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Code

Rework the logic to avoid allocating memory

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This commit is contained in:
LemonBoy 2015-10-02 15:02:43 +02:00
parent 2e860abd2b
commit c351c448b8
1 changed files with 19 additions and 33 deletions
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52
src/fe-text/term-terminfo.c
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@ -524,52 +524,38 @@ void term_add_unichar(TERM_WINDOW *window, unichar chr)
int term_addstr(TERM_WINDOW *window, const char *str)
{
int i, len, raw_len;
unichar *tmp;
int len, raw_len;
unichar tmp;
const char *ptr;
if (vcmove) term_move_real();
len = 0;
raw_len = strlen(str);
/* The string length depends on the terminal encoding */
switch (term_type) {
case TERM_TYPE_BIG5:
len = strlen_big5((const unsigned char *)str);
break;
case TERM_TYPE_UTF8:
len = g_utf8_strlen(str, -1);
break;
default:
len = strlen(str);
break;
}
tmp = calloc(len, sizeof(unichar));
if (tmp == NULL)
return 0;
ptr = str;
switch (term_type) {
case TERM_TYPE_BIG5:
big5_to_unichars(str, tmp);
break;
case TERM_TYPE_UTF8:
ptr = str;
for (i = 0; i < len; i++) {
tmp[i] = g_utf8_get_char(ptr);
if (term_type != TERM_TYPE_BIG5) {
while (*ptr != '\0') {
tmp = g_utf8_get_char(ptr);
len += unichar_isprint(tmp) ? mk_wcwidth(tmp) : 1;
ptr = g_utf8_next_char(ptr);
}
break;
default:
for (i = 0; i < len; i++)
tmp[i] = str[i];
} else {
while (*ptr != '\0') {
if (is_big5(ptr[0], ptr[1])) {
tmp = ptr[0] << 8 | ptr[1];
ptr += 2;
} else {
tmp = *ptr;
ptr += 1;
}
len += (tmp > 0xff) ? 2 : 1;
}
}
for (len = i = 0; i < len; i++)
len += unichar_isprint(tmp[i]) ? mk_wcwidth(tmp[i]) : 1;
free(tmp);
term_printed_text(len);
/* Use strlen() here since we need the number of raw bytes */