void sb_append_char(string_builder* sb, char c)
{
if (sb->count + 1 >= sb->_len)
sb_resize(sb);
sb->_str_p[sb->count] = c;
sb->count++;
}
void sb_append(string_builder* sb, const char* str)
{
if (str == NULL)
return;
int str_len = strlen(str);
if (sb->count + str_len >= sb->_len) {
sb->_len += str_len;
sb_resize(sb);
}
memcpy(sb->_str_p + sb->count, str, str_len);
sb->count += str_len;
}
/**
* Appends at most length of the given src string to the string buffer
*/
void sb_append_strn(stringbuilder* sb, const char* src, int length) {
int chars_remaining;
int chars_required;
int new_size;
// <buffer size> - <zero based index of next char to write> - <space for null terminator>
chars_remaining = sb->size - sb->pos - 1;
if (chars_remaining < length) {
chars_required = length - chars_remaining;
new_size = sb->size;
do {
new_size = new_size * 2;
} while (new_size < (sb->size + chars_required));
sb_resize(sb, new_size);
}
memcpy(sb->cstr + sb->pos, src, length);
sb->pos += length;
}
int sb_double_size(stringbuilder* sb) {
return sb_resize(sb, sb->size * 2);
}
