1 files changed, 29 insertions, 19 deletions

diff --git a/mysys/string.c b/mysys/string.c
index 6dcb034531e..10a72b8a295 100644
--- a/mysys/string.c
+++ b/mysys/string.c
@@ -23,15 +23,15 @@
 #include <m_string.h>
 
 my_bool init_dynamic_string(DYNAMIC_STRING *str, const char *init_str,
-			    uint init_alloc, uint alloc_increment)
+			    size_t init_alloc, size_t alloc_increment)
 {
-  uint length;
+  size_t length;
   DBUG_ENTER("init_dynamic_string");
 
   if (!alloc_increment)
     alloc_increment=128;
   length=1;
-  if (init_str && (length= (uint) strlen(init_str)+1) < init_alloc)
+  if (init_str && (length= strlen(init_str)+1) < init_alloc)
     init_alloc=((length+alloc_increment-1)/alloc_increment)*alloc_increment;
   if (!init_alloc)
     init_alloc=alloc_increment;
@@ -72,7 +72,7 @@ my_bool dynstr_set(DYNAMIC_STRING *str, const char *init_str)
 }
 
 
-my_bool dynstr_realloc(DYNAMIC_STRING *str, ulong additional_size)
+my_bool dynstr_realloc(DYNAMIC_STRING *str, size_t additional_size)
 {
   DBUG_ENTER("dynstr_realloc");
 
@@ -95,12 +95,12 @@ my_bool dynstr_append(DYNAMIC_STRING *str, const char *append)
 
 
 my_bool dynstr_append_mem(DYNAMIC_STRING *str, const char *append,
-			  uint length)
+			  size_t length)
 {
   char *new_ptr;
   if (str->length+length >= str->max_length)
   {
-    uint new_length=(str->length+length+str->alloc_increment)/
+    size_t new_length=(str->length+length+str->alloc_increment)/
       str->alloc_increment;
     new_length*=str->alloc_increment;
     if (!(new_ptr=(char*) my_realloc(str->str,new_length,MYF(MY_WME))))
@@ -115,19 +115,29 @@ my_bool dynstr_append_mem(DYNAMIC_STRING *str, const char *append,
 }
 
 
-/** Concatenates any number of strings, escapes any OS quote in the result then
- * surround the whole affair in another set of quotes which is finally appended
- * to specified DYNAMIC_STRING.  This function is especially useful when 
- * building strings to be executed with the system() function.
- * @param str Dynamic String which will have addtional strings appended.
- * @param append String to be appended.
- * @param ... Optional. Additional string(s) to be appended.
- *
- * @note The final argument in the list must be NullS even if no additional
- * options are passed.
- *
- * @return True = Success.
- */
+my_bool dynstr_trunc(DYNAMIC_STRING *str, size_t n)
+{
+  str->length-=n;
+  str->str[str->length]= '\0';
+  return FALSE;
+}
+
+/*
+  Concatenates any number of strings, escapes any OS quote in the result then
+  surround the whole affair in another set of quotes which is finally appended
+  to specified DYNAMIC_STRING.  This function is especially useful when 
+  building strings to be executed with the system() function.
+
+  @param str Dynamic String which will have addtional strings appended.
+  @param append String to be appended.
+  @param ... Optional. Additional string(s) to be appended.
+
+  @note The final argument in the list must be NullS even if no additional
+  options are passed.
+
+  @return True = Success.
+*/
+
 my_bool dynstr_append_os_quoted(DYNAMIC_STRING *str, const char *append, ...)
 {
 #ifdef __WIN__