float128: Add private _Float128 declarations for libm.
[glibc.git] / time / tst-strftime.c
blobaf3ff72faf9588126fb269b0e9080357c32b5fcb
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
4 #include <time.h>
7 static int
8 do_bz18985 (void)
10 char buf[1000];
11 struct tm ttm;
12 int rc, ret = 0;
14 memset (&ttm, 1, sizeof (ttm));
15 ttm.tm_zone = NULL; /* Dereferenced directly if non-NULL. */
16 rc = strftime (buf, sizeof (buf), "%a %A %b %B %c %z %Z", &ttm);
18 if (rc == 66)
20 const char expected[]
21 = "? ? ? ? ? ? 16843009 16843009:16843009:16843009 16844909 +467836 ?";
22 if (0 != strcmp (buf, expected))
24 printf ("expected:\n %s\ngot:\n %s\n", expected, buf);
25 ret += 1;
28 else
30 printf ("expected 66, got %d\n", rc);
31 ret += 1;
34 /* Check negative values as well. */
35 memset (&ttm, 0xFF, sizeof (ttm));
36 ttm.tm_zone = NULL; /* Dereferenced directly if non-NULL. */
37 rc = strftime (buf, sizeof (buf), "%a %A %b %B %c %z %Z", &ttm);
39 if (rc == 30)
41 const char expected[] = "? ? ? ? ? ? -1 -1:-1:-1 1899 ";
42 if (0 != strcmp (buf, expected))
44 printf ("expected:\n %s\ngot:\n %s\n", expected, buf);
45 ret += 1;
48 else
50 printf ("expected 30, got %d\n", rc);
51 ret += 1;
54 return ret;
57 static struct
59 const char *fmt;
60 size_t min;
61 size_t max;
62 } tests[] =
64 { "%2000Y", 2000, 4000 },
65 { "%02000Y", 2000, 4000 },
66 { "%_2000Y", 2000, 4000 },
67 { "%-2000Y", 2000, 4000 },
69 #define ntests (sizeof (tests) / sizeof (tests[0]))
72 static int
73 do_test (void)
75 size_t cnt;
76 int result = 0;
78 time_t tnow = time (NULL);
79 struct tm *now = localtime (&tnow);
81 for (cnt = 0; cnt < ntests; ++cnt)
83 size_t size = 0;
84 int res;
85 char *buf = NULL;
89 size += 500;
90 buf = (char *) realloc (buf, size);
91 if (buf == NULL)
93 puts ("out of memory");
94 exit (1);
97 res = strftime (buf, size, tests[cnt].fmt, now);
98 if (res != 0)
99 break;
101 while (size < tests[cnt].max);
103 if (res == 0)
105 printf ("%Zu: %s: res == 0 despite size == %Zu\n",
106 cnt, tests[cnt].fmt, size);
107 result = 1;
109 else if (size < tests[cnt].min)
111 printf ("%Zu: %s: size == %Zu was enough\n",
112 cnt, tests[cnt].fmt, size);
113 result = 1;
115 else
116 printf ("%Zu: %s: size == %Zu: OK\n", cnt, tests[cnt].fmt, size);
118 free (buf);
121 struct tm ttm =
123 /* Initialize the fields which are needed in the tests. */
124 .tm_mday = 1,
125 .tm_hour = 2
127 const struct
129 const char *fmt;
130 const char *exp;
131 size_t n;
132 } ftests[] =
134 { "%-e", "1", 1 },
135 { "%-k", "2", 1 },
136 { "%-l", "2", 1 },
138 #define nftests (sizeof (ftests) / sizeof (ftests[0]))
139 for (cnt = 0; cnt < nftests; ++cnt)
141 char buf[100];
142 size_t r = strftime (buf, sizeof (buf), ftests[cnt].fmt, &ttm);
143 if (r != ftests[cnt].n)
145 printf ("strftime(\"%s\") returned %zu not %zu\n",
146 ftests[cnt].fmt, r, ftests[cnt].n);
147 result = 1;
149 if (strcmp (buf, ftests[cnt].exp) != 0)
151 printf ("strftime(\"%s\") produced \"%s\" not \"%s\"\n",
152 ftests[cnt].fmt, buf, ftests[cnt].exp);
153 result = 1;
157 return result + do_bz18985 ();
160 #define TEST_FUNCTION do_test ()
161 #include "../test-skeleton.c"