c-ipfs/include/ipfs/os/utils.h
John Jones c64a700223 The beginnings of datastore
A lot of code cleanup, plus beginning the implementation of a datastore.
2016-11-17 15:07:59 -05:00

39 lines
1,010 B
C

/**
* OS specific stuff. This is going to get ugly, but at least its in one place
*/
#ifndef __OS_UTILS_H__
#define __OS_UTILS_H__
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/**
* get an environment varible from the os
* @param variable the variable to look for
* @returns the results
*/
char* os_utils_getenv(const char* variable);
/**
* get the user's home directory
* @returns the user's home directory
*/
char* os_utils_get_homedir();
/**
* join 2 pieces of a filepath, being careful about the slashes
* @param root the root part
* @param extension what should be concatenated
* @param results where to put the results
* @param max_len throw an error if the total is longer than max_len
*/
int os_utils_filepath_join(const char* root, const char* extension, char* results, unsigned long max_len);
int os_utils_file_exists(const char* file_name);
int os_utils_file_size(const char* file_name);
int os_utils_directory_writeable(const char* path);
#endif /* utils_h */