Commit: fc3fc949ffe7e4ee706c50b585c23b6635da7af9
Author: Bastien Montagne
Date:   Tue Jun 17 14:59:37 2014 +0200
https://developer.blender.org/rBfc3fc949ffe7e4ee706c50b585c23b6635da7af9

Revert to static size for our buffers.

64 should be more than enough, never could get strings longer than ~21 chars so 
far.

===================================================================

M       source/blender/python/intern/bpy_utils_units.c

===================================================================

diff --git a/source/blender/python/intern/bpy_utils_units.c 
b/source/blender/python/intern/bpy_utils_units.c
index c8d728f..95fdaa6 100644
--- a/source/blender/python/intern/bpy_utils_units.c
+++ b/source/blender/python/intern/bpy_utils_units.c
@@ -274,16 +274,15 @@ static PyObject *bpyunits_to_string(PyObject 
*UNUSED(self), PyObject *args, PyOb
                 * - number itself: precision + decimal dot + up to four 'above 
dot' digits.
                 * - unit: up to ten chars (six currently, let's be 
conservative, also because we use some utf8 chars).
                 * This can be repeated twice (e.g. 1m20cm), and we add ten 
more spare chars (spaces, trailing '\0'...).
+                * So in practice, 64 should be more than enough.
                 */
-               const size_t buflen = (precision + 5 + 10) * 2 + 10;
-               char *buf1 = MEM_mallocN(sizeof(char) * buflen, __func__), 
*buf2 = NULL, *str;
+               char buf1[64], buf2[64], *str;
                PyObject *result;
 
-               bUnit_AsString(buf1, buflen, value, precision, usys, ucat, 
(bool)split_unit, false);
+               bUnit_AsString(buf1, sizeof(buf1), value, precision, usys, 
ucat, (bool)split_unit, false);
 
                if (compatible_unit) {
-                       buf2 = MEM_mallocN(sizeof(char) * buflen, __func__);
-                       bUnit_ToUnitAltName(buf2, buflen, buf1, usys, ucat);
+                       bUnit_ToUnitAltName(buf2, sizeof(buf2), buf1, usys, 
ucat);
                        str = buf2;
                }
                else {
@@ -291,13 +290,10 @@ static PyObject *bpyunits_to_string(PyObject 
*UNUSED(self), PyObject *args, PyOb
                }
 
                /* Just for test, to remove before final commit! */
-               printf("%d for %d used...\n", (int)buflen, (int)strlen(str));
+               printf("%d for %d used...\n", (int)sizeof(buf1), 
(int)strlen(str));
 
                result = PyUnicode_FromString(str);
 
-               MEM_SAFE_FREE(buf1);
-               MEM_SAFE_FREE(buf2);
-
                return result;
        }
 }

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