hi Bruno,
Le 23 févr. 2012 à 21:00, Bruno Haible a écrit :
>> I use STRNCMP_LIT defined in coreutils/src/system.h:
>>
>> /* Just like strncmp, but the second argument must be a literal string
>> and you don't specify the length. */
>> #define STRNCMP_LIT(s, literal) \
>> strncmp (s, "" literal "", sizeof (literal) - 1)
>
> This comment is not clear enough. If someone writes
> STRNCMP_LIT (s, "foobar")
> will it return true for s = "foobarbaz"? Will it return true for s = "foo"?
>
> How about reformulating the comment?
>
> /* STRNCMP_LIT(S, PREFIX) returns true if the string S starts with the
> prefix string PREFIX. PREFIX must be a literal string. */
There is no '== 0' in STRNCMP_LIT, you probably refer to another
macro, say
/* Whether Literal is a prefix of S. */
#define STRPREFIX_LIT(Literal, S) \
(STRNCMP_LIT (S, Literal) == 0)
