Test Cattle And Crops directory creation (in home-dir for savegames etc) on Linux

testcreatedir.c

// tests whether it's possible to create the directories for cattle and crops (and if not, prints error)
// compile with
// $ gcc -o testcreatedir testcreatedir.c
// then run it with
// ./testcreatedir

#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <sys/stat.h>
#include <sys/types.h>


static void makeDir(const char* path)
{
	if( (mkdir(path, 0777) != 0) && (errno != EEXIST) )
	{
		printf("ERROR: Couldn't create directory '%s', reason: %s (%d)\n", path, strerror(errno), errno);
		exit(1);
	}
	if(errno == EEXIST)
	{
		printf("Didn't create directory '%s', it already exists\n", path);
	}
	else
	{
		printf("Created directory '%s'\n", path);
	}
}

int main(int argc, char** argv)
{
	const char* homeDir = getenv("HOME");
	char path[4096] = {0};
	if(homeDir == NULL)
	{
		printf("ERROR: Couldn't get $HOME environment variable!\n");
		exit(1);
	}

	printf("Got $HOME: '%s'\n", homeDir);

	snprintf(path, sizeof(path), "%s/.cattle-and-crops", homeDir);
	makeDir(path);

	snprintf(path, sizeof(path), "%s/.cattle-and-crops/Engine/", homeDir);
	makeDir(path);

	snprintf(path, sizeof(path), "%s/.cattle-and-crops/Profiles/", homeDir);
	makeDir(path);

	snprintf(path, sizeof(path), "%s/.cattle-and-crops/Mods/", homeDir);
	makeDir(path);

	return 0;
}