abis_nm: Fix non-null terminated buffer
Unrealistic case (filename of 4096 bytes)
Change-Id: Icf7b835f9edaf66976556fce1e9e0f66aa2010bc
Fixes: Coverity CID 57620
diff --git a/openbsc/src/libbsc/abis_nm.c b/openbsc/src/libbsc/abis_nm.c
index fb6a957..c9b2aac 100644
--- a/openbsc/src/libbsc/abis_nm.c
+++ b/openbsc/src/libbsc/abis_nm.c
@@ -2234,6 +2234,7 @@
/* construct new filename */
strncpy(dir, bs11_sw->swl_fname, sizeof(dir));
+ dir[sizeof(dir)-1] = '\0';
strncat(fle->fname, dirname(dir), sizeof(fle->fname) - 1);
strcat(fle->fname, "/");
strncat(fle->fname, file_id, sizeof(fle->fname) - 1 -strlen(fle->fname));