envblk.c revision 2
2N/A/* envblk.c - Common functions for environment block. */ 2N/A * GRUB -- GRand Unified Bootloader 2N/A * Copyright (C) 2008,2009 Free Software Foundation, Inc. 2N/A * GRUB is free software: you can redistribute it and/or modify 2N/A * it under the terms of the GNU General Public License as published by 2N/A * the Free Software Foundation, either version 3 of the License, or 2N/A * (at your option) any later version. 2N/A * GRUB is distributed in the hope that it will be useful, 2N/A * but WITHOUT ANY WARRANTY; without even the implied warranty of 2N/A * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 2N/A * GNU General Public License for more details. 2N/A * You should have received a copy of the GNU General Public License 2N/A if (*p ==
'\\' || *p ==
'\n')
2N/A else if (*p ==
'\n')
2N/A /* First, look at free space. */ 2N/A /* Found the same name. */ 2N/A /* Check the length of the current value. */ 2N/A /* Move the following characters backward, and fill the new 2N/A space with harmless characters. */ 2N/A /* Move the following characters forward. */ 2N/A /* Append a new variable. */ 2N/A /* Write the value. */ 2N/A else if (*p ==
'\\')
2N/A /* out of memory. */