +int xua_msg_copy_part(struct xua_msg *xua_out, uint16_t tag_out, + const struct xua_msg *xua_in, uint16_t tag_in) +{ + const struct xua_msg_part *part; + + part = xua_msg_find_tag(xua_in, tag_in); + if (!part) + return -1; + + return xua_msg_add_data(xua_out, tag_out, part->len, part->dat); +} + struct xua_msg *xua_from_msg(const int version, uint16_t len, uint8_t *data) { struct xua_parameter_hdr *par; -- To view, visit https://gerrit.osmocom.org/2196 To unsubscribe, visit https://gerrit.osmocom.org/settings Gerrit-MessageType: newchange Gerrit-Change-Id: I083634db9c3606bcff87700f253054a38a20816d Gerrit-PatchSet: 1 Gerrit-Project: libosmo-sccp Gerrit-Branch: master Gerrit-Owner: Harald Welte <laforge at gnumonks.org>