[taler-exchange] branch master updated: CSE elimination, fix #6218

[gnunet]

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grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new 8b99abbe CSE elimination, fix #6218
8b99abbe is described below

commit 8b99abbe62464d336fa8e5ab662aaf4bc1c72b2e
Author: Christian Grothoff <address@hidden>
AuthorDate: Thu Apr 23 15:26:17 2020 +0200

    CSE elimination, fix #6218
---
 src/util/url.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/util/url.c b/src/util/url.c
index 934bb058..f2298c0f 100644
--- a/src/util/url.c
+++ b/src/util/url.c
@@ -84,8 +84,12 @@ static void
 buffer_write_urlencode (struct GNUNET_Buffer *buf,
                         const char *s)
 {
+  size_t ulen;
+
+  ulen = urlencode_len (s);
+  GNUNET_assert (ulen < ulen + 1);
   GNUNET_buffer_ensure_remaining (buf,
-                                  urlencode_len (s) + 1);
+                                  ulen + 1);
   for (size_t i = 0; i < strlen (s); i++)
   {
     if (GNUNET_YES == is_reserved (s[i]))
@@ -139,6 +143,8 @@ calculate_argument_length (va_list args)
   {
     char *key;
     char *value;
+    size_t vlen;
+    size_t klen;
 
     key = va_arg (ap,
                   char *);
@@ -148,10 +154,12 @@ calculate_argument_length (va_list args)
                     char *);
     if (NULL == value)
       continue;
-    GNUNET_assert ( (len <= len + urlencode_len (value)) &&
-                    (len <= len + urlencode_len (value) + strlen (key)) &&
-                    (len < len + urlencode_len (value) + strlen (key) + 2) );
-    len += urlencode_len (value) + strlen (key) + 2;
+    vlen = urlencode_len (value);
+    klen = strlen (key);
+    GNUNET_assert ( (len <= len + vlen) &&
+                    (len <= len + vlen + klen) &&
+                    (len < len + vlen + klen + 2) );
+    len += vlen + klen + 2;
   }
   va_end (ap);
   return len;

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