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deps/libgit2/src/libgit2/sysdir.c  view on Meta::CPAN

	long buflen;
	int error;

	GIT_ASSERT_ARG(out);

	if ((buflen = sysconf(_SC_GETPW_R_SIZE_MAX)) == -1)
		buflen = 1024;

	do {
		buf = git__realloc(buf, buflen);
		error = getpwuid_r(uid, &pwd, buf, buflen, &pwdptr);
		buflen *= 2;
	} while (error == ERANGE && buflen <= 8192);

	if (error) {
		git_error_set(GIT_ERROR_OS, "failed to get passwd entry");
		goto out;
	}

	if (!pwdptr) {
		git_error_set(GIT_ERROR_OS, "no passwd entry found for user");