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* grub-core/normal/completion.c: Remove variable length arrays.

Browse source 
* grub-core/normal/menu_entry.c: Likewise.

	Reduces normal.mod by 496 bytes.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-10-20 13:55:35 +02:00
parent a07e6ad010
commit c7037f1d0f
3 changed files with 51 additions and 49 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2013-10-20 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/normal/completion.c: Remove variable length arrays.
* grub-core/normal/menu_entry.c: Likewise.
Reduces normal.mod by 496 bytes.
2013-10-20 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/fs/minix.c: Remove variable length arrays. Reduces jfs.mod

11
grub-core/normal/completion.c
View file

@ -168,10 +168,6 @@ iterate_dev (const char *devname, void *data __attribute__ ((unused)))
grub_errno = GRUB_ERR_NONE;
return 0;
}
{
char tmp[grub_strlen (devname) + sizeof (",")];
grub_memcpy (tmp, devname, grub_strlen (devname));
if (grub_strcmp (devname, current_word) == 0)
{
@ -188,16 +184,11 @@ iterate_dev (const char *devname, void *data __attribute__ ((unused)))
return 1;
}
}
else
{
grub_memcpy (tmp + grub_strlen (devname), "", sizeof (""));
if (add_completion (tmp, "", GRUB_COMPLETION_TYPE_DEVICE))
else if (add_completion (devname, "", GRUB_COMPLETION_TYPE_DEVICE))
{
grub_device_close (dev);
return 1;
}
}
}
grub_device_close (dev);
grub_errno = GRUB_ERR_NONE;

50
grub-core/normal/menu_entry.c
View file

@ -51,6 +51,11 @@ struct per_term_screen
struct grub_term_output *term;
int y_line_start;
struct grub_term_screen_geometry geo;
/* Scratch variables used when updating. Having them here avoids
loads of small mallocs. */
int orig_num;
int down;
enum update_mode mode;
};
struct screen
@ -371,14 +376,12 @@ insert_string (struct screen *screen, const char *s, int update)
{
int region_start = screen->num_lines;
int region_column = 0;
int down[screen->nterms];
enum update_mode mode[screen->nterms];
unsigned i;
for (i = 0; i < screen->nterms; i++)
{
down[i] = 0;
mode[i] = NO_LINE;
screen->terms[i].down = 0;
screen->terms[i].mode = NO_LINE;
}
while (*s)
@ -436,8 +439,8 @@ insert_string (struct screen *screen, const char *s, int update)
for (i = 0; i < screen->nterms; i++)
{
mode[i] = ALL_LINES;
down[i] = 1; /* XXX not optimal. */
screen->terms[i].mode = ALL_LINES;
screen->terms[i].down = 1; /* XXX not optimal. */
}
/* Move the cursor. */
@ -451,7 +454,6 @@ insert_string (struct screen *screen, const char *s, int update)
const char *p;
struct line *current_linep;
int size;
int orig_num[screen->nterms], new_num[screen->nterms];
grub_uint32_t *unicode_msg;
/* Find a string delimited by LF. */
@ -488,12 +490,9 @@ insert_string (struct screen *screen, const char *s, int update)
}
for (i = 0; i < screen->nterms; i++)
orig_num[i] = get_logical_num_lines (current_linep,
screen->terms[i].orig_num = get_logical_num_lines (current_linep,
&screen->terms[i]);
current_linep->len += size;
for (i = 0; i < screen->nterms; i++)
new_num[i] = get_logical_num_lines (current_linep,
&screen->terms[i]);
/* Update the dirty region. */
if (region_start > screen->line)
@ -503,13 +502,17 @@ insert_string (struct screen *screen, const char *s, int update)
}
for (i = 0; i < screen->nterms; i++)
if (orig_num[i] != new_num[i])
{
mode[i] = ALL_LINES;
down[i] = 1; /* XXX not optimal. */
int new_num = get_logical_num_lines (current_linep,
&screen->terms[i]);
if (screen->terms[i].orig_num != new_num)
{
screen->terms[i].mode = ALL_LINES;
screen->terms[i].down = 1; /* XXX not optimal. */
}
else if (screen->terms[i].mode != ALL_LINES)
screen->terms[i].mode = SINGLE_LINE;
}
else if (mode[i] != ALL_LINES)
mode[i] = SINGLE_LINE;
/* Move the cursor. */
advance_to (screen, screen->column + size);
@ -522,7 +525,8 @@ insert_string (struct screen *screen, const char *s, int update)
if (update)
for (i = 0; i < screen->nterms; i++)
update_screen (screen, &screen->terms[i],
region_start, region_column, 0, down[i], mode[i]);
region_start, region_column, 0, screen->terms[i].down,
screen->terms[i].mode);
return 1;
}
@ -754,11 +758,10 @@ delete_char (struct screen *screen, int update)
linep = screen->lines + screen->line;
if (linep->len > screen->column)
{
int orig_num[screen->nterms], new_num;
unsigned i;
for (i = 0; i < screen->nterms; i++)
orig_num[i] = get_logical_num_lines (linep, &screen->terms[i]);
screen->terms[i].orig_num = get_logical_num_lines (linep, &screen->terms[i]);
grub_memmove (linep->buf + screen->column,
linep->buf + screen->column + 1,
@ -780,8 +783,9 @@ delete_char (struct screen *screen, int update)
{
for (i = 0; i < screen->nterms; i++)
{
int new_num;
new_num = get_logical_num_lines (linep, &screen->terms[i]);
if (orig_num[i] != new_num)
if (screen->terms[i].orig_num != new_num)
update_screen (screen, &screen->terms[i],
start, column, 0, 0, ALL_LINES);
else
@ -867,7 +871,6 @@ kill_line (struct screen *screen, int continuous, int update)
if (size > 0)
{
int orig_num[screen->nterms], new_num;
unsigned i;
p = grub_realloc (p, offset + size + 1);
@ -880,15 +883,16 @@ kill_line (struct screen *screen, int continuous, int update)
screen->killed_text = p;
for (i = 0; i < screen->nterms; i++)
orig_num[i] = get_logical_num_lines (linep, &screen->terms[i]);
screen->terms[i].orig_num = get_logical_num_lines (linep, &screen->terms[i]);
linep->len = screen->column;
if (update)
{
for (i = 0; i < screen->nterms; i++)
{
int new_num;
new_num = get_logical_num_lines (linep, &screen->terms[i]);
if (orig_num[i] != new_num)
if (screen->terms[i].orig_num != new_num)
update_screen (screen, &screen->terms[i],
screen->line, screen->column, 0, 1, ALL_LINES);
else