Feature: Added igloo_stdio_new_file()

Makefile.am

@@ -22,6 +22,7 @@ pkginclude_HEADERS = \
     include/igloo/typedef.h \
     include/igloo/interface.h \
     include/igloo/io.h \
+    include/igloo/stdio.h \
     include/igloo/buffer.h \
     include/igloo/list.h \
     include/igloo/reportxml.h
@@ -31,6 +32,7 @@ libigloo_la_SOURCES = \
     src/interface.c \
     src/ro.c \
     src/io.c \
+    src/stdio.c \
     src/buffer.c \
     src/list.c \
     src/reportxml.c

include/igloo/stdio.h

@@ -0,0 +1,40 @@
+/* Copyright (C) 2019       Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ */
+
+#ifndef _LIBIGLOO__STDIO_H_
+#define _LIBIGLOO__STDIO_H_
+/**
+ * @file
+ * Put a good description of this file here
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Put stuff here */
+
+#include "io.h"
+
+igloo_io_t * igloo_stdio_new_file(const char *filename, const char *mode, const char *name, igloo_ro_t associated);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ! _LIBIGLOO__STDIO_H_ */

src/stdio.c

@@ -0,0 +1,76 @@
+/* Icecast
+ *
+ * This program is distributed under the GNU General Public License, version 2.
+ * A copy of this license is included with this source.
+ *
+ * Copyright 2019,      Philipp "ph3-der-loewe" Schafft <lion@lion.leolix.org>,
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+
+#include <igloo/io.h>
+
+static int __free(igloo_INTERFACE_BASIC_ARGS)
+{
+    fclose(*backend_userdata);
+    *backend_userdata = NULL;
+    return 0;
+}
+
+
+static ssize_t __read(igloo_INTERFACE_BASIC_ARGS, void *buffer, size_t len)
+{
+    return fread(buffer, 1, len, *backend_userdata);
+}
+static ssize_t __write(igloo_INTERFACE_BASIC_ARGS, const void *buffer, size_t len)
+{
+    return fwrite(buffer, 1, len, *backend_userdata);
+}
+
+static int __flush(igloo_INTERFACE_BASIC_ARGS, igloo_io_opflag_t flags)
+{
+    return fflush(*backend_userdata) == 0 ? 0 : -1;
+}
+static int __sync(igloo_INTERFACE_BASIC_ARGS, igloo_io_opflag_t flags)
+{
+    return 0;
+}
+static libigloo_io_blockingmode_t __get_blockingmode(igloo_INTERFACE_BASIC_ARGS)
+{
+    return igloo_IO_BLOCKINGMODE_FULL;
+}
+static int __get_fd_for_systemcall(igloo_INTERFACE_BASIC_ARGS)
+{
+    return fileno(*backend_userdata);
+}
+
+static const igloo_io_ifdesc_t igloo_stdio_ifdesc = {
+    .__base = {.free = __free},
+    .read = __read,
+    .write = __write,
+    .flush = __flush,
+    .sync = __sync,
+    .get_blockingmode = __get_blockingmode,
+    .get_fd_for_systemcall = __get_fd_for_systemcall
+};
+
+igloo_io_t * igloo_stdio_new_file(const char *filename, const char *mode, const char *name, igloo_ro_t associated)
+{
+    FILE *file = fopen(filename, mode);
+    igloo_io_t *io;
+
+    if (!file)
+        return NULL;
+
+    io = igloo_io_new(&igloo_stdio_ifdesc, igloo_RO_NULL, file, name, associated);
+    if (!io) {
+        fclose(file);
+        return io;
+    }
+
+    return io;
+}