mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <locale.h>
|
|
#include <string.h>
|
|
#include <libc-internal.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"
|