Fix portability of strptime especially for Windows (#3342)

Author: itchyny

src/builtin.c

@@ -1559,14 +1559,9 @@ static jv f_strptime(jq_state *jq, jv a, jv b) {
   memset(&tm, 0, sizeof(tm));
   tm.tm_wday = 8; // sentinel
   tm.tm_yday = 367; // sentinel
+
   const char *input = jv_string_value(a);
   const char *fmt = jv_string_value(b);
-
-#ifndef HAVE_STRPTIME
-  if (strcmp(fmt, "%Y-%m-%dT%H:%M:%SZ")) {
-    return ret_error2(a, b, jv_string("strptime/1 only supports ISO 8601 on this platform"));
-  }
-#endif
   const char *end = strptime(input, fmt, &tm);
   if (end == NULL || (*end != '\0' && !isspace((unsigned char)*end))) {
     return ret_error2(a, b, jv_string_fmt("date \"%s\" does not match format \"%s\"", input, fmt));

tests/jq.test

@@ -1810,8 +1810,6 @@ try ["OK", bsearch(0)] catch ["KO",.]
 "aa"
 ["KO","string (\"aa\") cannot be searched from"]
 
-# strptime tests are in optional.test
-
 strftime("%Y-%m-%dT%H:%M:%SZ")
 [2015,2,5,23,51,47,4,63]
 "2015-03-05T23:51:47Z"
@@ -1854,6 +1852,20 @@ try ["OK", strflocaltime({})] catch ["KO", .]
 0
 ["KO","strflocaltime/1 requires a string format"]
 
+[strptime("%Y-%m-%dT%H:%M:%SZ")|(.,mktime)]
+"2015-03-05T23:51:47Z"
+[[2015,2,5,23,51,47,4,63],1425599507]
+
+[strptime("%FT%T")|(.,mktime)]
+"2025-06-07T08:09:10"
+[[2025,5,7,8,9,10,6,157],1749283750]
+
+# Check day-of-week and day of year computations
+# (should trip an assert if this fails)
+last(range(365 * 67)|("1970-03-01T01:02:03Z"|strptime("%Y-%m-%dT%H:%M:%SZ")|mktime) + (86400 * .)|strftime("%Y-%m-%dT%H:%M:%SZ")|strptime("%Y-%m-%dT%H:%M:%SZ"))
+null
+[2037,1,11,1,2,3,3,41]
+
 # module system
 import "a" as foo; import "b" as bar; def fooa: foo::a; [fooa, bar::a, bar::b, foo::a]
 null

tests/optional.test

@@ -1,18 +1,6 @@
 # See tests/jq.test and the jq manual for more information.
 
-# strptime() is not available on mingw/WIN32
-[strptime("%Y-%m-%dT%H:%M:%SZ")|(.,mktime)]
-"2015-03-05T23:51:47Z"
-[[2015,2,5,23,51,47,4,63],1425599507]
-
-# Check day-of-week and day of year computations
-# (should trip an assert if this fails)
-# This date range
-last(range(365 * 67)|("1970-03-01T01:02:03Z"|strptime("%Y-%m-%dT%H:%M:%SZ")|mktime) + (86400 * .)|strftime("%Y-%m-%dT%H:%M:%SZ")|strptime("%Y-%m-%dT%H:%M:%SZ"))
-null
-[2037,1,11,1,2,3,3,41]
-
-# Regression test for #3276
+# Regression test for #3276 (fails on mingw/WIN32)
 fromdate
 "2038-01-19T03:14:08Z"
 2147483648
@@ -22,4 +10,3 @@ strftime("%A, %B %e, %Y")
 1435677542.822351
 "Tuesday, June 30, 2015"
 
-