ed

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ed.c (896B)

      1 #include <stdio.h>
      2 #include <stdlib.h>
      3 #include <stdbool.h>
      4 #include <string.h>
      5 
      6 #include "types.h"
      7 #include "util.h"
      8 #include "parse.h"
      9 
     10 dl_list *
     11 convert_file(char *file) {
     12 	dl_list *current = NULL, *prev = NULL, *start;
     13 	char *line_end;
     14 	bool end = false;
     15 
     16 	while (!end) {
     17 		if ((line_end = strchr(file, '\n')))
     18 			*line_end = 0;
     19 		else {
     20 			*(line_end = strchr(file, 0)) = 0;
     21 			end = true;
     22 		}
     23 
     24 		if (!current) {
     25 			current = zmalloc(sizeof(dl_list));
     26 			start = current;
     27 		}
     28 
     29 		current->str = strdup(file);
     30 		current->next = zmalloc(sizeof(dl_list));
     31 		current->prev = prev;
     32 		prev = current;
     33 		current = current->next;
     34 
     35 		file = line_end + 1;
     36 	}
     37 
     38 	return start;
     39 }
     40 
     41 int
     42 main() {
     43 	FILE *f = fopen("ed.c", "r");
     44 	char *raw_file;
     45 	dl_list *file;
     46 
     47 	if (!f)
     48 		return 1;
     49 
     50 	raw_file = drain_file(f);
     51 
     52 	file = convert_file(raw_file);
     53 
     54 	fclose(f);
     55 	free(raw_file);
     56 	free_dl_list(file);
     57 	return 0;
     58 }