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/* 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;
}
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