Date: Wed, 17 Sep 2008 06:32:56 -0700 (PDT) From: Unga <unga888@yahoo.com> To: Giorgos Keramidas <keramida@ceid.upatras.gr> Cc: freebsd-questions@freebsd.org Subject: Re: How to split a C string by a string? Message-ID: <417898.61773.qm@web57005.mail.re3.yahoo.com> In-Reply-To: <87wshboz40.fsf@kobe.laptop>
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--- On Wed, 9/17/08, Giorgos Keramidas <keramida@ceid.upatras.gr> wrote:
> From: Giorgos Keramidas <keramida@ceid.upatras.gr>
> Subject: Re: How to split a C string by a string?
> To: unga888@yahoo.com
> Cc: freebsd-questions@freebsd.org
> Date: Wednesday, September 17, 2008, 6:17 PM
> On Wed, 17 Sep 2008 00:45:46 -0700 (PDT), Unga
> <unga888@yahoo.com> wrote:
> > Hi all
> >
> > I'm writing an C application on FreeBSD 7+. I need
> to split a string
> > by another string (ie. the delimiter is
> "xxx") similar to strtok split
> > a string by a single char. Is there a standard
> function or is there a
> > FreeBSD functions for this?
>
> You can use strstr() to look for the "xxx"
> delimited and split that that
> point:
>
> % cat -n foo.c
> 1 #include <stdio.h>
> 2 #include <string.h>
> 3
> 4 int
> 5 main(void)
> 6 {
> 7 char text[] = "Hello string
> world";
> 8 char delim[] = " string ";
> 9 size_t dlen = sizeof(delim) /
> sizeof(delim[0]) - 1;
> 10 char *p;
> 11
> 12 p = strstr(text, delim);
> 13 if (p == NULL)
> 14 return 0; /* No
> match */
> 15
> 16 printf("First part =
> \"%.*s\"\n", p - text, text);
> 17 printf("Second part =
> \"%s\"\n", p + dlen);
> 18 return 0;
> 19 }
> % cc -std=iso9899:1990 -O2 -Wall foo.c
> % ./a.out
> First part = "Hello"
> Second part = "world"
> %
Thank you very much for the reply. That is, there is no existing split function. So I got to write to my own :)
Best regards
Unga
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