1251875Speter/* Licensed to the Apache Software Foundation (ASF) under one or more 2251875Speter * contributor license agreements. See the NOTICE file distributed with 3251875Speter * this work for additional information regarding copyright ownership. 4251875Speter * The ASF licenses this file to You under the Apache License, Version 2.0 5251875Speter * (the "License"); you may not use this file except in compliance with 6251875Speter * the License. You may obtain a copy of the License at 7251875Speter * 8251875Speter * http://www.apache.org/licenses/LICENSE-2.0 9251875Speter * 10251875Speter * Unless required by applicable law or agreed to in writing, software 11251875Speter * distributed under the License is distributed on an "AS IS" BASIS, 12251875Speter * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13251875Speter * See the License for the specific language governing permissions and 14251875Speter * limitations under the License. 15251875Speter */ 16251875Speter 17251875Speter#include "apr_file_io.h" 18251875Speter 19251875Speter 20251875SpeterAPR_DECLARE(apr_status_t) apr_file_read_full(apr_file_t *thefile, void *buf, 21251875Speter apr_size_t nbytes, 22251875Speter apr_size_t *bytes_read) 23251875Speter{ 24251875Speter apr_status_t status; 25251875Speter apr_size_t total_read = 0; 26251875Speter 27251875Speter do { 28251875Speter apr_size_t amt = nbytes; 29251875Speter 30251875Speter status = apr_file_read(thefile, buf, &amt); 31251875Speter buf = (char *)buf + amt; 32251875Speter nbytes -= amt; 33251875Speter total_read += amt; 34251875Speter } while (status == APR_SUCCESS && nbytes > 0); 35251875Speter 36251875Speter if (bytes_read != NULL) 37251875Speter *bytes_read = total_read; 38251875Speter 39251875Speter return status; 40251875Speter} 41251875Speter 42251875SpeterAPR_DECLARE(apr_status_t) apr_file_write_full(apr_file_t *thefile, 43251875Speter const void *buf, 44251875Speter apr_size_t nbytes, 45251875Speter apr_size_t *bytes_written) 46251875Speter{ 47251875Speter apr_status_t status; 48251875Speter apr_size_t total_written = 0; 49251875Speter 50251875Speter do { 51251875Speter apr_size_t amt = nbytes; 52251875Speter 53251875Speter status = apr_file_write(thefile, buf, &amt); 54251875Speter buf = (char *)buf + amt; 55251875Speter nbytes -= amt; 56251875Speter total_written += amt; 57251875Speter } while (status == APR_SUCCESS && nbytes > 0); 58251875Speter 59251875Speter if (bytes_written != NULL) 60251875Speter *bytes_written = total_written; 61251875Speter 62251875Speter return status; 63251875Speter} 64251875Speter 65251875SpeterAPR_DECLARE(apr_status_t) apr_file_writev_full(apr_file_t *thefile, 66251875Speter const struct iovec *vec, 67251875Speter apr_size_t nvec, 68251875Speter apr_size_t *bytes_written) 69251875Speter{ 70251875Speter apr_status_t rv = APR_SUCCESS; 71251875Speter apr_size_t i; 72251875Speter apr_size_t amt = 0; 73251875Speter apr_size_t total = 0; 74251875Speter 75251875Speter for (i = 0; i < nvec; i++) { 76251875Speter total += vec[i].iov_len; 77251875Speter } 78251875Speter 79251875Speter rv = apr_file_writev(thefile, vec, nvec, &amt); 80251875Speter 81251875Speter if (bytes_written != NULL) 82251875Speter *bytes_written = amt; 83251875Speter 84251875Speter if (rv != APR_SUCCESS || (amt == total)) { 85251875Speter return rv; 86251875Speter } 87251875Speter 88251875Speter for (i = 0; i < nvec && amt; i++) { 89251875Speter if (amt >= vec[i].iov_len) { 90251875Speter amt -= vec[i].iov_len; 91251875Speter } 92251875Speter else { 93251875Speter break; 94251875Speter } 95251875Speter } 96251875Speter 97251875Speter if (amt) { 98251875Speter rv = apr_file_write_full(thefile, (const char *)vec[i].iov_base + amt, 99251875Speter vec[i].iov_len - amt, NULL); 100251875Speter } 101251875Speter 102251875Speter for (; i < nvec && rv == APR_SUCCESS; i++) { 103251875Speter rv = apr_file_write_full(thefile, vec[i].iov_base, 104251875Speter vec[i].iov_len, &amt); 105251875Speter } 106251875Speter 107251875Speter if (bytes_written != NULL) 108251875Speter *bytes_written = total; 109251875Speter 110251875Speter return rv; 111251875Speter} 112