Add an assertion (n > 0) in strNcpy(), it may help to catch incorrect

	use of the function.

diff --git a/src/lib/misc.c b/src/lib/misc.c
index 93d83f0..50cb091 100644 (file)
--- a/src/lib/misc.c
+++ b/src/lib/misc.c
@@ -41,6 +41,7 @@ static const char rcsid[] =
 
 #include       "missing.h"
 #include       "libradius.h"
+#include       "rad_assert.h"
 
 int            librad_dodns = 0;
 int            librad_debug = 0;
@@ -186,6 +187,8 @@ char *strNcpy(char *dest, const char *src, int n)
 {
        char *p = dest;
 
+       rad_assert(n > 0);
+
        while ((n > 1) && (*src)) {
                *(p++) = *(src++);