vbatts/grub
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merge mainline into asprintf

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-01-20 07:36:17 +01:00
commit 2d49abe9e7
342 changed files with 14569 additions and 4699 deletions
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63
commands/help.c
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@ -1,7 +1,7 @@
/* help.c - command to show a help text. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2005,2007,2008 Free Software Foundation, Inc.
* Copyright (C) 2005,2007,2008,2009 Free Software Foundation, Inc.
*
* GRUB is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -22,6 +22,9 @@
#include <grub/term.h>
#include <grub/extcmd.h>
#include <grub/i18n.h>
#include <grub/mm.h>
#include <grub/normal.h>
#include <grub/charset.h>
static grub_err_t
grub_cmd_help (grub_extcmd_t ext __attribute__ ((unused)), int argc,
@ -38,19 +41,49 @@ grub_cmd_help (grub_extcmd_t ext __attribute__ ((unused)), int argc,
if ((cmd->prio & GRUB_PRIO_LIST_FLAG_ACTIVE) &&
(cmd->flags & GRUB_COMMAND_FLAG_CMDLINE))
{
char description[GRUB_TERM_WIDTH / 2];
const char* summary_translated = _(cmd->summary);
int desclen = grub_strlen (summary_translated);
struct grub_term_output *term;
const char *summary_translated = _(cmd->summary);
char *command_help;
grub_uint32_t *unicode_command_help;
grub_uint32_t *unicode_last_position;
command_help = grub_asprintf ("%s %s", cmd->name, summary_translated);
if (!command_help)
return 1;
/* Make a string with a length of GRUB_TERM_WIDTH / 2 - 1 filled
with the description followed by spaces. */
grub_memset (description, ' ', GRUB_TERM_WIDTH / 2 - 1);
description[GRUB_TERM_WIDTH / 2 - 1] = '\0';
grub_memcpy (description, summary_translated,
(desclen < GRUB_TERM_WIDTH / 2 - 1
? desclen : GRUB_TERM_WIDTH / 2 - 1));
grub_utf8_to_ucs4_alloc (command_help, &unicode_command_help,
&unicode_last_position);
grub_printf ("%s%s", description, (cnt++) % 2 ? "\n" : " ");
FOR_ACTIVE_TERM_OUTPUTS(term)
{
unsigned stringwidth;
grub_uint32_t *unicode_last_screen_position;
unicode_last_screen_position = unicode_command_help;
stringwidth = 0;
while (unicode_last_screen_position < unicode_last_position &&
stringwidth < ((grub_term_width (term) / 2) - 2))
{
stringwidth
+= grub_term_getcharwidth (term,
*unicode_last_screen_position);
unicode_last_screen_position++;
}
grub_print_ucs4 (unicode_command_help,
unicode_last_screen_position, term);
if (!(cnt % 2))
grub_print_spaces (term, grub_term_width (term) / 2
- stringwidth);
}
if (cnt % 2)
grub_printf ("\n");
cnt++;
grub_free (command_help);
grub_free (unicode_command_help);
}
return 0;
}
@ -75,7 +108,11 @@ grub_cmd_help (grub_extcmd_t ext __attribute__ ((unused)), int argc,
}
if (argc == 0)
grub_command_iterate (print_command_info);
{
grub_command_iterate (print_command_info);
if (!(cnt % 2))
grub_printf ("\n");
}
else
{
int i;