From 811ee4f442212c7ee14a9112e4897e2537e40d28 Mon Sep 17 00:00:00 2001
From: Joshua Haberman <jhaberman@gmail.com>
Date: Mon, 20 May 2019 14:10:45 -0700
Subject: Use a custom mktime() function to avoid platform dependencies.

---
 generated_for_cmake/upb/json/parser.c | 182 +++++++++++++++++++++-------------
 1 file changed, 112 insertions(+), 70 deletions(-)

(limited to 'generated_for_cmake/upb')

diff --git a/generated_for_cmake/upb/json/parser.c b/generated_for_cmake/upb/json/parser.c
index 1e9d2fc..a1bd0d2 100644
--- a/generated_for_cmake/upb/json/parser.c
+++ b/generated_for_cmake/upb/json/parser.c
@@ -1686,6 +1686,48 @@ static void start_timestamp_zone(upb_json_parser *p, const char *ptr) {
   capture_begin(p, ptr);
 }
 
+#define EPOCH_YEAR 1970
+#define TM_YEAR_BASE 1900
+
+static bool isleap(int year) {
+  return (year % 4) == 0 && (year % 100 != 0 || (year % 400) == 0);
+}
+
+const unsigned short int __mon_yday[2][13] = {
+    /* Normal years.  */
+    { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365 },
+    /* Leap years.  */
+    { 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366 }
+};
+
+int64_t epoch(int year, int yday, int hour, int min, int sec) {
+  int64_t years = year - EPOCH_YEAR;
+
+  int64_t leap_days = years / 4 - years / 100 + years / 400;
+
+  int64_t days = years * 365 + yday + leap_days;
+  int64_t hours = days * 24 + hour;
+  int64_t mins = hours * 60 + min;
+  int64_t secs = mins * 60 + sec;
+  return secs;
+}
+
+
+static int64_t upb_mktime(const struct tm *tp) {
+  int sec = tp->tm_sec;
+  int min = tp->tm_min;
+  int hour = tp->tm_hour;
+  int mday = tp->tm_mday;
+  int mon = tp->tm_mon;
+  int year = tp->tm_year + TM_YEAR_BASE;
+
+  /* Calculate day of year from year, month, and day of month. */
+  int mon_yday = ((__mon_yday[isleap(year)][mon]) - 1);
+  int yday = mon_yday + mday;
+
+  return epoch(year, yday, hour, min, sec);
+}
+
 static bool end_timestamp_zone(upb_json_parser *p, const char *ptr) {
   size_t len;
   const char *buf;
@@ -1713,7 +1755,7 @@ static bool end_timestamp_zone(upb_json_parser *p, const char *ptr) {
   }
 
   /* Normalize tm */
-  seconds = mktime(&p->tm);
+  seconds = upb_mktime(&p->tm);
 
   /* Check timestamp boundary */
   if (seconds < -62135596800) {
@@ -2544,11 +2586,11 @@ static bool does_fieldmask_end(upb_json_parser *p) {
  * final state once, when the closing '"' is seen. */
 
 
-#line 2749 "upb/json/parser.rl"
+#line 2791 "upb/json/parser.rl"
 
 
 
-#line 2552 "upb/json/parser.c"
+#line 2594 "upb/json/parser.c"
 static const char _json_actions[] = {
 	0, 1, 0, 1, 1, 1, 3, 1, 
 	4, 1, 6, 1, 7, 1, 8, 1, 
@@ -2803,7 +2845,7 @@ static const int json_en_value_machine = 78;
 static const int json_en_main = 1;
 
 
-#line 2752 "upb/json/parser.rl"
+#line 2794 "upb/json/parser.rl"
 
 size_t parse(void *closure, const void *hd, const char *buf, size_t size,
              const upb_bufhandle *handle) {
@@ -2826,7 +2868,7 @@ size_t parse(void *closure, const void *hd, const char *buf, size_t size,
   capture_resume(parser, buf);
 
   
-#line 2830 "upb/json/parser.c"
+#line 2872 "upb/json/parser.c"
 	{
 	int _klen;
 	unsigned int _trans;
@@ -2901,147 +2943,147 @@ _match:
 		switch ( *_acts++ )
 		{
 	case 1:
-#line 2557 "upb/json/parser.rl"
+#line 2599 "upb/json/parser.rl"
 	{ p--; {cs = stack[--top]; goto _again;} }
 	break;
 	case 2:
-#line 2559 "upb/json/parser.rl"
+#line 2601 "upb/json/parser.rl"
 	{ p--; {stack[top++] = cs; cs = 23;goto _again;} }
 	break;
 	case 3:
-#line 2563 "upb/json/parser.rl"
+#line 2605 "upb/json/parser.rl"
 	{ start_text(parser, p); }
 	break;
 	case 4:
-#line 2564 "upb/json/parser.rl"
+#line 2606 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_text(parser, p)); }
 	break;
 	case 5:
-#line 2570 "upb/json/parser.rl"
+#line 2612 "upb/json/parser.rl"
 	{ start_hex(parser); }
 	break;
 	case 6:
-#line 2571 "upb/json/parser.rl"
+#line 2613 "upb/json/parser.rl"
 	{ hexdigit(parser, p); }
 	break;
 	case 7:
-#line 2572 "upb/json/parser.rl"
+#line 2614 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_hex(parser)); }
 	break;
 	case 8:
-#line 2578 "upb/json/parser.rl"
+#line 2620 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(escape(parser, p)); }
 	break;
 	case 9:
-#line 2584 "upb/json/parser.rl"
+#line 2626 "upb/json/parser.rl"
 	{ p--; {cs = stack[--top]; goto _again;} }
 	break;
 	case 10:
-#line 2589 "upb/json/parser.rl"
+#line 2631 "upb/json/parser.rl"
 	{ start_year(parser, p); }
 	break;
 	case 11:
-#line 2590 "upb/json/parser.rl"
+#line 2632 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_year(parser, p)); }
 	break;
 	case 12:
-#line 2594 "upb/json/parser.rl"
+#line 2636 "upb/json/parser.rl"
 	{ start_month(parser, p); }
 	break;
 	case 13:
-#line 2595 "upb/json/parser.rl"
+#line 2637 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_month(parser, p)); }
 	break;
 	case 14:
-#line 2599 "upb/json/parser.rl"
+#line 2641 "upb/json/parser.rl"
 	{ start_day(parser, p); }
 	break;
 	case 15:
-#line 2600 "upb/json/parser.rl"
+#line 2642 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_day(parser, p)); }
 	break;
 	case 16:
-#line 2604 "upb/json/parser.rl"
+#line 2646 "upb/json/parser.rl"
 	{ start_hour(parser, p); }
 	break;
 	case 17:
-#line 2605 "upb/json/parser.rl"
+#line 2647 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_hour(parser, p)); }
 	break;
 	case 18:
-#line 2609 "upb/json/parser.rl"
+#line 2651 "upb/json/parser.rl"
 	{ start_minute(parser, p); }
 	break;
 	case 19:
-#line 2610 "upb/json/parser.rl"
+#line 2652 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_minute(parser, p)); }
 	break;
 	case 20:
-#line 2614 "upb/json/parser.rl"
+#line 2656 "upb/json/parser.rl"
 	{ start_second(parser, p); }
 	break;
 	case 21:
-#line 2615 "upb/json/parser.rl"
+#line 2657 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_second(parser, p)); }
 	break;
 	case 22:
-#line 2620 "upb/json/parser.rl"
+#line 2662 "upb/json/parser.rl"
 	{ start_duration_base(parser, p); }
 	break;
 	case 23:
-#line 2621 "upb/json/parser.rl"
+#line 2663 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_duration_base(parser, p)); }
 	break;
 	case 24:
-#line 2623 "upb/json/parser.rl"
+#line 2665 "upb/json/parser.rl"
 	{ p--; {cs = stack[--top]; goto _again;} }
 	break;
 	case 25:
-#line 2628 "upb/json/parser.rl"
+#line 2670 "upb/json/parser.rl"
 	{ start_timestamp_base(parser); }
 	break;
 	case 26:
-#line 2630 "upb/json/parser.rl"
+#line 2672 "upb/json/parser.rl"
 	{ start_timestamp_fraction(parser, p); }
 	break;
 	case 27:
-#line 2631 "upb/json/parser.rl"
+#line 2673 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_timestamp_fraction(parser, p)); }
 	break;
 	case 28:
-#line 2633 "upb/json/parser.rl"
+#line 2675 "upb/json/parser.rl"
 	{ start_timestamp_zone(parser, p); }
 	break;
 	case 29:
-#line 2634 "upb/json/parser.rl"
+#line 2676 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_timestamp_zone(parser, p)); }
 	break;
 	case 30:
-#line 2636 "upb/json/parser.rl"
+#line 2678 "upb/json/parser.rl"
 	{ p--; {cs = stack[--top]; goto _again;} }
 	break;
 	case 31:
-#line 2641 "upb/json/parser.rl"
+#line 2683 "upb/json/parser.rl"
 	{ start_fieldmask_path_text(parser, p); }
 	break;
 	case 32:
-#line 2642 "upb/json/parser.rl"
+#line 2684 "upb/json/parser.rl"
 	{ end_fieldmask_path_text(parser, p); }
 	break;
 	case 33:
-#line 2647 "upb/json/parser.rl"
+#line 2689 "upb/json/parser.rl"
 	{ start_fieldmask_path(parser); }
 	break;
 	case 34:
-#line 2648 "upb/json/parser.rl"
+#line 2690 "upb/json/parser.rl"
 	{ end_fieldmask_path(parser); }
 	break;
 	case 35:
-#line 2654 "upb/json/parser.rl"
+#line 2696 "upb/json/parser.rl"
 	{ p--; {cs = stack[--top]; goto _again;} }
 	break;
 	case 36:
-#line 2659 "upb/json/parser.rl"
+#line 2701 "upb/json/parser.rl"
 	{
         if (is_wellknown_msg(parser, UPB_WELLKNOWN_TIMESTAMP)) {
           {stack[top++] = cs; cs = 47;goto _again;}
@@ -3055,11 +3097,11 @@ _match:
       }
 	break;
 	case 37:
-#line 2672 "upb/json/parser.rl"
+#line 2714 "upb/json/parser.rl"
 	{ p--; {stack[top++] = cs; cs = 78;goto _again;} }
 	break;
 	case 38:
-#line 2677 "upb/json/parser.rl"
+#line 2719 "upb/json/parser.rl"
 	{
         if (is_wellknown_msg(parser, UPB_WELLKNOWN_ANY)) {
           start_any_member(parser, p);
@@ -3069,11 +3111,11 @@ _match:
       }
 	break;
 	case 39:
-#line 2684 "upb/json/parser.rl"
+#line 2726 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_membername(parser)); }
 	break;
 	case 40:
-#line 2687 "upb/json/parser.rl"
+#line 2729 "upb/json/parser.rl"
 	{
         if (is_wellknown_msg(parser, UPB_WELLKNOWN_ANY)) {
           end_any_member(parser, p);
@@ -3083,7 +3125,7 @@ _match:
       }
 	break;
 	case 41:
-#line 2698 "upb/json/parser.rl"
+#line 2740 "upb/json/parser.rl"
 	{
         if (is_wellknown_msg(parser, UPB_WELLKNOWN_ANY)) {
           start_any_object(parser, p);
@@ -3093,7 +3135,7 @@ _match:
       }
 	break;
 	case 42:
-#line 2707 "upb/json/parser.rl"
+#line 2749 "upb/json/parser.rl"
 	{
         if (is_wellknown_msg(parser, UPB_WELLKNOWN_ANY)) {
           CHECK_RETURN_TOP(end_any_object(parser, p));
@@ -3103,54 +3145,54 @@ _match:
       }
 	break;
 	case 43:
-#line 2719 "upb/json/parser.rl"
+#line 2761 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(start_array(parser)); }
 	break;
 	case 44:
-#line 2723 "upb/json/parser.rl"
+#line 2765 "upb/json/parser.rl"
 	{ end_array(parser); }
 	break;
 	case 45:
-#line 2728 "upb/json/parser.rl"
+#line 2770 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(start_number(parser, p)); }
 	break;
 	case 46:
-#line 2729 "upb/json/parser.rl"
+#line 2771 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_number(parser, p)); }
 	break;
 	case 47:
-#line 2731 "upb/json/parser.rl"
+#line 2773 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(start_stringval(parser)); }
 	break;
 	case 48:
-#line 2732 "upb/json/parser.rl"
+#line 2774 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_stringval(parser)); }
 	break;
 	case 49:
-#line 2734 "upb/json/parser.rl"
+#line 2776 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_bool(parser, true)); }
 	break;
 	case 50:
-#line 2736 "upb/json/parser.rl"
+#line 2778 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_bool(parser, false)); }
 	break;
 	case 51:
-#line 2738 "upb/json/parser.rl"
+#line 2780 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_null(parser)); }
 	break;
 	case 52:
-#line 2740 "upb/json/parser.rl"
+#line 2782 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(start_subobject_full(parser)); }
 	break;
 	case 53:
-#line 2741 "upb/json/parser.rl"
+#line 2783 "upb/json/parser.rl"
 	{ end_subobject_full(parser); }
 	break;
 	case 54:
-#line 2746 "upb/json/parser.rl"
+#line 2788 "upb/json/parser.rl"
 	{ p--; {cs = stack[--top]; goto _again;} }
 	break;
-#line 3154 "upb/json/parser.c"
+#line 3196 "upb/json/parser.c"
 		}
 	}
 
@@ -3167,32 +3209,32 @@ _again:
 	while ( __nacts-- > 0 ) {
 		switch ( *__acts++ ) {
 	case 0:
-#line 2555 "upb/json/parser.rl"
+#line 2597 "upb/json/parser.rl"
 	{ p--; {cs = stack[--top]; 	if ( p == pe )
 		goto _test_eof;
 goto _again;} }
 	break;
 	case 46:
-#line 2729 "upb/json/parser.rl"
+#line 2771 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_number(parser, p)); }
 	break;
 	case 49:
-#line 2734 "upb/json/parser.rl"
+#line 2776 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_bool(parser, true)); }
 	break;
 	case 50:
-#line 2736 "upb/json/parser.rl"
+#line 2778 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_bool(parser, false)); }
 	break;
 	case 51:
-#line 2738 "upb/json/parser.rl"
+#line 2780 "upb/json/parser.rl"
 	{ CHECK_RETURN_TOP(end_null(parser)); }
 	break;
 	case 53:
-#line 2741 "upb/json/parser.rl"
+#line 2783 "upb/json/parser.rl"
 	{ end_subobject_full(parser); }
 	break;
-#line 3196 "upb/json/parser.c"
+#line 3238 "upb/json/parser.c"
 		}
 	}
 	}
@@ -3200,7 +3242,7 @@ goto _again;} }
 	_out: {}
 	}
 
-#line 2774 "upb/json/parser.rl"
+#line 2816 "upb/json/parser.rl"
 
   if (p != pe) {
     upb_status_seterrf(parser->status, "Parse error at '%.*s'\n", pe - p, p);
@@ -3243,13 +3285,13 @@ static void json_parser_reset(upb_json_parser *p) {
 
   /* Emit Ragel initialization of the parser. */
   
-#line 3247 "upb/json/parser.c"
+#line 3289 "upb/json/parser.c"
 	{
 	cs = json_start;
 	top = 0;
 	}
 
-#line 2816 "upb/json/parser.rl"
+#line 2858 "upb/json/parser.rl"
   p->current_state = cs;
   p->parser_top = top;
   accumulate_clear(p);
-- 
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