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2002-02-08 Yoshinori K. Okuji <okuji@enbug.org>

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An internal pager is implemented.

	* stage2/builtins.c (pager_func): New function.
	(builtin_pager): New variable.
	(terminal_func): New option, "--lines=LINES" is added. If this
	option is specified, set MAX_LINES to the value. Otherwise, set
	MAX_LINES to 24.
	(vbeprobe_func): Remove the pager code specific to this
	function.
	(builtin_table): Added a pointer to BUILTIN_PAGER.
	* stage2/char_io.c (max_lines) [!STAGE1_5]: New variable.
	(count_lines) [!STAGE1_5]: Likewise.
	(use_pager) [!STAGE1_5]: Likewise.
	(grub_putchar) [!STAGE1_5]: if C is a newline and COUNT_LINES is
	not -1, count up the number of lines. If it exceeds the maximum
	number of lines minus 2, show a message and wait for input of
	return key. "minus 2" is to reserve space for the message
	printed by this internal pager.
	* stage2/cmdline.c (enter_cmdline): If USE_PAGER is true, set
	COUNT_LINES to zero, before running a command, and reset
	COUNT_LINES to -1 after that.
	* stage2/shared.h (max_lines) [!STAGE1_5]: Declared.
	(count_lines) [!STAGE1_5]: Likewise.
	(use_pager) [!STAGE1_5]: Likewise.
This commit is contained in:
okuji 2002-02-08 01:14:01 +00:00
parent 9f4689e21d
commit b0c95fd0d4
6 changed files with 134 additions and 15 deletions
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ChangeLog
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@ -1,3 +1,30 @@
2002-02-08 Yoshinori K. Okuji <okuji@enbug.org>
An internal pager is implemented.
* stage2/builtins.c (pager_func): New function.
(builtin_pager): New variable.
(terminal_func): New option, "--lines=LINES" is added. If this
option is specified, set MAX_LINES to the value. Otherwise, set
MAX_LINES to 24.
(vbeprobe_func): Remove the pager code specific to this
function.
(builtin_table): Added a pointer to BUILTIN_PAGER.
* stage2/char_io.c (max_lines) [!STAGE1_5]: New variable.
(count_lines) [!STAGE1_5]: Likewise.
(use_pager) [!STAGE1_5]: Likewise.
(grub_putchar) [!STAGE1_5]: if C is a newline and COUNT_LINES is
not -1, count up the number of lines. If it exceeds the maximum
number of lines minus 2, show a message and wait for input of
return key. "minus 2" is to reserve space for the message
printed by this internal pager.
* stage2/cmdline.c (enter_cmdline): If USE_PAGER is true, set
COUNT_LINES to zero, before running a command, and reset
COUNT_LINES to -1 after that.
* stage2/shared.h (max_lines) [!STAGE1_5]: Declared.
(count_lines) [!STAGE1_5]: Likewise.
(use_pager) [!STAGE1_5]: Likewise.
2002-02-08 Yoshinori K. Okuji <okuji@enbug.org>
* stage2/fsys_jfs.c (jfs_read) [STAGE1_5]: Set and reset