This source file includes following definitions.
- my_snprintf
- main
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19 #include <config.h>
20
21 #include <stdio.h>
22
23 #include "signature.h"
24 SIGNATURE_CHECK (vsnprintf, int, (char *, size_t, char const *, va_list));
25
26 #include <stdarg.h>
27 #include <string.h>
28
29 #include "macros.h"
30
31 static int
32 my_snprintf (char *buf, int size, const char *format, ...)
33 {
34 va_list args;
35 int ret;
36
37 va_start (args, format);
38 ret = vsnprintf (buf, size, format, args);
39 va_end (args);
40 return ret;
41 }
42
43 int
44 main (int argc, char *argv[])
45 {
46 char buf[8];
47 int size;
48 int retval;
49
50 retval = my_snprintf (NULL, 0, "%d", 12345);
51 ASSERT (retval == 5);
52
53 for (size = 0; size <= 8; size++)
54 {
55 memcpy (buf, "DEADBEEF", 8);
56 retval = my_snprintf (buf, size, "%d", 12345);
57 ASSERT (retval == 5);
58 if (size < 6)
59 {
60 if (size > 0)
61 {
62 ASSERT (memcmp (buf, "12345", size - 1) == 0);
63 ASSERT (buf[size - 1] == '\0' || buf[size - 1] == '0' + size);
64 }
65 #if !CHECK_VSNPRINTF_POSIX
66 if (size > 0)
67 #endif
68 ASSERT (memcmp (buf + size, &"DEADBEEF"[size], 8 - size) == 0);
69 }
70 else
71 {
72 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
73 }
74 }
75
76
77 {
78 char result[100];
79 retval = my_snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
80 ASSERT (strcmp (result, "55 33") == 0);
81 ASSERT (retval == strlen (result));
82 }
83
84 return 0;
85 }