* array.c (rb_ary_permutation): remove C99 dependency.

[ruby-dev:31934]

* array.c (rb_ary_product): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13612 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,10 @@
+Thu Oct  4 15:49:33 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* array.c (rb_ary_permutation): remove C99 dependency.
+	  [ruby-dev:31934]
+
+	* array.c (rb_ary_product): ditto.
+
 Wed Oct  3 23:37:17 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* ext/nkf/nkf.c, bin/ri, bin/irb: fixed typos in doc and comments.

array.c

@@ -3019,10 +3019,11 @@ permute0(long n, long r, long *p, long index, int *used, VALUE values)
 static VALUE
 rb_ary_permutation(VALUE ary, VALUE num)
 {
+    long r, n, i;
+
     RETURN_ENUMERATOR(ary, 1, &num);  /* Return enumerator if no block */
-    long r = NUM2LONG(num);           /* Permutation size from argument */
-    long n = RARRAY_LEN(ary);         /* Array length */
-    long i;
+    r = NUM2LONG(num);                /* Permutation size from argument */
+    n = RARRAY_LEN(ary);              /* Array length */
 
     if (r < 0 || n < r) { 
 	/* no permutations: yield nothing */
@@ -3151,8 +3152,10 @@ static VALUE
 rb_ary_product(int argc, VALUE *argv, VALUE ary)
 {
     int n = argc+1;    /* How many arrays we're operating on */
-    VALUE arrays[n];   /* The arrays we're computing the product of */
-    int counters[n];   /* The current position in each one */
+    volatile VALUE t0 = rb_str_new(0, n*sizeof(VALUE));
+    volatile VALUE t1 = rb_str_new(0, n*sizeof(int));
+    VALUE *arrays = (VALUE*)RSTRING_PTR(t0); /* The arrays we're computing the product of */
+    int *counters = (int*)RSTRING_PTR(t1); /* The current position in each one */
     VALUE result;      /* The array we'll be returning */
     long i,j;
 

version.h

@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2007-10-03"
+#define RUBY_RELEASE_DATE "2007-10-04"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20071003
+#define RUBY_RELEASE_CODE 20071004
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2007
 #define RUBY_RELEASE_MONTH 10
-#define RUBY_RELEASE_DAY 3
+#define RUBY_RELEASE_DAY 4
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];