lib/stringlist.c

   1 #include <common.h>
   2 #include <xfuncs.h>
   3 #include <malloc.h>
   4 #include <stringlist.h>
   5
   6 int string_list_add(struct string_list *sl, char *str)
   7 {
   8         struct string_list *new;
   9
  10         new = xmalloc(sizeof(struct string_list) + strlen(str) + 1);
  11
  12         strcpy(new->str, str);
  13
  14         list_add_tail(&new->list, &sl->list);
  15
  16         return 0;
  17 }
  18
  19 void string_list_print_by_column(struct string_list *sl)
  20 {
  21         int len = 0, num, i;
  22         struct string_list *entry;
  23
  24         list_for_each_entry(entry, &sl->list, list) {
  25                 int l = strlen(entry->str) + 4;
  26                 if (l > len)
  27                         len = l;
  28         }
  29
  30         if (!len)
  31                 return;
  32
  33         num = 80 / (len + 1);
  34         if (len == 0)
  35                 len = 1;
  36
  37         i = 0;
  38         list_for_each_entry(entry, &sl->list, list) {
  39                 if (!(++i % num))
  40                         printf("%s\n", entry->str);
  41                 else
  42                         printf("%-*s", len, entry->str);
  43         }
  44         if (i % num)
  45                 printf("\n");
  46 }