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-rw-r--r--ext/mysql/libmysql/strmov.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/ext/mysql/libmysql/strmov.c b/ext/mysql/libmysql/strmov.c
new file mode 100644
index 0000000000..b41470aef4
--- /dev/null
+++ b/ext/mysql/libmysql/strmov.c
@@ -0,0 +1,38 @@
+/*
+ strmov(dst, src) moves all the characters of src (including the
+ closing NUL) to dst, and returns a pointer to the new closing NUL in
+ dst. The similar UNIX routine strcpy returns the old value of dst,
+ which I have never found useful. strmov(strmov(dst,a),b) moves a//b
+ into dst, which seems useful.
+*/
+
+#include <global.h>
+#include "m_string.h"
+
+#ifdef BAD_STRING_COMPILER
+#undef strmov
+#define strmov strmov_overlapp
+#endif
+
+#if !defined(MC68000) && !defined(DS90)
+
+char *strmov(register char *dst, register const char *src)
+{
+ while (*dst++ = *src++) ;
+ return dst-1;
+}
+
+#else
+
+char *strmov(dst, src)
+ char *dst, *src;
+{
+ asm(" movl 4(a7),a1 ");
+ asm(" movl 8(a7),a0 ");
+ asm(".L4: movb (a0)+,(a1)+ ");
+ asm(" jne .L4 ");
+ asm(" movl a1,d0 ");
+ asm(" subql #1,d0 ");
+}
+
+#endif