diff options
Diffstat (limited to 'contrib/syslinux/latest/com32/lib/syslinux/pxe_get_cached.c')
-rw-r--r-- | contrib/syslinux/latest/com32/lib/syslinux/pxe_get_cached.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/contrib/syslinux/latest/com32/lib/syslinux/pxe_get_cached.c b/contrib/syslinux/latest/com32/lib/syslinux/pxe_get_cached.c deleted file mode 100644 index 4704037..0000000 --- a/contrib/syslinux/latest/com32/lib/syslinux/pxe_get_cached.c +++ /dev/null @@ -1,96 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2007-2008 H. Peter Anvin - All Rights Reserved - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, - * copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom - * the Software is furnished to do so, subject to the following - * conditions: - * - * The above copyright notice and this permission notice shall - * be included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * ----------------------------------------------------------------------- */ - -/* - * pxe_get_cached.c - * - * PXE call "get cached info" - */ - -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <com32.h> - -#include <syslinux/pxe.h> - -/* Returns the status code from PXE (0 on success), - or -1 on invocation failure */ -int pxe_get_cached_info(int level, void **buf, size_t * len) -{ - const int max_dhcp_packet = 2048; - com32sys_t regs; - t_PXENV_GET_CACHED_INFO *gci; - void *bbuf, *nbuf; - int err; - - gci = lmalloc(sizeof *gci + max_dhcp_packet); - if (!gci) - return -1; - - memset(®s, 0, sizeof regs); - regs.eax.w[0] = 0x0009; - regs.ebx.w[0] = PXENV_GET_CACHED_INFO; - regs.es = SEG(gci); - /* regs.edi.w[0] = OFFS(gci); */ - - bbuf = &gci[1]; - - gci->Status = PXENV_STATUS_FAILURE; - gci->PacketType = level; - gci->BufferSize = gci->BufferLimit = max_dhcp_packet; - gci->Buffer.seg = SEG(bbuf); - gci->Buffer.offs = OFFS(bbuf); - - __intcall(0x22, ®s, ®s); - - if (regs.eflags.l & EFLAGS_CF) { - err = -1; - goto exit; - } - - if (gci->Status) { - err = gci->Status; - goto exit; - } - - nbuf = malloc(gci->BufferSize); - if (!nbuf) { - err = -1; - goto exit; - } - - memcpy(nbuf, bbuf, gci->BufferSize); - - *buf = nbuf; - *len = gci->BufferSize; - err = 0; - -exit: - lfree(gci); - return err; -} |