Re: diversion failure [was: snapshot in preparation for m4 1.4.12]

[Eric Blake]

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[re-adding gnulib]

According to Alain Guibert on 8/11/2008 3:16 PM:
| Hello Eric, thanks for your support,
|
|  On Monday, August 11, 2008 at 7:00:34 -0600, Eric Blake wrote:
|
|> platforms where fopen(file,"a+") opened at the end instead of the
|> beginning of the file
|
| Libc5 fopen(a+)s at the end of file, according to fopen(2) manpage, and
| confirmed by a quick test run.

Useful to know, and thankfully means that fopen was probably not the cause
of your bug.

|
| Running "/tmp/m4-1.4.11.34-9ecd/src/m4 in.m4" segfaults in vfprintf(),
| unless the in.m4 %d number is reduced below 1020.

The real problem thus seems to be that the gnulib xvasprintf-posix module
is not working around this bug in your *printf family of functions.  Could
you post config.log for more details on what ./configure determined about
printf?

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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