| /* Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 "apr_file_io.h" |
| #include "apr_strings.h" |
| #include "apr_lib.h" |
| |
| #if APR_HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| |
| struct apr_file_printf_data { |
| apr_vformatter_buff_t vbuff; |
| apr_file_t *fptr; |
| char *buf; |
| }; |
| |
| static int file_printf_flush(apr_vformatter_buff_t *buff) |
| { |
| struct apr_file_printf_data *data = (struct apr_file_printf_data *)buff; |
| |
| if (apr_file_write_full(data->fptr, data->buf, |
| data->vbuff.curpos - data->buf, NULL)) { |
| return -1; |
| } |
| |
| data->vbuff.curpos = data->buf; |
| return 0; |
| } |
| |
| APR_DECLARE_NONSTD(int) apr_file_printf(apr_file_t *fptr, |
| const char *format, ...) |
| { |
| struct apr_file_printf_data data; |
| va_list ap; |
| int count; |
| |
| /* don't really need a HUGE_STRING_LEN anymore */ |
| data.buf = malloc(HUGE_STRING_LEN); |
| if (data.buf == NULL) { |
| return -1; |
| } |
| data.vbuff.curpos = data.buf; |
| data.vbuff.endpos = data.buf + HUGE_STRING_LEN; |
| data.fptr = fptr; |
| va_start(ap, format); |
| count = apr_vformatter(file_printf_flush, |
| (apr_vformatter_buff_t *)&data, format, ap); |
| /* apr_vformatter does not call flush for the last bits */ |
| if (count >= 0) file_printf_flush((apr_vformatter_buff_t *)&data); |
| |
| va_end(ap); |
| |
| free(data.buf); |
| |
| return count; |
| } |