tests/test-quotearg.h

   1 /* Test of quotearg family of functions.
   2    Copyright (C) 2008-2024 Free Software Foundation, Inc.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3, or (at your option)
   7    any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Eric Blake <ebb9@byu.net>, 2008.  */
  18
  19 struct result_strings {
  20   char const *str1; /* Translation of "".  */
  21   char const *str2; /* Translation of "\0""1\0".  */
  22   size_t len2; /* Length of str2.  */
  23   char const *str3; /* Translation of "simple".  */
  24   char const *str4q; /* Translation of "\t'\t".  */
  25   char const *str4; /* Translation of " \t\n'\"\033?""?/\\".  */
  26   char const *str5; /* Translation of "a:b".  */
  27   char const *str6; /* Translation of "a\\b".  */
  28   char const *str7; /* Translation of "a' b".  */
  29   char const *str8a; /* Translation of LQ RQ, in ASCII charset.  */
  30   char const *str8b; /* Translation of LQ RQ, in Latin1 or UTF-8 charset.  */
  31 };
  32
  33 struct result_groups {
  34   struct result_strings group1; /* Via quotearg_buffer.  */
  35   struct result_strings group2; /* Via quotearg{,_mem}.  */
  36   struct result_strings group3; /* Via quotearg_colon{,_mem}.  */
  37 };
  38
  39 /* These quotes are borrowed from a pt_PT.utf8 translation.  */
  40 # define LQ "\302\253"
  41 # define RQ "\302\273"
  42 # define LQ_ENC "\\302\\253"
  43 # define RQ_ENC "\\302\\273"
  44 # define RQ_ESC "\\\302\273"
  45
  46 static struct result_strings inputs = {
  47   "", "\0001\0", 3, "simple", "\t'\t", " \t\n'\"\033?""?/\\", "a:b", "a\\b",
  48   "a' b", LQ RQ, NULL
  49 };
  50
  51 static void
  52 compare (char const *a, size_t la, char const *b, size_t lb)
  53 {
  54   ASSERT (la == lb);
  55   ASSERT (memcmp (a, b, la) == 0);
  56   ASSERT (b[lb] == '\0');
  57 }
  58
  59 static void
  60 compare_strings (char *(func) (char const *, size_t *),
  61                  struct result_strings *results, bool ascii_only)
  62 {
  63   size_t len;
  64   char *p;
  65
  66   len = 0;
  67   p = func (inputs.str1, &len);
  68   compare (results->str1, strlen (results->str1), p, len);
  69
  70   len = inputs.len2;
  71   p = func (inputs.str2, &len);
  72   compare (results->str2, results->len2, p, len);
  73
  74   len = SIZE_MAX;
  75   p = func (inputs.str3, &len);
  76   compare (results->str3, strlen (results->str3), p, len);
  77
  78   len = strlen (inputs.str4q);
  79   p = func (inputs.str4q, &len);
  80   compare (results->str4q, strlen (results->str4q), p, len);
  81
  82   len = strlen (inputs.str4);
  83   p = func (inputs.str4, &len);
  84   compare (results->str4, strlen (results->str4), p, len);
  85
  86   len = SIZE_MAX;
  87   p = func (inputs.str5, &len);
  88   compare (results->str5, strlen (results->str5), p, len);
  89
  90   len = strlen (inputs.str6);
  91   p = func (inputs.str6, &len);
  92   compare (results->str6, strlen (results->str6), p, len);
  93
  94   len = strlen (inputs.str7);
  95   p = func (inputs.str7, &len);
  96   compare (results->str7, strlen (results->str7), p, len);
  97
  98   len = strlen (inputs.str8a);
  99   p = func (inputs.str8a, &len);
 100   if (ascii_only)
 101     compare (results->str8a, strlen (results->str8a), p, len);
 102   else
 103     compare (results->str8b, strlen (results->str8b), p, len);
 104 }
 105
 106 static char *
 107 use_quotearg_buffer (const char *str, size_t *len)
 108 {
 109   static char buf[100];
 110   size_t size;
 111   memset (buf, 0xa5, 100);
 112   size = quotearg_buffer (buf, 100, str, *len, NULL);
 113   *len = size;
 114   ASSERT ((unsigned char) buf[size + 1] == 0xa5);
 115   return buf;
 116 }
 117
 118 static char *
 119 use_quotearg (const char *str, size_t *len)
 120 {
 121   char *p = *len == SIZE_MAX ? quotearg (str) : quotearg_mem (str, *len);
 122   *len = strlen (p);
 123   return p;
 124 }
 125
 126 static char *
 127 use_quotearg_colon (const char *str, size_t *len)
 128 {
 129   char *p = (*len == SIZE_MAX ? quotearg_colon (str)
 130              : quotearg_colon_mem (str, *len));
 131   *len = strlen (p);
 132   return p;
 133 }