1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <locale.h>
4 #include <string.h>
5 #include <libc-diag.h>
6
7
8 static int
do_test(void)9 do_test (void)
10 {
11 char buf[100];
12 int result = 0;
13
14 if (sprintf (buf, "%.0ls", L"foo") != 0
15 || strlen (buf) != 0)
16 {
17 puts ("sprintf (buf, \"%.0ls\", L\"foo\") produced some output");
18 result = 1;
19 }
20
21 #define SIZE (1024*70000)
22 #define STR(x) #x
23
24 char *dst = malloc (SIZE + 1);
25
26 if (dst == NULL)
27 {
28 puts ("memory allocation failure");
29 result = 1;
30 }
31 else
32 {
33 sprintf (dst, "%*s", SIZE, "");
34 if (strnlen (dst, SIZE + 1) != SIZE)
35 {
36 puts ("sprintf (dst, \"%*s\", " STR(SIZE) ", \"\") did not produce enough output");
37 result = 1;
38 }
39 free (dst);
40 }
41
42 if (sprintf (buf, "%1$d%3$.*2$s%4$d", 7, 67108863, "x", 8) != 3
43 || strcmp (buf, "7x8") != 0)
44 {
45 printf ("sprintf (buf, \"%%1$d%%3$.*2$s%%4$d\", 7, 67108863, \"x\", 8) produced `%s' output", buf);
46 result = 1;
47 }
48
49 /* We are testing a corner case of the sprintf format string here. */
50 DIAG_PUSH_NEEDS_COMMENT;
51 DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
52 int n = sprintf (buf, "%67108863.16\"%d", 7);
53 DIAG_POP_NEEDS_COMMENT;
54
55 if (n != 14 || strcmp (buf, "%67108863.16\"7") != 0)
56 {
57 printf ("sprintf (buf, \"%%67108863.16\\\"%%d\", 7) produced `%s' output",
58 buf);
59 result = 1;
60 }
61
62 /* We are testing a corner case of the sprintf format string here. */
63 DIAG_PUSH_NEEDS_COMMENT;
64 DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
65 n = sprintf (buf, "%*\"%d", 0x3ffffff, 7);
66 DIAG_POP_NEEDS_COMMENT;
67
68 if (n != 11 || strcmp (buf, "%67108863\"7") != 0)
69 {
70 printf ("sprintf (buf, \"%%*\\\"%%d\", 0x3ffffff, 7) produced `%s' output", buf);
71 result = 1;
72 }
73
74 if (setlocale (LC_ALL, "de_DE.UTF-8") == NULL)
75 {
76 puts ("cannot set locale");
77 result = 1;
78 }
79 else if (sprintf (buf, "%.8s\n", "Foo: \277") != 7
80 || strcmp (buf, "Foo: \277\n") != 0)
81 {
82 printf ("sprintf (buf, \"%%.8s\\n\", \"Foo: \\277\") produced '%s' output\n", buf);
83 result = 1;
84 }
85
86 return result;
87 }
88
89 #define TEST_FUNCTION do_test ()
90 #include "../test-skeleton.c"
91