Hi наб,
On 1/25/22 00:27, Alejandro Colomar (man-pages) wrote:
> Hi, наб!
>
> On 1/24/22 23:43, наб wrote:
>> Each time I use strsep I want something like this;
>> this serves to snappily highlight the programming model,
>> esp. in contrast to strtok_r ‒ I elided the long
>> (and, frankly, gratuitous, even there) argv explanation
>> ‒ if you need it, you can read the original
>> (or the usage string, or the seven-line main)
>>
>> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@xxxxxxxxxxxxxxxxxx>
>> ---
I applied this patch and all of the other patches you sent in the past 2
days (5 patches in total).
Thanks,
Alex
> All of the other patches look good to me.
> This one I haven't reviewed it yet.
> I'll probably apply them all tomorrow.
>
>> v2: I accidentally a word in "multiple delimiters or empty tokens"
>
> It made me laugh :p
>
> Thanks,
>
> Alex
>
>>
>> man3/strsep.3 | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
>> 1 file changed, 50 insertions(+)
>>
>> diff --git a/man3/strsep.3 b/man3/strsep.3
>> index fb5f7fd1a..3ce4fc35d 100644
>> --- a/man3/strsep.3
>> +++ b/man3/strsep.3
>> @@ -118,6 +118,56 @@ This function modifies its first argument.
>> This function cannot be used on constant strings.
>> .IP *
>> The identity of the delimiting character is lost.
>> +.SH EXAMPLES
>> +The program below is a port of the one found in
>> +.BR strtok (3),
>> +which, however, doesn't discard multiple delimiters or empty tokens:
>> +.PP
>> +.in +4n
>> +.EX
>> +.RB "$" " ./a.out \(aqa/bbb///cc;xxx:yyy:\(aq \(aq:;\(aq \(aq/\(aq"
>> +1: a/bbb///cc
>> + \-\-> a
>> + \-\-> bbb
>> + \-\->
>> + \-\->
>> + \-\-> cc
>> +2: xxx
>> + \-\-> xxx
>> +3: yyy
>> + \-\-> yyy
>> +4:
>> + \-\->
>> +.EE
>> +.in
>> +.SS Program source
>> +\&
>> +.EX
>> +#include <stdio.h>
>> +#include <stdlib.h>
>> +#include <string.h>
>> +
>> +int
>> +main(int argc, char *argv[])
>> +{
>> + char *token, *subtoken;
>> +
>> + if (argc != 4) {
>> + fprintf(stderr, "Usage: %s string delim subdelim\en",
>> + argv[0]);
>> + exit(EXIT_FAILURE);
>> + }
>> +
>> + for (int j = 1; (token = strsep(&argv[1], argv[2])); j++) {
>> + printf("%d: %s\en", j, token);
>> +
>> + while ((subtoken = strsep(&token, argv[3])))
>> + printf("\et \-\-> %s\en", subtoken);
>> + }
>> +
>> + exit(EXIT_SUCCESS);
>> +}
>> +.EE
>> .SH SEE ALSO
>> .BR index (3),
>> .BR memchr (3),
>
--
Alejandro Colomar
Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/
http://www.alejandro-colomar.es/
