Add const attributes to fix gcc -Wwrite-strings warnings

Does not fix all of them since some lists contain constant strings and
some contain dynamically allocated strings that need to be freed later.

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/hash.c b/hash.c
index 313d5b6..94ef2ac 100644
--- a/hash.c
+++ b/hash.c
@@ -31,7 +31,7 @@
 #define NUMBUCKETS (1 << LOG2_NUMBUCKETS)
 
 static unsigned
-hash(char *string)
+hash(const char *string)
 {
     int i;
     unsigned u = 0;
@@ -41,7 +41,7 @@ hash(char *string)
 }
 
 static void
-strcpy_lwr(char *dst, char *src)
+strcpy_lwr(char *dst, const char *src)
 {
     while(1) {
         *dst = tolower(*src);
@@ -77,7 +77,7 @@ destroyHashTable(HashTablePtr table)
 }
 
 char *
-getHash(HashTablePtr table, char *key)
+getHash(HashTablePtr table, const char *key)
 {
     int i = hash(key);
     HashBucketPtr bp;