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annotate m4/strftime.m4 @ 1117:813df200bb0c
Check for %F format.
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| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Sat, 15 Nov 1997 13:17:15 +0000 |
| parents | b212d4195ad2 |
| children | 004ad983c640 |
| rev | line source |
|---|---|
| 1117 | 1 #serial 5 |
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(jm_STRFTIME_PREREQS): Check for localtime_r.
Jim Meyering <jim@meyering.net>
parents:
863
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2 |
| 1117 | 3 dnl This macro is intended to be used solely in this file. |
| 4 dnl These are the prerequisite macros for GNU's strftime.c replacement. | |
| 5 dnl FIXME: the list is far from complete | |
| 6 AC_DEFUN(_jm_STRFTIME_PREREQS, | |
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parents:
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7 [ |
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8 dnl strftime.c uses localtime_r if it exists. Check for it. |
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9 AC_CHECK_FUNCS(localtime_r) |
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parents:
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10 dnl FIXME: add tests for everything in strftime.c: e.g., HAVE_BCOPY, |
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(jm_STRFTIME_PREREQS): Check for localtime_r.
Jim Meyering <jim@meyering.net>
parents:
863
diff
changeset
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11 dnl HAVE_TZNAME, HAVE_TZSET, HAVE_TM_ZONE, etc. |
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921bbc045898
(jm_STRFTIME_PREREQS): Check for localtime_r.
Jim Meyering <jim@meyering.net>
parents:
863
diff
changeset
|
12 ]) |
| 820 | 13 |
| 1117 | 14 dnl Determine if the strftime function has all the features of the GNU one. |
| 15 dnl | |
| 820 | 16 dnl If you use this macro in a package, you should |
| 17 dnl add the following two lines to acconfig.h: | |
| 18 dnl /* Define to gnu_strftime if the replacement function should be used. */ | |
| 19 dnl #undef strftime | |
| 20 dnl | |
| 1117 | 21 dnl From Jim Meyering. |
| 22 dnl | |
| 820 | 23 AC_DEFUN(jm_FUNC_GNU_STRFTIME, |
| 24 [AC_REQUIRE([AC_HEADER_TIME])dnl | |
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parents:
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25 |
| 1117 | 26 _jm_STRFTIME_PREREQS |
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parents:
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27 |
| 820 | 28 AC_REQUIRE([AC_C_CONST])dnl |
| 29 AC_REQUIRE([AC_HEADER_STDC])dnl | |
| 30 AC_CHECK_HEADERS(sys/time.h) | |
| 31 AC_CACHE_CHECK([for working GNU strftime], jm_cv_func_working_gnu_strftime, | |
| 32 [AC_TRY_RUN( | |
| 33 changequote(<<, >>)dnl | |
| 34 << /* Ulrich Drepper provided parts of the test program. */ | |
| 35 #if STDC_HEADERS | |
| 36 # include <stdlib.h> | |
| 37 #endif | |
| 38 | |
| 39 #if TIME_WITH_SYS_TIME | |
| 40 # include <sys/time.h> | |
| 41 # include <time.h> | |
| 42 #else | |
| 43 # if HAVE_SYS_TIME_H | |
| 44 # include <sys/time.h> | |
| 45 # else | |
| 46 # include <time.h> | |
| 47 # endif | |
| 48 #endif | |
| 49 | |
| 50 static int | |
| 51 compare (const char *fmt, const struct tm *tm, const char *expected) | |
| 52 { | |
| 53 char buf[99]; | |
| 54 strftime (buf, 99, fmt, tm); | |
| 55 if (strcmp (buf, expected)) | |
| 56 { | |
| 57 #ifdef SHOW_FAILURES | |
| 58 printf ("fmt: \"%s\", expected \"%s\", got \"%s\"\n", | |
| 59 fmt, expected, buf); | |
| 60 #endif | |
| 61 return 1; | |
| 62 } | |
| 63 return 0; | |
| 64 } | |
| 65 | |
| 66 int | |
| 67 main () | |
| 68 { | |
| 69 int n_fail = 0; | |
| 70 struct tm *tm; | |
| 71 time_t t = 738367; /* Fri Jan 9 13:06:07 1970 */ | |
| 72 tm = gmtime (&t); | |
| 73 | |
| 74 /* This is necessary to make strftime give consistent zone strings and | |
| 75 e.g., seconds since the epoch (%s). */ | |
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76 putenv ("TZ=GMT0"); |
| 820 | 77 |
| 78 #undef CMP | |
| 79 #define CMP(Fmt, Expected) n_fail += compare ((Fmt), tm, (Expected)) | |
| 80 | |
| 81 CMP ("%-m", "1"); /* GNU */ | |
| 82 CMP ("%A", "Friday"); | |
| 83 CMP ("%^A", "FRIDAY"); /* The ^ is a GNU extension. */ | |
| 84 CMP ("%B", "January"); | |
| 85 CMP ("%^B", "JANUARY"); | |
| 86 CMP ("%C", "19"); /* POSIX.2 */ | |
| 87 CMP ("%D", "01/09/70"); /* POSIX.2 */ | |
| 1117 | 88 CMP ("%F", "1970-01-09"); |
| 820 | 89 CMP ("%G", "1970"); /* GNU */ |
| 90 CMP ("%H", "13"); | |
| 91 CMP ("%I", "01"); | |
| 92 CMP ("%M", "06"); | |
| 93 CMP ("%M", "06"); | |
| 94 CMP ("%R", "13:06"); /* POSIX.2 */ | |
| 95 CMP ("%S", "07"); | |
| 96 CMP ("%T", "13:06:07"); /* POSIX.2 */ | |
| 97 CMP ("%U", "01"); | |
| 98 CMP ("%V", "02"); | |
| 99 CMP ("%W", "01"); | |
| 100 CMP ("%X", "13:06:07"); | |
| 101 CMP ("%Y", "1970"); | |
| 102 CMP ("%Z", "GMT"); | |
| 103 CMP ("%_m", " 1"); /* GNU */ | |
| 104 CMP ("%a", "Fri"); | |
| 105 CMP ("%^a", "FRI"); | |
| 106 CMP ("%b", "Jan"); | |
| 107 CMP ("%^b", "JAN"); | |
| 108 CMP ("%c", "Fri Jan 9 13:06:07 1970"); | |
| 109 CMP ("%^c", "FRI JAN 9 13:06:07 1970"); | |
| 110 CMP ("%d", "09"); | |
| 111 CMP ("%e", " 9"); /* POSIX.2 */ | |
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112 CMP ("%f", "5"); /* POSIX.2 */ |
| 820 | 113 CMP ("%g", "70"); /* GNU */ |
| 114 CMP ("%h", "Jan"); /* POSIX.2 */ | |
| 115 CMP ("%^h", "JAN"); | |
| 116 CMP ("%j", "009"); | |
| 117 CMP ("%k", "13"); /* GNU */ | |
| 118 CMP ("%l", " 1"); /* GNU */ | |
| 119 CMP ("%m", "01"); | |
| 120 CMP ("%n", "\n"); /* POSIX.2 */ | |
| 121 CMP ("%p", "PM"); | |
| 122 CMP ("%r", "01:06:07 PM"); /* POSIX.2 */ | |
| 123 CMP ("%s", "738367"); /* GNU */ | |
| 124 CMP ("%t", "\t"); /* POSIX.2 */ | |
| 125 CMP ("%u", "5"); /* POSIX.2 */ | |
| 126 CMP ("%w", "5"); | |
| 127 CMP ("%x", "01/09/70"); | |
| 128 CMP ("%y", "70"); | |
| 129 CMP ("%z", "+0000"); /* GNU */ | |
| 130 | |
| 131 exit (n_fail ? 1 : 0); | |
| 132 } | |
| 133 >>, | |
| 134 changequote([, ])dnl | |
| 135 jm_cv_func_working_gnu_strftime=yes, | |
| 136 jm_cv_func_working_gnu_strftime=no, | |
| 137 dnl When crosscompiling, assume strftime is missing or broken. | |
| 138 jm_cv_func_working_gnu_strftime=no) | |
| 139 ]) | |
| 140 if test $jm_cv_func_working_gnu_strftime = no; then | |
| 141 LIBOBJS="$LIBOBJS strftime.o" | |
| 142 AC_DEFINE_UNQUOTED(strftime, gnu_strftime) | |
| 143 fi | |
| 144 ]) | |
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1102
921bbc045898
(jm_STRFTIME_PREREQS): Check for localtime_r.
Jim Meyering <jim@meyering.net>
parents:
863
diff
changeset
|
145 |
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921bbc045898
(jm_STRFTIME_PREREQS): Check for localtime_r.
Jim Meyering <jim@meyering.net>
parents:
863
diff
changeset
|
146 AC_DEFUN(jm_FUNC_STRFTIME, |
|
921bbc045898
(jm_STRFTIME_PREREQS): Check for localtime_r.
Jim Meyering <jim@meyering.net>
parents:
863
diff
changeset
|
147 [ |
| 1117 | 148 _jm_STRFTIME_PREREQS |
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1102
921bbc045898
(jm_STRFTIME_PREREQS): Check for localtime_r.
Jim Meyering <jim@meyering.net>
parents:
863
diff
changeset
|
149 AC_REPLACE_FUNCS(strftime) |
|
921bbc045898
(jm_STRFTIME_PREREQS): Check for localtime_r.
Jim Meyering <jim@meyering.net>
parents:
863
diff
changeset
|
150 ]) |