[sr-dev] [tracker] Task opened: equals $null and 0 return the same

[sip-router]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Víctor Seva (linuxmaniac) 

Attached to Project - sip-router
Summary - equals $null and 0 return the same 
Task Type - Bug Report
Category - Core
Status - New
Assigned To - 
Operating System - All
Severity - Low
Priority - Normal
Reported Version - 4.0
Due in Version - Undecided
Due Date - Undecided
Details - <code>
request_route {
  $avp(x)=0;   
  if($avp(x)==$null) {
   xlog("L_INFO","$$avp(x)==$$null\n");     
  }
  else {
   xlog("L_INFO","$$avp(x)!=$$null\n");      
  }
  if(is_avp_set("$avp(x)")) {
   xlog("L_INFO","$$avp(x) is set\n");
  }
  else {
   xlog("L_INFO","$$avp(x) is not set\n");
  }
   
  $avp(y)=$null;
  if($avp(y)==0) {
   xlog("L_INFO","$$avp(y)==0\n");     
  }
  else {
   xlog("L_INFO","$$avp(y)!=0\n");
  }
  if(is_avp_set("$avp(y)")) {
   xlog("L_INFO","$$avp(y) is set\n");
  }
  else {
   xlog("L_INFO","$$avp(y) is not set\n");
  }
}
</code>

So $avp(x) is 0 and $avp(y) is not set

Output:
<code>
Oct 23 12:32:35 guest-945GCM-S2L kamailio[5991]: INFO: <script>: $avp(x)==$null
Oct 23 12:32:35 guest-945GCM-S2L kamailio[5991]: INFO: <script>: $avp(x) is set
Oct 23 12:32:35 guest-945GCM-S2L kamailio[5991]: INFO: <script>: $avp(y)==0
Oct 23 12:32:35 guest-945GCM-S2L kamailio[5991]: INFO: <script>: $avp(y) is not set
</code>

More information can be found at the following URL:
http://sip-router.org/tracker/index.php?do=details&task_id=358

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