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-rw-r--r--lib/log.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/log.c b/lib/log.c
index 375730f2..b24dacd8 100644
--- a/lib/log.c
+++ b/lib/log.c
@@ -498,3 +498,11 @@ mes_lookup (struct message *meslist, int max, int index)
}
return meslist[index].str;
}
+
+/* Wrapper around strerror to handle case where it returns NULL. */
+const char *
+safe_strerror(int errnum)
+{
+ const char *s = strerror(errnum);
+ return (s != NULL) ? s : "Unknown error";
+}