std_cstring.h: Fix for const-correctness.

2001-04-02  Stephen M. Webb  <stephen@bregmasoft.com>

	* include/c_std/bits/std_cstring.h: Fix for const-correctness.
	* include/c_std/bits/std_cwchar.h: Same.
	* testsuite/21_strings/c_strings.cc: Add.

From-SVN: r41018

diff --git a/libstdc++-v3/testsuite/21_strings/c_strings.cc b/libstdc++-v3/testsuite/21_strings/c_strings.cc
new file mode 100644 (file)
index 0000000..49b73f2
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/c_strings.cc
@@ -0,0 +1,67 @@
+// 2001-04-02  Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// 21.4: null-terminiated sequence utilities
+
+#include <string>
+#include <cstring>
+#include <cwchar>
+
+int main()
+{
+  bool test = true;
+  char c = 'a';
+  const char cc = 'b';
+  char* c1 = &c;
+  const char* cc1 = &cc;
+  const char* ccarray1 = "san francisco roof garden inspectors";
+  const char* ccarray2 = "san francisco sunny-day park inspectors";
+  char carray[30];
+  strcpy(carray, ccarray1);
+  void* v;
+  const void* cv;
+  
+  // const char* strchr(const char* s, int c);
+  // char* strchr(char* s, int c);
+  cc1 = std::strchr(ccarray1, 'c');
+  c1 = std::strchr(carray, 'c');
+
+  // const char* strpbrk(const char* s1, const char* s2);
+  // char* strpbrk(char* s1, const char* s2);
+  cc1 = std::strpbrk(ccarray1, ccarray2);
+  c1 = std::strpbrk(carray, ccarray2);
+
+  // const char* strrchr(const char* s, int c);
+  // char* strrchr(char* s, int c);
+  cc1 = std::strrchr(ccarray1, 'c');
+  c1 = std::strrchr(carray, 'c');
+
+  // const char* strstr(const char* s1, const char* s2);
+  // char* strstr(char* s1, const char* s2);
+  cc1 = std::strstr(ccarray1, ccarray2);
+  c1 = std::strstr(carray, carray);
+
+  // const void* memchr(const void* s, int c, size_t n);
+  // void* memchr(      void* s, int c, size_t n);
+  cv = std::memchr(cv, 'a', 3);
+  v = std::memchr(v, 'a', 3);
+
+  return 0;
+}