Python strlen示例

示例#1

文件： tuple.py 项目： Jangzq/u-postgres-tool

 def __getaddlength(self, attrdef, offset):
     if attrdef.attlen > 0:
         return attrdef.attlen
     if attrdef.attlen == -1:
         return varattr.getvarsize(self.pagedata, offset)
     if attrdef.attlen == -2:
         return varattr.strlen(self.pagedata, offset)

示例#2

 def __getaddlength(self, attrdef, offset):
     if attrdef.attlen > 0:
         return attrdef.attlen
     if attrdef.attlen == -1:
         return varattr.getvarsize(self.pagedata, offset)
     if attrdef.attlen == -2:
         return varattr.strlen(self.pagedata, offset)

示例#3

def nameout(data, off, len):
    varlen = varattr.strlen(data, off, off + len)
    return ctypes.string_at(ctypes.byref(data, off), varlen)

示例#4

文件： attrtype.py 项目： Jangzq/u-postgres-tool

def nameout(data, off, len):
    varlen = varattr.strlen(data, off, off+len)
    return ctypes.string_at(ctypes.byref(data, off), varlen)