82ca4cf8ce
The flag "ready" indicates whether the input stream is ready and it has parsed all meta data. Previously, it was impossible for decodeStart() to see the content type of HTTP input streams, because at that time, the HTTP response wasn't parsed yet.
115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "inputStream_file.h"
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#include "log.h"
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#include "os_compat.h"
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void inputStream_initFile(void)
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{
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}
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int inputStream_fileOpen(InputStream * inStream, char *filename)
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{
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FILE *fp;
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fp = fopen(filename, "r");
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if (!fp) {
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inStream->error = errno;
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return -1;
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}
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inStream->seekable = 1;
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fseek(fp, 0, SEEK_END);
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inStream->size = ftell(fp);
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fseek(fp, 0, SEEK_SET);
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#ifdef POSIX_FADV_SEQUENTIAL
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posix_fadvise(fileno(fp), (off_t)0, inStream->size, POSIX_FADV_SEQUENTIAL);
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#endif
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inStream->data = fp;
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inStream->seekFunc = inputStream_fileSeek;
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inStream->closeFunc = inputStream_fileClose;
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inStream->readFunc = inputStream_fileRead;
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inStream->atEOFFunc = inputStream_fileAtEOF;
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inStream->bufferFunc = inputStream_fileBuffer;
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inStream->ready = 1;
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return 0;
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}
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int inputStream_fileSeek(InputStream * inStream, long offset, int whence)
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{
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if (fseek((FILE *) inStream->data, offset, whence) == 0) {
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inStream->offset = ftell((FILE *) inStream->data);
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} else {
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inStream->error = errno;
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return -1;
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}
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return 0;
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}
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size_t inputStream_fileRead(InputStream * inStream, void *ptr, size_t size,
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size_t nmemb)
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{
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size_t readSize;
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readSize = fread(ptr, size, nmemb, (FILE *) inStream->data);
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if (readSize <= 0 && ferror((FILE *) inStream->data)) {
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inStream->error = errno;
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DEBUG("inputStream_fileRead: error reading: %s\n",
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strerror(inStream->error));
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}
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inStream->offset = ftell((FILE *) inStream->data);
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return readSize;
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}
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int inputStream_fileClose(InputStream * inStream)
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{
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if (fclose((FILE *) inStream->data) < 0) {
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inStream->error = errno;
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return -1;
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}
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return 0;
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}
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int inputStream_fileAtEOF(InputStream * inStream)
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{
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if (feof((FILE *) inStream->data))
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return 1;
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if (ferror((FILE *) inStream->data) && inStream->error != EINTR) {
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return 1;
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}
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return 0;
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}
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int inputStream_fileBuffer(mpd_unused InputStream * inStream)
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{
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return 0;
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}
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