fixeria has uploaded this change for review.

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{gsm,vty}: suppress warnings about [total_]len being set but not used

This commit fixes the following warnings seen with CC=clang:

utils.c:376:6: warning: variable 'len' set but not used [-Wunused-but-set-variable]
        int len = 0, offset = 0, ret, rem;

gsm0808_utils.c:2094:6: warning: variable 'total_len' set but not used [-Wunused-but-set-variable]
        int total_len = 0;

... and finally allows to build libosmocore with --enable-werror.

Change-Id: I0040ef20ba3fc53ee7ccefc4885170f333f80566
---
M src/gsm/gsm0808_utils.c
M src/vty/utils.c
2 files changed, 21 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/libosmocore refs/changes/73/35473/1

diff --git a/src/gsm/gsm0808_utils.c b/src/gsm/gsm0808_utils.c
index 778630d..0d6d5ad 100644
--- a/src/gsm/gsm0808_utils.c
+++ b/src/gsm/gsm0808_utils.c
@@ -2094,6 +2094,7 @@
 	int total_len = 0;
 	APPEND_STR("%s:", gsm0808_cell_id_discr_name(cid->id_discr));
 	APPEND_CELL_ID_U(cid->id_discr, &cid->id);
+	(void)total_len; /* suppress warnings about total_len being set but not used */
 	return buf;
 }
 
diff --git a/src/vty/utils.c b/src/vty/utils.c
index a651515..0f5a34e 100644
--- a/src/vty/utils.c
+++ b/src/vty/utils.c
@@ -415,6 +415,7 @@
 	if (ret < 0)
 		goto err;
 	OSMO_SNPRINTF_RET(ret, rem, offset, len);
+	(void)len; /* suppress warnings about len being set but not used */
 err:
 	str[size-1] = '\0';
 	return str;

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