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libgen.h in Turb Linux 11.23


From: Ayad Jassim
Subject: libgen.h in Turb Linux 11.23
Date: Mon, 05 Mar 2001 15:17:14 +0000

On turbolinux 11.23 release I am having a 
problem with /usr/include/libgen.h header file.

Is this file part of our sgicc compiler?
It will help me to know how to inquire or file
a bug on the following issue:

Basicly, I have a c routine:

(Originally the code is much bigger than this.
 I reduced it to this small code in order to create 
 this error easily. This used to compile OK on versions
 prior to TurboLinux 11.23)
-------------------------------------------------------
#include <stdio.h>
#include <stdlib.h>

typedef struct
{
  char  *name, *basename;
} Patchlist;

#include <libgen.h>

void check_list( void)
{
  Patchlist *pl;
  printf( "Checking \"%s\" ... ",pl->basename);

}
----------------------------------------------------------------

With Turbo Linux 11.23 I get the following error:

sgicc -c foo.c

foo.c: In function `check_list':
foo.c:17: structure has no member named `__xpg_basename'

I noticed that if I move the line '#include <libgen.h>'
to above the definition of 'typedef struct ', then
the code compiles OK.

I checked on the difference between libgen.h in Turbolinux
11.23 versus for example our Nov02 cross compilers
and I can see what happened:

In Nov02, libgen.h had some XPG definitions as follows:

---------------------------------------------------
extern char *__xpg_basename __P ((char *__path));
#define basename(path)  __xpg_basename (path)
---------------------------------------------------

while in Turbolinux 11.23, this changed to

-----------------------------------------------------
extern char *__xpg_basename (char *__path) __THROW;
#define basename        __xpg_basename
-----------------------------------------------------

And you can see how the #define basename has now collided
with the user's 'basename' definition in the user coding
in struct Patchlist.


-- 
Ayad Jassim                      |     Tel UK-0850-353386 Mobile
Applications Engineering         |         UK-1189-257614 Office 
Silicon Graphics Inc.            |     Fax UK-1189-257505 Office
1530 Arlington Business Park,    |    email address@hidden
Theale, Reading, Berks RG7 4SB,UK|http://whitecity.reading/~ayad



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