[PATCH] osmo-pcu[master]: TBF: override send function via linker option

[Max]

Review at  https://gerrit.osmocom.org/6077

TBF: override send function via linker option

Use --wrap linker facility to override pcu_sock_send() similar to other
Osmo* projects.

Change-Id: Ia3d436bd3d1fb0ce8e98526bd7457f4c57667ceb
---
M tests/Makefile.am
M tests/tbf/TbfTest.cpp
2 files changed, 4 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-pcu refs/changes/77/6077/1

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 1595a07..e82647f 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -33,6 +33,7 @@
 	$(LIBOSMOGSM_LIBS) \
 	$(LIBOSMOCORE_LIBS) \
 	$(COMMON_LA)
+tbf_TbfTest_LDFLAGS = -Wl,--wrap=pcu_sock_send
 
 bitcomp_BitcompTest_SOURCES = bitcomp/BitcompTest.cpp ../src/egprs_rlc_compression.cpp
 bitcomp_BitcompTest_LDADD = \
diff --git a/tests/tbf/TbfTest.cpp b/tests/tbf/TbfTest.cpp
index 46863e3..aa1d7ac 100644
--- a/tests/tbf/TbfTest.cpp
+++ b/tests/tbf/TbfTest.cpp
@@ -137,7 +137,9 @@
 
 static uint8_t llc_data[200];
 
-int pcu_sock_send(struct msgb *msg)
+/* override, requires '-Wl,--wrap=pcu_sock_send' */
+int __real_pcu_sock_send(struct msgb *msg);
+int __wrap_pcu_sock_send(struct msgb *msg)
 {
 	return 0;
 }

-- 
To view, visit https://gerrit.osmocom.org/6077
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Ia3d436bd3d1fb0ce8e98526bd7457f4c57667ceb
Gerrit-PatchSet: 1
Gerrit-Project: osmo-pcu
Gerrit-Branch: master
Gerrit-Owner: Max <msuraev at sysmocom.de>