2023-07-23 15:33:12 +00:00
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#pragma once
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#include <cia_definitions.h>
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// Common errors
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#define RT_STATUS_OK 0 // No errors
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#define RT_ERROR_NOT_IMPLEMENTED -1 // Function not implemented
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#define RT_ERROR_BAD_PARAM -2 // One of the function parameters was wrong
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// File API errors
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#define RT_STATUS_FILE_ACCESS 1 // No access to the file
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#define RT_STATUS_FILE_NO_SPACE 2 // Storage device has no space for the file
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#define RT_STATUS_FILE_EXISTS 3 // File exists when shouldn't
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#define RT_STATUS_FILE_NOT_EXISTS 4 // File doesn't exist when should
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#define RT_STATUS_FILE_DIRECTORY 5 // The file was a directory when shouldn't've been
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#define RT_STATUS_FILE_NOT_DIRECTORY 6 // The file wasn't a directory when should've been
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#define RT_STATUS_FILE_NAME_TOO_LONG 7 // The filename was too long for the Filesystem
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#define RT_STATUS_FILE_LOOP 8 // Too many symlinks followed or a symlink encountered when expected none
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#define RT_STATUS_FILE_BUSY 9 // The device is busy if exclusive access is requested
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#define RT_STATUS_FILE_TOO_MANY_OPEN 10 // Too many open files in the process
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#define RT_STATUS_FILE_NO_MEMORY 11 // No kernel memory or user limit on memory allocation exceeded
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#define RT_STATUS_FILE_IO_ERROR 12 // I/O error
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#define RT_STATUS_FILE_BAD_FILE 13 // Bad file handle
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#define RT_STATUS_FILE_EOF 14 // Read operation reached the end-of-file
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// File API flags
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#define RT_FILE_READ 0x01
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#define RT_FILE_WRITE 0x02
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#define RT_FILE_CREATE 0x04
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#define RT_FILE_EXCLUSIVE 0x08
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#define RT_FILE_TRUNCATE 0x10
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typedef i32 RT_Status;
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// API implementation flags (managed and used by the layers on top of tinyrt)
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static bool _rt_api_file;
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static bool _rt_api_tmpfile;
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// Initialization & termination of minirt
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static RT_Status rt_init();
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static RT_Status rt_deinit();
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// File API
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2023-07-25 05:09:15 +00:00
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#if RT_API_FILE == 1
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2023-07-23 15:33:12 +00:00
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struct RT_File typedef RT_File;
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struct RT_File {
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union {
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void *handle;
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u64 fd;
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};
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i32 flags;
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};
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static RT_Status rt_file_open(RT_File *file, char *name, int flags);
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static RT_Status rt_file_read(u64 size, void *buffer, RT_File *from, u64 *out_bytes_read);
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static RT_Status rt_file_write(RT_File *to, u64 size, void *buffer, u64 *out_bytes_written);
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static RT_Status rt_file_close(RT_File *file);
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#endif
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