src/basic/ordered-set.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2016 Lennart Poettering
   4 ***/
   5
   6 #include "ordered-set.h"
   7 #include "strv.h"
   8
   9 int ordered_set_consume(OrderedSet *s, void *p) {
  10         int r;
  11
  12         r = ordered_set_put(s, p);
  13         if (r <= 0)
  14                 free(p);
  15
  16         return r;
  17 }
  18
  19 int ordered_set_put_strdup(OrderedSet *s, const char *p) {
  20         char *c;
  21         int r;
  22
  23         assert(s);
  24         assert(p);
  25
  26         c = strdup(p);
  27         if (!c)
  28                 return -ENOMEM;
  29
  30         r = ordered_set_consume(s, c);
  31         if (r == -EEXIST)
  32                 return 0;
  33
  34         return r;
  35 }
  36
  37 int ordered_set_put_strdupv(OrderedSet *s, char **l) {
  38         int n = 0, r;
  39         char **i;
  40
  41         STRV_FOREACH(i, l) {
  42                 r = ordered_set_put_strdup(s, *i);
  43                 if (r < 0)
  44                         return r;
  45
  46                 n += r;
  47         }
  48
  49         return n;
  50 }