segmentation fault only when in debug mode

[Fabien Wernli]

Hi,

I have a big problem useing gdb:

in a very simple (hello world style) program, where I just open a file
and the close it:

filename = fopen("toto.txt","r");
fclose(filename);

the program runs ok, doing nothing as expected.
But when using gdb, fopen() returns an address ONLY when file is toto.txt.
When I change it say to toto2.txt, it returns NO address and fclose makes
a segmentation fault....

gdb msg:

Program received signal SIGSEGV, Segmentation fault.
_IO_feof (fp=0x0) at feof.c:36
36      feof.c: Aucun fichier ou répertoire de ce type.

using gdb 4.18, or 5.0 same result

on an almost identical machine, it works....

please help

tnx a lot

greetings...
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