mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2024-11-23 06:15:38 +00:00
52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
#ifndef RC_UTIL_H
|
|
#define RC_UTIL_H
|
|
|
|
#include "rc_export.h"
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
RC_BEGIN_C_DECLS
|
|
|
|
/**
|
|
* A block of memory for variable length data (like strings and arrays).
|
|
*/
|
|
typedef struct rc_buffer_chunk_t {
|
|
/* The current location where data is being written */
|
|
uint8_t* write;
|
|
/* The first byte past the end of data where writing cannot occur */
|
|
uint8_t* end;
|
|
/* The first byte of the data */
|
|
uint8_t* start;
|
|
/* The next block in the allocated memory chain */
|
|
struct rc_buffer_chunk_t* next;
|
|
}
|
|
rc_buffer_chunk_t;
|
|
|
|
/**
|
|
* A preallocated block of memory for variable length data (like strings and arrays).
|
|
*/
|
|
typedef struct rc_buffer_t {
|
|
/* The chunk data (will point at the local data member) */
|
|
struct rc_buffer_chunk_t chunk;
|
|
/* Small chunk of memory pre-allocated for the chunk */
|
|
uint8_t data[256];
|
|
}
|
|
rc_buffer_t;
|
|
|
|
void rc_buffer_init(rc_buffer_t* buffer);
|
|
void rc_buffer_destroy(rc_buffer_t* buffer);
|
|
uint8_t* rc_buffer_reserve(rc_buffer_t* buffer, size_t amount);
|
|
void rc_buffer_consume(rc_buffer_t* buffer, const uint8_t* start, uint8_t* end);
|
|
void* rc_buffer_alloc(rc_buffer_t* buffer, size_t amount);
|
|
char* rc_buffer_strcpy(rc_buffer_t* buffer, const char* src);
|
|
char* rc_buffer_strncpy(rc_buffer_t* buffer, const char* src, size_t len);
|
|
|
|
uint32_t rc_djb2(const char* input);
|
|
|
|
void rc_format_md5(char checksum[33], const uint8_t digest[16]);
|
|
|
|
RC_END_C_DECLS
|
|
|
|
#endif /* RC_UTIL_H */
|