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wt-status: extract the code to compute width for labels

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Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2013-12-19 11:43:19 -08:00 committed by Junio C Hamano
parent d52cb5761a
commit 335e825012
1 changed files with 15 additions and 7 deletions
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22
wt-status.c
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@ -292,6 +292,19 @@ static const char *wt_status_diff_status_string(int status)
}
}
static int maxwidth(const char *(*label)(int), int minval, int maxval)
{
int result = 0, i;
for (i = minval; i <= maxval; i++) {
const char *s = label(i);
int len = s ? utf8_strwidth(s) : 0;
if (len > result)
result = len;
}
return result;
}
static void wt_status_print_change_data(struct wt_status *s,
int change_type,
struct string_list_item *it)
@ -310,13 +323,8 @@ static void wt_status_print_change_data(struct wt_status *s,
int len;
if (!padding) {
/* If DIFF_STATUS_* uses outside this range, we're in trouble */
for (status = 'A'; status <= 'Z'; status++) {
what = wt_status_diff_status_string(status);
len = what ? strlen(what) : 0;
if (len > label_width)
label_width = len;
}
/* If DIFF_STATUS_* uses outside the range [A..Z], we're in trouble */
label_width = maxwidth(wt_status_diff_status_string, 'A', 'Z');
label_width += strlen(" ");
padding = xmallocz(label_width);
memset(padding, ' ', label_width);