ncurses 5.9 - patch 20120225

[ncurses.git] / include / nc_string.h

diff --git a/include/nc_string.h b/include/nc_string.h
new file mode 100644 (file)
index 0000000..c087a82
--- /dev/null
+++ b/include/nc_string.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+ * Copyright (c) 2012 Free Software Foundation, Inc.                        *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Thomas E. Dickey                        2012                    *
+ ****************************************************************************/
+
+#ifndef STRING_HACKS_H
+#define STRING_HACKS_H 1
+
+#include <ncurses_cfg.h>
+
+/*
+ * $Id: nc_string.h,v 1.3 2012/02/23 10:21:17 tom Exp $
+ *
+ * String-hacks.  Use these macros to stifle warnings on (presumably) correct
+ * uses of strcat, strcpy and sprintf.
+ *
+ * By the way -
+ * A fundamental limitation of the interfaces (and frequent issue in bug
+ * reports using these functions) is that sizes are passed as unsigned values
+ * (with associated sign-extension problems), limiting their effectiveness
+ * when checking for buffer overflow.
+ */
+
+#ifdef __cplusplus
+#define NCURSES_VOID /* nothing */
+#else
+#define NCURSES_VOID (void)
+#endif
+
+#if USE_STRING_HACKS && HAVE_STRLCAT
+#define _nc_STRCAT(d,s,n)      NCURSES_VOID strlcat((d),(s),(n))
+#else
+#define _nc_STRCAT(d,s,n)      NCURSES_VOID strcat((d),(s))
+#endif
+
+#if USE_STRING_HACKS && HAVE_STRLCPY
+#define _nc_STRCPY(d,s,n)      NCURSES_VOID strlcpy((d),(s),(n))
+#else
+#define _nc_STRCPY(d,s,n)      NCURSES_VOID strcpy((d),(s))
+#endif
+
+#if USE_STRING_HACKS && HAVE_SNPRINTF
+#define _nc_SPRINTF             NCURSES_VOID snprintf
+#define _nc_SLIMIT(n)           (n),
+#else
+#define _nc_SPRINTF             NCURSES_VOID sprintf
+#define _nc_SLIMIT(n)          /* nothing */
+#endif
+
+#endif /* STRING_HACKS_H */