Тестовые примеры / ch7 / test_chown

	#include <iostream.h>

	#include <stdio.h>

	#include <sys/types.h>

	#include <sys/stat.h>

	#include <unistd.h>

	#include <pwd.h>

	int main (int argc, char* argv[])

	{

		if (argc < 3) 

		{

			cerr << "Usage: " << argv[0] << " <usr_name> <file> ...\n";

			return 1;

		}

		struct passwd * pwd  = getpwnam(argv[1]);		/* convert user name to UID */

		uid_t 		UID  = pwd->pw_uid;

		struct stat		statv;

		if (UID == (uid_t)-1)

			cerr<< "Invalid user name\n";

		else for (int i=2; i < argc; i++)				/* do for each file specified */

		if (stat(argv[i],&statv)==0)	 

		{

			if (chown(argv[i], UID, statv.st_gid)) perror("chown");

		} else perror("stat");

		return 0;

	}