1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
#serial 4
AC_DEFUN(jm_STRFTIME_PREREQS,
[
dnl strftime.c uses localtime_r if it exists. Check for it.
AC_CHECK_FUNCS(localtime_r)
dnl FIXME: add tests for everything in strftime.c: e.g., HAVE_BCOPY,
dnl HAVE_TZNAME, HAVE_TZSET, HAVE_TM_ZONE, etc.
])
dnl From Jim Meyering.
dnl If you use this macro in a package, you should
dnl add the following two lines to acconfig.h:
dnl /* Define to gnu_strftime if the replacement function should be used. */
dnl #undef strftime
dnl
AC_DEFUN(jm_FUNC_GNU_STRFTIME,
[AC_REQUIRE([AC_HEADER_TIME])dnl
jm_STRFTIME_PREREQS
AC_REQUIRE([AC_C_CONST])dnl
AC_REQUIRE([AC_HEADER_STDC])dnl
AC_CHECK_HEADERS(sys/time.h)
AC_CACHE_CHECK([for working GNU strftime], jm_cv_func_working_gnu_strftime,
[AC_TRY_RUN(
changequote(<<, >>)dnl
<< /* Ulrich Drepper provided parts of the test program. */
#if STDC_HEADERS
# include <stdlib.h>
#endif
#if TIME_WITH_SYS_TIME
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
#endif
static int
compare (const char *fmt, const struct tm *tm, const char *expected)
{
char buf[99];
strftime (buf, 99, fmt, tm);
if (strcmp (buf, expected))
{
#ifdef SHOW_FAILURES
printf ("fmt: \"%s\", expected \"%s\", got \"%s\"\n",
fmt, expected, buf);
#endif
return 1;
}
return 0;
}
int
main ()
{
int n_fail = 0;
struct tm *tm;
time_t t = 738367; /* Fri Jan 9 13:06:07 1970 */
tm = gmtime (&t);
/* This is necessary to make strftime give consistent zone strings and
e.g., seconds since the epoch (%s). */
putenv ("TZ=GMT0");
#undef CMP
#define CMP(Fmt, Expected) n_fail += compare ((Fmt), tm, (Expected))
CMP ("%-m", "1"); /* GNU */
CMP ("%A", "Friday");
CMP ("%^A", "FRIDAY"); /* The ^ is a GNU extension. */
CMP ("%B", "January");
CMP ("%^B", "JANUARY");
CMP ("%C", "19"); /* POSIX.2 */
CMP ("%D", "01/09/70"); /* POSIX.2 */
CMP ("%G", "1970"); /* GNU */
CMP ("%H", "13");
CMP ("%I", "01");
CMP ("%M", "06");
CMP ("%M", "06");
CMP ("%R", "13:06"); /* POSIX.2 */
CMP ("%S", "07");
CMP ("%T", "13:06:07"); /* POSIX.2 */
CMP ("%U", "01");
CMP ("%V", "02");
CMP ("%W", "01");
CMP ("%X", "13:06:07");
CMP ("%Y", "1970");
CMP ("%Z", "GMT");
CMP ("%_m", " 1"); /* GNU */
CMP ("%a", "Fri");
CMP ("%^a", "FRI");
CMP ("%b", "Jan");
CMP ("%^b", "JAN");
CMP ("%c", "Fri Jan 9 13:06:07 1970");
CMP ("%^c", "FRI JAN 9 13:06:07 1970");
CMP ("%d", "09");
CMP ("%e", " 9"); /* POSIX.2 */
CMP ("%g", "70"); /* GNU */
CMP ("%h", "Jan"); /* POSIX.2 */
CMP ("%^h", "JAN");
CMP ("%j", "009");
CMP ("%k", "13"); /* GNU */
CMP ("%l", " 1"); /* GNU */
CMP ("%m", "01");
CMP ("%n", "\n"); /* POSIX.2 */
CMP ("%p", "PM");
CMP ("%r", "01:06:07 PM"); /* POSIX.2 */
CMP ("%s", "738367"); /* GNU */
CMP ("%t", "\t"); /* POSIX.2 */
CMP ("%u", "5"); /* POSIX.2 */
CMP ("%w", "5");
CMP ("%x", "01/09/70");
CMP ("%y", "70");
CMP ("%z", "+0000"); /* GNU */
exit (n_fail ? 1 : 0);
}
>>,
changequote([, ])dnl
jm_cv_func_working_gnu_strftime=yes,
jm_cv_func_working_gnu_strftime=no,
dnl When crosscompiling, assume strftime is missing or broken.
jm_cv_func_working_gnu_strftime=no)
])
if test $jm_cv_func_working_gnu_strftime = no; then
LIBOBJS="$LIBOBJS strftime.o"
AC_DEFINE_UNQUOTED(strftime, gnu_strftime)
fi
])
AC_DEFUN(jm_FUNC_STRFTIME,
[
jm_STRFTIME_PREREQS
AC_REPLACE_FUNCS(strftime)
])
|
