Initial commit

CgeFile.h

@@ -0,0 +1,62 @@
+#ifndef CGE_FILE_H
+#define CGE_FILE_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+enum CgeFileMode {
+    CGE_FILE_READ       = (1 << 0),
+    CGE_FILE_WRITE      = (1 << 1),
+    CGE_FILE_READWRITE  = (1 << 0) | (1 << 1),
+    CGE_FILE_APPEND     = (1 << 4),
+    CGE_FILE_TRUNCATE   = (1 << 5),
+    CGE_FILE_CREATE     = (1 << 6),
+    CGE_FILE_EXIST      = (1 << 7),
+};
+
+enum CgeFileSeek {
+    CGE_FILE_SET,
+    CGE_FILE_CUR,
+    CGE_FILE_END,
+};
+
+enum CgeFileFlags {
+    CGE_FILE_OK     = (1 << 0),
+    CGE_FILE_ERROR  = (1 << 1),
+    CGE_FILE_EOF    = (1 << 2),
+};
+
+enum CgeFileCode {
+    CGE_FILE_EOK,             /* Success */
+    CGE_FILE_EUNKNOWN,        /* Unknown or unexpected error */
+    CGE_FILE_EOOM,            /* Out of memory */
+    CGE_FILE_ENOSPC,          /* No space left on device */
+    CGE_FILE_EINVAL,          /* Invalid mode/flag combination */
+    CGE_FILE_ENOENT,          /* No such file or directory */
+    CGE_FILE_EACCES,          /* Permission denied */
+    CGE_FILE_EROFS,           /* Read-only file system */
+    CGE_FILE_EEXIST,          /* File already exists */
+    CGE_FILE_EISDIR,          /* Is a directory */
+    CGE_FILE_EMFILE,          /* Too many open files */
+    CGE_FILE_ENAMETOOLONG     /* File name too long */
+};
+
+typedef struct CgeFile CgeFile;
+
+CgeFile *CgeFileNew(const char *path, int mode, int *result);
+void CgeFileFree(CgeFile *file);
+int CgeFileRead(CgeFile *file, char *buffer, size_t size, size_t *actual);
+int CgeFileWrite(CgeFile *file, const char *buffer, size_t size,
+                 size_t *actual);
+int CgeFilePeek(CgeFile *file, char *buffer, size_t size, size_t *actual);
+int CgeFileTell(CgeFile *file, int64_t *offset);
+int CgeFileSeek(CgeFile *file, int64_t offset, int whence);
+int CgeFileFlush(CgeFile *file);
+int CgeFileSize(CgeFile *file, int64_t *size);
+int CgeFileFlags(CgeFile *file, int *flags);
+int CgeFileError(CgeFile *file);
+int CgeFileEndOfFile(CgeFile *file);
+int CgeFileClear(CgeFile *file);
+int CgeFileErrorCode(CgeFile *file);
+
+#endif /* CGE_FILE_H */