db/strvec.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6
   7 #include "libxfs.h"
   8 #include "strvec.h"
   9 #include "output.h"
  10 #include "malloc.h"
  11
  12 static int      count_strvec(char **vec);
  13
  14 void
  15 add_strvec(
  16         char    ***vecp,
  17         char    *str)
  18 {
  19         char    *dup;
  20         int     i;
  21         char    **vec;
  22
  23         dup = xstrdup(str);
  24         vec = *vecp;
  25         i = count_strvec(vec);
  26         vec = xrealloc(vec, sizeof(*vec) * (i + 2));
  27         vec[i] = dup;
  28         vec[i + 1] = NULL;
  29         *vecp = vec;
  30 }
  31
  32 char **
  33 copy_strvec(
  34         char    **vec)
  35 {
  36         int     i;
  37         char    **rval;
  38
  39         i = count_strvec(vec);
  40         rval = new_strvec(i);
  41         for (i = 0; vec[i] != NULL; i++)
  42                 rval[i] = xstrdup(vec[i]);
  43         return rval;
  44 }
  45
  46 static int
  47 count_strvec(
  48         char    **vec)
  49 {
  50         int     i;
  51
  52         for (i = 0; vec[i] != NULL; i++)
  53                 continue;
  54         return i;
  55 }
  56
  57 void
  58 free_strvec(
  59         char    **vec)
  60 {
  61         int     i;
  62
  63         for (i = 0; vec[i] != NULL; i++)
  64                 xfree(vec[i]);
  65         xfree(vec);
  66 }
  67
  68 char **
  69 new_strvec(
  70         int     count)
  71 {
  72         char    **rval;
  73
  74         rval = xmalloc(sizeof(*rval) * (count + 1));
  75         rval[count] = NULL;
  76         return rval;
  77 }
  78
  79 void
  80 print_strvec(
  81         char    **vec)
  82 {
  83         int     i;
  84
  85         for (i = 0; vec[i] != NULL; i++)
  86                 dbprintf("%s", vec[i]);
  87 }