diff options
Diffstat (limited to 'contrib/syslinux/latest/com32/lib/sys/rawcon_read.c')
-rw-r--r-- | contrib/syslinux/latest/com32/lib/sys/rawcon_read.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/contrib/syslinux/latest/com32/lib/sys/rawcon_read.c b/contrib/syslinux/latest/com32/lib/sys/rawcon_read.c deleted file mode 100644 index 92c9b29..0000000 --- a/contrib/syslinux/latest/com32/lib/sys/rawcon_read.c +++ /dev/null @@ -1,80 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2004-2008 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. - * - * ----------------------------------------------------------------------- */ - -/* - * rawcon_read.c - * - * Character-oriented reading from the console without echo; - * this is a NONBLOCKING device. - */ - -#include <errno.h> -#include <string.h> -#include <com32.h> -#include <minmax.h> -#include <sys/times.h> -#include "file.h" - -/* Global, since it's used by stdcon_read */ -ssize_t __rawcon_read(struct file_info *fp, void *buf, size_t count) -{ - com32sys_t ireg, oreg; - char *bufp = buf; - size_t n = 0; - clock_t start; - - (void)fp; - - memset(&ireg, 0, sizeof ireg); - - start = times(NULL); - - while (n < count) { - /* Poll */ - ireg.eax.b[1] = 0x0B; - __intcall(0x21, &ireg, &oreg); - if (!oreg.eax.b[0]) - break; - - /* We have data, go get it */ - ireg.eax.b[1] = 0x08; - __intcall(0x21, &ireg, &oreg); - *bufp++ = oreg.eax.b[0]; - n++; - } - - return n; -} - -const struct input_dev dev_rawcon_r = { - .dev_magic = __DEV_MAGIC, - .flags = __DEV_TTY | __DEV_INPUT, - .fileflags = O_RDONLY, - .read = __rawcon_read, - .close = NULL, - .open = NULL, -}; |