linuxinstall/src/utils.h

#pragma once

#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>

#define ERROR_BUFFER_SIZE 4096

extern char ERROR_BUFFER[];

typedef int result_t;

result_t success(void);
result_t failure(const char* format, ...);
const char* error(void);

result_t format(char** _str, const char* format, ...);
result_t substring(char** _str, const char* str, size_t start, size_t length);

result_t format_size(char** _str, uint64_t size);
result_t parse_size(uint64_t* _size, const char* str);

result_t execute(int* _exit_code, char** _stdoutbuf, char** _stderrbuf, const char* executable, ...);

result_t read_fd(char** _str, int fd);
result_t write_fd(int fd, const char* str);
result_t read_file(char** _str, const char* path);
result_t write_file(const char* path, const char* str);
result_t copy_file(const char* src, const char* dst);

result_t list_files(char*** _files, const char* path, bool (*filter)(const char*));

result_t md5sum(char** _md5, const char* path);