Re: valgrind warning

[Ben Pfaff]

John Darrington <address@hidden> writes:

> On Mon, Apr 03, 2006 at 12:41:04PM -0700, Ben Pfaff wrote:
>      I'm getting a new valgrind warning in fn_interp_vars():
>      
>      ==27225== Invalid read of size 1
>      ==27225==    at 0x80D3DA8: fn_interp_vars (filename.c:97)
>      ==27225==    by 0x80B5760: configure_driver_line (output.c:769)
>      ==27225==    by 0x80B5C9C: outp_read_devices (output.c:332)
>      ==27225==    by 0x80C5DAE: main (main.c:98)
>      ==27225==  Address 0x46C1C6C is 0 bytes after a block of size 76 alloc'd
>      ==27225==    at 0x401D41A: malloc (vg_replace_malloc.c:149)
>      ==27225==    by 0x80E52F1: xmalloc (xmalloc.c:49)
>      ==27225==    by 0x80D3D3A: fn_interp_vars (filename.c:85)
>      ==27225==    by 0x80B5760: configure_driver_line (output.c:769)
>      ==27225==    by 0x80B5C9C: outp_read_devices (output.c:332)
>      ==27225==    by 0x80C5DAE: main (main.c:98)
>      
>      Because of the location of the warning, I suspect it's
>      fn_interp_vars(), not the caller.
>
> Bizarre!  filename.c:97 is a blank line.

It's not in CVS version 1.5, the one where the error occurred:

          ds_clear(target);

          for (;;)
            {
====>         switch (*s)
                {
                case '\0':
                  goto done ;

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