1 /* Test of c_vsnprintf() function. 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-vsnprintf.h" 20 21 #include <locale.h> 22 #include <stdarg.h> 23 #include <stdio.h> 24 #include <string.h> 25 26 #include "macros.h" 27 28 #include <string.h> 29 30 static int 31 my_c_snprintf (char *buf, int size, const char *format, ...) /* */ 32 { 33 va_list args; 34 int ret; 35 36 va_start (args, format); 37 ret = c_vsnprintf (buf, size, format, args); 38 va_end (args); 39 return ret; 40 } 41 42 int 43 main (int argc, char *argv[]) /* */ 44 { 45 /* configure should already have checked that the locale is supported. */ 46 if (setlocale (LC_ALL, "") == NULL) 47 return 1; 48 49 /* Test behaviour of snprintf() as a "control group". 50 (We should be running in a locale where ',' is the decimal point.) */ 51 { 52 char s[16]; 53 54 snprintf (s, sizeof s, "%#.0f", 1.0); 55 if (!strcmp (s, "1.")) 56 { 57 /* Skip the test, since we're not in a useful locale for testing. */ 58 return 77; 59 } 60 ASSERT (!strcmp (s, "1,")); 61 } 62 63 /* Test behaviour of c_vsnprintf(). 64 It should always use '.' as the decimal point. */ 65 { 66 char s[16]; 67 68 my_c_snprintf (s, sizeof s, "%#.0f", 1.0); 69 ASSERT (!strcmp (s, "1.")); 70 } 71 72 return 0; 73 }