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Bug #6942 php sockets unusable with irix-OS
Submitted: 2000-09-29 16:49 UTC Modified: 2002-06-16 08:24 UTC
From: melchers at cis dot fu-berlin dot de Assigned:
Status: Not a bug Package: Compile Warning
PHP Version: 3.0.16 OS: IRIX-6.5.8
Private report: No CVE-ID: None
 [2000-09-29 16:49 UTC] melchers at cis dot fu-berlin dot de
(using php-3.0.17RC1)
file functions/fsock.c line 677:

cc: WARNING File = functions/fsock.c, Line = 677
  An unsigned integer is being compared to zero.

size_t _php3_sock_fread(char *ptr, size_t size, int socket)
{
        size_t ret = 0;
        SOCK_FIND_AND_READ_MAX(size);
        
        if(size < 0) return ret;
                ^

irix defines these types:
typedef unsigned int size_t;
typedef int    ssize_t;
or
typedef unsigned long size_t;
typedef long    ssize_t;
(dependent of 32/64 bit interface)
In both cases size_t is unsigned.
Therefore the function _php3_sock_fread()
returns never 0, if there are no data
at the socket to read. This makes socket
communication unusable with irix.

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 [2002-06-16 08:24 UTC] sander@php.net
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