[python,guile] Add comment beside conditions testing empty arrays.

gdb/ChangeLog:

        * guile/scm-type.c (tyscm_array_1): Add comment.
        * python/py-type.c (typy_array_1): Add comment.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8e3737dfc45bf4731761b622ba81b377611eb2b3..0b63d3417e33bb1aa6afe987d7edbee32beaa890 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2015-01-07  Joel Brobecker  <brobecker@adacore.com>
+
+       * guile/scm-type.c (tyscm_array_1): Add comment.
+       * python/py-type.c (typy_array_1): Add comment.
+
 2015-01-06  Joel Brobecker  <brobecker@adacore.com>
 
        * guile/scm-type.c (tyscm_array_1): Do not raise out-of-range

diff --git a/gdb/guile/scm-type.c b/gdb/guile/scm-type.c
index 4f46139241f8483dc509ebac533c7db0246a3045..196b4a13633253af8683ef4fa6c0fd391ce35a08 100644 (file)
--- a/gdb/guile/scm-type.c
+++ b/gdb/guile/scm-type.c
@@ -713,7 +713,7 @@ tyscm_array_1 (SCM self, SCM n1_scm, SCM n2_scm, int is_vector,
       n1 = 0;
     }
 
-  if (n2 < n1 - 1)
+  if (n2 < n1 - 1) /* Note: An empty array has n2 == n1 - 1.  */
     {
       gdbscm_out_of_range_error (func_name, SCM_ARG3,
                                 scm_cons (scm_from_long (n1),

diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c
index 8e82c99f2e213147f6819c5784ab540e1f7ae874..bf923639a88a4b4227185900afb8ef215dd46892 100644 (file)
--- a/gdb/python/py-type.c
+++ b/gdb/python/py-type.c
@@ -528,7 +528,7 @@ typy_array_1 (PyObject *self, PyObject *args, int is_vector)
       n1 = 0;
     }
 
-  if (n2 < n1 - 1)
+  if (n2 < n1 - 1) /* Note: An empty array has n2 == n1 - 1.  */
     {
       PyErr_SetString (PyExc_ValueError,
                       _("Array length must not be negative"));