backport r1125877 from trunk

Fix various "variable 'x' set but not used" warnings.

Submitted By: sf
Reviewed By: ylavic, wrowe, covener

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1777403 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/aaa/mod_auth_digest.c b/modules/aaa/mod_auth_digest.c
index 0638b0f69811066e0cdcf435b07d874583d88451..4d088c3d70e4de43d795f7f8db6fb81d263930fc 100644 (file)
--- a/modules/aaa/mod_auth_digest.c
+++ b/modules/aaa/mod_auth_digest.c
@@ -1050,7 +1050,6 @@ static const char *gen_nonce(apr_pool_t *p, apr_time_t now, const char *opaque,
                              const digest_config_rec *conf)
 {
     char *nonce = apr_palloc(p, NONCE_LEN+1);
-    int len;
     time_rec t;
 
     if (conf->nonce_lifetime != 0) {
@@ -1066,7 +1065,7 @@ static const char *gen_nonce(apr_pool_t *p, apr_time_t now, const char *opaque,
         /* XXX: WHAT IS THIS CONSTANT? */
         t.time = 42;
     }
-    len = apr_base64_encode_binary(nonce, t.arr, sizeof(t.arr));
+    apr_base64_encode_binary(nonce, t.arr, sizeof(t.arr));
     gen_nonce_hash(nonce+NONCE_TIME_LEN, nonce, opaque, server, conf);
 
     return nonce;
@@ -1411,7 +1410,6 @@ static int check_nonce(request_rec *r, digest_header_rec *resp,
                        const digest_config_rec *conf)
 {
     apr_time_t dt;
-    int len;
     time_rec nonce_time;
     char tmp, hash[NONCE_HASH_LEN+1];
 
@@ -1425,7 +1423,7 @@ static int check_nonce(request_rec *r, digest_header_rec *resp,
 
     tmp = resp->nonce[NONCE_TIME_LEN];
     resp->nonce[NONCE_TIME_LEN] = '\0';
-    len = apr_base64_decode_binary(nonce_time.arr, resp->nonce);
+    apr_base64_decode_binary(nonce_time.arr, resp->nonce);
     gen_nonce_hash(hash, resp->nonce, resp->opaque, r->server, conf);
     resp->nonce[NONCE_TIME_LEN] = tmp;
     resp->nonce_time = nonce_time.time;

diff --git a/modules/dav/fs/dbm.c b/modules/dav/fs/dbm.c
index ec421056ce6098b6e8a1ddb62f21794f0e2d1c7d..492d0f692241f685c4e8b7d175a357d8a4f5c4d7 100644 (file)
--- a/modules/dav/fs/dbm.c
+++ b/modules/dav/fs/dbm.c
@@ -485,7 +485,6 @@ static void dav_propdb_close(dav_db *db)
         dav_propdb_metadata m;
         apr_datum_t key;
         apr_datum_t value;
-        dav_error *err;
 
         key.dptr = DAV_GDBM_NS_KEY;
         key.dsize = DAV_GDBM_NS_KEY_LEN;
@@ -500,8 +499,8 @@ static void dav_propdb_close(dav_db *db)
 
         memcpy(db->ns_table.buf, &m, sizeof(m));
 
-        err = dav_dbm_store(db, key, value);
         /* ### what to do with the error? */
+        dav_dbm_store(db, key, value);
     }
 
     dav_dbm_close(db);

diff --git a/modules/filters/mod_include.c b/modules/filters/mod_include.c
index 59ce8e3ef7a3e0e2a9cfbb78ed0de0f4e40c58c6..13466472bc8fa225ef5b20ce71684009a110cf48 100644 (file)
--- a/modules/filters/mod_include.c
+++ b/modules/filters/mod_include.c
@@ -1127,7 +1127,6 @@ static int parse_expr(include_ctx_t *ctx, const char *expr, int *was_error)
     request_rec *rr = NULL;
     const char *error = "Invalid expression \"%s\" in file %s";
     const char *parse = expr;
-    int was_unmatched = 0;
     unsigned regex = 0;
 
     *was_error = 0;
@@ -1144,14 +1143,18 @@ static int parse_expr(include_ctx_t *ctx, const char *expr, int *was_error)
          */
         CREATE_NODE(ctx, new);
 
-        was_unmatched = get_ptoken(ctx, &parse, &new->token,
-                         (current != NULL ? &current->token : NULL));
-        if (!parse) {
-            break;
-        }
+        {
+#ifdef DEBUG_INCLUDE
+            int was_unmatched =
+#endif
+            get_ptoken(ctx, &parse, &new->token,
+                       (current != NULL ? &current->token : NULL));
+            if (!parse)
+                break;
 
-        DEBUG_DUMP_UNMATCHED(ctx, was_unmatched);
-        DEBUG_DUMP_TOKEN(ctx, &new->token);
+            DEBUG_DUMP_UNMATCHED(ctx, was_unmatched);
+            DEBUG_DUMP_TOKEN(ctx, &new->token);
+        }
 
         if (!current) {
             switch (new->token.type) {

diff --git a/modules/loggers/mod_log_config.c b/modules/loggers/mod_log_config.c
index acfdcccd7ff329b1157f7fe8bb1752a86f192df9..c9fc6c624e7dcfe37c063184bb6064e3367d9dab 100644 (file)
--- a/modules/loggers/mod_log_config.c
+++ b/modules/loggers/mod_log_config.c
@@ -1150,12 +1150,14 @@ static int config_log_transaction(request_rec *r, config_log_state *cls,
         len += strl[i] = strlen(strs[i]);
     }
     if (!log_writer) {
-        ap_log_rerror(APLOG_MARK, APLOG_ERR, APR_EGENERAL, r,
+        ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
                 "log writer isn't correctly setup");
          return HTTP_INTERNAL_SERVER_ERROR;
     }
     rv = log_writer(r, cls->log_writer, strs, strl, format->nelts, len);
-    /* xxx: do we return an error on log_writer? */
+    if (rv != APR_SUCCESS)
+        ap_log_rerror(APLOG_MARK, APLOG_WARNING, rv, r, "Error writing to %s",
+                      cls->fname);
     return OK;
 }