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layer23: Avoid mempcy with NULL src 

Fixes following ASan warning:
git/osmocom-bb/src/host/layer23/src/misc/../common/main.c:146:2: runtime error: null pointer passed as argument 2, which is declared to never be null

The warning however is harmless since in that case, app_len = 0 and thus
size to copy is 0.

Change-Id: I009a5b53f1e5be72ce347d64d3a7cb1d95d37ea3
This commit is contained in:
Pau Espin 2018-11-05 20:37:09 +01:00
parent 4f85fb30bc
commit 927d030ae8
1 changed files with 2 additions and 1 deletions
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3
src/host/layer23/src/common/main.c
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@ -143,7 +143,8 @@ static void build_config(char **opt, struct option **option)
*option = talloc_zero_array(l23_ctx, struct option, len + app_len + 1);
memcpy(*option, long_options, sizeof(long_options));
memcpy(*option + len, app_opp, app_len * sizeof(struct option));
if (app_opp)
memcpy(*option + len, app_opp, app_len * sizeof(struct option));
}
static void handle_options(int argc, char **argv)