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file.h

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+/*
+ * Copyright 2008-2013 Various Authors
+ * Copyright 2005 Timo Hirvonen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CMUS_FILE_H
+#define CMUS_FILE_H
+
+#include <stddef.h> /* size_t */
+#include <sys/types.h> /* ssize_t */
+
+ssize_t read_all(int fd, void *buf, size_t count);
+ssize_t write_all(int fd, const void *buf, size_t count);
+
+/* @filename  file to mmap for reading
+ * @size      returned size of the file or -1 if failed
+ *
+ * returns buffer or NULL if empty file or failed
+ */
+char *mmap_file(const char *filename, ssize_t *size);
+
+void buffer_for_each_line(const char *buf, int size,
+		int (*cb)(void *data, const char *line),
+		void *data);
+void buffer_for_each_line_reverse(const char *buf, int size,
+		int (*cb)(void *data, const char *line),
+		void *data);
+int file_for_each_line(const char *filename,
+		int (*cb)(void *data, const char *line),
+		void *data);
+
+#endif