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Date: Fri, 01 Jul 2005 08:45:00 -0000
From: Etienne Lorrain <etienne_lorrain@yahoo.fr>
Subject: sizeof() function parameter array: known problem?
To: gcc@gcc.gnu.org
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  The result of this funtion is 1, is there a C lawyer around?

$ cat tmp.c
unsigned fct (unsigned array[10])
{
        return sizeof(array) / sizeof(array[0]);
}
$ gcc -v
Reading specs from /usr/lib/gcc/i386-redhat-linux/3.4.2/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --enable-shared --enable-threads=posix
--disable-checking --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-java-awt=gtk
--host=i386-redhat-linux
Thread model: posix
gcc version 3.4.2 20041017 (Red Hat 3.4.2-6.fc3)
$ gcc -S -o tmp.s tmp.c
$ cat tmp.s
        .file   "tmp.c"
        .text
.globl fct
        .type   fct, @function
fct:
        pushl   %ebp
        movl    %esp, %ebp
        movl    $1, %eax
        leave
        ret
        .size   fct, .-fct
        .section        .note.GNU-stack,"",@progbits
        .ident  "GCC: (GNU) 3.4.2 20041017 (Red Hat 3.4.2-6.fc3)"
$

  Etienne.


	

	
		
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