src/basic/nulstr-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <string.h>
   5
   6 #include "forward.h"
   7
   8 #define NULSTR_FOREACH(i, l)                                    \
   9         for (typeof(*(l)) *(i) = (l); (i) && *(i); (i) = strchr((i), 0)+1)
  10
  11 #define NULSTR_FOREACH_PAIR(i, j, l)                             \
  12         for (typeof(*(l)) *(i) = (l), *(j) = strchr((i), 0)+1; (i) && *(i); (i) = strchr((j), 0)+1, (j) = *(i) ? strchr((i), 0)+1 : (i))
  13
  14 const char* nulstr_get(const char *nulstr, const char *needle);
  15 static inline bool nulstr_contains(const char *nulstr, const char *needle) {
  16         return nulstr_get(nulstr, needle);
  17 }
  18
  19 char** strv_parse_nulstr_full(const char *s, size_t l, bool drop_trailing_nuls);
  20 static inline char** strv_parse_nulstr(const char *s, size_t l) {
  21         return strv_parse_nulstr_full(s, l, false);
  22 }
  23 char** strv_split_nulstr(const char *s);
  24 static inline int strv_from_nulstr(char ***ret, const char *nulstr) {
  25         char **t;
  26
  27         assert(ret);
  28
  29         t = strv_split_nulstr(nulstr);
  30         if (!t)
  31                 return -ENOMEM;
  32
  33         *ret = t;
  34         return 0;
  35 }
  36
  37 int strv_make_nulstr(char * const *l, char **p, size_t *n);
  38 int set_make_nulstr(Set *s, char **ret, size_t *ret_size);