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-rw-r--r--utility.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/utility.c b/utility.c
index f3c184e73..368dfc5fe 100644
--- a/utility.c
+++ b/utility.c
@@ -1377,6 +1377,14 @@ extern char * xstrndup (const char *s, int n) {
}
#endif
+#if defined BB_IFCONFIG || defined BB_ROUTE
+/* Like strncpy but make sure the resulting string is always 0 terminated. */
+extern char * safe_strncpy(char *dst, const char *src, size_t size)
+{
+ dst[size-1] = '\0';
+ return strncpy(dst, src, size-1);
+}
+#endif
#if (__GLIBC__ < 2) && (defined BB_SYSLOGD || defined BB_INIT)
extern int vdprintf(int d, const char *format, va_list ap)