nano-12/src/nano.c

171 /* Partition a filestruct so that it begins at (top, top_x) and ends at
173 partition *partition_filestruct(filestruct *top, size_t top_x,
198      * the partition from it, and save the text before top_x in
202     p->top_data = mallocstrncpy(NULL, top->data, top_x + 1);
203     p->top_data[top_x] = '\0';
215     /* Remove all text before top_x at the top of the partition. */
216     charmove(top->data, top->data + top_x, strlen(top->data) -
217 	top_x + 1);
233      * text before top_x from top_data.  Free top_data when we're done
269 /* Move all the text between (top, top_x) and (bot, bot_x) in the
271  * with file_bot.  If no text is between (top, top_x) and (bot, bot_x),
274 	filestruct *top, size_t top_x, filestruct *bot, size_t bot_x)
284     /* If (top, top_x)-(bot, bot_x) doesn't cover any text, get out. */
285     if (top == bot && top_x == bot_x)
289      * (top, top_x) to (bot, bot_x), keep track of whether the top of
292     filepart = partition_filestruct(top, top_x, bot, bot_x);
303 		openfile->mark_begin_x >= top_x) &&
355 	openfile->mark_begin_x = top_x;
361     openfile->current_x = top_x;