2.5-18.1

stdlib/tst-strtod2.c

@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+struct test
+{
+  const char *str;
+  double result;
+  size_t offset;
+} tests[] =
+{
+  { "0xy", 0.0, 1 },
+  { "0x.y", 0.0, 1 },
+  { "0x0.y", 0.0, 4 },
+  { "0x.0y", 0.0, 4 },
+  { ".y", 0.0, 0 },
+  { "0.y", 0.0, 2 },
+  { ".0y", 0.0, 2 }
+};
+
+static int
+do_test (void)
+{
+  int status = 0;
+  for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
+    {
+      char *ep;
+      double r = strtod (tests[i].str, &ep);
+      if (r != tests[i].result)
+	{
+	  printf ("test %zu r = %g, expect %g\n", i, r, tests[i].result);
+	  status = 1;
+	}
+      if (ep != tests[i].str + tests[i].offset)
+	{
+	  printf ("test %zu strtod parsed %ju characters, expected %zu\n",
+		  i, ep - tests[i].str, tests[i].offset);
+	  status = 1;
+	}
+    }
+  return status;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"