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/* Test of vasnprintf() and asnprintf() functions.
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Copyright (C) 2007-2017 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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#include <config.h>
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#include "vasnprintf.h"
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include "macros.h"
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static void
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test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
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{
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char buf[8];
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int size;
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for (size = 0; size <= 8; size++)
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{
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size_t length = size;
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char *result = my_asnprintf (NULL, &length, "%d", 12345);
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "12345") == 0);
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ASSERT (length == 5);
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free (result);
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}
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for (size = 0; size <= 8; size++)
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{
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size_t length;
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char *result;
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memcpy (buf, "DEADBEEF", 8);
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length = size;
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result = my_asnprintf (buf, &length, "%d", 12345);
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "12345") == 0);
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ASSERT (length == 5);
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if (size < 6)
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ASSERT (result != buf);
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ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0);
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if (result != buf)
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free (result);
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}
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}
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static char *
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my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
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{
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va_list args;
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char *ret;
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va_start (args, format);
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ret = vasnprintf (resultbuf, lengthp, format, args);
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va_end (args);
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return ret;
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}
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static void
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test_vasnprintf ()
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{
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test_function (my_asnprintf);
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}
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static void
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test_asnprintf ()
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{
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test_function (asnprintf);
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}
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int
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main (int argc, char *argv[])
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{
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test_vasnprintf ();
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test_asnprintf ();
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return 0;
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}
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