diff options
Diffstat (limited to 'sql/sql_string.cc')
| -rw-r--r-- | sql/sql_string.cc | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/sql/sql_string.cc b/sql/sql_string.cc index 34b310931d6..1dd7b55d136 100644 --- a/sql/sql_string.cc +++ b/sql/sql_string.cc @@ -71,25 +71,22 @@ bool String::realloc(uint32 alloc_length) char *new_ptr; if (alloced) { - if ((new_ptr= (char*) my_realloc(Ptr,len,MYF(MY_WME)))) - { - Ptr=new_ptr; - Alloced_length=len; - } - else - return TRUE; // Signal error + if (!(new_ptr= (char*) my_realloc(Ptr,len,MYF(MY_WME)))) + return TRUE; // Signal error } else if ((new_ptr= (char*) my_malloc(len,MYF(MY_WME)))) { + if (str_length > len - 1) + str_length= 0; if (str_length) // Avoid bugs in memcpy on AIX memcpy(new_ptr,Ptr,str_length); new_ptr[str_length]=0; - Ptr=new_ptr; - Alloced_length=len; alloced=1; } else return TRUE; // Signal error + Ptr= new_ptr; + Alloced_length= len; } Ptr[alloc_length]=0; // This make other funcs shorter return FALSE; @@ -115,7 +112,7 @@ bool String::set_real(double num,uint decimals, CHARSET_INFO *cs) str_charset=cs; if (decimals >= NOT_FIXED_DEC) { - uint32 len= my_sprintf(buff,(buff, "%.14g",num));// Enough for a DATETIME + uint32 len= my_sprintf(buff,(buff, "%.15g",num));// Enough for a DATETIME return copy(buff, len, &my_charset_latin1, cs, &dummy_errors); } #ifdef HAVE_FCONVERT @@ -458,7 +455,7 @@ bool String::append(const char *s,uint32 arg_length) bool String::append(const char *s) { - return append(s, strlen(s)); + return append(s, (uint) strlen(s)); } @@ -667,7 +664,7 @@ void String::qs_append(const char *str, uint32 len) void String::qs_append(double d) { char *buff = Ptr + str_length; - str_length+= my_sprintf(buff, (buff, "%.14g", d)); + str_length+= my_sprintf(buff, (buff, "%.15g", d)); } void String::qs_append(double *d) @@ -1051,7 +1048,7 @@ outp: } } *from_end_pos= from; - res= to - to_start; + res= (uint) (to - to_start); } return (uint32) res; } |