Re: libc6 bug or stupid programmer

[Roman Hodek <rnhodek@faui22c.informatik.uni-erlangen.de>]

> The following segfaults under libc6, works fine under libc5:
> 
> main() {
> 	strtok("test","z");
> }
> 
> Is this a bug in strtok or is that really an invalid way to call strtok?

The call is invalid. strtok() modifies the string that is its first
argument (it puts '\0's into it to split it), but string constants are
in read-only memory. Use -fwriteable-strings (not very nice...), or:

main() {
    char *p = strup("test");
	strtok(p,"z");
}

Roman


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