Constify getenv(), setenv() and hash code functions
This is needed to get rid of build warnings like
main.c:311: warning: passing argument 2 of 'setenv' discards qualifiers from pointer target type
which result from commit 09c2e90 "unify version_string".
Signed-off-by: Wolfgang Denk <wd@denx.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/lib/hashtable.c b/lib/hashtable.c
index 19d5b15..026dbca 100644
--- a/lib/hashtable.c
+++ b/lib/hashtable.c
@@ -155,7 +155,7 @@
if (htab->table[i].used > 0) {
ENTRY *ep = &htab->table[i].entry;
- free(ep->key);
+ free((void *)ep->key);
free(ep->data);
}
}
@@ -416,7 +416,7 @@
/* free used ENTRY */
debug("hdelete: DELETING key \"%s\"\n", key);
- free(ep->key);
+ free((void *)ep->key);
free(ep->data);
htab->table[idx].used = -1;
@@ -564,7 +564,7 @@
* export sorted list of result data
*/
for (i = 0, p = res; i < n; ++i) {
- char *s;
+ const char *s;
s = list[i]->key;
while (*s)
