* configure.in: add check for negative time_t for gmtime(3).

* time.c (time_new_internal): no positive check if gmtime(3) can
  handle negative time_t.

* time.c (time_timeval): ditto.

* bignum.c (rb_big2long): should not raise RangeError for Bignum
  LONG_MIN value.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1205 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

7 files changed, 65 insertions, 9 deletions

diff --git a/ChangeLog b/ChangeLog
index 02a440fc18..36be371049 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+Tue Feb 20 16:37:58 2001  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* configure.in: add check for negative time_t for gmtime(3).
+
+	* time.c (time_new_internal): no positive check if gmtime(3) can
+	  handle negative time_t.
+
+	* time.c (time_timeval): ditto.
+
+	* bignum.c (rb_big2long): should not raise RangeError for Bignum
+	  LONG_MIN value.
+
 Mon Feb 19 17:46:37 2001  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* string.c (rb_str_substr): "a"[1,2] should return ""; need
diff --git a/README b/README
index f924702e39..97d940f4cf 100644
--- a/README
+++ b/README
@@ -22,14 +22,14 @@ Perl).  It is simple, straight-forward, and extensible.
 
 The Ruby distribution can be found on:
 
-  ftp://ftp.netlab.co.jp/pub/lang/ruby/
+  ftp://ftp.ruby-lang.org/pub/lang/ruby/
 
 You can get it by anonymous CVS.  How to check out is:
 
-  $ cvs -d :pserver:anonymous@cvs.netlab.co.jp:/home/cvs login
-  (Logging in to anonymous@cvs.netlab.co.jp)
+  $ cvs -d :pserver:anonymous@cvs.ruby-lang.org:/home/cvs login
+  (Logging in to anonymous@cvs.ruby-lang.org)
   CVS password: guest
-  $ cvs -d :pserver:anonymous@cvs.netlab.co.jp:/home/cvs checkout ruby
+  $ cvs -d :pserver:anonymous@cvs.ruby-lang.org:/home/cvs checkout ruby
 
 * Mailing list
 
@@ -40,7 +40,7 @@ To subscribe this list, please send the following phrase
 e.g.
         subscribe Joseph Smith
 
-in the mail body (not subject) to the address <ruby-talk-ctl@netlab.co.jp>.
+in the mail body (not subject) to the address <ruby-talk-ctl@ruby-lang.org>.
 
 * How to compile and install
 
diff --git a/bignum.c b/bignum.c
index 39d90aa92d..bc4733408b 100644
--- a/bignum.c
+++ b/bignum.c
@@ -467,7 +467,7 @@ rb_big2long(x)
 {
     unsigned long num = big2ulong(x, "int");
 
-    if ((long)num < 0) {
+    if ((long)num < 0 && (long)num != LONG_MIN) {
 	rb_raise(rb_eRangeError, "bignum too big to convert into `int'");
     }
     if (!RBIGNUM(x)->sign) return -(long)num;
diff --git a/configure.in b/configure.in
index 0c4f0ad94a..9d42330a2a 100644
--- a/configure.in
+++ b/configure.in
@@ -261,6 +261,42 @@ AC_CACHE_CHECK(for external int daylight, rb_cv_have_daylight,
 if test "$rb_cv_have_daylight" = yes; then
   AC_DEFINE(HAVE_DAYLIGHT)
 fi
+AC_CACHE_CHECK(for negative time_t for gmtime(3), rb_cv_negative_time_t,
+  [AC_TRY_RUN([
+#include <time.h>
+
+void
+check(tm, y, m, d, h, s)
+    struct tm *tm;
+    int y, m, d, h, s;
+{
+    if (tm->tm_year != y ||
+	tm->tm_mon  != m-1 ||
+	tm->tm_mday != d ||
+	tm->tm_hour != h ||
+	tm->tm_sec  != s) {
+	exit(1);
+    }
+}
+
+int
+main()
+{
+   time_t t = -1;
+   struct tm *tm;
+
+   check(gmtime(&t), 69, 12, 31, 23, 59);
+   t = -0x80000000;
+   check(gmtime(&t), 1, 12, 13, 20, 52);
+   return 0;
+}
+],
+	rb_cv_negative_time_t=yes,
+	rb_cv_negative_time_t=no,
+	rb_cv_negative_time_t=yes)])
+if test "$rb_cv_negative_time_t" = yes; then
+  AC_DEFINE(NEGATIVE_TIME_T)
+fi
 
 if test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes; then
    AC_DEFINE(POSIX_SIGNAL)
diff --git a/signal.c b/signal.c
index ca4cded055..b9c5d66979 100644
--- a/signal.c
+++ b/signal.c
@@ -387,7 +387,7 @@ sigsegv(sig)
 #endif
 
 #ifdef SIGPIPE
-static RETSIGTYPE sigsegv _((int));
+static RETSIGTYPE sigpipe _((int));
 static RETSIGTYPE
 sigpipe(sig)
     int sig;
diff --git a/time.c b/time.c
index 4648611ef8..8da0daff53 100644
--- a/time.c
+++ b/time.c
@@ -80,8 +80,10 @@ time_new_internal(klass, sec, usec)
     VALUE obj;
     struct time_object *tobj;
 
+#ifndef NEGATIVE_TIME_T
     if (sec < 0 || (sec == 0 && usec < 0))
 	rb_raise(rb_eArgError, "time must be positive");
+#endif
 
     obj = Data_Make_Struct(klass, struct time_object, 0, free, tobj);
     tobj->tm_got = 0;
@@ -108,22 +110,28 @@ time_timeval(time, interval)
     switch (TYPE(time)) {
       case T_FIXNUM:
 	t.tv_sec = FIX2LONG(time);
+#ifndef NEGATIVE_TIME_T
 	if (t.tv_sec < 0)
 	    rb_raise(rb_eArgError, "time must be positive");
+#endif
 	t.tv_usec = 0;
 	break;
 
       case T_FLOAT:
+#ifndef NEGATIVE_TIME_T
 	if (RFLOAT(time)->value < 0.0)
 	    rb_raise(rb_eArgError, "time must be positive");
+#endif
 	t.tv_sec = (time_t)RFLOAT(time)->value;
 	t.tv_usec = (time_t)((RFLOAT(time)->value - (double)t.tv_sec)*1e6);
 	break;
 
       case T_BIGNUM:
 	t.tv_sec = NUM2LONG(time);
+#ifndef NEGATIVE_TIME_T
 	if (t.tv_sec < 0)
 	    rb_raise(rb_eArgError, "time must be positive");
+#endif
 	t.tv_usec = 0;
 	break;
 
diff --git a/version.h b/version.h
index 16735267fc..1d4cf052fd 100644
--- a/version.h
+++ b/version.h
@@ -1,4 +1,4 @@
 #define RUBY_VERSION "1.7.0"
-#define RUBY_RELEASE_DATE "2001-02-19"
+#define RUBY_RELEASE_DATE "2001-02-20"
 #define RUBY_VERSION_CODE 170
-#define RUBY_RELEASE_CODE 20010219
+#define RUBY_RELEASE_CODE 20010220