+++ /dev/null
-/*
- *
- * Copyright 2019 AT&T Intellectual Property
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-
-#include <asn_internal.h>
-
-ssize_t
-asn__format_to_callback(int (*cb)(const void *, size_t, void *key), void *key,
- const char *fmt, ...) {
- char scratch[64];
- char *buf = scratch;
- size_t buf_size = sizeof(scratch);
- int wrote;
- int cb_ret;
-
- do {
- va_list args;
- va_start(args, fmt);
-
- wrote = vsnprintf(buf, buf_size, fmt, args);
- if(wrote < (ssize_t)buf_size) {
- if(wrote < 0) {
- if(buf != scratch) FREEMEM(buf);
- va_end(args);
- return -1;
- }
- break;
- }
-
- buf_size <<= 1;
- if(buf == scratch) {
- buf = MALLOC(buf_size);
- if(!buf) return -1;
- } else {
- void *p = REALLOC(buf, buf_size);
- if(!p) {
- FREEMEM(buf);
- return -1;
- }
- buf = p;
- }
- } while(1);
-
- cb_ret = cb(buf, wrote, key);
- if(buf != scratch) FREEMEM(buf);
- if(cb_ret < 0) {
- return -1;
- }
-
- return wrote;
-}
-