1 /* Test of conversion of wide character to multibyte character. 2 Copyright (C) 2008-2011 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 of the License, or 7 (at your option) 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 <http://www.gnu.org/licenses/>. */ 16 17 /* Written by Bruno Haible <bruno@clisp.org>, 2008. */ 18 19 #include <assert.h> 20 #include <locale.h> 21 #include <stdlib.h> 22 #include <string.h> 23 #include <wchar.h> 24 25 /* Check the multibyte character s[0..n-1]. */ 26 static void 27 check_character (const char *s, size_t n) 28 { 29 wchar_t wc; 30 char buf[64]; 31 int iret; 32 size_t ret; 33 34 wc = (wchar_t) 0xBADFACE; 35 iret = mbtowc (&wc, s, n); 36 assert (iret == (int)n); 37 38 ret = wcrtomb (buf, wc, NULL); 39 assert (ret == n); 40 assert (memcmp (buf, s, n) == 0); 41 42 /* Test special calling convention, passing a NULL pointer. */ 43 ret = wcrtomb (NULL, wc, NULL); 44 45 assert (ret == 1); 46 } 47 48 int 49 main (int argc, char *argv[]) 50 { 51 char buf[64]; 52 size_t ret; 53 int i; 54 55 /* configure should already have checked that the locale is supported. */ 56 if (setlocale (LC_ALL, "") == NULL) { 57 fprintf(stderr, "unable to set standard locale\n"); 58 return 1; 59 } 60 61 /* Test NUL character. */ 62 printf("NUL character ...\n"); 63 { 64 buf[0] = 'x'; 65 ret = wcrtomb (buf, 0, NULL); 66 assert (ret == 1); 67 assert (buf[0] == '\0'); 68 } 69 70 /* Test single bytes. */ 71 printf("single bytes ...\n"); 72 { 73 int c; 74 75 for (c = 0; c < 0x100; c++) 76 switch (c) 77 { 78 case '\t': case '\v': case '\f': 79 case ' ': case '!': case '"': case '#': case '%': 80 case '&': case '\'': case '(': case ')': case '*': 81 case '+': case ',': case '-': case '.': case '/': 82 case '0': case '1': case '2': case '3': case '4': 83 case '5': case '6': case '7': case '8': case '9': 84 case ':': case ';': case '<': case '=': case '>': 85 case '?': 86 case 'A': case 'B': case 'C': case 'D': case 'E': 87 case 'F': case 'G': case 'H': case 'I': case 'J': 88 case 'K': case 'L': case 'M': case 'N': case 'O': 89 case 'P': case 'Q': case 'R': case 'S': case 'T': 90 case 'U': case 'V': case 'W': case 'X': case 'Y': 91 case 'Z': 92 case '[': case '\\': case ']': case '^': case '_': 93 case 'a': case 'b': case 'c': case 'd': case 'e': 94 case 'f': case 'g': case 'h': case 'i': case 'j': 95 case 'k': case 'l': case 'm': case 'n': case 'o': 96 case 'p': case 'q': case 'r': case 's': case 't': 97 case 'u': case 'v': case 'w': case 'x': case 'y': 98 case 'z': case '{': case '|': case '}': case '~': 99 /* c is in the ISO C "basic character set". */ 100 ret = wcrtomb (buf, btowc (c), NULL); 101 assert (ret == 1); 102 assert (buf[0] == (char) c); 103 break; 104 } 105 } 106 107 /* Test special calling convention, passing a NULL pointer. */ 108 printf("special calling convention with NULL pointer ...\n"); 109 { 110 ret = wcrtomb (NULL, '\0', NULL); 111 assert (ret == 1); 112 ret = wcrtomb (NULL, btowc ('x'), NULL); 113 assert (ret == 1); 114 } 115 116 for (i = '1'; i <= '4'; ++i) { 117 switch (i) 118 { 119 case '1': 120 /* Locale encoding is ISO-8859-1 or ISO-8859-15. */ 121 printf("ISO8859-1 ...\n"); 122 { 123 const char input[] = "B\374\337er"; /* "Büßer" */ 124 125 if (setlocale (LC_ALL, "en_US.ISO8859-1") == NULL) { 126 fprintf(stderr, "unable to set ISO8859-1 locale, skipping\n"); 127 break; 128 } 129 130 check_character (input + 1, 1); 131 check_character (input + 2, 1); 132 } 133 break; 134 135 case '2': 136 /* Locale encoding is UTF-8. */ 137 printf("UTF-8 ...\n"); 138 { 139 const char input[] = "B\303\274\303\237er"; /* "Büßer" */ 140 141 if (setlocale (LC_ALL, "en_US.UTF-8") == NULL) { 142 fprintf(stderr, "unable to set UTF-8 locale, skipping\n"); 143 break; 144 } 145 146 check_character (input + 1, 2); 147 check_character (input + 3, 2); 148 } 149 break; 150 151 case '3': 152 /* Locale encoding is EUC-JP. */ 153 printf("EUC-JP ...\n"); 154 { 155 const char input[] = "<\306\374\313\334\270\354>"; /* "<日本語>" */ 156 157 if (setlocale (LC_ALL, "en_US.EUC-JP") == NULL) { 158 fprintf(stderr, "unable to set EUC-JP locale, skipping\n"); 159 break; 160 } 161 162 check_character (input + 1, 2); 163 check_character (input + 3, 2); 164 check_character (input + 5, 2); 165 } 166 break; 167 168 case '4': 169 /* Locale encoding is GB18030. */ 170 printf("GB18030 ...\n"); 171 { 172 const char input[] = "B\250\271\201\060\211\070er"; /* "Büßer" */ 173 174 if (setlocale (LC_ALL, "en_US.GB18030") == NULL) { 175 fprintf(stderr, "unable to set GB18030 locale, skipping\n"); 176 break; 177 } 178 179 check_character (input + 1, 2); 180 check_character (input + 3, 4); 181 } 182 break; 183 } 184 } 185 186 return 0; 187 } 188