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Bug #5911 ANSI C violation: lvalues are not assignable
Submitted: 2000-08-01 23:20 UTC Modified: 2000-08-04 20:51 UTC
From: emschwar at rmi dot net Assigned: rubys (profile)
Status: Closed Package: Compile Failure
PHP Version: 4.0.1 OS: Solaris 2.7
Private report: No CVE-ID: None
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 [2000-08-01 23:20 UTC] emschwar at rmi dot net 
In java.c, in the latest PHP 4.01pl2 source, there are several lines of the form:

(pval*)(long)result = object;

One example is on line 349.

This is a violation of the ANSI C standard, which explicitly
states, in section A7.5 (Casts),

"An expression with a cast is not an lvalue."

This fails on Solaris 2.7, and my brother has reported seeing it on AIX as well (though I don't know the version).

The fix is simple: cast object, not result:

result = (jlong)object;

This bug is on lines 349, 370 and 406.

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 [2000-08-04 02:30 UTC] rubys@php.net 
I've verified that the suggested fix works on Windows, once I verify that it works on Linux, I'll commit it.
 [2000-08-04 20:51 UTC] rubys@php.net 
Fixed - Thanks!

Note: in order to compile without warning on gcc, I had to change the code to do the following:

  result = (jlong)(long)object;
 
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