37 lines
871 B
C
37 lines
871 B
C
void
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c_copy(char *c, char **argv) {
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c += 2;
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int start = atoi(c);
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for(; *c != '\0' && *c != ' '; c++);
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int end = atoi(c);
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Row *cpy_start = b_getline(buffer, start);
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if(cpy_start == NULL || b_getline(buffer, end) == NULL) {
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puts("invalid line.");
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return;
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}
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if (clipboard != NULL) {
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b_truncate(clipboard);
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free(clipboard);
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}
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clipboard = calloc(1, sizeof(Row));
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Row *dest = clipboard;
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for (int i = start; i <= end; i++) {
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memcpy(dest->text, cpy_start->text, ROW_SIZE);
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cpy_start = cpy_start->n;
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dest = b_insert(dest);
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}
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}
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void
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c_paste(char *c, char **argv) {
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Row *line = b_getline(buffer, atoi(c + 2));
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if (line == NULL) {puts("invalid line."); return; }
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if (clipboard == NULL) {puts("empty clipboard"); return; }
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for (Row *cb = clipboard; cb->n != NULL; cb = cb->n) {
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line = b_insert(line);
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memcpy(line->text, cb->text, ROW_SIZE);
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}
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}
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