Filza 27.2 worse_query: public and developer builds

XPF/external/ChOma/src/MemoryStream.h

@@ -0,0 +1,60 @@
+#ifndef MEMORY_STREAM_H
+#define MEMORY_STREAM_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdbool.h>
+
+#define MEMORY_STREAM_FLAG_OWNS_DATA (1 << 0)
+#define MEMORY_STREAM_FLAG_MUTABLE (1 << 1)
+#define MEMORY_STREAM_FLAG_AUTO_EXPAND (1 << 2)
+
+#define MEMORY_STREAM_SIZE_INVALID (size_t)-1
+
+// A generic memory IO interface that is used throughout this project
+// Can be backed by anything, just the functions have to be implemented
+typedef struct s_MemoryStream {
+   void *context;
+   uint32_t flags;
+
+   int (*read)(struct s_MemoryStream *stream, uint64_t offset, size_t size, void *outBuf);
+   int (*write)(struct s_MemoryStream *stream, uint64_t offset, size_t size, const void *inBuf);
+   int (*getSize)(struct s_MemoryStream *stream, size_t *sizeOut);
+   uint8_t *(*getRawPtr)(struct s_MemoryStream *stream);
+
+   int (*trim)(struct s_MemoryStream *stream, size_t trimAtStart, size_t trimAtEnd);
+   int (*expand)(struct s_MemoryStream *stream, size_t expandAtStart, size_t expandAtEnd);
+
+   struct s_MemoryStream *(*hardclone)(struct s_MemoryStream *stream);
+   struct s_MemoryStream *(*softclone)(struct s_MemoryStream *stream);
+   void (*free)(struct s_MemoryStream *stream);
+} MemoryStream;
+
+int memory_stream_read(MemoryStream *stream, uint64_t offset, size_t size, void *outBuf);
+int memory_stream_write(MemoryStream *stream, uint64_t offset, size_t size, const void *inBuf);
+
+int memory_stream_insert(MemoryStream *stream, uint64_t offset, size_t size, const void *inBuf);
+int memory_stream_delete(MemoryStream *stream, uint64_t offset, size_t size);
+
+int memory_stream_read_string(MemoryStream *stream, uint64_t offset, char **outString);
+int memory_stream_write_string(MemoryStream *stream, uint64_t offset, const char *string);
+
+size_t memory_stream_get_size(MemoryStream *stream);
+uint8_t *memory_stream_get_raw_pointer(MemoryStream *stream);
+uint32_t memory_stream_get_flags(MemoryStream *stream);
+
+MemoryStream *memory_stream_softclone(MemoryStream *stream);
+MemoryStream *memory_stream_hardclone(MemoryStream *stream);
+int memory_stream_trim(MemoryStream *stream, size_t trimAtStart, size_t trimAtEnd);
+int memory_stream_expand(MemoryStream *stream, size_t expandAtStart, size_t expandAtEnd);
+
+void memory_stream_free(MemoryStream *stream);
+
+int memory_stream_copy_data(MemoryStream *originStream, uint64_t originOffset, MemoryStream *targetStream, uint64_t targetOffset, size_t size);
+int memory_stream_find_memory(MemoryStream *stream, uint64_t searchStartOffset, uint64_t searchEndOffset, void *bytes, void *mask, size_t nbytes, uint16_t alignment, uint64_t *foundOffsetOut);
+
+#endif // MEMORY_STREAM_H