siphash.h: Add const qualifiers

diff --git a/expat/lib/siphash.h b/expat/lib/siphash.h
index 1b930c3a2fcab8aca6b2a93611d2e415a479fe1e..c21a02b292a24e0ee9a2173bc2f0e39ab2e42e8b 100644 (file)
--- a/expat/lib/siphash.h
+++ b/expat/lib/siphash.h
@@ -11,6 +11,9 @@
  * --------------------------------------------------------------------------
  * HISTORY:
  *
+ * 2017-07-05  (Sebastian Pipping)
+ *   - Add const qualifiers at two places
+ *
  * 2017-06-23  (Victor Stinner)
  *   - Address Win64 compile warnings
  *
@@ -209,7 +212,7 @@ static struct siphash *sip24_update(struct siphash *H, const void *src, size_t l
 
 
 static uint64_t sip24_final(struct siphash *H) {
-       char left = (char)(H->p - H->buf);
+       const char left = (char)(H->p - H->buf);
        uint64_t b = (H->c + left) << 56;
 
        switch (left) {
@@ -339,7 +342,7 @@ static int sip24_valid(void) {
 #include <stdio.h>
 
 int main(void) {
-       int ok = sip24_valid();
+       const int ok = sip24_valid();
 
        if (ok)
                puts("OK");