Initial commit

1 files changed, 110 insertions, 0 deletions

diff --git a/core.h b/core.h
new file mode 100644
index 0000000..02f072b
--- /dev/null
+++ b/core.h
@@ -0,0 +1,110 @@
+#ifndef __IHE_CORE_H
+#define __IHE_CORE_H
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+
+/*
+BASIC FILE OPERATIONS ON FILE
+*/
+
+#define FD_RO O_RDONLY
+#define FD_WO O_WRONLY
+#define FD_RW O_RDWR
+#define FD_MNONE 0
+
+#define FD_SEEK_CUR  SEEK_CUR
+#define FD_SEEK_SET  SEEK_SET
+#define FD_SEEK_END  SEEK_END
+
+/*OPEN FILE BY FILE NAME*/
+int fd_open( const char *filename, int flags );
+/*CLOSE FILE BY FD*/
+int fd_close( int fd );
+/*SEEK FILE
+FD - file descriptor
+OFFSET - seek pos
+WHENCE - seek mode
+NEW_OFFSET - new pos, helps to detect if actualy moved to new pos
+*/
+int fd_seek( int fd, off_t offset, int whence );
+off_t fd_pos( int fd );
+off_t fd_set_pos( int fd, off_t offset );
+off_t fd_size( int fd );
+/*
+READ from file
+FD - file descriptor
+BUF - where to write readed output
+COUNT - how much to read
+RETURN - size readed
+*/
+ssize_t fd_read( int fd, void *buf, size_t count );
+ssize_t fd_write( int fd, void *buf, size_t count );
+
+/*
+FILE RELATED UTILITIES
+*/
+
+/*
+CHECK IF YOU HAVE PERMISSIONS TO OPEN FILE
+MAYBE THIS IS FILE OF USER OR LOWER PERMISSION USER
+*/
+
+/*
+CHECK IF PATCH TO FILE EXCISTS
+*/
+
+/*
+GET PATH FILE TYPE
+COULD BE SOME DIRECTORY OR SOME LOOP FILE?
+*/
+
+/*
+GET DEFAULT PATHES THAT WILL IS NOT SUPPORTED
+/dev/radnom is not good to open
+/dev/ttyUSB also steaming files
+/dev/input/mice also is not good alt to open
+/proc/<pid>/mmap also is not alterntice to open
+search and check for more
+*/
+
+
+/*
+FILE OPERATION MANAGMENT STRUCTURE
+*/
+
+#define DEFAULT_BLK_SIZE 256
+
+typedef struct file_t
+{
+	const char *filename;
+	int fd; /* fd is fd */
+	int flags; /* file opening flags */
+	int mode; /* file opening mode */
+	off_t offset; /* last used offset */
+	long position; /* file cursor position */
+	off_t size; /* file size*/
+	unsigned int blk_size; /*default block size to operate with*/
+} file_t;
+
+file_t *file_init();
+int     file_open_fn( file_t *ft, const char *filename, int mode );
+int     file_open( file_t *ft, const char *filename, int flags, int mode );
+int     file_read_blk( file_t *ft, uint8_t *buf );
+int     file_read( file_t *ft, uint8_t *buf, size_t count );
+int     file_write_blk( file_t *ft, uint8_t *buf );
+int     file_write( file_t *ft, uint8_t *buf, size_t count );
+int     file_seek( file_t *ft, off_t offset );
+int     file_pos( file_t *ft );
+int     file_size( file_t *ft );
+int     file_s_mode( file_t *ft, int mode );
+int     file_close( file_t *ft );
+
+#endif
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