gwj / at91sam9263 · Commits

Commit 33fa11d4b53dcda0f71929a60d60e51ad46e926d

Authored by ths
1 parent 31211df1

Implement ^W in readline.c, by Michal Hanselmann. 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3016 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 43 additions and 0 deletions
readline.c
  View file @33fa11d
... ... @@ -156,6 +156,45 @@ static void term_backspace(void)
156 156 }
157 157 }
158 158  
  159 +static void term_backword(void)
  160 +{
  161 + int start;
  162 +
  163 + if (term_cmd_buf_index == 0 || term_cmd_buf_index > term_cmd_buf_size) {
  164 + return;
  165 + }
  166 +
  167 + start = term_cmd_buf_index - 1;
  168 +
  169 + /* find first word (backwards) */
  170 + while (start > 0) {
  171 + if (!isspace(term_cmd_buf[start])) {
  172 + break;
  173 + }
  174 +
  175 + --start;
  176 + }
  177 +
  178 + /* find first space (backwards) */
  179 + while (start > 0) {
  180 + if (isspace(term_cmd_buf[start])) {
  181 + ++start;
  182 + break;
  183 + }
  184 +
  185 + --start;
  186 + }
  187 +
  188 + /* remove word */
  189 + if (start < term_cmd_buf_index) {
  190 + memmove(term_cmd_buf + start,
  191 + term_cmd_buf + term_cmd_buf_index,
  192 + term_cmd_buf_size - term_cmd_buf_index);
  193 + term_cmd_buf_size -= term_cmd_buf_index - start;
  194 + term_cmd_buf_index = start;
  195 + }
  196 +}
  197 +
159 198 static void term_bol(void)
160 199 {
161 200 term_cmd_buf_index = 0;
... ... @@ -338,6 +377,10 @@ void readline_handle_byte(int ch)
338 377 /* NOTE: readline_start can be called here */
339 378 term_readline_func(term_readline_opaque, term_cmd_buf);
340 379 break;
  380 + case 23:
  381 + /* ^W */
  382 + term_backword();
  383 + break;
341 384 case 27:
342 385 term_esc_state = IS_ESC;
343 386 break;
... ...