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-rw-r--r--ncurses/base/memmove.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/ncurses/base/memmove.c b/ncurses/base/memmove.c
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+/****************************************************************************
+ * Copyright (c) 1998-2000,2007 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. *
+ ****************************************************************************/
+
+#include <curses.priv.h>
+
+MODULE_ID("$Id: memmove.c,v 1.5 2007/08/11 17:12:43 tom Exp $")
+
+/****************************************************************************
+ * Author: Thomas E. Dickey <dickey@clark.net> 1998 *
+ ****************************************************************************/
+
+#if USE_MY_MEMMOVE
+#define DST ((char *)s1)
+#define SRC ((const char *)s2)
+NCURSES_EXPORT(void *)
+_nc_memmove(void *s1, const void *s2, size_t n)
+{
+ if (n != 0) {
+ if ((DST + n > SRC) && (SRC + n > DST)) {
+ static char *bfr;
+ static size_t length;
+ register size_t j;
+ if (length < n) {
+ length = (n * 3) / 2;
+ bfr = typeRealloc(char, length, bfr);
+ }
+ for (j = 0; j < n; j++)
+ bfr[j] = SRC[j];
+ s2 = bfr;
+ }
+ while (n-- != 0)
+ DST[n] = SRC[n];
+ }
+ return s1;
+}
+#else
+extern
+NCURSES_EXPORT(void)
+_nc_memmove(void); /* quiet's gcc warning */
+NCURSES_EXPORT(void)
+_nc_memmove(void)
+{
+} /* nonempty for strict ANSI compilers */
+#endif /* USE_MY_MEMMOVE */