Messages in this thread |  | | Date | Sun, 18 Feb 2007 16:30:48 -0800 | From | "H. Peter Anvin" <> | Subject | Re: memparse(), simple_strtoul() prototypes... |
| |
Francis Moreau wrote: > Hi, > > I must miss something... > > Looking at these prototypes > > unsigned long simple_strtoul(const char *cp, char **endp,unsigned int base) > unsigned long long memparse (char *ptr, char **retptr) > > I'm really wondering why not all parameters are not all 'const'. None > of these functions modify any pointer containts. And simple_strtoul() > ends up doing sometghing like: > > if (endp) > *endp = (char *)cp; > > Could anyone shed some light ?
The C standard behaves like that, too, mostly because C doesn't have a way to say "X is const iff Y is const" (unlike C++, btw.)
-hpa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |