Function WriteInternalConfFile

src/bin/pg_basebackup/pg_basebackup.c:2953–2979

}

static void
WriteInternalConfFile(void)
{
	char		filename[MAXPGPATH];
	FILE	   *cf;
	char line_to_write[100];
	int length;

	sprintf(filename, "%s/%s", basedir, GP_INTERNAL_AUTO_CONF_FILE_NAME);

	cf = fopen(filename, "w");
	if (cf == NULL)
	{
		pg_log_error("could not create file \"%s\": %m", filename);
		exit(1);
	}

	length = snprintf(line_to_write, 100, "gp_dbid=%d\n", target_gp_dbid);

	if (fwrite(line_to_write, length, 1, cf) != 1)
	{
		pg_log_error("could not write to file \"%s\": %m", filename);
		exit(1);
	}

	fclose(cf);
}