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Diffstat (limited to 'gnulib-tests/test-vasprintf.c')
-rw-r--r-- | gnulib-tests/test-vasprintf.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/gnulib-tests/test-vasprintf.c b/gnulib-tests/test-vasprintf.c new file mode 100644 index 0000000..017aa5e --- /dev/null +++ b/gnulib-tests/test-vasprintf.c @@ -0,0 +1,103 @@ +/* Test of vasprintf() and asprintf() functions. + Copyright (C) 2007-2023 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 <https://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2007. */ + +#include <config.h> + +#include <stdio.h> + +#include "signature.h" +SIGNATURE_CHECK (asprintf, int, (char **, char const *, ...)); +SIGNATURE_CHECK (vasprintf, int, (char **, char const *, va_list)); + +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> + +#include "macros.h" + +static int +my_asprintf (char **result, const char *format, ...) +{ + va_list args; + int ret; + + va_start (args, format); + ret = vasprintf (result, format, args); + va_end (args); + return ret; +} + +static void +test_vasprintf () +{ + int repeat; + + for (repeat = 0; repeat <= 8; repeat++) + { + char *result; + int retval = my_asprintf (&result, "%d", 12345); + ASSERT (retval == 5); + ASSERT (result != NULL); + ASSERT (strcmp (result, "12345") == 0); + free (result); + } + + for (repeat = 0; repeat <= 8; repeat++) + { + char *result; + int retval = my_asprintf (&result, "%08lx", 12345UL); + ASSERT (retval == 8); + ASSERT (result != NULL); + ASSERT (strcmp (result, "00003039") == 0); + free (result); + } +} + +static void +test_asprintf () +{ + int repeat; + + for (repeat = 0; repeat <= 8; repeat++) + { + char *result; + int retval = asprintf (&result, "%d", 12345); + ASSERT (retval == 5); + ASSERT (result != NULL); + ASSERT (strcmp (result, "12345") == 0); + free (result); + } + + for (repeat = 0; repeat <= 8; repeat++) + { + char *result; + int retval = asprintf (&result, "%08lx", 12345UL); + ASSERT (retval == 8); + ASSERT (result != NULL); + ASSERT (strcmp (result, "00003039") == 0); + free (result); + } +} + +int +main (int argc, char *argv[]) +{ + test_vasprintf (); + test_asprintf (); + return 0; +} |