| /* Test of vasnprintf() and asnprintf() functions. |
| Copyright (C) 2007-2016 Free Software Foundation, Inc. |
| |
| This program is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| /* Written by Bruno Haible <bruno@clisp.org>, 2007. */ |
| |
| #include <config.h> |
| |
| #include "vasnprintf.h" |
| |
| #include <stdarg.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "macros.h" |
| |
| static void |
| test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...)) |
| { |
| char buf[8]; |
| int size; |
| |
| for (size = 0; size <= 8; size++) |
| { |
| size_t length = size; |
| char *result = my_asnprintf (NULL, &length, "%d", 12345); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12345") == 0); |
| ASSERT (length == 5); |
| free (result); |
| } |
| |
| for (size = 0; size <= 8; size++) |
| { |
| size_t length; |
| char *result; |
| |
| memcpy (buf, "DEADBEEF", 8); |
| length = size; |
| result = my_asnprintf (buf, &length, "%d", 12345); |
| ASSERT (result != NULL); |
| ASSERT (strcmp (result, "12345") == 0); |
| ASSERT (length == 5); |
| if (size < 6) |
| ASSERT (result != buf); |
| ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0); |
| if (result != buf) |
| free (result); |
| } |
| } |
| |
| static char * |
| my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...) |
| { |
| va_list args; |
| char *ret; |
| |
| va_start (args, format); |
| ret = vasnprintf (resultbuf, lengthp, format, args); |
| va_end (args); |
| return ret; |
| } |
| |
| static void |
| test_vasnprintf () |
| { |
| test_function (my_asnprintf); |
| } |
| |
| static void |
| test_asnprintf () |
| { |
| test_function (asnprintf); |
| } |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| test_vasnprintf (); |
| test_asnprintf (); |
| return 0; |
| } |