s4:heimdal: import lorikeet-heimdal-200911122202 (commit 9291fd2d101f3eecec550178634f...

[samba.git] / source4 / heimdal / lib / wind / normalize.c

diff --git a/source4/heimdal/lib/wind/normalize.c b/source4/heimdal/lib/wind/normalize.c
index 4c70a52932bc2a568541bb25b0a867e509904b4e..102c577e66455c993c5753024e4c24faadd2e4e2 100644 (file)
--- a/source4/heimdal/lib/wind/normalize.c
+++ b/source4/heimdal/lib/wind/normalize.c
@@ -39,6 +39,9 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <stdio.h>
+
+#include "roken.h"
 
 #include "normalize_table.h"
 
@@ -173,7 +176,7 @@ cc_cmp(const void *a, const void *b)
 static void
 canonical_reorder(uint32_t *tmp, size_t tmp_len)
 {
-    unsigned i;
+    size_t i;
 
     for (i = 0; i < tmp_len; ++i) {
        int cc = _wind_combining_class(tmp[i]);
@@ -183,8 +186,7 @@ canonical_reorder(uint32_t *tmp, size_t tmp_len)
                 j < tmp_len && _wind_combining_class(tmp[j]);
                 ++j)
                ;
-           qsort(&tmp[i], j - i, sizeof(unsigned),
-                 cc_cmp);
+           qsort(&tmp[i], j - i, sizeof(tmp[0]), cc_cmp);
            i = j;
        }
     }
@@ -280,6 +282,11 @@ _wind_stringprep_normalize(const uint32_t *in, size_t in_len,
     uint32_t *tmp;
     int ret;
 
+    if (in_len == 0) {
+       *out_len = 0;
+       return 0;
+    }
+
     tmp_len = in_len * 4;
     if (tmp_len < MAX_LENGTH_CANON)
        tmp_len = MAX_LENGTH_CANON;