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136 lines
3.3 KiB
C
136 lines
3.3 KiB
C
/* Test of xvasprintf() and xasprintf() 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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/* Tell GCC not to warn about the specific edge cases tested here. */
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#if (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) || 4 < __GNUC__
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# pragma GCC diagnostic ignored "-Wformat-zero-length"
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# pragma GCC diagnostic ignored "-Wformat-nonliteral"
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# pragma GCC diagnostic ignored "-Wformat-security"
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#endif
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#include <config.h>
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#include "xvasprintf.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 char *
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my_xasprintf (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 = xvasprintf (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_xvasprintf (void)
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{
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int repeat;
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char *result;
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for (repeat = 0; repeat <= 8; repeat++)
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{
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result = my_xasprintf ("%d", 12345);
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "12345") == 0);
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free (result);
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}
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{
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/* Silence gcc warning about zero-length format string. */
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const char *empty = "";
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result = my_xasprintf (empty);
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "") == 0);
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free (result);
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}
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result = my_xasprintf ("%s", "foo");
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "foo") == 0);
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free (result);
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result = my_xasprintf ("%s%s", "foo", "bar");
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "foobar") == 0);
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free (result);
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result = my_xasprintf ("%s%sbaz", "foo", "bar");
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "foobarbaz") == 0);
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free (result);
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}
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static void
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test_xasprintf (void)
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{
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int repeat;
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char *result;
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for (repeat = 0; repeat <= 8; repeat++)
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{
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result = xasprintf ("%d", 12345);
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "12345") == 0);
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free (result);
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}
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{
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/* Silence gcc warning about zero-length format string,
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and about "format not a string literal and no format"
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(whatever that means) . */
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const char *empty = "";
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result = xasprintf (empty, empty);
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "") == 0);
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free (result);
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}
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result = xasprintf ("%s", "foo");
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "foo") == 0);
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free (result);
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result = xasprintf ("%s%s", "foo", "bar");
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "foobar") == 0);
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free (result);
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result = my_xasprintf ("%s%sbaz", "foo", "bar");
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ASSERT (result != NULL);
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ASSERT (strcmp (result, "foobarbaz") == 0);
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free (result);
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}
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int
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main (int argc _GL_UNUSED, char *argv[])
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{
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test_xvasprintf ();
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test_xasprintf ();
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return 0;
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}
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