glibc/stdio-common/tst-sprintf.c
Zack Weinberg e15f7de60c Split DIAG_* macros to new header libc-diag.h.
Quite a few tests include libc-internal.h just for the DIAG_* macros.
Split those macros to their own file, which can be included safely in
_ISOMAC mode.  I also moved ignore_value, since it seems logically
related, even though I didn't notice any tests needing it.

Also add -Wnonnull suppressions to two tests that _should_ have them,
but the error is masked when compiling against internal headers.

	* include/libc-diag.h: New file.  Define ignore_value,
	DIAG_PUSH_NEEDS_COMMENT, DIAG_POP_NEEDS_COMMENT,
	DIAG_IGNORE_NEEDS_COMMENT, and DIAG_IGNORE_Os_NEEDS_COMMENT here.

	* include/libc-internal.h: Definitions of above macros moved from
	here.  Include libc-diag.h.  Add copyright notice.

	* malloc/tst-malloc.c, malloc/tst-memcheck.c, malloc/tst-realloc.c
	* misc/tst-error1.c, posix/tst-dir.c, stdio-common/bug21.c
	* stdio-common/scanf14.c, stdio-common/scanf4.c, stdio-common/scanf7.c
	* stdio-common/test-vfprintf.c, stdio-common/tst-printf.c
	* stdio-common/tst-printfsz.c, stdio-common/tst-sprintf.c
	* stdio-common/tst-unlockedio.c, stdio-common/tstdiomisc.c
	* stdlib/bug-getcontext.c, string/tester.c, string/tst-endian.c
	* time/tst-strptime2.c, wcsmbs/tst-wcstof.c:
	Include libc-diag.h instead of libc-internal.h.

	* stdlib/tst-environ.c: Include libc-diag.h.  Suppress -Wnonnull for
	call to unsetenv (NULL).
	* nptl/tst-mutex1.c: Include libc-diag.h.  Suppress -Wnonnull for
	call to pthread_mutexattr_destroy (NULL).
2017-02-25 09:59:46 -05:00

91 lines
2.1 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <string.h>
#include <libc-diag.h>
static int
do_test (void)
{
char buf[100];
int result = 0;
if (sprintf (buf, "%.0ls", L"foo") != 0
|| strlen (buf) != 0)
{
puts ("sprintf (buf, \"%.0ls\", L\"foo\") produced some output");
result = 1;
}
#define SIZE (1024*70000)
#define STR(x) #x
char *dst = malloc (SIZE + 1);
if (dst == NULL)
{
puts ("memory allocation failure");
result = 1;
}
else
{
sprintf (dst, "%*s", SIZE, "");
if (strnlen (dst, SIZE + 1) != SIZE)
{
puts ("sprintf (dst, \"%*s\", " STR(SIZE) ", \"\") did not produce enough output");
result = 1;
}
free (dst);
}
if (sprintf (buf, "%1$d%3$.*2$s%4$d", 7, 67108863, "x", 8) != 3
|| strcmp (buf, "7x8") != 0)
{
printf ("sprintf (buf, \"%%1$d%%3$.*2$s%%4$d\", 7, 67108863, \"x\", 8) produced `%s' output", buf);
result = 1;
}
/* We are testing a corner case of the sprintf format string here. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
int n = sprintf (buf, "%67108863.16\"%d", 7);
DIAG_POP_NEEDS_COMMENT;
if (n != 14 || strcmp (buf, "%67108863.16\"7") != 0)
{
printf ("sprintf (buf, \"%%67108863.16\\\"%%d\", 7) produced `%s' output",
buf);
result = 1;
}
/* We are testing a corner case of the sprintf format string here. */
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
n = sprintf (buf, "%*\"%d", 0x3ffffff, 7);
DIAG_POP_NEEDS_COMMENT;
if (n != 11 || strcmp (buf, "%67108863\"7") != 0)
{
printf ("sprintf (buf, \"%%*\\\"%%d\", 0x3ffffff, 7) produced `%s' output", buf);
result = 1;
}
if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
{
puts ("cannot set locale");
result = 1;
}
else if (sprintf (buf, "%.8s\n", "Foo: \277") != 7
|| strcmp (buf, "Foo: \277\n") != 0)
{
printf ("sprintf (buf, \"%%.8s\\n\", \"Foo: \\277\") produced '%s' output\n", buf);
result = 1;
}
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"