Change copyright header.

(__gmp_version_struct): New struct.
(gmp_version): Is now a function.

1 files changed, 76 insertions, 4 deletions

diff --git a/version.c b/version.c
index dd0593d2c..480069358 100644
--- a/version.c
+++ b/version.c
@@ -1,7 +1,7 @@
 /* gmp_version -- version number compiled into the library */
 
 /*
-Copyright (C) 1996,1999,2000 Free Software Foundation, Inc.
+Copyright (C) 1996, 1999, 2000  Free Software Foundation, Inc.
 
 This file is part of the GNU MP Library.
 
@@ -17,10 +17,82 @@ License for more details.
 
 You should have received a copy of the GNU Library General Public License
 along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA.  */
+
+#if STDC_HEADERS
+# include <stdlib.h>
+# include <string.h>
+#endif
 
 #include "gmp.h"
 #include "gmp-impl.h"
 
-static const char *gmp_version = VERSION;
+static struct
+{
+  int major, minor, patchlevel;
+} __gmp_version_struct = {0, 0, 0};
+  
+int
+#if __STDC__
+gmp_version (gmp_version_enum v)
+#else     
+gmp_version (v)
+     gmp_version_enum v;
+#endif
+{
+  if (__gmp_version_struct.major == 0
+      && __gmp_version_struct.minor == 0
+      && __gmp_version_struct.patchlevel == 0)
+    {
+      /* Initialize struct. */
+      char *ver_str;
+      char c;
+      char *cp, *start;
+      TMP_DECL (mark);
+
+      TMP_MARK (mark);
+      ver_str = TMP_ALLOC (strlen (VERSION) + 1);
+      strcpy (ver_str, VERSION);
+
+      start = cp = ver_str;
+      while (*cp != '.' && *cp != '\0')
+	cp++;
+      c = *cp; *cp = '\0';
+      __gmp_version_struct.major = atoi (start);
+
+      if (c == '.')
+	{
+	  start = ++cp;
+	  while (*cp != '.' && *cp != '\0')
+	    cp++;
+	  c = *cp; *cp = '\0';
+	  __gmp_version_struct.minor = atoi (start);
+	  
+	  if (c == '.')
+	    {
+	      start = ++cp;
+	      while (*cp != '.' && *cp != '\0')
+		cp++;
+	      *cp = '\0';
+	      __gmp_version_struct.patchlevel = atoi (start);
+	    }
+	}
+      TMP_FREE (mark);
+    }
+
+  switch (v)
+    {
+    case GMP_GET_VERSION_MAJOR:
+      return __gmp_version_struct.major;
+    case GMP_GET_VERSION_MINOR:
+      return __gmp_version_struct.minor;
+    case GMP_GET_VERSION_PATCHLEVEL:
+      return __gmp_version_struct.patchlevel;
+    default:
+      gmp_errno |= GMP_ERROR_INVALID_ARGUMENT;
+      return 0;
+    }
+}
+      
+