1 /* Uppercase mapping for UTF-8 strings (locale dependent).
2    Copyright (C) 2009-2021 Free Software Foundation, Inc.
3    Written by Bruno Haible <bruno@clisp.org>, 2009.
4 
5    This file is free software.
6    It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
7    You can redistribute it and/or modify it under either
8      - the terms of the GNU Lesser General Public License as published
9        by the Free Software Foundation; either version 3, or (at your
10        option) any later version, or
11      - the terms of the GNU General Public License as published by the
12        Free Software Foundation; either version 2, or (at your option)
13        any later version, or
14      - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
15 
16    This file is distributed in the hope that it will be useful,
17    but WITHOUT ANY WARRANTY; without even the implied warranty of
18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
19    Lesser General Public License and the GNU General Public License
20    for more details.
21 
22    You should have received a copy of the GNU Lesser General Public
23    License and of the GNU General Public License along with this
24    program.  If not, see <https://www.gnu.org/licenses/>.  */
25 
26 #include <config.h>
27 
28 /* Specification.  */
29 #include "unicase.h"
30 
31 #include <stddef.h>
32 
33 #include "unicase/unicasemap.h"
34 #include "unicase/special-casing.h"
35 
36 uint8_t *
u8_toupper(const uint8_t * s,size_t n,const char * iso639_language,uninorm_t nf,uint8_t * resultbuf,size_t * lengthp)37 u8_toupper (const uint8_t *s, size_t n, const char *iso639_language,
38             uninorm_t nf,
39             uint8_t *resultbuf, size_t *lengthp)
40 {
41   return u8_casemap (s, n,
42                      unicase_empty_prefix_context, unicase_empty_suffix_context,
43                      iso639_language,
44                      uc_toupper, offsetof (struct special_casing_rule, upper[0]),
45                      nf,
46                      resultbuf, lengthp);
47 }
48 
49 
50 #ifdef TEST
51 
52 #include <locale.h>
53 #include <stdio.h>
54 #include <stdlib.h>
55 #include <string.h>
56 
57 /* Read the contents of an input stream, and return it, terminated with a NUL
58    byte. */
59 char *
read_file(FILE * stream)60 read_file (FILE *stream)
61 {
62 #define BUFSIZE 4096
63   char *buf = NULL;
64   int alloc = 0;
65   int size = 0;
66   int count;
67 
68   while (! feof (stream))
69     {
70       if (size + BUFSIZE > alloc)
71         {
72           alloc = alloc + alloc / 2;
73           if (alloc < size + BUFSIZE)
74             alloc = size + BUFSIZE;
75           buf = realloc (buf, alloc);
76           if (buf == NULL)
77             {
78               fprintf (stderr, "out of memory\n");
79               exit (1);
80             }
81         }
82       count = fread (buf + size, 1, BUFSIZE, stream);
83       if (count == 0)
84         {
85           if (ferror (stream))
86             {
87               perror ("fread");
88               exit (1);
89             }
90         }
91       else
92         size += count;
93     }
94   buf = realloc (buf, size + 1);
95   if (buf == NULL)
96     {
97       fprintf (stderr, "out of memory\n");
98       exit (1);
99     }
100   buf[size] = '\0';
101   return buf;
102 #undef BUFSIZE
103 }
104 
105 int
main(int argc,char * argv[])106 main (int argc, char * argv[])
107 {
108   setlocale (LC_ALL, "");
109   if (argc == 1)
110     {
111       /* Display the upper case of the input string.  */
112       char *input = read_file (stdin);
113       int length = strlen (input);
114       size_t output_length;
115       uint8_t *output =
116         u8_toupper ((uint8_t *) input, length, uc_locale_language (),
117                     NULL,
118                     NULL, &output_length);
119 
120       fwrite (output, 1, output_length, stdout);
121 
122       return 0;
123     }
124   else
125     return 1;
126 }
127 
128 #endif /* TEST */
129