- Add libmysql to the tree

1 files changed, 54 insertions, 0 deletions

diff --git a/ext/mysql/libmysql/mf_wcomp.c b/ext/mysql/libmysql/mf_wcomp.c
new file mode 100644
index 0000000000..8c9d43a01c
--- /dev/null
+++ b/ext/mysql/libmysql/mf_wcomp.c
@@ -0,0 +1,54 @@
+/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
+   This file is public domain and comes with NO WARRANTY of any kind */
+
+/* Funktions for comparing with wild-cards */
+
+#include "mysys_priv.h"
+
+	/* Test if a string is "comparable" to a wild-card string */
+	/* returns 0 if the strings are "comparable" */
+
+char wild_many='*';
+char wild_one='?';
+char wild_prefix=0;
+
+int wild_compare(register const char *str, register const char *wildstr)
+{
+  reg3 int flag;
+  DBUG_ENTER("wild_compare");
+
+  while (*wildstr)
+  {
+    while (*wildstr && *wildstr != wild_many && *wildstr != wild_one)
+    {
+      if (*wildstr == wild_prefix && wildstr[1])
+	wildstr++;
+      if (*wildstr++ != *str++) DBUG_RETURN(1);
+    }
+    if (! *wildstr ) DBUG_RETURN (*str != 0);
+    if (*wildstr++ == wild_one)
+    {
+      if (! *str++) DBUG_RETURN (1);	/* One char; skipp */
+    }
+    else
+    {						/* Found '*' */
+      if (!*wildstr) DBUG_RETURN(0);		/* '*' as last char: OK */
+      flag=(*wildstr != wild_many && *wildstr != wild_one);
+      do
+      {
+	if (flag)
+	{
+	  char cmp;
+	  if ((cmp= *wildstr) == wild_prefix && wildstr[1])
+	    cmp=wildstr[1];
+	  while (*str && *str != cmp)
+	    str++;
+	  if (!*str) DBUG_RETURN (1);
+	}
+	if (wild_compare(str,wildstr) == 0) DBUG_RETURN (0);
+      } while (*str++ && wildstr[0] != wild_many);
+      DBUG_RETURN(1);
+    }
+  }
+  DBUG_RETURN (*str != '\0');
+} /* wild_compare */