1 /* Test of c_xasprintf() and c_xvasprintf() functions. 2 Copyright (C) 2011-2021 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 <https://www.gnu.org/licenses/>. */ 16 17 #include <config.h> 18 19 #include "c-xvasprintf.h" 20 21 #include <locale.h> 22 #include <stdio.h> 23 #include <string.h> 24 25 #include "macros.h" 26 27 static char * 28 my_c_xasprintf (const char *format, ...) /* */ 29 { 30 va_list args; 31 char *s; 32 33 va_start (args, format); 34 s = c_xvasprintf (format, args); 35 va_end (args); 36 37 return s; 38 } 39 40 int 41 main (int argc, char *argv[]) /* */ 42 { 43 /* configure should already have checked that the locale is supported. */ 44 if (setlocale (LC_ALL, "") == NULL) 45 return 1; 46 47 /* Test behaviour of snprintf() as a "control group". 48 (We should be running in a locale where ',' is the decimal point.) */ 49 { 50 char s[16]; 51 52 snprintf (s, sizeof s, "%#.0f", 1.0); 53 if (!strcmp (s, "1.")) 54 { 55 /* Skip the test, since we're not in a useful locale for testing. */ 56 return 77; 57 } 58 ASSERT (!strcmp (s, "1,")); 59 } 60 61 /* Test behaviour of c_xasprintf() and c_xvasprintf(). 62 They should always use '.' as the decimal point. */ 63 { 64 char *s; 65 66 s = c_xasprintf ("%#.0f", 1.0); 67 ASSERT (s != NULL); 68 ASSERT (!strcmp (s, "1.")); 69 free (s); 70 71 s = my_c_xasprintf ("%#.0f", 1.0); 72 ASSERT (s != NULL); 73 ASSERT (!strcmp (s, "1.")); 74 free (s); 75 } 76 77 return 0; 78 }